1 | !> @file bulk_cloud_model_mod.f90 |
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2 | !------------------------------------------------------------------------------! |
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3 | ! This file is part of the PALM model system. |
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4 | ! |
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5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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6 | ! terms of the GNU General Public License as published by the Free Software |
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7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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8 | ! version. |
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9 | ! |
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10 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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11 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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12 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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13 | ! |
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14 | ! You should have received a copy of the GNU General Public License along with |
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15 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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16 | ! |
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17 | ! Copyright 1997-2019 Leibniz Universitaet Hannover |
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18 | !------------------------------------------------------------------------------! |
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19 | ! |
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20 | ! Current revisions: |
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21 | ! ------------------ |
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22 | ! |
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23 | ! |
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24 | ! Former revisions: |
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25 | ! ----------------- |
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26 | ! $Id: bulk_cloud_model_mod.f90 3767 2019-02-27 08:18:02Z raasch $ |
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27 | ! unused variable for file index removed from rrd-subroutines parameter list |
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28 | ! |
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29 | ! 3724 2019-02-06 16:28:23Z kanani |
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30 | ! Correct double-used log_point_s unit |
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31 | ! |
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32 | ! 3700 2019-01-26 17:03:42Z knoop |
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33 | ! nopointer option removed |
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34 | ! |
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35 | ! 3622 2018-12-12 09:52:53Z schwenkel |
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36 | ! Important bugfix in case of restart runs. |
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37 | ! |
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38 | ! 3507 2018-11-08 14:28:46Z schwenkel |
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39 | ! Minor bugfixes for bcm cache version and initializing prr |
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40 | ! |
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41 | ! 3452 2018-10-30 13:13:34Z schwenkel |
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42 | ! Bugfix for profiles output |
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43 | ! |
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44 | ! 3445 2018-10-29 12:23:02Z schwenkel |
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45 | ! Minor bugfix and use of subroutine for supersaturation calculation in case |
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46 | ! of cache version |
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47 | ! |
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48 | ! 3383 2018-10-19 14:22:58Z knoop |
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49 | ! Modularization of all bulk cloud physics code components |
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50 | ! |
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51 | ! unused variables removed |
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52 | ! |
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53 | ! 3026 2018-05-22 10:30:53Z schwenkel |
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54 | ! Changed the name specific humidity to mixing ratio, since we are computing |
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55 | ! mixing ratios. |
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56 | ! |
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57 | ! 2718 2018-01-02 08:49:38Z maronga |
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58 | ! Corrected "Former revisions" section |
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59 | ! |
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60 | ! 2701 2017-12-15 15:40:50Z suehring |
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61 | ! Changes from last commit documented |
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62 | ! |
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63 | ! 2698 2017-12-14 18:46:24Z suehring |
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64 | ! Bugfix in get_topography_top_index |
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65 | ! |
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66 | ! 2696 2017-12-14 17:12:51Z kanani |
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67 | ! Change in file header (GPL part) |
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68 | ! |
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69 | ! 2608 2017-11-13 14:04:26Z schwenkel |
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70 | ! Calculation of supersaturation in external module (diagnostic_quantities_mod). |
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71 | ! Change: correct calculation of saturation specific humidity to saturation |
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72 | ! mixing ratio (the factor of 0.378 vanishes). |
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73 | ! |
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74 | ! 2522 2017-10-05 14:20:37Z schwenkel |
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75 | ! Minor bugfix |
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76 | ! |
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77 | ! 2375 2017-08-29 14:10:28Z schwenkel |
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78 | ! Improved aerosol initilization and some minor bugfixes |
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79 | ! for droplet sedimenation |
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80 | ! |
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81 | ! 2318 2017-07-20 17:27:44Z suehring |
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82 | ! Get topography top index via Function call |
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83 | ! |
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84 | ! 2317 2017-07-20 17:27:19Z suehring |
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85 | ! s1 changed to log_sigma |
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86 | ! |
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87 | ! 2292 2017-06-20 09:51:42Z schwenkel |
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88 | ! Implementation of new microphysic scheme: cloud_scheme = 'morrison' |
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89 | ! includes two more prognostic equations for cloud drop concentration (nc) |
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90 | ! and cloud water content (qc). |
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91 | ! - The process of activation is parameterized with a simple Twomey |
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92 | ! activion scheme or with considering solution and curvature |
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93 | ! effects (Khvorostyanov and Curry ,2006). |
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94 | ! - The saturation adjustment scheme is replaced by the parameterization |
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95 | ! of condensation rates (Khairoutdinov and Kogan, 2000, Mon. Wea. Rev.,128). |
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96 | ! - All other microphysical processes of Seifert and Beheng are used. |
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97 | ! Additionally, in those processes the reduction of cloud number concentration |
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98 | ! is considered. |
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99 | ! |
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100 | ! 2233 2017-05-30 18:08:54Z suehring |
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101 | ! |
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102 | ! 2232 2017-05-30 17:47:52Z suehring |
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103 | ! Adjustments to new topography and surface concept |
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104 | ! |
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105 | ! 2155 2017-02-21 09:57:40Z hoffmann |
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106 | ! Bugfix in the calculation of microphysical quantities on ghost points. |
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107 | ! |
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108 | ! 2031 2016-10-21 15:11:58Z knoop |
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109 | ! renamed variable rho to rho_ocean |
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110 | ! |
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111 | ! 2000 2016-08-20 18:09:15Z knoop |
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112 | ! Forced header and separation lines into 80 columns |
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113 | ! |
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114 | ! 1850 2016-04-08 13:29:27Z maronga |
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115 | ! Module renamed |
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116 | ! Adapted for modularization of microphysics. |
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117 | ! |
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118 | ! 1845 2016-04-08 08:29:13Z raasch |
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119 | ! nzb_2d replaced by nzb_s_inner, Kessler precipitation is stored at surface |
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120 | ! point (instead of one point above surface) |
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121 | ! |
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122 | ! 1831 2016-04-07 13:15:51Z hoffmann |
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123 | ! turbulence renamed collision_turbulence, |
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124 | ! drizzle renamed cloud_water_sedimentation. cloud_water_sedimentation also |
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125 | ! avaialble for microphysics_kessler. |
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126 | ! |
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127 | ! 1822 2016-04-07 07:49:42Z hoffmann |
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128 | ! Unused variables removed. |
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129 | ! Kessler scheme integrated. |
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130 | ! |
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131 | ! 1691 2015-10-26 16:17:44Z maronga |
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132 | ! Added new routine calc_precipitation_amount. The routine now allows to account |
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133 | ! for precipitation due to sedimenation of cloud (fog) droplets |
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134 | ! |
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135 | ! 1682 2015-10-07 23:56:08Z knoop |
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136 | ! Code annotations made doxygen readable |
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137 | ! |
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138 | ! 1646 2015-09-02 16:00:10Z hoffmann |
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139 | ! Bugfix: Wrong computation of d_mean. |
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140 | ! |
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141 | ! 1361 2014-04-16 15:17:48Z hoffmann |
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142 | ! Bugfix in sedimentation_rain: Index corrected. |
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143 | ! Vectorized version of adjust_cloud added. |
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144 | ! Little reformatting of the code. |
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145 | ! |
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146 | ! 1353 2014-04-08 15:21:23Z heinze |
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147 | ! REAL constants provided with KIND-attribute |
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148 | ! |
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149 | ! 1346 2014-03-27 13:18:20Z heinze |
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150 | ! Bugfix: REAL constants provided with KIND-attribute especially in call of |
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151 | ! intrinsic function like MAX, MIN, SIGN |
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152 | ! |
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153 | ! 1334 2014-03-25 12:21:40Z heinze |
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154 | ! Bugfix: REAL constants provided with KIND-attribute |
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155 | ! |
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156 | ! 1322 2014-03-20 16:38:49Z raasch |
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157 | ! REAL constants defined as wp-kind |
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158 | ! |
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159 | ! 1320 2014-03-20 08:40:49Z raasch |
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160 | ! ONLY-attribute added to USE-statements, |
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161 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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162 | ! kinds are defined in new module kinds, |
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163 | ! comment fields (!:) to be used for variable explanations added to |
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164 | ! all variable declaration statements |
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165 | ! |
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166 | ! 1241 2013-10-30 11:36:58Z heinze |
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167 | ! hyp and rho_ocean have to be calculated at each time step if data from external |
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168 | ! file LSF_DATA are used |
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169 | ! |
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170 | ! 1115 2013-03-26 18:16:16Z hoffmann |
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171 | ! microphyical tendencies are calculated in bcm_actions in an optimized |
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172 | ! way; unrealistic values are prevented; bugfix in evaporation; some reformatting |
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173 | ! |
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174 | ! 1106 2013-03-04 05:31:38Z raasch |
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175 | ! small changes in code formatting |
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176 | ! |
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177 | ! 1092 2013-02-02 11:24:22Z raasch |
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178 | ! unused variables removed |
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179 | ! file put under GPL |
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180 | ! |
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181 | ! 1065 2012-11-22 17:42:36Z hoffmann |
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182 | ! Sedimentation process implemented according to Stevens and Seifert (2008). |
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183 | ! Turbulence effects on autoconversion and accretion added (Seifert, Nuijens |
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184 | ! and Stevens, 2010). |
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185 | ! |
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186 | ! 1053 2012-11-13 17:11:03Z hoffmann |
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187 | ! initial revision |
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188 | ! |
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189 | ! Description: |
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190 | ! ------------ |
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191 | !> Calculate bulk cloud microphysics. |
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192 | !------------------------------------------------------------------------------! |
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193 | MODULE bulk_cloud_model_mod |
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194 | |
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195 | USE arrays_3d, & |
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196 | ONLY: ddzu, diss, dzu, dzw, hyp, hyrho, & |
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197 | nc, nc_1, nc_2, nc_3, nc_p, nr, nr_1, nr_2, nr_3, nr_p, & |
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198 | precipitation_amount, prr, pt, d_exner, pt_init, q, ql, ql_1, & |
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199 | qc, qc_1, qc_2, qc_3, qc_p, qr, qr_1, qr_2, qr_3, qr_p, & |
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200 | exner, zu, tnc_m, tnr_m, tqc_m, tqr_m |
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201 | |
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202 | USE averaging, & |
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203 | ONLY: nc_av, nr_av, prr_av, qc_av, ql_av, qr_av |
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204 | |
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205 | USE basic_constants_and_equations_mod, & |
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206 | ONLY: c_p, g, lv_d_cp, lv_d_rd, l_v, magnus, molecular_weight_of_solute,& |
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207 | molecular_weight_of_water, pi, rho_l, rho_s, r_d, r_v, vanthoff,& |
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208 | exner_function, exner_function_invers, ideal_gas_law_rho, & |
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209 | ideal_gas_law_rho_pt, barometric_formula, rd_d_rv |
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210 | |
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211 | USE control_parameters, & |
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212 | ONLY: dt_3d, dt_do2d_xy, intermediate_timestep_count, & |
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213 | intermediate_timestep_count_max, large_scale_forcing, & |
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214 | lsf_surf, pt_surface, rho_surface, surface_pressure, & |
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215 | time_do2d_xy, message_string, initializing_actions |
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216 | |
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217 | USE cpulog, & |
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218 | ONLY: cpu_log, log_point_s |
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219 | |
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220 | USE grid_variables, & |
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221 | ONLY: dx, dy |
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222 | |
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223 | USE indices, & |
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224 | ONLY: nxl, nxlg, nxr, nxrg, nys, nysg, nyn, nyng, nzb, nzt, & |
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225 | wall_flags_0 |
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226 | |
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227 | USE kinds |
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228 | |
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229 | USE statistics, & |
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230 | ONLY: weight_pres, weight_substep |
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231 | |
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232 | USE surface_mod, & |
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233 | ONLY : bc_h, get_topography_top_index_ji, surf_bulk_cloud_model, & |
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234 | surf_microphysics_morrison, surf_microphysics_seifert |
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235 | |
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236 | IMPLICIT NONE |
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237 | |
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238 | CHARACTER (LEN=20) :: aerosol_bulk = 'nacl' !< namelist parameter |
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239 | CHARACTER (LEN=20) :: cloud_scheme = 'saturation_adjust' !< namelist parameter |
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240 | |
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241 | LOGICAL :: aerosol_nacl =.TRUE. !< nacl aerosol for bulk scheme |
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242 | LOGICAL :: aerosol_c3h4o4 =.FALSE. !< malonic acid aerosol for bulk scheme |
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243 | LOGICAL :: aerosol_nh4no3 =.FALSE. !< malonic acid aerosol for bulk scheme |
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244 | |
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245 | LOGICAL :: bulk_cloud_model = .FALSE. !< namelist parameter |
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246 | |
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247 | LOGICAL :: cloud_water_sedimentation = .FALSE. !< cloud water sedimentation |
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248 | LOGICAL :: curvature_solution_effects_bulk = .FALSE. !< flag for considering koehler theory |
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249 | LOGICAL :: limiter_sedimentation = .TRUE. !< sedimentation limiter |
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250 | LOGICAL :: collision_turbulence = .FALSE. !< turbulence effects |
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251 | LOGICAL :: ventilation_effect = .TRUE. !< ventilation effect |
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252 | |
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253 | LOGICAL :: call_microphysics_at_all_substeps = .FALSE. !< namelist parameter |
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254 | LOGICAL :: microphysics_sat_adjust = .FALSE. !< use saturation adjust bulk scheme? |
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255 | LOGICAL :: microphysics_kessler = .FALSE. !< use kessler bulk scheme? |
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256 | LOGICAL :: microphysics_morrison = .FALSE. !< use 2-moment Morrison (add. prog. eq. for nc and qc) |
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257 | LOGICAL :: microphysics_seifert = .FALSE. !< use 2-moment Seifert and Beheng scheme |
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258 | LOGICAL :: precipitation = .FALSE. !< namelist parameter |
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259 | |
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260 | REAL(wp) :: precipitation_amount_interval = 9999999.9_wp !< namelist parameter |
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261 | |
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262 | REAL(wp) :: a_1 = 8.69E-4_wp !< coef. in turb. parametrization (cm-2 s3) |
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263 | REAL(wp) :: a_2 = -7.38E-5_wp !< coef. in turb. parametrization (cm-2 s3) |
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264 | REAL(wp) :: a_3 = -1.40E-2_wp !< coef. in turb. parametrization |
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265 | REAL(wp) :: a_term = 9.65_wp !< coef. for terminal velocity (m s-1) |
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266 | REAL(wp) :: a_vent = 0.78_wp !< coef. for ventilation effect |
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267 | REAL(wp) :: b_1 = 11.45E-6_wp !< coef. in turb. parametrization (m) |
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268 | REAL(wp) :: b_2 = 9.68E-6_wp !< coef. in turb. parametrization (m) |
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269 | REAL(wp) :: b_3 = 0.62_wp !< coef. in turb. parametrization |
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270 | REAL(wp) :: b_term = 9.8_wp !< coef. for terminal velocity (m s-1) |
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271 | REAL(wp) :: b_vent = 0.308_wp !< coef. for ventilation effect |
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272 | REAL(wp) :: beta_cc = 3.09E-4_wp !< coef. in turb. parametrization (cm-2 s3) |
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273 | REAL(wp) :: c_1 = 4.82E-6_wp !< coef. in turb. parametrization (m) |
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274 | REAL(wp) :: c_2 = 4.8E-6_wp !< coef. in turb. parametrization (m) |
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275 | REAL(wp) :: c_3 = 0.76_wp !< coef. in turb. parametrization |
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276 | REAL(wp) :: c_const = 0.93_wp !< const. in Taylor-microscale Reynolds number |
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277 | REAL(wp) :: c_evap = 0.7_wp !< constant in evaporation |
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278 | REAL(wp) :: c_term = 600.0_wp !< coef. for terminal velocity (m-1) |
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279 | REAL(wp) :: diff_coeff_l = 0.23E-4_wp !< diffusivity of water vapor (m2 s-1) |
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280 | REAL(wp) :: eps_sb = 1.0E-10_wp !< threshold in two-moments scheme |
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281 | REAL(wp) :: eps_mr = 0.0_wp !< threshold for morrison scheme |
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282 | REAL(wp) :: k_cc = 9.44E09_wp !< const. cloud-cloud kernel (m3 kg-2 s-1) |
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283 | REAL(wp) :: k_cr0 = 4.33_wp !< const. cloud-rain kernel (m3 kg-1 s-1) |
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284 | REAL(wp) :: k_rr = 7.12_wp !< const. rain-rain kernel (m3 kg-1 s-1) |
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285 | REAL(wp) :: k_br = 1000.0_wp !< const. in breakup parametrization (m-1) |
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286 | REAL(wp) :: k_st = 1.2E8_wp !< const. in drizzle parametrization (m-1 s-1) |
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287 | REAL(wp) :: kin_vis_air = 1.4086E-5_wp !< kin. viscosity of air (m2 s-1) |
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288 | REAL(wp) :: prec_time_const = 0.001_wp !< coef. in Kessler scheme (s-1) |
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289 | REAL(wp) :: ql_crit = 0.0005_wp !< coef. in Kessler scheme (kg kg-1) |
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290 | REAL(wp) :: schmidt_p_1d3=0.8921121_wp !< Schmidt number**0.33333, 0.71**0.33333 |
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291 | REAL(wp) :: sigma_gc = 1.3_wp !< geometric standard deviation cloud droplets |
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292 | REAL(wp) :: thermal_conductivity_l = 2.43E-2_wp !< therm. cond. air (J m-1 s-1 K-1) |
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293 | REAL(wp) :: w_precipitation = 9.65_wp !< maximum terminal velocity (m s-1) |
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294 | REAL(wp) :: x0 = 2.6E-10_wp !< separating drop mass (kg) |
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295 | REAL(wp) :: xamin = 5.24E-19_wp !< average aerosol mass (kg) (~ 0.05µm) |
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296 | REAL(wp) :: xcmin = 4.18E-15_wp !< minimum cloud drop size (kg) (~ 1µm) |
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297 | REAL(wp) :: xrmin = 2.6E-10_wp !< minimum rain drop size (kg) |
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298 | REAL(wp) :: xrmax = 5.0E-6_wp !< maximum rain drop site (kg) |
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299 | |
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300 | REAL(wp) :: c_sedimentation = 2.0_wp !< Courant number of sedimentation process |
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301 | REAL(wp) :: dpirho_l !< 6.0 / ( pi * rho_l ) |
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302 | REAL(wp) :: dry_aerosol_radius = 0.05E-6_wp !< dry aerosol radius |
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303 | REAL(wp) :: dt_micro !< microphysics time step |
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304 | REAL(wp) :: sigma_bulk = 2.0_wp !< width of aerosol spectrum |
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305 | REAL(wp) :: na_init = 100.0E6_wp !< Total particle/aerosol concentration (cm-3) |
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306 | REAL(wp) :: nc_const = 70.0E6_wp !< cloud droplet concentration |
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307 | REAL(wp) :: dt_precipitation = 100.0_wp !< timestep precipitation (s) |
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308 | REAL(wp) :: sed_qc_const !< const. for sedimentation of cloud water |
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309 | REAL(wp) :: pirho_l !< pi * rho_l / 6.0; |
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310 | |
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311 | REAL(wp) :: e_s !< saturation water vapor pressure |
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312 | REAL(wp) :: q_s !< saturation mixing ratio |
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313 | REAL(wp) :: sat !< supersaturation |
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314 | REAL(wp) :: t_l !< actual temperature |
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315 | |
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316 | SAVE |
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317 | |
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318 | PRIVATE |
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319 | |
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320 | PUBLIC bcm_parin, & |
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321 | bcm_check_parameters, & |
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322 | bcm_check_data_output, & |
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323 | bcm_check_data_output_pr, & |
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324 | bcm_header, & |
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325 | bcm_init_arrays, & |
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326 | bcm_init, & |
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327 | bcm_3d_data_averaging, & |
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328 | bcm_data_output_2d, & |
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329 | bcm_data_output_3d, & |
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330 | bcm_swap_timelevel, & |
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331 | bcm_rrd_global, & |
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332 | bcm_rrd_local, & |
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333 | bcm_wrd_global, & |
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334 | bcm_wrd_local, & |
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335 | bcm_actions, & |
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336 | calc_liquid_water_content |
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337 | |
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338 | PUBLIC call_microphysics_at_all_substeps, & |
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339 | cloud_water_sedimentation, & |
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340 | bulk_cloud_model, & |
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341 | cloud_scheme, & |
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342 | collision_turbulence, & |
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343 | dt_precipitation, & |
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344 | microphysics_morrison, & |
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345 | microphysics_sat_adjust, & |
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346 | microphysics_seifert, & |
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347 | na_init, & |
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348 | nc_const, & |
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349 | precipitation, & |
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350 | sigma_gc |
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351 | |
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352 | |
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353 | INTERFACE bcm_parin |
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354 | MODULE PROCEDURE bcm_parin |
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355 | END INTERFACE bcm_parin |
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356 | |
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357 | INTERFACE bcm_check_parameters |
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358 | MODULE PROCEDURE bcm_check_parameters |
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359 | END INTERFACE bcm_check_parameters |
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360 | |
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361 | INTERFACE bcm_check_data_output |
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362 | MODULE PROCEDURE bcm_check_data_output |
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363 | END INTERFACE bcm_check_data_output |
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364 | |
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365 | INTERFACE bcm_check_data_output_pr |
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366 | MODULE PROCEDURE bcm_check_data_output_pr |
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367 | END INTERFACE bcm_check_data_output_pr |
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368 | |
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369 | INTERFACE bcm_header |
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370 | MODULE PROCEDURE bcm_header |
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371 | END INTERFACE bcm_header |
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372 | |
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373 | INTERFACE bcm_init_arrays |
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374 | MODULE PROCEDURE bcm_init_arrays |
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375 | END INTERFACE bcm_init_arrays |
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376 | |
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377 | INTERFACE bcm_init |
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378 | MODULE PROCEDURE bcm_init |
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379 | END INTERFACE bcm_init |
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380 | |
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381 | INTERFACE bcm_3d_data_averaging |
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382 | MODULE PROCEDURE bcm_3d_data_averaging |
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383 | END INTERFACE bcm_3d_data_averaging |
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384 | |
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385 | INTERFACE bcm_data_output_2d |
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386 | MODULE PROCEDURE bcm_data_output_2d |
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387 | END INTERFACE bcm_data_output_2d |
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388 | |
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389 | INTERFACE bcm_data_output_3d |
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390 | MODULE PROCEDURE bcm_data_output_3d |
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391 | END INTERFACE bcm_data_output_3d |
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392 | |
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393 | INTERFACE bcm_swap_timelevel |
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394 | MODULE PROCEDURE bcm_swap_timelevel |
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395 | END INTERFACE bcm_swap_timelevel |
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396 | |
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397 | INTERFACE bcm_rrd_global |
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398 | MODULE PROCEDURE bcm_rrd_global |
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399 | END INTERFACE bcm_rrd_global |
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400 | |
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401 | INTERFACE bcm_rrd_local |
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402 | MODULE PROCEDURE bcm_rrd_local |
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403 | END INTERFACE bcm_rrd_local |
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404 | |
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405 | INTERFACE bcm_wrd_global |
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406 | MODULE PROCEDURE bcm_wrd_global |
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407 | END INTERFACE bcm_wrd_global |
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408 | |
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409 | INTERFACE bcm_wrd_local |
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410 | MODULE PROCEDURE bcm_wrd_local |
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411 | END INTERFACE bcm_wrd_local |
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412 | |
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413 | INTERFACE bcm_actions |
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414 | MODULE PROCEDURE bcm_actions |
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415 | MODULE PROCEDURE bcm_actions_ij |
---|
416 | END INTERFACE bcm_actions |
---|
417 | |
---|
418 | INTERFACE adjust_cloud |
---|
419 | MODULE PROCEDURE adjust_cloud |
---|
420 | MODULE PROCEDURE adjust_cloud_ij |
---|
421 | END INTERFACE adjust_cloud |
---|
422 | |
---|
423 | INTERFACE activation |
---|
424 | MODULE PROCEDURE activation |
---|
425 | MODULE PROCEDURE activation_ij |
---|
426 | END INTERFACE activation |
---|
427 | |
---|
428 | INTERFACE condensation |
---|
429 | MODULE PROCEDURE condensation |
---|
430 | MODULE PROCEDURE condensation_ij |
---|
431 | END INTERFACE condensation |
---|
432 | |
---|
433 | INTERFACE autoconversion |
---|
434 | MODULE PROCEDURE autoconversion |
---|
435 | MODULE PROCEDURE autoconversion_ij |
---|
436 | END INTERFACE autoconversion |
---|
437 | |
---|
438 | INTERFACE autoconversion_kessler |
---|
439 | MODULE PROCEDURE autoconversion_kessler |
---|
440 | MODULE PROCEDURE autoconversion_kessler_ij |
---|
441 | END INTERFACE autoconversion_kessler |
---|
442 | |
---|
443 | INTERFACE accretion |
---|
444 | MODULE PROCEDURE accretion |
---|
445 | MODULE PROCEDURE accretion_ij |
---|
446 | END INTERFACE accretion |
---|
447 | |
---|
448 | INTERFACE selfcollection_breakup |
---|
449 | MODULE PROCEDURE selfcollection_breakup |
---|
450 | MODULE PROCEDURE selfcollection_breakup_ij |
---|
451 | END INTERFACE selfcollection_breakup |
---|
452 | |
---|
453 | INTERFACE evaporation_rain |
---|
454 | MODULE PROCEDURE evaporation_rain |
---|
455 | MODULE PROCEDURE evaporation_rain_ij |
---|
456 | END INTERFACE evaporation_rain |
---|
457 | |
---|
458 | INTERFACE sedimentation_cloud |
---|
459 | MODULE PROCEDURE sedimentation_cloud |
---|
460 | MODULE PROCEDURE sedimentation_cloud_ij |
---|
461 | END INTERFACE sedimentation_cloud |
---|
462 | |
---|
463 | INTERFACE sedimentation_rain |
---|
464 | MODULE PROCEDURE sedimentation_rain |
---|
465 | MODULE PROCEDURE sedimentation_rain_ij |
---|
466 | END INTERFACE sedimentation_rain |
---|
467 | |
---|
468 | INTERFACE calc_precipitation_amount |
---|
469 | MODULE PROCEDURE calc_precipitation_amount |
---|
470 | MODULE PROCEDURE calc_precipitation_amount_ij |
---|
471 | END INTERFACE calc_precipitation_amount |
---|
472 | |
---|
473 | INTERFACE supersaturation |
---|
474 | MODULE PROCEDURE supersaturation |
---|
475 | END INTERFACE supersaturation |
---|
476 | |
---|
477 | INTERFACE calc_liquid_water_content |
---|
478 | MODULE PROCEDURE calc_liquid_water_content |
---|
479 | END INTERFACE calc_liquid_water_content |
---|
480 | |
---|
481 | CONTAINS |
---|
482 | |
---|
483 | |
---|
484 | !------------------------------------------------------------------------------! |
---|
485 | ! Description: |
---|
486 | ! ------------ |
---|
487 | !> Parin for &bulk_cloud_parameters for the bulk cloud module |
---|
488 | !------------------------------------------------------------------------------! |
---|
489 | SUBROUTINE bcm_parin |
---|
490 | |
---|
491 | |
---|
492 | IMPLICIT NONE |
---|
493 | |
---|
494 | CHARACTER (LEN=80) :: line !< dummy string that contains the current line of the parameter file |
---|
495 | |
---|
496 | NAMELIST /bulk_cloud_parameters/ & |
---|
497 | aerosol_bulk, & |
---|
498 | c_sedimentation, & |
---|
499 | call_microphysics_at_all_substeps, & |
---|
500 | bulk_cloud_model, & |
---|
501 | cloud_scheme, & |
---|
502 | cloud_water_sedimentation, & |
---|
503 | collision_turbulence, & |
---|
504 | curvature_solution_effects_bulk, & |
---|
505 | dry_aerosol_radius, & |
---|
506 | limiter_sedimentation, & |
---|
507 | na_init, & |
---|
508 | nc_const, & |
---|
509 | precipitation, & |
---|
510 | precipitation_amount_interval, & |
---|
511 | sigma_bulk, & |
---|
512 | ventilation_effect |
---|
513 | |
---|
514 | line = ' ' |
---|
515 | ! |
---|
516 | !-- Try to find bulk cloud module namelist |
---|
517 | REWIND ( 11 ) |
---|
518 | line = ' ' |
---|
519 | DO WHILE ( INDEX( line, '&bulk_cloud_parameters' ) == 0 ) |
---|
520 | READ ( 11, '(A)', END=10 ) line |
---|
521 | ENDDO |
---|
522 | BACKSPACE ( 11 ) |
---|
523 | ! |
---|
524 | !-- Read user-defined namelist |
---|
525 | READ ( 11, bulk_cloud_parameters ) |
---|
526 | ! |
---|
527 | !-- Set flag that indicates that the bulk cloud module is switched on |
---|
528 | !bulk_cloud_model = .TRUE. |
---|
529 | |
---|
530 | 10 CONTINUE |
---|
531 | |
---|
532 | |
---|
533 | END SUBROUTINE bcm_parin |
---|
534 | |
---|
535 | |
---|
536 | !------------------------------------------------------------------------------! |
---|
537 | ! Description: |
---|
538 | ! ------------ |
---|
539 | !> Check parameters routine for bulk cloud module |
---|
540 | !------------------------------------------------------------------------------! |
---|
541 | SUBROUTINE bcm_check_parameters |
---|
542 | |
---|
543 | |
---|
544 | IMPLICIT NONE |
---|
545 | ! |
---|
546 | !-- Check cloud scheme |
---|
547 | IF ( cloud_scheme == 'saturation_adjust' ) THEN |
---|
548 | microphysics_sat_adjust = .TRUE. |
---|
549 | microphysics_seifert = .FALSE. |
---|
550 | microphysics_kessler = .FALSE. |
---|
551 | precipitation = .FALSE. |
---|
552 | ELSEIF ( cloud_scheme == 'seifert_beheng' ) THEN |
---|
553 | microphysics_sat_adjust = .FALSE. |
---|
554 | microphysics_seifert = .TRUE. |
---|
555 | microphysics_kessler = .FALSE. |
---|
556 | microphysics_morrison = .FALSE. |
---|
557 | precipitation = .TRUE. |
---|
558 | ELSEIF ( cloud_scheme == 'kessler' ) THEN |
---|
559 | microphysics_sat_adjust = .FALSE. |
---|
560 | microphysics_seifert = .FALSE. |
---|
561 | microphysics_kessler = .TRUE. |
---|
562 | microphysics_morrison = .FALSE. |
---|
563 | precipitation = .TRUE. |
---|
564 | ELSEIF ( cloud_scheme == 'morrison' ) THEN |
---|
565 | microphysics_sat_adjust = .FALSE. |
---|
566 | microphysics_seifert = .TRUE. |
---|
567 | microphysics_kessler = .FALSE. |
---|
568 | microphysics_morrison = .TRUE. |
---|
569 | precipitation = .TRUE. |
---|
570 | ELSE |
---|
571 | message_string = 'unknown cloud microphysics scheme cloud_scheme ="' // & |
---|
572 | TRIM( cloud_scheme ) // '"' |
---|
573 | CALL message( 'check_parameters', 'PA0357', 1, 2, 0, 6, 0 ) |
---|
574 | ENDIF |
---|
575 | |
---|
576 | |
---|
577 | |
---|
578 | ! |
---|
579 | !-- Set the default value for the integration interval of precipitation amount |
---|
580 | IF ( microphysics_seifert .OR. microphysics_kessler ) THEN |
---|
581 | IF ( precipitation_amount_interval == 9999999.9_wp ) THEN |
---|
582 | precipitation_amount_interval = dt_do2d_xy |
---|
583 | ELSE |
---|
584 | IF ( precipitation_amount_interval > dt_do2d_xy ) THEN |
---|
585 | WRITE( message_string, * ) 'precipitation_amount_interval = ', & |
---|
586 | precipitation_amount_interval, ' must not be larger than ', & |
---|
587 | 'dt_do2d_xy = ', dt_do2d_xy |
---|
588 | CALL message( 'check_parameters', 'PA0090', 1, 2, 0, 6, 0 ) |
---|
589 | ENDIF |
---|
590 | ENDIF |
---|
591 | ENDIF |
---|
592 | |
---|
593 | ! TODO: find better sollution for circular dependency problem |
---|
594 | surf_bulk_cloud_model = bulk_cloud_model |
---|
595 | surf_microphysics_morrison = microphysics_morrison |
---|
596 | surf_microphysics_seifert = microphysics_seifert |
---|
597 | |
---|
598 | ! |
---|
599 | !-- Check aerosol |
---|
600 | IF ( aerosol_bulk == 'nacl' ) THEN |
---|
601 | aerosol_nacl = .TRUE. |
---|
602 | aerosol_c3h4o4 = .FALSE. |
---|
603 | aerosol_nh4no3 = .FALSE. |
---|
604 | ELSEIF ( aerosol_bulk == 'c3h4o4' ) THEN |
---|
605 | aerosol_nacl = .FALSE. |
---|
606 | aerosol_c3h4o4 = .TRUE. |
---|
607 | aerosol_nh4no3 = .FALSE. |
---|
608 | ELSEIF ( aerosol_bulk == 'nh4no3' ) THEN |
---|
609 | aerosol_nacl = .FALSE. |
---|
610 | aerosol_c3h4o4 = .FALSE. |
---|
611 | aerosol_nh4no3 = .TRUE. |
---|
612 | ELSE |
---|
613 | message_string = 'unknown aerosol = "' // TRIM( aerosol_bulk ) // '"' |
---|
614 | CALL message( 'check_parameters', 'PA0469', 1, 2, 0, 6, 0 ) |
---|
615 | ENDIF |
---|
616 | |
---|
617 | |
---|
618 | END SUBROUTINE bcm_check_parameters |
---|
619 | |
---|
620 | !------------------------------------------------------------------------------! |
---|
621 | ! Description: |
---|
622 | ! ------------ |
---|
623 | !> Check data output for bulk cloud module |
---|
624 | !------------------------------------------------------------------------------! |
---|
625 | SUBROUTINE bcm_check_data_output( var, unit ) |
---|
626 | |
---|
627 | IMPLICIT NONE |
---|
628 | |
---|
629 | CHARACTER (LEN=*) :: unit !< |
---|
630 | CHARACTER (LEN=*) :: var !< |
---|
631 | |
---|
632 | SELECT CASE ( TRIM( var ) ) |
---|
633 | |
---|
634 | CASE ( 'nc' ) |
---|
635 | IF ( .NOT. microphysics_morrison ) THEN |
---|
636 | message_string = 'output of "' // TRIM( var ) // '" ' // & |
---|
637 | 'requires ' // & |
---|
638 | 'cloud_scheme = "morrison"' |
---|
639 | CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 ) |
---|
640 | ENDIF |
---|
641 | unit = '1/m3' |
---|
642 | |
---|
643 | CASE ( 'nr' ) |
---|
644 | IF ( .NOT. microphysics_seifert ) THEN |
---|
645 | message_string = 'output of "' // TRIM( var ) // '" ' // & |
---|
646 | 'requires ' // & |
---|
647 | 'cloud_scheme = "seifert_beheng"' |
---|
648 | CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 ) |
---|
649 | ENDIF |
---|
650 | unit = '1/m3' |
---|
651 | |
---|
652 | CASE ( 'prr' ) |
---|
653 | IF ( microphysics_sat_adjust ) THEN |
---|
654 | message_string = 'output of "' // TRIM( var ) // '" ' // & |
---|
655 | 'is not available for ' // & |
---|
656 | 'cloud_scheme = "saturation_adjust"' |
---|
657 | CALL message( 'check_parameters', 'PA0423', 1, 2, 0, 6, 0 ) |
---|
658 | ENDIF |
---|
659 | unit = 'kg/kg m/s' |
---|
660 | |
---|
661 | CASE ( 'qc' ) |
---|
662 | unit = 'kg/kg' |
---|
663 | |
---|
664 | CASE ( 'qr' ) |
---|
665 | IF ( .NOT. microphysics_seifert ) THEN |
---|
666 | message_string = 'output of "' // TRIM( var ) // '" ' // & |
---|
667 | 'requires ' // & |
---|
668 | 'cloud_scheme = "seifert_beheng"' |
---|
669 | CALL message( 'check_parameters', 'PA0359', 1, 2, 0, 6, 0 ) |
---|
670 | ENDIF |
---|
671 | unit = 'kg/kg' |
---|
672 | |
---|
673 | CASE ( 'pra*' ) |
---|
674 | IF ( .NOT. microphysics_kessler .AND. & |
---|
675 | .NOT. microphysics_seifert ) THEN |
---|
676 | message_string = 'output of "' // TRIM( var ) // '" ' // & |
---|
677 | 'requires ' // & |
---|
678 | 'cloud_scheme = "kessler" or "seifert_beheng"' |
---|
679 | CALL message( 'check_parameters', 'PA0112', 1, 2, 0, 6, 0 ) |
---|
680 | ENDIF |
---|
681 | ! TODO: find sollution (maybe connected to flow_statistics redesign?) |
---|
682 | ! IF ( j == 1 ) THEN |
---|
683 | ! message_string = 'temporal averaging of precipitation ' // & |
---|
684 | ! 'amount "' // TRIM( var ) // '" is not possible' |
---|
685 | ! CALL message( 'check_parameters', 'PA0113', 1, 2, 0, 6, 0 ) |
---|
686 | ! ENDIF |
---|
687 | unit = 'mm' |
---|
688 | |
---|
689 | CASE ( 'prr*' ) |
---|
690 | IF ( .NOT. microphysics_kessler .AND. & |
---|
691 | .NOT. microphysics_seifert ) THEN |
---|
692 | message_string = 'output of "' // TRIM( var ) // '"' // & |
---|
693 | ' requires' // & |
---|
694 | ' cloud_scheme = "kessler" or "seifert_beheng"' |
---|
695 | CALL message( 'check_parameters', 'PA0112', 1, 2, 0, 6, 0 ) |
---|
696 | ENDIF |
---|
697 | unit = 'mm/s' |
---|
698 | |
---|
699 | CASE DEFAULT |
---|
700 | unit = 'illegal' |
---|
701 | |
---|
702 | END SELECT |
---|
703 | |
---|
704 | |
---|
705 | END SUBROUTINE bcm_check_data_output |
---|
706 | |
---|
707 | |
---|
708 | !------------------------------------------------------------------------------! |
---|
709 | ! Description: |
---|
710 | ! ------------ |
---|
711 | !> Check data output of profiles for bulk cloud module |
---|
712 | !------------------------------------------------------------------------------! |
---|
713 | SUBROUTINE bcm_check_data_output_pr( variable, var_count, unit, dopr_unit ) |
---|
714 | |
---|
715 | USE arrays_3d, & |
---|
716 | ONLY: zu |
---|
717 | |
---|
718 | USE control_parameters, & |
---|
719 | ONLY: data_output_pr |
---|
720 | |
---|
721 | USE profil_parameter, & |
---|
722 | ONLY: dopr_index |
---|
723 | |
---|
724 | USE statistics, & |
---|
725 | ONLY: hom, statistic_regions, pr_palm |
---|
726 | |
---|
727 | IMPLICIT NONE |
---|
728 | |
---|
729 | CHARACTER (LEN=*) :: unit !< |
---|
730 | CHARACTER (LEN=*) :: variable !< |
---|
731 | CHARACTER (LEN=*) :: dopr_unit !< local value of dopr_unit |
---|
732 | |
---|
733 | INTEGER(iwp) :: var_count !< |
---|
734 | INTEGER(iwp) :: pr_index !< |
---|
735 | |
---|
736 | SELECT CASE ( TRIM( variable ) ) |
---|
737 | |
---|
738 | ! TODO: make index generic: pr_index = pr_palm+1 |
---|
739 | |
---|
740 | CASE ( 'nc' ) |
---|
741 | IF ( .NOT. microphysics_morrison ) THEN |
---|
742 | message_string = 'data_output_pr = ' // & |
---|
743 | TRIM( data_output_pr(var_count) ) // & |
---|
744 | ' is not implemented for' // & |
---|
745 | ' cloud_scheme /= morrison' |
---|
746 | CALL message( 'check_parameters', 'PA0358', 1, 2, 0, 6, 0 ) |
---|
747 | ENDIF |
---|
748 | pr_index = 123 |
---|
749 | dopr_index(var_count) = pr_index |
---|
750 | dopr_unit = '1/m3' |
---|
751 | unit = dopr_unit |
---|
752 | hom(:,2,pr_index,:) = SPREAD( zu, 2, statistic_regions+1 ) |
---|
753 | |
---|
754 | CASE ( 'nr' ) |
---|
755 | IF ( .NOT. microphysics_seifert ) THEN |
---|
756 | message_string = 'data_output_pr = ' // & |
---|
757 | TRIM( data_output_pr(var_count) ) // & |
---|
758 | ' is not implemented for' // & |
---|
759 | ' cloud_scheme /= seifert_beheng' |
---|
760 | CALL message( 'check_parameters', 'PA0358', 1, 2, 0, 6, 0 ) |
---|
761 | ENDIF |
---|
762 | pr_index = 73 |
---|
763 | dopr_index(var_count) = pr_index |
---|
764 | dopr_unit = '1/m3' |
---|
765 | unit = dopr_unit |
---|
766 | hom(:,2,pr_index,:) = SPREAD( zu, 2, statistic_regions+1 ) |
---|
767 | |
---|
768 | CASE ( 'prr' ) |
---|
769 | IF ( microphysics_sat_adjust ) THEN |
---|
770 | message_string = 'data_output_pr = ' // & |
---|
771 | TRIM( data_output_pr(var_count) ) // & |
---|
772 | ' is not available for' // & |
---|
773 | ' cloud_scheme = saturation_adjust' |
---|
774 | CALL message( 'check_parameters', 'PA0422', 1, 2, 0, 6, 0 ) |
---|
775 | ENDIF |
---|
776 | pr_index = 76 |
---|
777 | dopr_index(var_count) = pr_index |
---|
778 | dopr_unit = 'kg/kg m/s' |
---|
779 | unit = dopr_unit |
---|
780 | hom(:,2,pr_index,:) = SPREAD( zu, 2, statistic_regions+1 ) |
---|
781 | CASE ( 'qc' ) |
---|
782 | pr_index = 75 |
---|
783 | dopr_index(var_count) = pr_index |
---|
784 | dopr_unit = 'kg/kg' |
---|
785 | unit = dopr_unit |
---|
786 | hom(:,2,pr_index,:) = SPREAD( zu, 2, statistic_regions+1 ) |
---|
787 | |
---|
788 | CASE ( 'qr' ) |
---|
789 | IF ( .NOT. microphysics_seifert ) THEN |
---|
790 | message_string = 'data_output_pr = ' // & |
---|
791 | TRIM( data_output_pr(var_count) ) // & |
---|
792 | ' is not implemented for' // & |
---|
793 | ' cloud_scheme /= seifert_beheng' |
---|
794 | CALL message( 'check_parameters', 'PA0358', 1, 2, 0, 6, 0 ) |
---|
795 | ENDIF |
---|
796 | pr_index = 74 |
---|
797 | dopr_index(var_count) = pr_index |
---|
798 | dopr_unit = 'kg/kg' |
---|
799 | unit = dopr_unit |
---|
800 | hom(:,2,pr_index,:) = SPREAD( zu, 2, statistic_regions+1 ) |
---|
801 | |
---|
802 | CASE DEFAULT |
---|
803 | unit = 'illegal' |
---|
804 | |
---|
805 | END SELECT |
---|
806 | |
---|
807 | END SUBROUTINE bcm_check_data_output_pr |
---|
808 | |
---|
809 | |
---|
810 | !------------------------------------------------------------------------------! |
---|
811 | ! Description: |
---|
812 | ! ------------ |
---|
813 | !> Allocate bulk cloud module arrays and define pointers |
---|
814 | !------------------------------------------------------------------------------! |
---|
815 | SUBROUTINE bcm_init_arrays |
---|
816 | |
---|
817 | USE indices, & |
---|
818 | ONLY: nxlg, nxrg, nysg, nyng, nzb, nzt |
---|
819 | |
---|
820 | |
---|
821 | IMPLICIT NONE |
---|
822 | |
---|
823 | INTEGER(iwp) :: i !< |
---|
824 | INTEGER(iwp) :: j !< |
---|
825 | INTEGER(iwp) :: k !< |
---|
826 | ! |
---|
827 | !-- Liquid water content |
---|
828 | ALLOCATE ( ql_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
829 | |
---|
830 | ! |
---|
831 | !-- 3D-cloud water content |
---|
832 | IF ( .NOT. microphysics_morrison ) THEN |
---|
833 | ALLOCATE( qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
834 | ENDIF |
---|
835 | ! |
---|
836 | !-- Precipitation amount and rate (only needed if output is switched) |
---|
837 | ALLOCATE( precipitation_amount(nysg:nyng,nxlg:nxrg) ) |
---|
838 | |
---|
839 | ! |
---|
840 | !-- 3d-precipitation rate |
---|
841 | ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
842 | |
---|
843 | IF ( microphysics_morrison ) THEN |
---|
844 | ! |
---|
845 | !-- 3D-cloud drop water content, cloud drop concentration arrays |
---|
846 | ALLOCATE( nc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
847 | nc_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
848 | nc_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
849 | qc_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
850 | qc_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
851 | qc_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
852 | ENDIF |
---|
853 | |
---|
854 | IF ( microphysics_seifert ) THEN |
---|
855 | ! |
---|
856 | !-- 3D-rain water content, rain drop concentration arrays |
---|
857 | ALLOCATE( nr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
858 | nr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
859 | nr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
860 | qr_1(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
861 | qr_2(nzb:nzt+1,nysg:nyng,nxlg:nxrg), & |
---|
862 | qr_3(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
863 | ENDIF |
---|
864 | |
---|
865 | ! |
---|
866 | !-- Initial assignment of the pointers |
---|
867 | ql => ql_1 |
---|
868 | IF ( .NOT. microphysics_morrison ) THEN |
---|
869 | qc => qc_1 |
---|
870 | ENDIF |
---|
871 | IF ( microphysics_morrison ) THEN |
---|
872 | qc => qc_1; qc_p => qc_2; tqc_m => qc_3 |
---|
873 | nc => nc_1; nc_p => nc_2; tnc_m => nc_3 |
---|
874 | ENDIF |
---|
875 | IF ( microphysics_seifert ) THEN |
---|
876 | qr => qr_1; qr_p => qr_2; tqr_m => qr_3 |
---|
877 | nr => nr_1; nr_p => nr_2; tnr_m => nr_3 |
---|
878 | ENDIF |
---|
879 | |
---|
880 | |
---|
881 | END SUBROUTINE bcm_init_arrays |
---|
882 | |
---|
883 | |
---|
884 | !------------------------------------------------------------------------------! |
---|
885 | ! Description: |
---|
886 | ! ------------ |
---|
887 | !> Initialization of the bulk cloud module |
---|
888 | !------------------------------------------------------------------------------! |
---|
889 | SUBROUTINE bcm_init |
---|
890 | |
---|
891 | IMPLICIT NONE |
---|
892 | |
---|
893 | INTEGER(iwp) :: i !< |
---|
894 | INTEGER(iwp) :: j !< |
---|
895 | INTEGER(iwp) :: k !< |
---|
896 | |
---|
897 | CALL location_message( 'initializing bulk cloud module', .FALSE. ) |
---|
898 | |
---|
899 | IF ( bulk_cloud_model ) THEN |
---|
900 | IF ( TRIM( initializing_actions ) /= 'read_restart_data' ) THEN |
---|
901 | ! |
---|
902 | !-- Initialize the remaining quantities |
---|
903 | IF ( microphysics_morrison ) THEN |
---|
904 | DO i = nxlg, nxrg |
---|
905 | DO j = nysg, nyng |
---|
906 | qc(:,j,i) = 0.0_wp |
---|
907 | nc(:,j,i) = 0.0_wp |
---|
908 | ENDDO |
---|
909 | ENDDO |
---|
910 | ENDIF |
---|
911 | |
---|
912 | IF ( microphysics_seifert ) THEN |
---|
913 | DO i = nxlg, nxrg |
---|
914 | DO j = nysg, nyng |
---|
915 | qr(:,j,i) = 0.0_wp |
---|
916 | nr(:,j,i) = 0.0_wp |
---|
917 | ENDDO |
---|
918 | ENDDO |
---|
919 | ENDIF |
---|
920 | ! |
---|
921 | !-- Liquid water content and precipitation amount |
---|
922 | !-- are zero at beginning of the simulation |
---|
923 | ql = 0.0_wp |
---|
924 | qc = 0.0_wp |
---|
925 | precipitation_amount = 0.0_wp |
---|
926 | prr = 0.0_wp |
---|
927 | ! |
---|
928 | !-- Initialize old and new time levels. |
---|
929 | IF ( microphysics_morrison ) THEN |
---|
930 | tqc_m = 0.0_wp |
---|
931 | tnc_m = 0.0_wp |
---|
932 | qc_p = qc |
---|
933 | nc_p = nc |
---|
934 | ENDIF |
---|
935 | IF ( microphysics_seifert ) THEN |
---|
936 | tqr_m = 0.0_wp |
---|
937 | tnr_m = 0.0_wp |
---|
938 | qr_p = qr |
---|
939 | nr_p = nr |
---|
940 | ENDIF |
---|
941 | ENDIF ! Only if not read_restart_data |
---|
942 | ! |
---|
943 | !-- constant for the sedimentation of cloud water (2-moment cloud physics) |
---|
944 | sed_qc_const = k_st * ( 3.0_wp / ( 4.0_wp * pi * rho_l ) & |
---|
945 | )**( 2.0_wp / 3.0_wp ) * & |
---|
946 | EXP( 5.0_wp * LOG( sigma_gc )**2 ) |
---|
947 | |
---|
948 | ! |
---|
949 | !-- Calculate timestep according to precipitation |
---|
950 | IF ( microphysics_seifert ) THEN |
---|
951 | dt_precipitation = c_sedimentation * MINVAL( dzu(nzb+2:nzt) ) / & |
---|
952 | w_precipitation |
---|
953 | ENDIF |
---|
954 | |
---|
955 | ! |
---|
956 | !-- Set constants for certain aerosol type |
---|
957 | IF ( microphysics_morrison ) THEN |
---|
958 | IF ( aerosol_nacl ) THEN |
---|
959 | molecular_weight_of_solute = 0.05844_wp |
---|
960 | rho_s = 2165.0_wp |
---|
961 | vanthoff = 2.0_wp |
---|
962 | ELSEIF ( aerosol_c3h4o4 ) THEN |
---|
963 | molecular_weight_of_solute = 0.10406_wp |
---|
964 | rho_s = 1600.0_wp |
---|
965 | vanthoff = 1.37_wp |
---|
966 | ELSEIF ( aerosol_nh4no3 ) THEN |
---|
967 | molecular_weight_of_solute = 0.08004_wp |
---|
968 | rho_s = 1720.0_wp |
---|
969 | vanthoff = 2.31_wp |
---|
970 | ENDIF |
---|
971 | ENDIF |
---|
972 | |
---|
973 | ! |
---|
974 | !-- Pre-calculate frequently calculated fractions of pi and rho_l |
---|
975 | pirho_l = pi * rho_l / 6.0_wp |
---|
976 | dpirho_l = 1.0_wp / pirho_l |
---|
977 | |
---|
978 | CALL location_message( 'finished', .TRUE. ) |
---|
979 | |
---|
980 | ELSE |
---|
981 | |
---|
982 | CALL location_message( 'skipped', .TRUE. ) |
---|
983 | |
---|
984 | ENDIF |
---|
985 | |
---|
986 | END SUBROUTINE bcm_init |
---|
987 | |
---|
988 | |
---|
989 | !------------------------------------------------------------------------------! |
---|
990 | ! Description: |
---|
991 | ! ------------ |
---|
992 | !> Swapping of timelevels |
---|
993 | !------------------------------------------------------------------------------! |
---|
994 | SUBROUTINE bcm_swap_timelevel ( mod_count ) |
---|
995 | |
---|
996 | IMPLICIT NONE |
---|
997 | |
---|
998 | INTEGER, INTENT(IN) :: mod_count |
---|
999 | |
---|
1000 | IF ( bulk_cloud_model ) THEN |
---|
1001 | |
---|
1002 | SELECT CASE ( mod_count ) |
---|
1003 | |
---|
1004 | CASE ( 0 ) |
---|
1005 | |
---|
1006 | IF ( microphysics_morrison ) THEN |
---|
1007 | qc => qc_1; qc_p => qc_2 |
---|
1008 | nc => nc_1; nc_p => nc_2 |
---|
1009 | ENDIF |
---|
1010 | IF ( microphysics_seifert ) THEN |
---|
1011 | qr => qr_1; qr_p => qr_2 |
---|
1012 | nr => nr_1; nr_p => nr_2 |
---|
1013 | ENDIF |
---|
1014 | |
---|
1015 | CASE ( 1 ) |
---|
1016 | |
---|
1017 | IF ( microphysics_morrison ) THEN |
---|
1018 | qc => qc_2; qc_p => qc_1 |
---|
1019 | nc => nc_2; nc_p => nc_1 |
---|
1020 | ENDIF |
---|
1021 | IF ( microphysics_seifert ) THEN |
---|
1022 | qr => qr_2; qr_p => qr_1 |
---|
1023 | nr => nr_2; nr_p => nr_1 |
---|
1024 | ENDIF |
---|
1025 | |
---|
1026 | END SELECT |
---|
1027 | |
---|
1028 | ENDIF |
---|
1029 | |
---|
1030 | END SUBROUTINE bcm_swap_timelevel |
---|
1031 | |
---|
1032 | |
---|
1033 | !------------------------------------------------------------------------------! |
---|
1034 | ! Description: |
---|
1035 | ! ------------ |
---|
1036 | !> Header output for bulk cloud module |
---|
1037 | !------------------------------------------------------------------------------! |
---|
1038 | SUBROUTINE bcm_header ( io ) |
---|
1039 | |
---|
1040 | |
---|
1041 | IMPLICIT NONE |
---|
1042 | |
---|
1043 | INTEGER(iwp), INTENT(IN) :: io !< Unit of the output file |
---|
1044 | |
---|
1045 | ! |
---|
1046 | !-- Write bulk cloud module header |
---|
1047 | WRITE ( io, 1 ) |
---|
1048 | |
---|
1049 | WRITE ( io, 2 ) |
---|
1050 | WRITE ( io, 3 ) |
---|
1051 | |
---|
1052 | IF ( microphysics_kessler ) THEN |
---|
1053 | WRITE ( io, 4 ) 'Kessler-Scheme' |
---|
1054 | ENDIF |
---|
1055 | |
---|
1056 | IF ( microphysics_seifert ) THEN |
---|
1057 | WRITE ( io, 4 ) 'Seifert-Beheng-Scheme' |
---|
1058 | IF ( cloud_water_sedimentation ) WRITE ( io, 5 ) |
---|
1059 | IF ( collision_turbulence ) WRITE ( io, 6 ) |
---|
1060 | IF ( ventilation_effect ) WRITE ( io, 7 ) |
---|
1061 | IF ( limiter_sedimentation ) WRITE ( io, 8 ) |
---|
1062 | ENDIF |
---|
1063 | |
---|
1064 | WRITE ( io, 20 ) |
---|
1065 | WRITE ( io, 21 ) surface_pressure |
---|
1066 | WRITE ( io, 22 ) r_d |
---|
1067 | WRITE ( io, 23 ) rho_surface |
---|
1068 | WRITE ( io, 24 ) c_p |
---|
1069 | WRITE ( io, 25 ) l_v |
---|
1070 | |
---|
1071 | IF ( microphysics_seifert ) THEN |
---|
1072 | WRITE ( io, 26 ) 1.0E-6_wp * nc_const |
---|
1073 | WRITE ( io, 27 ) c_sedimentation |
---|
1074 | ENDIF |
---|
1075 | |
---|
1076 | |
---|
1077 | 1 FORMAT ( //' Bulk cloud module information:'/ & |
---|
1078 | ' ------------------------------------------'/ ) |
---|
1079 | 2 FORMAT ( '--> Bulk scheme with liquid water potential temperature and'/ & |
---|
1080 | ' total water content is used.' ) |
---|
1081 | 3 FORMAT ( '--> Condensation is parameterized via 0% - or 100% scheme.' ) |
---|
1082 | 4 FORMAT ( '--> Precipitation parameterization via ', A ) |
---|
1083 | |
---|
1084 | 5 FORMAT ( '--> Cloud water sedimentation parameterization via Stokes law' ) |
---|
1085 | 6 FORMAT ( '--> Turbulence effects on precipitation process' ) |
---|
1086 | 7 FORMAT ( '--> Ventilation effects on evaporation of rain drops' ) |
---|
1087 | 8 FORMAT ( '--> Slope limiter used for sedimentation process' ) |
---|
1088 | |
---|
1089 | 20 FORMAT ( '--> Essential parameters:' ) |
---|
1090 | 21 FORMAT ( ' Surface pressure : p_0 = ', F7.2, ' hPa') |
---|
1091 | 22 FORMAT ( ' Gas constant : R = ', F5.1, ' J/(kg K)') |
---|
1092 | 23 FORMAT ( ' Density of air : rho_0 = ', F6.3, ' kg/m**3') |
---|
1093 | 24 FORMAT ( ' Specific heat cap. : c_p = ', F6.1, ' J/(kg K)') |
---|
1094 | 25 FORMAT ( ' Vapourization heat : L_v = ', E9.2, ' J/kg') |
---|
1095 | 26 FORMAT ( ' Droplet density : N_c = ', F6.1, ' 1/cm**3' ) |
---|
1096 | 27 FORMAT ( ' Sedimentation Courant number : C_s = ', F4.1 ) |
---|
1097 | |
---|
1098 | |
---|
1099 | END SUBROUTINE bcm_header |
---|
1100 | |
---|
1101 | |
---|
1102 | !------------------------------------------------------------------------------! |
---|
1103 | ! |
---|
1104 | ! Description: |
---|
1105 | ! ------------ |
---|
1106 | !> Subroutine for averaging 3D data |
---|
1107 | !------------------------------------------------------------------------------! |
---|
1108 | SUBROUTINE bcm_3d_data_averaging( mode, variable ) |
---|
1109 | |
---|
1110 | USE control_parameters, & |
---|
1111 | ONLY: average_count_3d |
---|
1112 | |
---|
1113 | IMPLICIT NONE |
---|
1114 | |
---|
1115 | CHARACTER (LEN=*) :: mode !< |
---|
1116 | CHARACTER (LEN=*) :: variable !< |
---|
1117 | |
---|
1118 | INTEGER(iwp) :: i !< local index |
---|
1119 | INTEGER(iwp) :: j !< local index |
---|
1120 | INTEGER(iwp) :: k !< local index |
---|
1121 | |
---|
1122 | IF ( mode == 'allocate' ) THEN |
---|
1123 | |
---|
1124 | SELECT CASE ( TRIM( variable ) ) |
---|
1125 | |
---|
1126 | CASE ( 'nc' ) |
---|
1127 | IF ( .NOT. ALLOCATED( nc_av ) ) THEN |
---|
1128 | ALLOCATE( nc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1129 | ENDIF |
---|
1130 | nc_av = 0.0_wp |
---|
1131 | |
---|
1132 | CASE ( 'nr' ) |
---|
1133 | IF ( .NOT. ALLOCATED( nr_av ) ) THEN |
---|
1134 | ALLOCATE( nr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1135 | ENDIF |
---|
1136 | nr_av = 0.0_wp |
---|
1137 | |
---|
1138 | CASE ( 'prr' ) |
---|
1139 | IF ( .NOT. ALLOCATED( prr_av ) ) THEN |
---|
1140 | ALLOCATE( prr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1141 | ENDIF |
---|
1142 | prr_av = 0.0_wp |
---|
1143 | |
---|
1144 | CASE ( 'qc' ) |
---|
1145 | IF ( .NOT. ALLOCATED( qc_av ) ) THEN |
---|
1146 | ALLOCATE( qc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1147 | ENDIF |
---|
1148 | qc_av = 0.0_wp |
---|
1149 | |
---|
1150 | CASE ( 'ql' ) |
---|
1151 | IF ( .NOT. ALLOCATED( ql_av ) ) THEN |
---|
1152 | ALLOCATE( ql_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1153 | ENDIF |
---|
1154 | ql_av = 0.0_wp |
---|
1155 | |
---|
1156 | CASE ( 'qr' ) |
---|
1157 | IF ( .NOT. ALLOCATED( qr_av ) ) THEN |
---|
1158 | ALLOCATE( qr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1159 | ENDIF |
---|
1160 | qr_av = 0.0_wp |
---|
1161 | |
---|
1162 | CASE DEFAULT |
---|
1163 | CONTINUE |
---|
1164 | |
---|
1165 | END SELECT |
---|
1166 | |
---|
1167 | ELSEIF ( mode == 'sum' ) THEN |
---|
1168 | |
---|
1169 | SELECT CASE ( TRIM( variable ) ) |
---|
1170 | |
---|
1171 | CASE ( 'nc' ) |
---|
1172 | IF ( ALLOCATED( nc_av ) ) THEN |
---|
1173 | DO i = nxlg, nxrg |
---|
1174 | DO j = nysg, nyng |
---|
1175 | DO k = nzb, nzt+1 |
---|
1176 | nc_av(k,j,i) = nc_av(k,j,i) + nc(k,j,i) |
---|
1177 | ENDDO |
---|
1178 | ENDDO |
---|
1179 | ENDDO |
---|
1180 | ENDIF |
---|
1181 | |
---|
1182 | CASE ( 'nr' ) |
---|
1183 | IF ( ALLOCATED( nr_av ) ) THEN |
---|
1184 | DO i = nxlg, nxrg |
---|
1185 | DO j = nysg, nyng |
---|
1186 | DO k = nzb, nzt+1 |
---|
1187 | nr_av(k,j,i) = nr_av(k,j,i) + nr(k,j,i) |
---|
1188 | ENDDO |
---|
1189 | ENDDO |
---|
1190 | ENDDO |
---|
1191 | ENDIF |
---|
1192 | |
---|
1193 | CASE ( 'prr' ) |
---|
1194 | IF ( ALLOCATED( prr_av ) ) THEN |
---|
1195 | DO i = nxlg, nxrg |
---|
1196 | DO j = nysg, nyng |
---|
1197 | DO k = nzb, nzt+1 |
---|
1198 | prr_av(k,j,i) = prr_av(k,j,i) + prr(k,j,i) |
---|
1199 | ENDDO |
---|
1200 | ENDDO |
---|
1201 | ENDDO |
---|
1202 | ENDIF |
---|
1203 | |
---|
1204 | CASE ( 'qc' ) |
---|
1205 | IF ( ALLOCATED( qc_av ) ) THEN |
---|
1206 | DO i = nxlg, nxrg |
---|
1207 | DO j = nysg, nyng |
---|
1208 | DO k = nzb, nzt+1 |
---|
1209 | qc_av(k,j,i) = qc_av(k,j,i) + qc(k,j,i) |
---|
1210 | ENDDO |
---|
1211 | ENDDO |
---|
1212 | ENDDO |
---|
1213 | ENDIF |
---|
1214 | |
---|
1215 | CASE ( 'ql' ) |
---|
1216 | IF ( ALLOCATED( ql_av ) ) THEN |
---|
1217 | DO i = nxlg, nxrg |
---|
1218 | DO j = nysg, nyng |
---|
1219 | DO k = nzb, nzt+1 |
---|
1220 | ql_av(k,j,i) = ql_av(k,j,i) + ql(k,j,i) |
---|
1221 | ENDDO |
---|
1222 | ENDDO |
---|
1223 | ENDDO |
---|
1224 | ENDIF |
---|
1225 | |
---|
1226 | CASE ( 'qr' ) |
---|
1227 | IF ( ALLOCATED( qr_av ) ) THEN |
---|
1228 | DO i = nxlg, nxrg |
---|
1229 | DO j = nysg, nyng |
---|
1230 | DO k = nzb, nzt+1 |
---|
1231 | qr_av(k,j,i) = qr_av(k,j,i) + qr(k,j,i) |
---|
1232 | ENDDO |
---|
1233 | ENDDO |
---|
1234 | ENDDO |
---|
1235 | ENDIF |
---|
1236 | |
---|
1237 | CASE DEFAULT |
---|
1238 | CONTINUE |
---|
1239 | |
---|
1240 | END SELECT |
---|
1241 | |
---|
1242 | ELSEIF ( mode == 'average' ) THEN |
---|
1243 | |
---|
1244 | SELECT CASE ( TRIM( variable ) ) |
---|
1245 | |
---|
1246 | CASE ( 'nc' ) |
---|
1247 | IF ( ALLOCATED( nc_av ) ) THEN |
---|
1248 | DO i = nxlg, nxrg |
---|
1249 | DO j = nysg, nyng |
---|
1250 | DO k = nzb, nzt+1 |
---|
1251 | nc_av(k,j,i) = nc_av(k,j,i) / REAL( average_count_3d, KIND=wp ) |
---|
1252 | ENDDO |
---|
1253 | ENDDO |
---|
1254 | ENDDO |
---|
1255 | ENDIF |
---|
1256 | |
---|
1257 | CASE ( 'nr' ) |
---|
1258 | IF ( ALLOCATED( nr_av ) ) THEN |
---|
1259 | DO i = nxlg, nxrg |
---|
1260 | DO j = nysg, nyng |
---|
1261 | DO k = nzb, nzt+1 |
---|
1262 | nr_av(k,j,i) = nr_av(k,j,i) / REAL( average_count_3d, KIND=wp ) |
---|
1263 | ENDDO |
---|
1264 | ENDDO |
---|
1265 | ENDDO |
---|
1266 | ENDIF |
---|
1267 | |
---|
1268 | CASE ( 'prr' ) |
---|
1269 | IF ( ALLOCATED( prr_av ) ) THEN |
---|
1270 | DO i = nxlg, nxrg |
---|
1271 | DO j = nysg, nyng |
---|
1272 | DO k = nzb, nzt+1 |
---|
1273 | prr_av(k,j,i) = prr_av(k,j,i) / REAL( average_count_3d, KIND=wp ) |
---|
1274 | ENDDO |
---|
1275 | ENDDO |
---|
1276 | ENDDO |
---|
1277 | ENDIF |
---|
1278 | |
---|
1279 | CASE ( 'qc' ) |
---|
1280 | IF ( ALLOCATED( qc_av ) ) THEN |
---|
1281 | DO i = nxlg, nxrg |
---|
1282 | DO j = nysg, nyng |
---|
1283 | DO k = nzb, nzt+1 |
---|
1284 | qc_av(k,j,i) = qc_av(k,j,i) / REAL( average_count_3d, KIND=wp ) |
---|
1285 | ENDDO |
---|
1286 | ENDDO |
---|
1287 | ENDDO |
---|
1288 | ENDIF |
---|
1289 | |
---|
1290 | CASE ( 'ql' ) |
---|
1291 | IF ( ALLOCATED( ql_av ) ) THEN |
---|
1292 | DO i = nxlg, nxrg |
---|
1293 | DO j = nysg, nyng |
---|
1294 | DO k = nzb, nzt+1 |
---|
1295 | ql_av(k,j,i) = ql_av(k,j,i) / REAL( average_count_3d, KIND=wp ) |
---|
1296 | ENDDO |
---|
1297 | ENDDO |
---|
1298 | ENDDO |
---|
1299 | ENDIF |
---|
1300 | |
---|
1301 | CASE ( 'qr' ) |
---|
1302 | IF ( ALLOCATED( qr_av ) ) THEN |
---|
1303 | DO i = nxlg, nxrg |
---|
1304 | DO j = nysg, nyng |
---|
1305 | DO k = nzb, nzt+1 |
---|
1306 | qr_av(k,j,i) = qr_av(k,j,i) / REAL( average_count_3d, KIND=wp ) |
---|
1307 | ENDDO |
---|
1308 | ENDDO |
---|
1309 | ENDDO |
---|
1310 | ENDIF |
---|
1311 | |
---|
1312 | CASE DEFAULT |
---|
1313 | CONTINUE |
---|
1314 | |
---|
1315 | END SELECT |
---|
1316 | |
---|
1317 | ENDIF |
---|
1318 | |
---|
1319 | END SUBROUTINE bcm_3d_data_averaging |
---|
1320 | |
---|
1321 | |
---|
1322 | !------------------------------------------------------------------------------! |
---|
1323 | ! Description: |
---|
1324 | ! ------------ |
---|
1325 | !> Define 2D output variables. |
---|
1326 | !------------------------------------------------------------------------------! |
---|
1327 | SUBROUTINE bcm_data_output_2d( av, variable, found, grid, mode, local_pf, & |
---|
1328 | two_d, nzb_do, nzt_do ) |
---|
1329 | |
---|
1330 | |
---|
1331 | IMPLICIT NONE |
---|
1332 | |
---|
1333 | CHARACTER (LEN=*), INTENT(INOUT) :: grid !< name of vertical grid |
---|
1334 | CHARACTER (LEN=*), INTENT(IN) :: mode !< either 'xy', 'xz' or 'yz' |
---|
1335 | CHARACTER (LEN=*), INTENT(IN) :: variable !< name of variable |
---|
1336 | |
---|
1337 | INTEGER(iwp), INTENT(IN) :: av !< flag for (non-)average output |
---|
1338 | INTEGER(iwp), INTENT(IN) :: nzb_do !< vertical output index (bottom) |
---|
1339 | INTEGER(iwp), INTENT(IN) :: nzt_do !< vertical output index (top) |
---|
1340 | |
---|
1341 | INTEGER(iwp) :: flag_nr !< number of masking flag |
---|
1342 | |
---|
1343 | INTEGER(iwp) :: i !< loop index along x-direction |
---|
1344 | INTEGER(iwp) :: j !< loop index along y-direction |
---|
1345 | INTEGER(iwp) :: k !< loop index along z-direction |
---|
1346 | |
---|
1347 | LOGICAL, INTENT(INOUT) :: found !< flag if output variable is found |
---|
1348 | LOGICAL, INTENT(INOUT) :: two_d !< flag parameter that indicates 2D variables (horizontal cross sections) |
---|
1349 | LOGICAL :: resorted !< flag if output is already resorted |
---|
1350 | |
---|
1351 | REAL(wp), PARAMETER :: fill_value = -999.0_wp !< value for the _FillValue attribute |
---|
1352 | |
---|
1353 | REAL(wp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do), INTENT(INOUT) :: local_pf !< local |
---|
1354 | !< array to which output data is resorted to |
---|
1355 | |
---|
1356 | REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !< points to selected output variable |
---|
1357 | |
---|
1358 | found = .TRUE. |
---|
1359 | resorted = .FALSE. |
---|
1360 | ! |
---|
1361 | !-- Set masking flag for topography for not resorted arrays |
---|
1362 | flag_nr = 0 ! 0 = scalar, 1 = u, 2 = v, 3 = w |
---|
1363 | |
---|
1364 | SELECT CASE ( TRIM( variable ) ) |
---|
1365 | |
---|
1366 | CASE ( 'nc_xy', 'nc_xz', 'nc_yz' ) |
---|
1367 | IF ( av == 0 ) THEN |
---|
1368 | to_be_resorted => nc |
---|
1369 | ELSE |
---|
1370 | IF ( .NOT. ALLOCATED( nc_av ) ) THEN |
---|
1371 | ALLOCATE( nc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1372 | nc_av = REAL( fill_value, KIND = wp ) |
---|
1373 | ENDIF |
---|
1374 | to_be_resorted => nc_av |
---|
1375 | ENDIF |
---|
1376 | IF ( mode == 'xy' ) grid = 'zu' |
---|
1377 | |
---|
1378 | CASE ( 'nr_xy', 'nr_xz', 'nr_yz' ) |
---|
1379 | IF ( av == 0 ) THEN |
---|
1380 | to_be_resorted => nr |
---|
1381 | ELSE |
---|
1382 | IF ( .NOT. ALLOCATED( nr_av ) ) THEN |
---|
1383 | ALLOCATE( nr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1384 | nr_av = REAL( fill_value, KIND = wp ) |
---|
1385 | ENDIF |
---|
1386 | to_be_resorted => nr_av |
---|
1387 | ENDIF |
---|
1388 | IF ( mode == 'xy' ) grid = 'zu' |
---|
1389 | |
---|
1390 | CASE ( 'pra*_xy' ) ! 2d-array / integral quantity => no av |
---|
1391 | ! CALL exchange_horiz_2d( precipitation_amount ) |
---|
1392 | DO i = nxl, nxr |
---|
1393 | DO j = nys, nyn |
---|
1394 | local_pf(i,j,nzb+1) = precipitation_amount(j,i) |
---|
1395 | ENDDO |
---|
1396 | ENDDO |
---|
1397 | precipitation_amount = 0.0_wp ! reset for next integ. interval |
---|
1398 | resorted = .TRUE. |
---|
1399 | two_d = .TRUE. |
---|
1400 | IF ( mode == 'xy' ) grid = 'zu1' |
---|
1401 | |
---|
1402 | CASE ( 'prr_xy', 'prr_xz', 'prr_yz' ) |
---|
1403 | IF ( av == 0 ) THEN |
---|
1404 | ! CALL exchange_horiz( prr, nbgp ) |
---|
1405 | DO i = nxl, nxr |
---|
1406 | DO j = nys, nyn |
---|
1407 | DO k = nzb, nzt+1 |
---|
1408 | local_pf(i,j,k) = prr(k,j,i) * hyrho(nzb+1) |
---|
1409 | ENDDO |
---|
1410 | ENDDO |
---|
1411 | ENDDO |
---|
1412 | ELSE |
---|
1413 | IF ( .NOT. ALLOCATED( prr_av ) ) THEN |
---|
1414 | ALLOCATE( prr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1415 | prr_av = REAL( fill_value, KIND = wp ) |
---|
1416 | ENDIF |
---|
1417 | ! CALL exchange_horiz( prr_av, nbgp ) |
---|
1418 | DO i = nxl, nxr |
---|
1419 | DO j = nys, nyn |
---|
1420 | DO k = nzb, nzt+1 |
---|
1421 | local_pf(i,j,k) = prr_av(k,j,i) * hyrho(nzb+1) |
---|
1422 | ENDDO |
---|
1423 | ENDDO |
---|
1424 | ENDDO |
---|
1425 | ENDIF |
---|
1426 | resorted = .TRUE. |
---|
1427 | IF ( mode == 'xy' ) grid = 'zu' |
---|
1428 | |
---|
1429 | CASE ( 'qc_xy', 'qc_xz', 'qc_yz' ) |
---|
1430 | IF ( av == 0 ) THEN |
---|
1431 | to_be_resorted => qc |
---|
1432 | ELSE |
---|
1433 | IF ( .NOT. ALLOCATED( qc_av ) ) THEN |
---|
1434 | ALLOCATE( qc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1435 | qc_av = REAL( fill_value, KIND = wp ) |
---|
1436 | ENDIF |
---|
1437 | to_be_resorted => qc_av |
---|
1438 | ENDIF |
---|
1439 | IF ( mode == 'xy' ) grid = 'zu' |
---|
1440 | |
---|
1441 | CASE ( 'ql_xy', 'ql_xz', 'ql_yz' ) |
---|
1442 | IF ( av == 0 ) THEN |
---|
1443 | to_be_resorted => ql |
---|
1444 | ELSE |
---|
1445 | IF ( .NOT. ALLOCATED( ql_av ) ) THEN |
---|
1446 | ALLOCATE( ql_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1447 | ql_av = REAL( fill_value, KIND = wp ) |
---|
1448 | ENDIF |
---|
1449 | to_be_resorted => ql_av |
---|
1450 | ENDIF |
---|
1451 | IF ( mode == 'xy' ) grid = 'zu' |
---|
1452 | |
---|
1453 | CASE ( 'qr_xy', 'qr_xz', 'qr_yz' ) |
---|
1454 | IF ( av == 0 ) THEN |
---|
1455 | to_be_resorted => qr |
---|
1456 | ELSE |
---|
1457 | IF ( .NOT. ALLOCATED( qr_av ) ) THEN |
---|
1458 | ALLOCATE( qr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1459 | qr_av = REAL( fill_value, KIND = wp ) |
---|
1460 | ENDIF |
---|
1461 | to_be_resorted => qr_av |
---|
1462 | ENDIF |
---|
1463 | IF ( mode == 'xy' ) grid = 'zu' |
---|
1464 | |
---|
1465 | CASE DEFAULT |
---|
1466 | found = .FALSE. |
---|
1467 | grid = 'none' |
---|
1468 | |
---|
1469 | END SELECT |
---|
1470 | |
---|
1471 | IF ( found .AND. .NOT. resorted ) THEN |
---|
1472 | DO i = nxl, nxr |
---|
1473 | DO j = nys, nyn |
---|
1474 | DO k = nzb_do, nzt_do |
---|
1475 | local_pf(i,j,k) = MERGE( & |
---|
1476 | to_be_resorted(k,j,i), & |
---|
1477 | REAL( fill_value, KIND = wp ), & |
---|
1478 | BTEST( wall_flags_0(k,j,i), flag_nr ) & |
---|
1479 | ) |
---|
1480 | ENDDO |
---|
1481 | ENDDO |
---|
1482 | ENDDO |
---|
1483 | ENDIF |
---|
1484 | |
---|
1485 | END SUBROUTINE bcm_data_output_2d |
---|
1486 | |
---|
1487 | |
---|
1488 | !------------------------------------------------------------------------------! |
---|
1489 | ! Description: |
---|
1490 | ! ------------ |
---|
1491 | !> Define 3D output variables. |
---|
1492 | !------------------------------------------------------------------------------! |
---|
1493 | SUBROUTINE bcm_data_output_3d( av, variable, found, local_pf, nzb_do, nzt_do ) |
---|
1494 | |
---|
1495 | |
---|
1496 | IMPLICIT NONE |
---|
1497 | |
---|
1498 | CHARACTER (LEN=*), INTENT(IN) :: variable !< name of variable |
---|
1499 | |
---|
1500 | INTEGER(iwp), INTENT(IN) :: av !< flag for (non-)average output |
---|
1501 | INTEGER(iwp), INTENT(IN) :: nzb_do !< lower limit of the data output (usually 0) |
---|
1502 | INTEGER(iwp), INTENT(IN) :: nzt_do !< vertical upper limit of the data output (usually nz_do3d) |
---|
1503 | |
---|
1504 | INTEGER(iwp) :: flag_nr !< number of masking flag |
---|
1505 | |
---|
1506 | INTEGER(iwp) :: i !< loop index along x-direction |
---|
1507 | INTEGER(iwp) :: j !< loop index along y-direction |
---|
1508 | INTEGER(iwp) :: k !< loop index along z-direction |
---|
1509 | |
---|
1510 | LOGICAL, INTENT(INOUT) :: found !< flag if output variable is found |
---|
1511 | LOGICAL :: resorted !< flag if output is already resorted |
---|
1512 | |
---|
1513 | REAL(wp) :: fill_value = -999.0_wp !< value for the _FillValue attribute |
---|
1514 | |
---|
1515 | REAL(sp), DIMENSION(nxl:nxr,nys:nyn,nzb_do:nzt_do), INTENT(INOUT) :: local_pf !< local |
---|
1516 | !< array to which output data is resorted to |
---|
1517 | |
---|
1518 | REAL(wp), DIMENSION(:,:,:), POINTER :: to_be_resorted !< points to selected output variable |
---|
1519 | |
---|
1520 | found = .TRUE. |
---|
1521 | resorted = .FALSE. |
---|
1522 | ! |
---|
1523 | !-- Set masking flag for topography for not resorted arrays |
---|
1524 | flag_nr = 0 ! 0 = scalar, 1 = u, 2 = v, 3 = w |
---|
1525 | |
---|
1526 | SELECT CASE ( TRIM( variable ) ) |
---|
1527 | |
---|
1528 | CASE ( 'nc' ) |
---|
1529 | IF ( av == 0 ) THEN |
---|
1530 | to_be_resorted => nc |
---|
1531 | ELSE |
---|
1532 | IF ( .NOT. ALLOCATED( nc_av ) ) THEN |
---|
1533 | ALLOCATE( nc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1534 | nc_av = REAL( fill_value, KIND = wp ) |
---|
1535 | ENDIF |
---|
1536 | to_be_resorted => nc_av |
---|
1537 | ENDIF |
---|
1538 | |
---|
1539 | CASE ( 'nr' ) |
---|
1540 | IF ( av == 0 ) THEN |
---|
1541 | to_be_resorted => nr |
---|
1542 | ELSE |
---|
1543 | IF ( .NOT. ALLOCATED( nr_av ) ) THEN |
---|
1544 | ALLOCATE( nr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1545 | nr_av = REAL( fill_value, KIND = wp ) |
---|
1546 | ENDIF |
---|
1547 | to_be_resorted => nr_av |
---|
1548 | ENDIF |
---|
1549 | |
---|
1550 | CASE ( 'prr' ) |
---|
1551 | IF ( av == 0 ) THEN |
---|
1552 | DO i = nxl, nxr |
---|
1553 | DO j = nys, nyn |
---|
1554 | DO k = nzb_do, nzt_do |
---|
1555 | local_pf(i,j,k) = prr(k,j,i) |
---|
1556 | ENDDO |
---|
1557 | ENDDO |
---|
1558 | ENDDO |
---|
1559 | ELSE |
---|
1560 | IF ( .NOT. ALLOCATED( prr_av ) ) THEN |
---|
1561 | ALLOCATE( prr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1562 | prr_av = REAL( fill_value, KIND = wp ) |
---|
1563 | ENDIF |
---|
1564 | DO i = nxl, nxr |
---|
1565 | DO j = nys, nyn |
---|
1566 | DO k = nzb_do, nzt_do |
---|
1567 | local_pf(i,j,k) = prr_av(k,j,i) |
---|
1568 | ENDDO |
---|
1569 | ENDDO |
---|
1570 | ENDDO |
---|
1571 | ENDIF |
---|
1572 | resorted = .TRUE. |
---|
1573 | |
---|
1574 | CASE ( 'qc' ) |
---|
1575 | IF ( av == 0 ) THEN |
---|
1576 | to_be_resorted => qc |
---|
1577 | ELSE |
---|
1578 | IF ( .NOT. ALLOCATED( qc_av ) ) THEN |
---|
1579 | ALLOCATE( qc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1580 | qc_av = REAL( fill_value, KIND = wp ) |
---|
1581 | ENDIF |
---|
1582 | to_be_resorted => qc_av |
---|
1583 | ENDIF |
---|
1584 | |
---|
1585 | CASE ( 'ql' ) |
---|
1586 | IF ( av == 0 ) THEN |
---|
1587 | to_be_resorted => ql |
---|
1588 | ELSE |
---|
1589 | IF ( .NOT. ALLOCATED( ql_av ) ) THEN |
---|
1590 | ALLOCATE( ql_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1591 | ql_av = REAL( fill_value, KIND = wp ) |
---|
1592 | ENDIF |
---|
1593 | to_be_resorted => ql_av |
---|
1594 | ENDIF |
---|
1595 | |
---|
1596 | CASE ( 'qr' ) |
---|
1597 | IF ( av == 0 ) THEN |
---|
1598 | to_be_resorted => qr |
---|
1599 | ELSE |
---|
1600 | IF ( .NOT. ALLOCATED( qr_av ) ) THEN |
---|
1601 | ALLOCATE( qr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1602 | qr_av = REAL( fill_value, KIND = wp ) |
---|
1603 | ENDIF |
---|
1604 | to_be_resorted => qr_av |
---|
1605 | ENDIF |
---|
1606 | |
---|
1607 | CASE DEFAULT |
---|
1608 | found = .FALSE. |
---|
1609 | |
---|
1610 | END SELECT |
---|
1611 | |
---|
1612 | |
---|
1613 | IF ( found .AND. .NOT. resorted ) THEN |
---|
1614 | DO i = nxl, nxr |
---|
1615 | DO j = nys, nyn |
---|
1616 | DO k = nzb_do, nzt_do |
---|
1617 | local_pf(i,j,k) = MERGE( & |
---|
1618 | to_be_resorted(k,j,i), & |
---|
1619 | REAL( fill_value, KIND = wp ), & |
---|
1620 | BTEST( wall_flags_0(k,j,i), flag_nr ) & |
---|
1621 | ) |
---|
1622 | ENDDO |
---|
1623 | ENDDO |
---|
1624 | ENDDO |
---|
1625 | ENDIF |
---|
1626 | |
---|
1627 | END SUBROUTINE bcm_data_output_3d |
---|
1628 | |
---|
1629 | |
---|
1630 | !------------------------------------------------------------------------------! |
---|
1631 | ! Description: |
---|
1632 | ! ------------ |
---|
1633 | !> This routine reads the respective restart data for the bulk cloud module. |
---|
1634 | !------------------------------------------------------------------------------! |
---|
1635 | SUBROUTINE bcm_rrd_global( found ) |
---|
1636 | |
---|
1637 | |
---|
1638 | USE control_parameters, & |
---|
1639 | ONLY: length, restart_string |
---|
1640 | |
---|
1641 | |
---|
1642 | IMPLICIT NONE |
---|
1643 | |
---|
1644 | LOGICAL, INTENT(OUT) :: found |
---|
1645 | |
---|
1646 | |
---|
1647 | found = .TRUE. |
---|
1648 | |
---|
1649 | SELECT CASE ( restart_string(1:length) ) |
---|
1650 | |
---|
1651 | CASE ( 'c_sedimentation' ) |
---|
1652 | READ ( 13 ) c_sedimentation |
---|
1653 | |
---|
1654 | CASE ( 'bulk_cloud_model' ) |
---|
1655 | READ ( 13 ) bulk_cloud_model |
---|
1656 | |
---|
1657 | CASE ( 'cloud_scheme' ) |
---|
1658 | READ ( 13 ) cloud_scheme |
---|
1659 | |
---|
1660 | CASE ( 'cloud_water_sedimentation' ) |
---|
1661 | READ ( 13 ) cloud_water_sedimentation |
---|
1662 | |
---|
1663 | CASE ( 'collision_turbulence' ) |
---|
1664 | READ ( 13 ) collision_turbulence |
---|
1665 | |
---|
1666 | CASE ( 'limiter_sedimentation' ) |
---|
1667 | READ ( 13 ) limiter_sedimentation |
---|
1668 | |
---|
1669 | CASE ( 'nc_const' ) |
---|
1670 | READ ( 13 ) nc_const |
---|
1671 | |
---|
1672 | CASE ( 'precipitation' ) |
---|
1673 | READ ( 13 ) precipitation |
---|
1674 | |
---|
1675 | CASE ( 'ventilation_effect' ) |
---|
1676 | READ ( 13 ) ventilation_effect |
---|
1677 | |
---|
1678 | CASE ( 'na_init' ) |
---|
1679 | READ ( 13 ) na_init |
---|
1680 | |
---|
1681 | CASE ( 'dry_aerosol_radius' ) |
---|
1682 | READ ( 13 ) dry_aerosol_radius |
---|
1683 | |
---|
1684 | CASE ( 'sigma_bulk' ) |
---|
1685 | READ ( 13 ) sigma_bulk |
---|
1686 | |
---|
1687 | CASE ( 'aerosol_bulk' ) |
---|
1688 | READ ( 13 ) aerosol_bulk |
---|
1689 | |
---|
1690 | CASE ( 'curvature_solution_effects_bulk' ) |
---|
1691 | READ ( 13 ) curvature_solution_effects_bulk |
---|
1692 | |
---|
1693 | |
---|
1694 | ! CASE ( 'global_paramter' ) |
---|
1695 | ! READ ( 13 ) global_parameter |
---|
1696 | ! CASE ( 'global_array' ) |
---|
1697 | ! IF ( .NOT. ALLOCATED( global_array ) ) ALLOCATE( global_array(1:10) ) |
---|
1698 | ! READ ( 13 ) global_array |
---|
1699 | |
---|
1700 | CASE DEFAULT |
---|
1701 | |
---|
1702 | found = .FALSE. |
---|
1703 | |
---|
1704 | END SELECT |
---|
1705 | |
---|
1706 | |
---|
1707 | END SUBROUTINE bcm_rrd_global |
---|
1708 | |
---|
1709 | |
---|
1710 | !------------------------------------------------------------------------------! |
---|
1711 | ! Description: |
---|
1712 | ! ------------ |
---|
1713 | !> This routine reads the respective restart data for the bulk cloud module. |
---|
1714 | !------------------------------------------------------------------------------! |
---|
1715 | SUBROUTINE bcm_rrd_local( k, nxlf, nxlc, nxl_on_file, nxrf, nxrc, & |
---|
1716 | nxr_on_file, nynf, nync, nyn_on_file, nysf, & |
---|
1717 | nysc, nys_on_file, tmp_2d, tmp_3d, found ) |
---|
1718 | |
---|
1719 | |
---|
1720 | USE control_parameters |
---|
1721 | |
---|
1722 | USE indices |
---|
1723 | |
---|
1724 | USE pegrid |
---|
1725 | |
---|
1726 | |
---|
1727 | IMPLICIT NONE |
---|
1728 | |
---|
1729 | INTEGER(iwp) :: k !< |
---|
1730 | INTEGER(iwp) :: nxlc !< |
---|
1731 | INTEGER(iwp) :: nxlf !< |
---|
1732 | INTEGER(iwp) :: nxl_on_file !< |
---|
1733 | INTEGER(iwp) :: nxrc !< |
---|
1734 | INTEGER(iwp) :: nxrf !< |
---|
1735 | INTEGER(iwp) :: nxr_on_file !< |
---|
1736 | INTEGER(iwp) :: nync !< |
---|
1737 | INTEGER(iwp) :: nynf !< |
---|
1738 | INTEGER(iwp) :: nyn_on_file !< |
---|
1739 | INTEGER(iwp) :: nysc !< |
---|
1740 | INTEGER(iwp) :: nysf !< |
---|
1741 | INTEGER(iwp) :: nys_on_file !< |
---|
1742 | |
---|
1743 | LOGICAL, INTENT(OUT) :: found |
---|
1744 | |
---|
1745 | REAL(wp), DIMENSION(nys_on_file-nbgp:nyn_on_file+nbgp,nxl_on_file-nbgp:nxr_on_file+nbgp) :: tmp_2d !< |
---|
1746 | REAL(wp), DIMENSION(nzb:nzt+1,nys_on_file-nbgp:nyn_on_file+nbgp,nxl_on_file-nbgp:nxr_on_file+nbgp) :: tmp_3d !< |
---|
1747 | |
---|
1748 | ! |
---|
1749 | !-- Here the reading of user-defined restart data follows: |
---|
1750 | !-- Sample for user-defined output |
---|
1751 | |
---|
1752 | |
---|
1753 | found = .TRUE. |
---|
1754 | |
---|
1755 | SELECT CASE ( restart_string(1:length) ) |
---|
1756 | |
---|
1757 | CASE ( 'nc' ) |
---|
1758 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1759 | nc(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1760 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1761 | |
---|
1762 | CASE ( 'nc_av' ) |
---|
1763 | IF ( .NOT. ALLOCATED( nc_av ) ) THEN |
---|
1764 | ALLOCATE( nc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1765 | ENDIF |
---|
1766 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1767 | nc_av(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1768 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1769 | |
---|
1770 | CASE ( 'nr' ) |
---|
1771 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1772 | nr(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1773 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1774 | |
---|
1775 | CASE ( 'nr_av' ) |
---|
1776 | IF ( .NOT. ALLOCATED( nr_av ) ) THEN |
---|
1777 | ALLOCATE( nr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1778 | ENDIF |
---|
1779 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1780 | nr_av(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1781 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1782 | |
---|
1783 | CASE ( 'precipitation_amount' ) |
---|
1784 | IF ( k == 1 ) READ ( 13 ) tmp_2d |
---|
1785 | precipitation_amount(nysc-nbgp:nync+nbgp, & |
---|
1786 | nxlc-nbgp:nxrc+nbgp) = & |
---|
1787 | tmp_2d(nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1788 | |
---|
1789 | CASE ( 'prr' ) |
---|
1790 | IF ( .NOT. ALLOCATED( prr ) ) THEN |
---|
1791 | ALLOCATE( prr(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1792 | ENDIF |
---|
1793 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1794 | prr(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1795 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1796 | |
---|
1797 | CASE ( 'prr_av' ) |
---|
1798 | IF ( .NOT. ALLOCATED( prr_av ) ) THEN |
---|
1799 | ALLOCATE( prr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1800 | ENDIF |
---|
1801 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1802 | prr_av(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1803 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1804 | |
---|
1805 | CASE ( 'qc' ) |
---|
1806 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1807 | qc(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1808 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1809 | |
---|
1810 | CASE ( 'qc_av' ) |
---|
1811 | IF ( .NOT. ALLOCATED( qc_av ) ) THEN |
---|
1812 | ALLOCATE( qc_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1813 | ENDIF |
---|
1814 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1815 | qc_av(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1816 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1817 | |
---|
1818 | CASE ( 'ql' ) |
---|
1819 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1820 | ql(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1821 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1822 | |
---|
1823 | CASE ( 'ql_av' ) |
---|
1824 | IF ( .NOT. ALLOCATED( ql_av ) ) THEN |
---|
1825 | ALLOCATE( ql_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1826 | ENDIF |
---|
1827 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1828 | ql_av(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1829 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1830 | |
---|
1831 | CASE ( 'qr' ) |
---|
1832 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1833 | qr(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1834 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1835 | |
---|
1836 | CASE ( 'qr_av' ) |
---|
1837 | IF ( .NOT. ALLOCATED( qr_av ) ) THEN |
---|
1838 | ALLOCATE( qr_av(nzb:nzt+1,nysg:nyng,nxlg:nxrg) ) |
---|
1839 | ENDIF |
---|
1840 | IF ( k == 1 ) READ ( 13 ) tmp_3d |
---|
1841 | qr_av(:,nysc-nbgp:nync+nbgp,nxlc-nbgp:nxrc+nbgp) = & |
---|
1842 | tmp_3d(:,nysf-nbgp:nynf+nbgp,nxlf-nbgp:nxrf+nbgp) |
---|
1843 | ! |
---|
1844 | CASE DEFAULT |
---|
1845 | |
---|
1846 | found = .FALSE. |
---|
1847 | |
---|
1848 | END SELECT |
---|
1849 | |
---|
1850 | |
---|
1851 | END SUBROUTINE bcm_rrd_local |
---|
1852 | |
---|
1853 | |
---|
1854 | !------------------------------------------------------------------------------! |
---|
1855 | ! Description: |
---|
1856 | ! ------------ |
---|
1857 | !> This routine writes the respective restart data for the bulk cloud module. |
---|
1858 | !------------------------------------------------------------------------------! |
---|
1859 | SUBROUTINE bcm_wrd_global |
---|
1860 | |
---|
1861 | |
---|
1862 | IMPLICIT NONE |
---|
1863 | |
---|
1864 | CALL wrd_write_string( 'c_sedimentation' ) |
---|
1865 | WRITE ( 14 ) c_sedimentation |
---|
1866 | |
---|
1867 | CALL wrd_write_string( 'bulk_cloud_model' ) |
---|
1868 | WRITE ( 14 ) bulk_cloud_model |
---|
1869 | |
---|
1870 | CALL wrd_write_string( 'cloud_scheme' ) |
---|
1871 | WRITE ( 14 ) cloud_scheme |
---|
1872 | |
---|
1873 | CALL wrd_write_string( 'cloud_water_sedimentation' ) |
---|
1874 | WRITE ( 14 ) cloud_water_sedimentation |
---|
1875 | |
---|
1876 | CALL wrd_write_string( 'collision_turbulence' ) |
---|
1877 | WRITE ( 14 ) collision_turbulence |
---|
1878 | |
---|
1879 | CALL wrd_write_string( 'limiter_sedimentation' ) |
---|
1880 | WRITE ( 14 ) limiter_sedimentation |
---|
1881 | |
---|
1882 | CALL wrd_write_string( 'nc_const' ) |
---|
1883 | WRITE ( 14 ) nc_const |
---|
1884 | |
---|
1885 | CALL wrd_write_string( 'precipitation' ) |
---|
1886 | WRITE ( 14 ) precipitation |
---|
1887 | |
---|
1888 | CALL wrd_write_string( 'ventilation_effect' ) |
---|
1889 | WRITE ( 14 ) ventilation_effect |
---|
1890 | |
---|
1891 | CALL wrd_write_string( 'na_init' ) |
---|
1892 | WRITE ( 14 ) na_init |
---|
1893 | |
---|
1894 | CALL wrd_write_string( 'dry_aerosol_radius' ) |
---|
1895 | WRITE ( 14 ) dry_aerosol_radius |
---|
1896 | |
---|
1897 | CALL wrd_write_string( 'sigma_bulk' ) |
---|
1898 | WRITE ( 14 ) sigma_bulk |
---|
1899 | |
---|
1900 | CALL wrd_write_string( 'aerosol_bulk' ) |
---|
1901 | WRITE ( 14 ) aerosol_bulk |
---|
1902 | |
---|
1903 | CALL wrd_write_string( 'curvature_solution_effects_bulk' ) |
---|
1904 | WRITE ( 14 ) curvature_solution_effects_bulk |
---|
1905 | |
---|
1906 | |
---|
1907 | ! needs preceeding allocation if array |
---|
1908 | ! CALL wrd_write_string( 'global_parameter' ) |
---|
1909 | ! WRITE ( 14 ) global_parameter |
---|
1910 | |
---|
1911 | ! IF ( ALLOCATED( inflow_damping_factor ) ) THEN |
---|
1912 | ! CALL wrd_write_string( 'inflow_damping_factor' ) |
---|
1913 | ! WRITE ( 14 ) inflow_damping_factor |
---|
1914 | ! ENDIF |
---|
1915 | |
---|
1916 | |
---|
1917 | END SUBROUTINE bcm_wrd_global |
---|
1918 | |
---|
1919 | |
---|
1920 | !------------------------------------------------------------------------------! |
---|
1921 | ! Description: |
---|
1922 | ! ------------ |
---|
1923 | !> This routine writes the respective restart data for the bulk cloud module. |
---|
1924 | !------------------------------------------------------------------------------! |
---|
1925 | SUBROUTINE bcm_wrd_local |
---|
1926 | |
---|
1927 | |
---|
1928 | IMPLICIT NONE |
---|
1929 | |
---|
1930 | IF ( ALLOCATED( prr ) ) THEN |
---|
1931 | CALL wrd_write_string( 'prr' ) |
---|
1932 | WRITE ( 14 ) prr |
---|
1933 | ENDIF |
---|
1934 | |
---|
1935 | IF ( ALLOCATED( prr_av ) ) THEN |
---|
1936 | CALL wrd_write_string( 'prr_av' ) |
---|
1937 | WRITE ( 14 ) prr_av |
---|
1938 | ENDIF |
---|
1939 | |
---|
1940 | IF ( ALLOCATED( precipitation_amount ) ) THEN |
---|
1941 | CALL wrd_write_string( 'precipitation_amount' ) |
---|
1942 | WRITE ( 14 ) precipitation_amount |
---|
1943 | ENDIF |
---|
1944 | |
---|
1945 | CALL wrd_write_string( 'ql' ) |
---|
1946 | WRITE ( 14 ) ql |
---|
1947 | |
---|
1948 | IF ( ALLOCATED( ql_av ) ) THEN |
---|
1949 | CALL wrd_write_string( 'ql_av' ) |
---|
1950 | WRITE ( 14 ) ql_av |
---|
1951 | ENDIF |
---|
1952 | |
---|
1953 | CALL wrd_write_string( 'qc' ) |
---|
1954 | WRITE ( 14 ) qc |
---|
1955 | |
---|
1956 | IF ( ALLOCATED( qc_av ) ) THEN |
---|
1957 | CALL wrd_write_string( 'qc_av' ) |
---|
1958 | WRITE ( 14 ) qc_av |
---|
1959 | ENDIF |
---|
1960 | |
---|
1961 | IF ( microphysics_morrison ) THEN |
---|
1962 | |
---|
1963 | CALL wrd_write_string( 'nc' ) |
---|
1964 | WRITE ( 14 ) nc |
---|
1965 | |
---|
1966 | IF ( ALLOCATED( nc_av ) ) THEN |
---|
1967 | CALL wrd_write_string( 'nc_av' ) |
---|
1968 | WRITE ( 14 ) nc_av |
---|
1969 | ENDIF |
---|
1970 | |
---|
1971 | ENDIF |
---|
1972 | |
---|
1973 | IF ( microphysics_seifert ) THEN |
---|
1974 | |
---|
1975 | CALL wrd_write_string( 'nr' ) |
---|
1976 | WRITE ( 14 ) nr |
---|
1977 | |
---|
1978 | IF ( ALLOCATED( nr_av ) ) THEN |
---|
1979 | CALL wrd_write_string( 'nr_av' ) |
---|
1980 | WRITE ( 14 ) nr_av |
---|
1981 | ENDIF |
---|
1982 | |
---|
1983 | CALL wrd_write_string( 'qr' ) |
---|
1984 | WRITE ( 14 ) qr |
---|
1985 | |
---|
1986 | IF ( ALLOCATED( qr_av ) ) THEN |
---|
1987 | CALL wrd_write_string( 'qr_av' ) |
---|
1988 | WRITE ( 14 ) qr_av |
---|
1989 | ENDIF |
---|
1990 | |
---|
1991 | ENDIF |
---|
1992 | |
---|
1993 | |
---|
1994 | END SUBROUTINE bcm_wrd_local |
---|
1995 | |
---|
1996 | |
---|
1997 | !------------------------------------------------------------------------------! |
---|
1998 | ! Description: |
---|
1999 | ! ------------ |
---|
2000 | !> Control of microphysics for all grid points |
---|
2001 | !------------------------------------------------------------------------------! |
---|
2002 | SUBROUTINE bcm_actions |
---|
2003 | |
---|
2004 | IMPLICIT NONE |
---|
2005 | |
---|
2006 | IF ( large_scale_forcing .AND. lsf_surf ) THEN |
---|
2007 | ! |
---|
2008 | !-- Calculate vertical profile of the hydrostatic pressure (hyp) |
---|
2009 | hyp = barometric_formula(zu, pt_surface * exner_function(surface_pressure * 100.0_wp), surface_pressure * 100.0_wp) |
---|
2010 | d_exner = exner_function_invers(hyp) |
---|
2011 | exner = 1.0_wp / exner_function_invers(hyp) |
---|
2012 | hyrho = ideal_gas_law_rho_pt(hyp, pt_init) |
---|
2013 | ! |
---|
2014 | !-- Compute reference density |
---|
2015 | rho_surface = ideal_gas_law_rho(surface_pressure * 100.0_wp, pt_surface * exner_function(surface_pressure * 100.0_wp)) |
---|
2016 | ENDIF |
---|
2017 | |
---|
2018 | ! |
---|
2019 | !-- Compute length of time step |
---|
2020 | IF ( call_microphysics_at_all_substeps ) THEN |
---|
2021 | dt_micro = dt_3d * weight_pres(intermediate_timestep_count) |
---|
2022 | ELSE |
---|
2023 | dt_micro = dt_3d |
---|
2024 | ENDIF |
---|
2025 | |
---|
2026 | ! |
---|
2027 | !-- Reset precipitation rate |
---|
2028 | IF ( intermediate_timestep_count == 1 ) prr = 0.0_wp |
---|
2029 | |
---|
2030 | ! |
---|
2031 | !-- Compute cloud physics |
---|
2032 | IF ( microphysics_kessler ) THEN |
---|
2033 | |
---|
2034 | CALL autoconversion_kessler |
---|
2035 | IF ( cloud_water_sedimentation ) CALL sedimentation_cloud |
---|
2036 | |
---|
2037 | ELSEIF ( microphysics_seifert ) THEN |
---|
2038 | |
---|
2039 | CALL adjust_cloud |
---|
2040 | IF ( microphysics_morrison ) CALL activation |
---|
2041 | IF ( microphysics_morrison ) CALL condensation |
---|
2042 | CALL autoconversion |
---|
2043 | CALL accretion |
---|
2044 | CALL selfcollection_breakup |
---|
2045 | CALL evaporation_rain |
---|
2046 | CALL sedimentation_rain |
---|
2047 | IF ( cloud_water_sedimentation ) CALL sedimentation_cloud |
---|
2048 | |
---|
2049 | ENDIF |
---|
2050 | |
---|
2051 | CALL calc_precipitation_amount |
---|
2052 | |
---|
2053 | END SUBROUTINE bcm_actions |
---|
2054 | |
---|
2055 | !------------------------------------------------------------------------------! |
---|
2056 | ! Description: |
---|
2057 | ! ------------ |
---|
2058 | !> Adjust number of raindrops to avoid nonlinear effects in sedimentation and |
---|
2059 | !> evaporation of rain drops due to too small or too big weights |
---|
2060 | !> of rain drops (Stevens and Seifert, 2008). |
---|
2061 | !------------------------------------------------------------------------------! |
---|
2062 | SUBROUTINE adjust_cloud |
---|
2063 | |
---|
2064 | IMPLICIT NONE |
---|
2065 | |
---|
2066 | INTEGER(iwp) :: i !< |
---|
2067 | INTEGER(iwp) :: j !< |
---|
2068 | INTEGER(iwp) :: k !< |
---|
2069 | |
---|
2070 | REAL(wp) :: flag !< flag to indicate first grid level above |
---|
2071 | |
---|
2072 | CALL cpu_log( log_point_s(50), 'adjust_cloud', 'start' ) |
---|
2073 | |
---|
2074 | DO i = nxlg, nxrg |
---|
2075 | DO j = nysg, nyng |
---|
2076 | DO k = nzb+1, nzt |
---|
2077 | ! |
---|
2078 | !-- Predetermine flag to mask topography |
---|
2079 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2080 | |
---|
2081 | IF ( qr(k,j,i) <= eps_sb ) THEN |
---|
2082 | qr(k,j,i) = 0.0_wp |
---|
2083 | nr(k,j,i) = 0.0_wp |
---|
2084 | ELSE |
---|
2085 | IF ( nr(k,j,i) * xrmin > qr(k,j,i) * hyrho(k) ) THEN |
---|
2086 | nr(k,j,i) = qr(k,j,i) * hyrho(k) / xrmin * flag |
---|
2087 | ELSEIF ( nr(k,j,i) * xrmax < qr(k,j,i) * hyrho(k) ) THEN |
---|
2088 | nr(k,j,i) = qr(k,j,i) * hyrho(k) / xrmax * flag |
---|
2089 | ENDIF |
---|
2090 | ENDIF |
---|
2091 | |
---|
2092 | IF ( microphysics_morrison ) THEN |
---|
2093 | IF ( qc(k,j,i) <= eps_sb ) THEN |
---|
2094 | qc(k,j,i) = 0.0_wp |
---|
2095 | nc(k,j,i) = 0.0_wp |
---|
2096 | ELSE |
---|
2097 | IF ( nc(k,j,i) * xcmin > qc(k,j,i) * hyrho(k) ) THEN |
---|
2098 | nc(k,j,i) = qc(k,j,i) * hyrho(k) / xcmin * flag |
---|
2099 | ENDIF |
---|
2100 | ENDIF |
---|
2101 | ENDIF |
---|
2102 | |
---|
2103 | ENDDO |
---|
2104 | ENDDO |
---|
2105 | ENDDO |
---|
2106 | |
---|
2107 | CALL cpu_log( log_point_s(50), 'adjust_cloud', 'stop' ) |
---|
2108 | |
---|
2109 | END SUBROUTINE adjust_cloud |
---|
2110 | |
---|
2111 | !------------------------------------------------------------------------------! |
---|
2112 | ! Description: |
---|
2113 | ! ------------ |
---|
2114 | !> Calculate number of activated condensation nucleii after simple activation |
---|
2115 | !> scheme of Twomey, 1959. |
---|
2116 | !------------------------------------------------------------------------------! |
---|
2117 | SUBROUTINE activation |
---|
2118 | |
---|
2119 | IMPLICIT NONE |
---|
2120 | |
---|
2121 | INTEGER(iwp) :: i !< |
---|
2122 | INTEGER(iwp) :: j !< |
---|
2123 | INTEGER(iwp) :: k !< |
---|
2124 | |
---|
2125 | REAL(wp) :: activ !< |
---|
2126 | REAL(wp) :: afactor !< |
---|
2127 | REAL(wp) :: beta_act !< |
---|
2128 | REAL(wp) :: bfactor !< |
---|
2129 | REAL(wp) :: k_act !< |
---|
2130 | REAL(wp) :: n_act !< |
---|
2131 | REAL(wp) :: n_ccn !< |
---|
2132 | REAL(wp) :: s_0 !< |
---|
2133 | REAL(wp) :: sat_max !< |
---|
2134 | REAL(wp) :: sigma !< |
---|
2135 | REAL(wp) :: sigma_act !< |
---|
2136 | |
---|
2137 | REAL(wp) :: flag !< flag to indicate first grid level above |
---|
2138 | |
---|
2139 | CALL cpu_log( log_point_s(65), 'activation', 'start' ) |
---|
2140 | |
---|
2141 | DO i = nxlg, nxrg |
---|
2142 | DO j = nysg, nyng |
---|
2143 | DO k = nzb+1, nzt |
---|
2144 | ! |
---|
2145 | !-- Predetermine flag to mask topography |
---|
2146 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2147 | |
---|
2148 | ! |
---|
2149 | !-- Call calculation of supersaturation located in subroutine |
---|
2150 | CALL supersaturation ( i, j, k ) |
---|
2151 | ! |
---|
2152 | !-- Prescribe parameters for activation |
---|
2153 | !-- (see: Bott + Trautmann, 2002, Atm. Res., 64) |
---|
2154 | k_act = 0.7_wp |
---|
2155 | activ = 0.0_wp |
---|
2156 | |
---|
2157 | |
---|
2158 | IF ( sat > 0.0 .AND. .NOT. curvature_solution_effects_bulk ) THEN |
---|
2159 | ! |
---|
2160 | !-- Compute the number of activated Aerosols |
---|
2161 | !-- (see: Twomey, 1959, Pure and applied Geophysics, 43) |
---|
2162 | n_act = na_init * sat**k_act |
---|
2163 | ! |
---|
2164 | !-- Compute the number of cloud droplets |
---|
2165 | !-- (see: Morrison + Grabowski, 2007, JAS, 64) |
---|
2166 | ! activ = MAX( n_act - nc(k,j,i), 0.0_wp) / dt_micro |
---|
2167 | |
---|
2168 | ! |
---|
2169 | !-- Compute activation rate after Khairoutdinov and Kogan |
---|
2170 | !-- (see: Khairoutdinov + Kogan, 2000, Mon. Wea. Rev., 128) |
---|
2171 | sat_max = 1.0_wp / 100.0_wp |
---|
2172 | activ = MAX( 0.0_wp, ( (na_init + nc(k,j,i) ) * MIN & |
---|
2173 | ( 1.0_wp, ( sat / sat_max )**k_act) - nc(k,j,i) ) ) / & |
---|
2174 | dt_micro |
---|
2175 | ELSEIF ( sat > 0.0 .AND. curvature_solution_effects_bulk ) THEN |
---|
2176 | ! |
---|
2177 | !-- Curvature effect (afactor) with surface tension |
---|
2178 | !-- parameterization by Straka (2009) |
---|
2179 | sigma = 0.0761_wp - 0.000155_wp * ( t_l - 273.15_wp ) |
---|
2180 | afactor = 2.0_wp * sigma / ( rho_l * r_v * t_l ) |
---|
2181 | ! |
---|
2182 | !-- Solute effect (bfactor) |
---|
2183 | bfactor = vanthoff * molecular_weight_of_water * & |
---|
2184 | rho_s / ( molecular_weight_of_solute * rho_l ) |
---|
2185 | |
---|
2186 | ! |
---|
2187 | !-- Prescribe power index that describes the soluble fraction |
---|
2188 | !-- of an aerosol particle (beta) |
---|
2189 | !-- (see: Morrison + Grabowski, 2007, JAS, 64) |
---|
2190 | beta_act = 0.5_wp |
---|
2191 | sigma_act = sigma_bulk**( 1.0_wp + beta_act ) |
---|
2192 | ! |
---|
2193 | !-- Calculate mean geometric supersaturation (s_0) with |
---|
2194 | !-- parameterization by Khvorostyanov and Curry (2006) |
---|
2195 | s_0 = dry_aerosol_radius **(- ( 1.0_wp + beta_act ) ) * & |
---|
2196 | ( 4.0_wp * afactor**3 / ( 27.0_wp * bfactor ) )**0.5_wp |
---|
2197 | |
---|
2198 | ! |
---|
2199 | !-- Calculate number of activated CCN as a function of |
---|
2200 | !-- supersaturation and taking Koehler theory into account |
---|
2201 | !-- (see: Khvorostyanov + Curry, 2006, J. Geo. Res., 111) |
---|
2202 | n_ccn = ( na_init / 2.0_wp ) * ( 1.0_wp - ERF( & |
---|
2203 | LOG( s_0 / sat ) / ( SQRT(2.0_wp) * LOG(sigma_act) ) ) ) |
---|
2204 | activ = MAX( ( n_ccn - nc(k,j,i) ) / dt_micro, 0.0_wp ) |
---|
2205 | ENDIF |
---|
2206 | |
---|
2207 | nc(k,j,i) = MIN( (nc(k,j,i) + activ * dt_micro * flag), na_init) |
---|
2208 | |
---|
2209 | ENDDO |
---|
2210 | ENDDO |
---|
2211 | ENDDO |
---|
2212 | |
---|
2213 | CALL cpu_log( log_point_s(65), 'activation', 'stop' ) |
---|
2214 | |
---|
2215 | END SUBROUTINE activation |
---|
2216 | |
---|
2217 | |
---|
2218 | !------------------------------------------------------------------------------! |
---|
2219 | ! Description: |
---|
2220 | ! ------------ |
---|
2221 | !> Calculate condensation rate for cloud water content (after Khairoutdinov and |
---|
2222 | !> Kogan, 2000). |
---|
2223 | !------------------------------------------------------------------------------! |
---|
2224 | SUBROUTINE condensation |
---|
2225 | |
---|
2226 | IMPLICIT NONE |
---|
2227 | |
---|
2228 | INTEGER(iwp) :: i !< |
---|
2229 | INTEGER(iwp) :: j !< |
---|
2230 | INTEGER(iwp) :: k !< |
---|
2231 | |
---|
2232 | REAL(wp) :: cond !< |
---|
2233 | REAL(wp) :: cond_max !< |
---|
2234 | REAL(wp) :: dc !< |
---|
2235 | REAL(wp) :: evap !< |
---|
2236 | REAL(wp) :: g_fac !< |
---|
2237 | REAL(wp) :: nc_0 !< |
---|
2238 | REAL(wp) :: temp !< |
---|
2239 | REAL(wp) :: xc !< |
---|
2240 | |
---|
2241 | REAL(wp) :: flag !< flag to indicate first grid level above |
---|
2242 | |
---|
2243 | CALL cpu_log( log_point_s(66), 'condensation', 'start' ) |
---|
2244 | |
---|
2245 | DO i = nxlg, nxrg |
---|
2246 | DO j = nysg, nyng |
---|
2247 | DO k = nzb+1, nzt |
---|
2248 | ! |
---|
2249 | !-- Predetermine flag to mask topography |
---|
2250 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2251 | ! |
---|
2252 | !-- Call calculation of supersaturation |
---|
2253 | CALL supersaturation ( i, j, k ) |
---|
2254 | ! |
---|
2255 | !-- Actual temperature: |
---|
2256 | temp = t_l + lv_d_cp * ( qc(k,j,i) + qr(k,j,i) ) |
---|
2257 | |
---|
2258 | g_fac = 1.0_wp / ( ( l_v / ( r_v * temp ) - 1.0_wp ) * & |
---|
2259 | l_v / ( thermal_conductivity_l * temp ) & |
---|
2260 | + r_v * temp / ( diff_coeff_l * e_s ) & |
---|
2261 | ) |
---|
2262 | ! |
---|
2263 | !-- Mean weight of cloud drops |
---|
2264 | IF ( nc(k,j,i) <= 0.0_wp) CYCLE |
---|
2265 | xc = MAX( (hyrho(k) * qc(k,j,i) / nc(k,j,i)), xcmin) |
---|
2266 | ! |
---|
2267 | !-- Weight averaged diameter of cloud drops: |
---|
2268 | dc = ( xc * dpirho_l )**( 1.0_wp / 3.0_wp ) |
---|
2269 | ! |
---|
2270 | !-- Integral diameter of cloud drops |
---|
2271 | nc_0 = nc(k,j,i) * dc |
---|
2272 | ! |
---|
2273 | !-- Condensation needs only to be calculated in supersaturated regions |
---|
2274 | IF ( sat > 0.0_wp ) THEN |
---|
2275 | ! |
---|
2276 | !-- Condensation rate of cloud water content |
---|
2277 | !-- after KK scheme. |
---|
2278 | !-- (see: Khairoutdinov + Kogan, 2000, Mon. Wea. Rev.,128) |
---|
2279 | cond = 2.0_wp * pi * nc_0 * g_fac * sat / hyrho(k) |
---|
2280 | cond_max = q(k,j,i) - q_s - qc(k,j,i) - qr(k,j,i) |
---|
2281 | cond = MIN( cond, cond_max / dt_micro ) |
---|
2282 | |
---|
2283 | qc(k,j,i) = qc(k,j,i) + cond * dt_micro * flag |
---|
2284 | ELSEIF ( sat < 0.0_wp ) THEN |
---|
2285 | evap = 2.0_wp * pi * nc_0 * g_fac * sat / hyrho(k) |
---|
2286 | evap = MAX( evap, -qc(k,j,i) / dt_micro ) |
---|
2287 | |
---|
2288 | qc(k,j,i) = qc(k,j,i) + evap * dt_micro * flag |
---|
2289 | ENDIF |
---|
2290 | IF ( nc(k,j,i) * xcmin > qc(k,j,i) * hyrho(k) ) THEN |
---|
2291 | nc(k,j,i) = qc(k,j,i) * hyrho(k) / xcmin |
---|
2292 | ENDIF |
---|
2293 | ENDDO |
---|
2294 | ENDDO |
---|
2295 | ENDDO |
---|
2296 | |
---|
2297 | CALL cpu_log( log_point_s(66), 'condensation', 'stop' ) |
---|
2298 | |
---|
2299 | END SUBROUTINE condensation |
---|
2300 | |
---|
2301 | |
---|
2302 | !------------------------------------------------------------------------------! |
---|
2303 | ! Description: |
---|
2304 | ! ------------ |
---|
2305 | !> Autoconversion rate (Seifert and Beheng, 2006). |
---|
2306 | !------------------------------------------------------------------------------! |
---|
2307 | SUBROUTINE autoconversion |
---|
2308 | |
---|
2309 | IMPLICIT NONE |
---|
2310 | |
---|
2311 | INTEGER(iwp) :: i !< |
---|
2312 | INTEGER(iwp) :: j !< |
---|
2313 | INTEGER(iwp) :: k !< |
---|
2314 | |
---|
2315 | REAL(wp) :: alpha_cc !< |
---|
2316 | REAL(wp) :: autocon !< |
---|
2317 | REAL(wp) :: dissipation !< |
---|
2318 | REAL(wp) :: flag !< flag to mask topography grid points |
---|
2319 | REAL(wp) :: k_au !< |
---|
2320 | REAL(wp) :: l_mix !< |
---|
2321 | REAL(wp) :: nc_auto !< |
---|
2322 | REAL(wp) :: nu_c !< |
---|
2323 | REAL(wp) :: phi_au !< |
---|
2324 | REAL(wp) :: r_cc !< |
---|
2325 | REAL(wp) :: rc !< |
---|
2326 | REAL(wp) :: re_lambda !< |
---|
2327 | REAL(wp) :: sigma_cc !< |
---|
2328 | REAL(wp) :: tau_cloud !< |
---|
2329 | REAL(wp) :: xc !< |
---|
2330 | |
---|
2331 | CALL cpu_log( log_point_s(47), 'autoconversion', 'start' ) |
---|
2332 | |
---|
2333 | DO i = nxlg, nxrg |
---|
2334 | DO j = nysg, nyng |
---|
2335 | DO k = nzb+1, nzt |
---|
2336 | ! |
---|
2337 | !-- Predetermine flag to mask topography |
---|
2338 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2339 | |
---|
2340 | IF ( microphysics_morrison ) THEN |
---|
2341 | nc_auto = nc(k,j,i) |
---|
2342 | ELSE |
---|
2343 | nc_auto = nc_const |
---|
2344 | ENDIF |
---|
2345 | |
---|
2346 | IF ( qc(k,j,i) > eps_sb .AND. nc_auto > eps_mr ) THEN |
---|
2347 | |
---|
2348 | k_au = k_cc / ( 20.0_wp * x0 ) |
---|
2349 | ! |
---|
2350 | !-- Intern time scale of coagulation (Seifert and Beheng, 2006): |
---|
2351 | !-- (1.0_wp - qc(k,j,i) / ( qc(k,j,i) + qr(k,j,i) )) |
---|
2352 | tau_cloud = MAX( 1.0_wp - qc(k,j,i) / ( qr(k,j,i) + & |
---|
2353 | qc(k,j,i) ), 0.0_wp ) |
---|
2354 | ! |
---|
2355 | !-- Universal function for autoconversion process |
---|
2356 | !-- (Seifert and Beheng, 2006): |
---|
2357 | phi_au = 600.0_wp * tau_cloud**0.68_wp * & |
---|
2358 | ( 1.0_wp - tau_cloud**0.68_wp )**3 |
---|
2359 | ! |
---|
2360 | !-- Shape parameter of gamma distribution (Geoffroy et al., 2010): |
---|
2361 | !-- (Use constant nu_c = 1.0_wp instead?) |
---|
2362 | nu_c = 1.0_wp !MAX( 0.0_wp, 1580.0_wp * hyrho(k) * qc(k,j,i) - 0.28_wp ) |
---|
2363 | ! |
---|
2364 | !-- Mean weight of cloud droplets: |
---|
2365 | xc = MAX( hyrho(k) * qc(k,j,i) / nc_auto, xcmin) |
---|
2366 | ! |
---|
2367 | !-- Parameterized turbulence effects on autoconversion (Seifert, |
---|
2368 | !-- Nuijens and Stevens, 2010) |
---|
2369 | IF ( collision_turbulence ) THEN |
---|
2370 | ! |
---|
2371 | !-- Weight averaged radius of cloud droplets: |
---|
2372 | rc = 0.5_wp * ( xc * dpirho_l )**( 1.0_wp / 3.0_wp ) |
---|
2373 | |
---|
2374 | alpha_cc = ( a_1 + a_2 * nu_c ) / ( 1.0_wp + a_3 * nu_c ) |
---|
2375 | r_cc = ( b_1 + b_2 * nu_c ) / ( 1.0_wp + b_3 * nu_c ) |
---|
2376 | sigma_cc = ( c_1 + c_2 * nu_c ) / ( 1.0_wp + c_3 * nu_c ) |
---|
2377 | ! |
---|
2378 | !-- Mixing length (neglecting distance to ground and |
---|
2379 | !-- stratification) |
---|
2380 | l_mix = ( dx * dy * dzu(k) )**( 1.0_wp / 3.0_wp ) |
---|
2381 | ! |
---|
2382 | !-- Limit dissipation rate according to Seifert, Nuijens and |
---|
2383 | !-- Stevens (2010) |
---|
2384 | dissipation = MIN( 0.06_wp, diss(k,j,i) ) |
---|
2385 | ! |
---|
2386 | !-- Compute Taylor-microscale Reynolds number: |
---|
2387 | re_lambda = 6.0_wp / 11.0_wp * & |
---|
2388 | ( l_mix / c_const )**( 2.0_wp / 3.0_wp ) * & |
---|
2389 | SQRT( 15.0_wp / kin_vis_air ) * & |
---|
2390 | dissipation**( 1.0_wp / 6.0_wp ) |
---|
2391 | ! |
---|
2392 | !-- The factor of 1.0E4 is needed to convert the dissipation |
---|
2393 | !-- rate from m2 s-3 to cm2 s-3. |
---|
2394 | k_au = k_au * ( 1.0_wp + & |
---|
2395 | dissipation * 1.0E4_wp * & |
---|
2396 | ( re_lambda * 1.0E-3_wp )**0.25_wp * & |
---|
2397 | ( alpha_cc * EXP( -1.0_wp * ( ( rc - & |
---|
2398 | r_cc ) / & |
---|
2399 | sigma_cc )**2 & |
---|
2400 | ) + beta_cc & |
---|
2401 | ) & |
---|
2402 | ) |
---|
2403 | ENDIF |
---|
2404 | ! |
---|
2405 | !-- Autoconversion rate (Seifert and Beheng, 2006): |
---|
2406 | autocon = k_au * ( nu_c + 2.0_wp ) * ( nu_c + 4.0_wp ) / & |
---|
2407 | ( nu_c + 1.0_wp )**2 * qc(k,j,i)**2 * xc**2 * & |
---|
2408 | ( 1.0_wp + phi_au / ( 1.0_wp - tau_cloud )**2 ) * & |
---|
2409 | rho_surface |
---|
2410 | autocon = MIN( autocon, qc(k,j,i) / dt_micro ) |
---|
2411 | |
---|
2412 | qr(k,j,i) = qr(k,j,i) + autocon * dt_micro * flag |
---|
2413 | qc(k,j,i) = qc(k,j,i) - autocon * dt_micro * flag |
---|
2414 | nr(k,j,i) = nr(k,j,i) + autocon / x0 * hyrho(k) * dt_micro & |
---|
2415 | * flag |
---|
2416 | IF ( microphysics_morrison ) THEN |
---|
2417 | nc(k,j,i) = nc(k,j,i) - MIN( nc(k,j,i), 2.0_wp * & |
---|
2418 | autocon / x0 * hyrho(k) * dt_micro * flag ) |
---|
2419 | ENDIF |
---|
2420 | |
---|
2421 | ENDIF |
---|
2422 | |
---|
2423 | ENDDO |
---|
2424 | ENDDO |
---|
2425 | ENDDO |
---|
2426 | |
---|
2427 | CALL cpu_log( log_point_s(47), 'autoconversion', 'stop' ) |
---|
2428 | |
---|
2429 | END SUBROUTINE autoconversion |
---|
2430 | |
---|
2431 | |
---|
2432 | !------------------------------------------------------------------------------! |
---|
2433 | ! Description: |
---|
2434 | ! ------------ |
---|
2435 | !> Autoconversion process (Kessler, 1969). |
---|
2436 | !------------------------------------------------------------------------------! |
---|
2437 | SUBROUTINE autoconversion_kessler |
---|
2438 | |
---|
2439 | |
---|
2440 | IMPLICIT NONE |
---|
2441 | |
---|
2442 | INTEGER(iwp) :: i !< |
---|
2443 | INTEGER(iwp) :: j !< |
---|
2444 | INTEGER(iwp) :: k !< |
---|
2445 | INTEGER(iwp) :: k_wall !< topgraphy top index |
---|
2446 | |
---|
2447 | REAL(wp) :: dqdt_precip !< |
---|
2448 | REAL(wp) :: flag !< flag to mask topography grid points |
---|
2449 | |
---|
2450 | DO i = nxlg, nxrg |
---|
2451 | DO j = nysg, nyng |
---|
2452 | ! |
---|
2453 | !-- Determine vertical index of topography top |
---|
2454 | k_wall = get_topography_top_index_ji( j, i, 's' ) |
---|
2455 | DO k = nzb+1, nzt |
---|
2456 | ! |
---|
2457 | !-- Predetermine flag to mask topography |
---|
2458 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2459 | |
---|
2460 | IF ( qc(k,j,i) > ql_crit ) THEN |
---|
2461 | dqdt_precip = prec_time_const * ( qc(k,j,i) - ql_crit ) |
---|
2462 | ELSE |
---|
2463 | dqdt_precip = 0.0_wp |
---|
2464 | ENDIF |
---|
2465 | |
---|
2466 | qc(k,j,i) = qc(k,j,i) - dqdt_precip * dt_micro * flag |
---|
2467 | q(k,j,i) = q(k,j,i) - dqdt_precip * dt_micro * flag |
---|
2468 | pt(k,j,i) = pt(k,j,i) + dqdt_precip * dt_micro * lv_d_cp * & |
---|
2469 | d_exner(k) * flag |
---|
2470 | |
---|
2471 | ! |
---|
2472 | !-- Compute the rain rate (stored on surface grid point) |
---|
2473 | prr(k_wall,j,i) = prr(k_wall,j,i) + dqdt_precip * dzw(k) * flag |
---|
2474 | |
---|
2475 | ENDDO |
---|
2476 | ENDDO |
---|
2477 | ENDDO |
---|
2478 | |
---|
2479 | END SUBROUTINE autoconversion_kessler |
---|
2480 | |
---|
2481 | |
---|
2482 | !------------------------------------------------------------------------------! |
---|
2483 | ! Description: |
---|
2484 | ! ------------ |
---|
2485 | !> Accretion rate (Seifert and Beheng, 2006). |
---|
2486 | !------------------------------------------------------------------------------! |
---|
2487 | SUBROUTINE accretion |
---|
2488 | |
---|
2489 | IMPLICIT NONE |
---|
2490 | |
---|
2491 | INTEGER(iwp) :: i !< |
---|
2492 | INTEGER(iwp) :: j !< |
---|
2493 | INTEGER(iwp) :: k !< |
---|
2494 | |
---|
2495 | REAL(wp) :: accr !< |
---|
2496 | REAL(wp) :: flag !< flag to mask topography grid points |
---|
2497 | REAL(wp) :: k_cr !< |
---|
2498 | REAL(wp) :: nc_accr !< |
---|
2499 | REAL(wp) :: phi_ac !< |
---|
2500 | REAL(wp) :: tau_cloud !< |
---|
2501 | REAL(wp) :: xc !< |
---|
2502 | |
---|
2503 | |
---|
2504 | CALL cpu_log( log_point_s(56), 'accretion', 'start' ) |
---|
2505 | |
---|
2506 | DO i = nxlg, nxrg |
---|
2507 | DO j = nysg, nyng |
---|
2508 | DO k = nzb+1, nzt |
---|
2509 | ! |
---|
2510 | !-- Predetermine flag to mask topography |
---|
2511 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2512 | |
---|
2513 | IF ( microphysics_morrison ) THEN |
---|
2514 | nc_accr = nc(k,j,i) |
---|
2515 | ELSE |
---|
2516 | nc_accr = nc_const |
---|
2517 | ENDIF |
---|
2518 | |
---|
2519 | IF ( ( qc(k,j,i) > eps_sb ) .AND. ( qr(k,j,i) > eps_sb ) & |
---|
2520 | .AND. ( nc_accr > eps_mr ) ) THEN |
---|
2521 | ! |
---|
2522 | !-- Intern time scale of coagulation (Seifert and Beheng, 2006): |
---|
2523 | tau_cloud = 1.0_wp - qc(k,j,i) / ( qc(k,j,i) + qr(k,j,i) ) |
---|
2524 | ! |
---|
2525 | !-- Universal function for accretion process (Seifert and |
---|
2526 | !-- Beheng, 2001): |
---|
2527 | phi_ac = ( tau_cloud / ( tau_cloud + 5.0E-5_wp ) )**4 |
---|
2528 | |
---|
2529 | ! |
---|
2530 | !-- Mean weight of cloud drops |
---|
2531 | xc = MAX( (hyrho(k) * qc(k,j,i) / nc_accr), xcmin) |
---|
2532 | ! |
---|
2533 | !-- Parameterized turbulence effects on autoconversion (Seifert, |
---|
2534 | !-- Nuijens and Stevens, 2010). The factor of 1.0E4 is needed to |
---|
2535 | !-- convert the dissipation rate (diss) from m2 s-3 to cm2 s-3. |
---|
2536 | IF ( collision_turbulence ) THEN |
---|
2537 | k_cr = k_cr0 * ( 1.0_wp + 0.05_wp * & |
---|
2538 | MIN( 600.0_wp, & |
---|
2539 | diss(k,j,i) * 1.0E4_wp )**0.25_wp & |
---|
2540 | ) |
---|
2541 | ELSE |
---|
2542 | k_cr = k_cr0 |
---|
2543 | ENDIF |
---|
2544 | ! |
---|
2545 | !-- Accretion rate (Seifert and Beheng, 2006): |
---|
2546 | accr = k_cr * qc(k,j,i) * qr(k,j,i) * phi_ac * & |
---|
2547 | SQRT( rho_surface * hyrho(k) ) |
---|
2548 | accr = MIN( accr, qc(k,j,i) / dt_micro ) |
---|
2549 | |
---|
2550 | qr(k,j,i) = qr(k,j,i) + accr * dt_micro * flag |
---|
2551 | qc(k,j,i) = qc(k,j,i) - accr * dt_micro * flag |
---|
2552 | IF ( microphysics_morrison ) THEN |
---|
2553 | nc(k,j,i) = nc(k,j,i) - MIN( nc(k,j,i), & |
---|
2554 | accr / xc * hyrho(k) * dt_micro * flag) |
---|
2555 | ENDIF |
---|
2556 | |
---|
2557 | ENDIF |
---|
2558 | |
---|
2559 | ENDDO |
---|
2560 | ENDDO |
---|
2561 | ENDDO |
---|
2562 | |
---|
2563 | CALL cpu_log( log_point_s(56), 'accretion', 'stop' ) |
---|
2564 | |
---|
2565 | END SUBROUTINE accretion |
---|
2566 | |
---|
2567 | |
---|
2568 | !------------------------------------------------------------------------------! |
---|
2569 | ! Description: |
---|
2570 | ! ------------ |
---|
2571 | !> Collisional breakup rate (Seifert, 2008). |
---|
2572 | !------------------------------------------------------------------------------! |
---|
2573 | SUBROUTINE selfcollection_breakup |
---|
2574 | |
---|
2575 | IMPLICIT NONE |
---|
2576 | |
---|
2577 | INTEGER(iwp) :: i !< |
---|
2578 | INTEGER(iwp) :: j !< |
---|
2579 | INTEGER(iwp) :: k !< |
---|
2580 | |
---|
2581 | REAL(wp) :: breakup !< |
---|
2582 | REAL(wp) :: dr !< |
---|
2583 | REAL(wp) :: flag !< flag to mask topography grid points |
---|
2584 | REAL(wp) :: phi_br !< |
---|
2585 | REAL(wp) :: selfcoll !< |
---|
2586 | |
---|
2587 | CALL cpu_log( log_point_s(57), 'selfcollection', 'start' ) |
---|
2588 | |
---|
2589 | DO i = nxlg, nxrg |
---|
2590 | DO j = nysg, nyng |
---|
2591 | DO k = nzb+1, nzt |
---|
2592 | ! |
---|
2593 | !-- Predetermine flag to mask topography |
---|
2594 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2595 | |
---|
2596 | IF ( qr(k,j,i) > eps_sb ) THEN |
---|
2597 | ! |
---|
2598 | !-- Selfcollection rate (Seifert and Beheng, 2001): |
---|
2599 | selfcoll = k_rr * nr(k,j,i) * qr(k,j,i) * & |
---|
2600 | SQRT( hyrho(k) * rho_surface ) |
---|
2601 | ! |
---|
2602 | !-- Weight averaged diameter of rain drops: |
---|
2603 | dr = ( hyrho(k) * qr(k,j,i) / & |
---|
2604 | nr(k,j,i) * dpirho_l )**( 1.0_wp / 3.0_wp ) |
---|
2605 | ! |
---|
2606 | !-- Collisional breakup rate (Seifert, 2008): |
---|
2607 | IF ( dr >= 0.3E-3_wp ) THEN |
---|
2608 | phi_br = k_br * ( dr - 1.1E-3_wp ) |
---|
2609 | breakup = selfcoll * ( phi_br + 1.0_wp ) |
---|
2610 | ELSE |
---|
2611 | breakup = 0.0_wp |
---|
2612 | ENDIF |
---|
2613 | |
---|
2614 | selfcoll = MAX( breakup - selfcoll, -nr(k,j,i) / dt_micro ) |
---|
2615 | nr(k,j,i) = nr(k,j,i) + selfcoll * dt_micro * flag |
---|
2616 | |
---|
2617 | ENDIF |
---|
2618 | ENDDO |
---|
2619 | ENDDO |
---|
2620 | ENDDO |
---|
2621 | |
---|
2622 | CALL cpu_log( log_point_s(57), 'selfcollection', 'stop' ) |
---|
2623 | |
---|
2624 | END SUBROUTINE selfcollection_breakup |
---|
2625 | |
---|
2626 | |
---|
2627 | !------------------------------------------------------------------------------! |
---|
2628 | ! Description: |
---|
2629 | ! ------------ |
---|
2630 | !> Evaporation of precipitable water. Condensation is neglected for |
---|
2631 | !> precipitable water. |
---|
2632 | !------------------------------------------------------------------------------! |
---|
2633 | SUBROUTINE evaporation_rain |
---|
2634 | |
---|
2635 | IMPLICIT NONE |
---|
2636 | |
---|
2637 | INTEGER(iwp) :: i !< |
---|
2638 | INTEGER(iwp) :: j !< |
---|
2639 | INTEGER(iwp) :: k !< |
---|
2640 | |
---|
2641 | REAL(wp) :: dr !< |
---|
2642 | REAL(wp) :: evap !< |
---|
2643 | REAL(wp) :: evap_nr !< |
---|
2644 | REAL(wp) :: f_vent !< |
---|
2645 | REAL(wp) :: flag !< flag to mask topography grid points |
---|
2646 | REAL(wp) :: g_evap !< |
---|
2647 | REAL(wp) :: lambda_r !< |
---|
2648 | REAL(wp) :: mu_r !< |
---|
2649 | REAL(wp) :: mu_r_2 !< |
---|
2650 | REAL(wp) :: mu_r_5d2 !< |
---|
2651 | REAL(wp) :: nr_0 !< |
---|
2652 | REAL(wp) :: temp !< |
---|
2653 | REAL(wp) :: xr !< |
---|
2654 | |
---|
2655 | CALL cpu_log( log_point_s(58), 'evaporation', 'start' ) |
---|
2656 | |
---|
2657 | DO i = nxlg, nxrg |
---|
2658 | DO j = nysg, nyng |
---|
2659 | DO k = nzb+1, nzt |
---|
2660 | ! |
---|
2661 | !-- Predetermine flag to mask topography |
---|
2662 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2663 | |
---|
2664 | IF ( qr(k,j,i) > eps_sb ) THEN |
---|
2665 | |
---|
2666 | ! |
---|
2667 | !-- Call calculation of supersaturation |
---|
2668 | CALL supersaturation ( i, j, k ) |
---|
2669 | ! |
---|
2670 | !-- Evaporation needs only to be calculated in subsaturated regions |
---|
2671 | IF ( sat < 0.0_wp ) THEN |
---|
2672 | ! |
---|
2673 | !-- Actual temperature: |
---|
2674 | temp = t_l + lv_d_cp * ( qc(k,j,i) + qr(k,j,i) ) |
---|
2675 | |
---|
2676 | g_evap = 1.0_wp / ( ( l_v / ( r_v * temp ) - 1.0_wp ) * & |
---|
2677 | l_v / ( thermal_conductivity_l * temp ) & |
---|
2678 | + r_v * temp / ( diff_coeff_l * e_s ) & |
---|
2679 | ) |
---|
2680 | ! |
---|
2681 | !-- Mean weight of rain drops |
---|
2682 | xr = hyrho(k) * qr(k,j,i) / nr(k,j,i) |
---|
2683 | ! |
---|
2684 | !-- Weight averaged diameter of rain drops: |
---|
2685 | dr = ( xr * dpirho_l )**( 1.0_wp / 3.0_wp ) |
---|
2686 | ! |
---|
2687 | !-- Compute ventilation factor and intercept parameter |
---|
2688 | !-- (Seifert and Beheng, 2006; Seifert, 2008): |
---|
2689 | IF ( ventilation_effect ) THEN |
---|
2690 | ! |
---|
2691 | !-- Shape parameter of gamma distribution (Milbrandt and Yau, |
---|
2692 | !-- 2005; Stevens and Seifert, 2008): |
---|
2693 | mu_r = 10.0_wp * ( 1.0_wp + TANH( 1.2E3_wp * & |
---|
2694 | ( dr - 1.4E-3_wp ) ) ) |
---|
2695 | ! |
---|
2696 | !-- Slope parameter of gamma distribution (Seifert, 2008): |
---|
2697 | lambda_r = ( ( mu_r + 3.0_wp ) * ( mu_r + 2.0_wp ) * & |
---|
2698 | ( mu_r + 1.0_wp ) & |
---|
2699 | )**( 1.0_wp / 3.0_wp ) / dr |
---|
2700 | |
---|
2701 | mu_r_2 = mu_r + 2.0_wp |
---|
2702 | mu_r_5d2 = mu_r + 2.5_wp |
---|
2703 | |
---|
2704 | f_vent = a_vent * gamm( mu_r_2 ) * & |
---|
2705 | lambda_r**( -mu_r_2 ) + b_vent * & |
---|
2706 | schmidt_p_1d3 * SQRT( a_term / kin_vis_air ) *& |
---|
2707 | gamm( mu_r_5d2 ) * lambda_r**( -mu_r_5d2 ) * & |
---|
2708 | ( 1.0_wp - & |
---|
2709 | 0.5_wp * ( b_term / a_term ) * & |
---|
2710 | ( lambda_r / ( c_term + lambda_r ) & |
---|
2711 | )**mu_r_5d2 - & |
---|
2712 | 0.125_wp * ( b_term / a_term )**2 * & |
---|
2713 | ( lambda_r / ( 2.0_wp * c_term + lambda_r ) & |
---|
2714 | )**mu_r_5d2 - & |
---|
2715 | 0.0625_wp * ( b_term / a_term )**3 * & |
---|
2716 | ( lambda_r / ( 3.0_wp * c_term + lambda_r ) & |
---|
2717 | )**mu_r_5d2 - & |
---|
2718 | 0.0390625_wp * ( b_term / a_term )**4 * & |
---|
2719 | ( lambda_r / ( 4.0_wp * c_term + lambda_r ) & |
---|
2720 | )**mu_r_5d2 & |
---|
2721 | ) |
---|
2722 | |
---|
2723 | nr_0 = nr(k,j,i) * lambda_r**( mu_r + 1.0_wp ) / & |
---|
2724 | gamm( mu_r + 1.0_wp ) |
---|
2725 | ELSE |
---|
2726 | f_vent = 1.0_wp |
---|
2727 | nr_0 = nr(k,j,i) * dr |
---|
2728 | ENDIF |
---|
2729 | ! |
---|
2730 | !-- Evaporation rate of rain water content (Seifert and |
---|
2731 | !-- Beheng, 2006): |
---|
2732 | evap = 2.0_wp * pi * nr_0 * g_evap * f_vent * sat / & |
---|
2733 | hyrho(k) |
---|
2734 | evap = MAX( evap, -qr(k,j,i) / dt_micro ) |
---|
2735 | evap_nr = MAX( c_evap * evap / xr * hyrho(k), & |
---|
2736 | -nr(k,j,i) / dt_micro ) |
---|
2737 | |
---|
2738 | qr(k,j,i) = qr(k,j,i) + evap * dt_micro * flag |
---|
2739 | nr(k,j,i) = nr(k,j,i) + evap_nr * dt_micro * flag |
---|
2740 | |
---|
2741 | ENDIF |
---|
2742 | ENDIF |
---|
2743 | |
---|
2744 | ENDDO |
---|
2745 | ENDDO |
---|
2746 | ENDDO |
---|
2747 | |
---|
2748 | CALL cpu_log( log_point_s(58), 'evaporation', 'stop' ) |
---|
2749 | |
---|
2750 | END SUBROUTINE evaporation_rain |
---|
2751 | |
---|
2752 | |
---|
2753 | !------------------------------------------------------------------------------! |
---|
2754 | ! Description: |
---|
2755 | ! ------------ |
---|
2756 | !> Sedimentation of cloud droplets (Ackermann et al., 2009, MWR). |
---|
2757 | !------------------------------------------------------------------------------! |
---|
2758 | SUBROUTINE sedimentation_cloud |
---|
2759 | |
---|
2760 | |
---|
2761 | IMPLICIT NONE |
---|
2762 | |
---|
2763 | INTEGER(iwp) :: i !< |
---|
2764 | INTEGER(iwp) :: j !< |
---|
2765 | INTEGER(iwp) :: k !< |
---|
2766 | |
---|
2767 | REAL(wp) :: flag !< flag to mask topography grid points |
---|
2768 | REAL(wp) :: nc_sedi !< |
---|
2769 | |
---|
2770 | REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qc !< |
---|
2771 | REAL(wp), DIMENSION(nzb:nzt+1) :: sed_nc !< |
---|
2772 | |
---|
2773 | |
---|
2774 | CALL cpu_log( log_point_s(59), 'sed_cloud', 'start' ) |
---|
2775 | |
---|
2776 | sed_qc(nzt+1) = 0.0_wp |
---|
2777 | sed_nc(nzt+1) = 0.0_wp |
---|
2778 | |
---|
2779 | DO i = nxlg, nxrg |
---|
2780 | DO j = nysg, nyng |
---|
2781 | DO k = nzt, nzb+1, -1 |
---|
2782 | ! |
---|
2783 | !-- Predetermine flag to mask topography |
---|
2784 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2785 | |
---|
2786 | IF ( microphysics_morrison ) THEN |
---|
2787 | nc_sedi = nc(k,j,i) |
---|
2788 | ELSE |
---|
2789 | nc_sedi = nc_const |
---|
2790 | ENDIF |
---|
2791 | |
---|
2792 | ! |
---|
2793 | !-- Sedimentation fluxes for number concentration are only calculated |
---|
2794 | !-- for cloud_scheme = 'morrison' |
---|
2795 | IF ( microphysics_morrison ) THEN |
---|
2796 | IF ( qc(k,j,i) > eps_sb .AND. nc(k,j,i) > eps_mr ) THEN |
---|
2797 | sed_nc(k) = sed_qc_const * & |
---|
2798 | ( qc(k,j,i) * hyrho(k) )**( 2.0_wp / 3.0_wp ) * & |
---|
2799 | ( nc(k,j,i) )**( 1.0_wp / 3.0_wp ) |
---|
2800 | ELSE |
---|
2801 | sed_nc(k) = 0.0_wp |
---|
2802 | ENDIF |
---|
2803 | |
---|
2804 | sed_nc(k) = MIN( sed_nc(k), hyrho(k) * dzu(k+1) * & |
---|
2805 | nc(k,j,i) / dt_micro + sed_nc(k+1) & |
---|
2806 | ) * flag |
---|
2807 | |
---|
2808 | nc(k,j,i) = nc(k,j,i) + ( sed_nc(k+1) - sed_nc(k) ) * & |
---|
2809 | ddzu(k+1) / hyrho(k) * dt_micro * flag |
---|
2810 | ENDIF |
---|
2811 | |
---|
2812 | IF ( qc(k,j,i) > eps_sb .AND. nc_sedi > eps_mr ) THEN |
---|
2813 | sed_qc(k) = sed_qc_const * nc_sedi**( -2.0_wp / 3.0_wp ) * & |
---|
2814 | ( qc(k,j,i) * hyrho(k) )**( 5.0_wp / 3.0_wp ) * & |
---|
2815 | flag |
---|
2816 | ELSE |
---|
2817 | sed_qc(k) = 0.0_wp |
---|
2818 | ENDIF |
---|
2819 | |
---|
2820 | sed_qc(k) = MIN( sed_qc(k), hyrho(k) * dzu(k+1) * q(k,j,i) / & |
---|
2821 | dt_micro + sed_qc(k+1) & |
---|
2822 | ) * flag |
---|
2823 | |
---|
2824 | q(k,j,i) = q(k,j,i) + ( sed_qc(k+1) - sed_qc(k) ) * & |
---|
2825 | ddzu(k+1) / hyrho(k) * dt_micro * flag |
---|
2826 | qc(k,j,i) = qc(k,j,i) + ( sed_qc(k+1) - sed_qc(k) ) * & |
---|
2827 | ddzu(k+1) / hyrho(k) * dt_micro * flag |
---|
2828 | pt(k,j,i) = pt(k,j,i) - ( sed_qc(k+1) - sed_qc(k) ) * & |
---|
2829 | ddzu(k+1) / hyrho(k) * lv_d_cp * & |
---|
2830 | d_exner(k) * dt_micro * flag |
---|
2831 | |
---|
2832 | ! |
---|
2833 | !-- Compute the precipitation rate due to cloud (fog) droplets |
---|
2834 | IF ( call_microphysics_at_all_substeps ) THEN |
---|
2835 | prr(k,j,i) = prr(k,j,i) + sed_qc(k) / hyrho(k) & |
---|
2836 | * weight_substep(intermediate_timestep_count) & |
---|
2837 | * flag |
---|
2838 | ELSE |
---|
2839 | prr(k,j,i) = prr(k,j,i) + sed_qc(k) / hyrho(k) * flag |
---|
2840 | ENDIF |
---|
2841 | |
---|
2842 | ENDDO |
---|
2843 | ENDDO |
---|
2844 | ENDDO |
---|
2845 | |
---|
2846 | CALL cpu_log( log_point_s(59), 'sed_cloud', 'stop' ) |
---|
2847 | |
---|
2848 | END SUBROUTINE sedimentation_cloud |
---|
2849 | |
---|
2850 | |
---|
2851 | !------------------------------------------------------------------------------! |
---|
2852 | ! Description: |
---|
2853 | ! ------------ |
---|
2854 | !> Computation of sedimentation flux. Implementation according to Stevens |
---|
2855 | !> and Seifert (2008). Code is based on UCLA-LES. |
---|
2856 | !------------------------------------------------------------------------------! |
---|
2857 | SUBROUTINE sedimentation_rain |
---|
2858 | |
---|
2859 | IMPLICIT NONE |
---|
2860 | |
---|
2861 | INTEGER(iwp) :: i !< running index x direction |
---|
2862 | INTEGER(iwp) :: j !< running index y direction |
---|
2863 | INTEGER(iwp) :: k !< running index z direction |
---|
2864 | INTEGER(iwp) :: k_run !< |
---|
2865 | INTEGER(iwp) :: m !< running index surface elements |
---|
2866 | INTEGER(iwp) :: surf_e !< End index of surface elements at (j,i)-gridpoint |
---|
2867 | INTEGER(iwp) :: surf_s !< Start index of surface elements at (j,i)-gridpoint |
---|
2868 | |
---|
2869 | REAL(wp) :: c_run !< |
---|
2870 | REAL(wp) :: d_max !< |
---|
2871 | REAL(wp) :: d_mean !< |
---|
2872 | REAL(wp) :: d_min !< |
---|
2873 | REAL(wp) :: dr !< |
---|
2874 | REAL(wp) :: flux !< |
---|
2875 | REAL(wp) :: flag !< flag to mask topography grid points |
---|
2876 | REAL(wp) :: lambda_r !< |
---|
2877 | REAL(wp) :: mu_r !< |
---|
2878 | REAL(wp) :: z_run !< |
---|
2879 | |
---|
2880 | REAL(wp), DIMENSION(nzb:nzt+1) :: c_nr !< |
---|
2881 | REAL(wp), DIMENSION(nzb:nzt+1) :: c_qr !< |
---|
2882 | REAL(wp), DIMENSION(nzb:nzt+1) :: nr_slope !< |
---|
2883 | REAL(wp), DIMENSION(nzb:nzt+1) :: qr_slope !< |
---|
2884 | REAL(wp), DIMENSION(nzb:nzt+1) :: sed_nr !< |
---|
2885 | REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qr !< |
---|
2886 | REAL(wp), DIMENSION(nzb:nzt+1) :: w_nr !< |
---|
2887 | REAL(wp), DIMENSION(nzb:nzt+1) :: w_qr !< |
---|
2888 | |
---|
2889 | CALL cpu_log( log_point_s(60), 'sed_rain', 'start' ) |
---|
2890 | |
---|
2891 | ! |
---|
2892 | !-- Compute velocities |
---|
2893 | DO i = nxlg, nxrg |
---|
2894 | DO j = nysg, nyng |
---|
2895 | DO k = nzb+1, nzt |
---|
2896 | ! |
---|
2897 | !-- Predetermine flag to mask topography |
---|
2898 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2899 | |
---|
2900 | IF ( qr(k,j,i) > eps_sb ) THEN |
---|
2901 | ! |
---|
2902 | !-- Weight averaged diameter of rain drops: |
---|
2903 | dr = ( hyrho(k) * qr(k,j,i) / & |
---|
2904 | nr(k,j,i) * dpirho_l )**( 1.0_wp / 3.0_wp ) |
---|
2905 | ! |
---|
2906 | !-- Shape parameter of gamma distribution (Milbrandt and Yau, 2005; |
---|
2907 | !-- Stevens and Seifert, 2008): |
---|
2908 | mu_r = 10.0_wp * ( 1.0_wp + TANH( 1.2E3_wp * & |
---|
2909 | ( dr - 1.4E-3_wp ) ) ) |
---|
2910 | ! |
---|
2911 | !-- Slope parameter of gamma distribution (Seifert, 2008): |
---|
2912 | lambda_r = ( ( mu_r + 3.0_wp ) * ( mu_r + 2.0_wp ) * & |
---|
2913 | ( mu_r + 1.0_wp ) )**( 1.0_wp / 3.0_wp ) / dr |
---|
2914 | |
---|
2915 | w_nr(k) = MAX( 0.1_wp, MIN( 20.0_wp, & |
---|
2916 | a_term - b_term * ( 1.0_wp + & |
---|
2917 | c_term / & |
---|
2918 | lambda_r )**( -1.0_wp * & |
---|
2919 | ( mu_r + 1.0_wp ) ) & |
---|
2920 | ) & |
---|
2921 | ) * flag |
---|
2922 | |
---|
2923 | w_qr(k) = MAX( 0.1_wp, MIN( 20.0_wp, & |
---|
2924 | a_term - b_term * ( 1.0_wp + & |
---|
2925 | c_term / & |
---|
2926 | lambda_r )**( -1.0_wp * & |
---|
2927 | ( mu_r + 4.0_wp ) ) & |
---|
2928 | ) & |
---|
2929 | ) * flag |
---|
2930 | ELSE |
---|
2931 | w_nr(k) = 0.0_wp |
---|
2932 | w_qr(k) = 0.0_wp |
---|
2933 | ENDIF |
---|
2934 | ENDDO |
---|
2935 | ! |
---|
2936 | !-- Adjust boundary values using surface data type. |
---|
2937 | !-- Upward-facing |
---|
2938 | surf_s = bc_h(0)%start_index(j,i) |
---|
2939 | surf_e = bc_h(0)%end_index(j,i) |
---|
2940 | DO m = surf_s, surf_e |
---|
2941 | k = bc_h(0)%k(m) |
---|
2942 | w_nr(k-1) = w_nr(k) |
---|
2943 | w_qr(k-1) = w_qr(k) |
---|
2944 | ENDDO |
---|
2945 | ! |
---|
2946 | !-- Downward-facing |
---|
2947 | surf_s = bc_h(1)%start_index(j,i) |
---|
2948 | surf_e = bc_h(1)%end_index(j,i) |
---|
2949 | DO m = surf_s, surf_e |
---|
2950 | k = bc_h(1)%k(m) |
---|
2951 | w_nr(k+1) = w_nr(k) |
---|
2952 | w_qr(k+1) = w_qr(k) |
---|
2953 | ENDDO |
---|
2954 | ! |
---|
2955 | !-- Model top boundary value |
---|
2956 | w_nr(nzt+1) = 0.0_wp |
---|
2957 | w_qr(nzt+1) = 0.0_wp |
---|
2958 | ! |
---|
2959 | !-- Compute Courant number |
---|
2960 | DO k = nzb+1, nzt |
---|
2961 | ! |
---|
2962 | !-- Predetermine flag to mask topography |
---|
2963 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2964 | |
---|
2965 | c_nr(k) = 0.25_wp * ( w_nr(k-1) + & |
---|
2966 | 2.0_wp * w_nr(k) + w_nr(k+1) ) * & |
---|
2967 | dt_micro * ddzu(k) * flag |
---|
2968 | c_qr(k) = 0.25_wp * ( w_qr(k-1) + & |
---|
2969 | 2.0_wp * w_qr(k) + w_qr(k+1) ) * & |
---|
2970 | dt_micro * ddzu(k) * flag |
---|
2971 | ENDDO |
---|
2972 | ! |
---|
2973 | !-- Limit slopes with monotonized centered (MC) limiter (van Leer, 1977): |
---|
2974 | IF ( limiter_sedimentation ) THEN |
---|
2975 | |
---|
2976 | DO k = nzb+1, nzt |
---|
2977 | ! |
---|
2978 | !-- Predetermine flag to mask topography |
---|
2979 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
2980 | |
---|
2981 | d_mean = 0.5_wp * ( qr(k+1,j,i) - qr(k-1,j,i) ) |
---|
2982 | d_min = qr(k,j,i) - MIN( qr(k+1,j,i), qr(k,j,i), qr(k-1,j,i) ) |
---|
2983 | d_max = MAX( qr(k+1,j,i), qr(k,j,i), qr(k-1,j,i) ) - qr(k,j,i) |
---|
2984 | |
---|
2985 | qr_slope(k) = SIGN(1.0_wp, d_mean) * MIN ( 2.0_wp * d_min, & |
---|
2986 | 2.0_wp * d_max, & |
---|
2987 | ABS( d_mean ) ) & |
---|
2988 | * flag |
---|
2989 | |
---|
2990 | d_mean = 0.5_wp * ( nr(k+1,j,i) - nr(k-1,j,i) ) |
---|
2991 | d_min = nr(k,j,i) - MIN( nr(k+1,j,i), nr(k,j,i), nr(k-1,j,i) ) |
---|
2992 | d_max = MAX( nr(k+1,j,i), nr(k,j,i), nr(k-1,j,i) ) - nr(k,j,i) |
---|
2993 | |
---|
2994 | nr_slope(k) = SIGN(1.0_wp, d_mean) * MIN ( 2.0_wp * d_min, & |
---|
2995 | 2.0_wp * d_max, & |
---|
2996 | ABS( d_mean ) ) |
---|
2997 | ENDDO |
---|
2998 | |
---|
2999 | ELSE |
---|
3000 | |
---|
3001 | nr_slope = 0.0_wp |
---|
3002 | qr_slope = 0.0_wp |
---|
3003 | |
---|
3004 | ENDIF |
---|
3005 | |
---|
3006 | sed_nr(nzt+1) = 0.0_wp |
---|
3007 | sed_qr(nzt+1) = 0.0_wp |
---|
3008 | ! |
---|
3009 | !-- Compute sedimentation flux |
---|
3010 | DO k = nzt, nzb+1, -1 |
---|
3011 | ! |
---|
3012 | !-- Predetermine flag to mask topography |
---|
3013 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3014 | ! |
---|
3015 | !-- Sum up all rain drop number densities which contribute to the flux |
---|
3016 | !-- through k-1/2 |
---|
3017 | flux = 0.0_wp |
---|
3018 | z_run = 0.0_wp ! height above z(k) |
---|
3019 | k_run = k |
---|
3020 | c_run = MIN( 1.0_wp, c_nr(k) ) |
---|
3021 | DO WHILE ( c_run > 0.0_wp .AND. k_run <= nzt ) |
---|
3022 | flux = flux + hyrho(k_run) * & |
---|
3023 | ( nr(k_run,j,i) + nr_slope(k_run) * & |
---|
3024 | ( 1.0_wp - c_run ) * 0.5_wp ) * c_run * dzu(k_run) & |
---|
3025 | * flag |
---|
3026 | z_run = z_run + dzu(k_run) * flag |
---|
3027 | k_run = k_run + 1 * flag |
---|
3028 | c_run = MIN( 1.0_wp, c_nr(k_run) - z_run * ddzu(k_run) ) & |
---|
3029 | * flag |
---|
3030 | ENDDO |
---|
3031 | ! |
---|
3032 | !-- It is not allowed to sediment more rain drop number density than |
---|
3033 | !-- available |
---|
3034 | flux = MIN( flux, & |
---|
3035 | hyrho(k) * dzu(k+1) * nr(k,j,i) + sed_nr(k+1) * & |
---|
3036 | dt_micro & |
---|
3037 | ) |
---|
3038 | |
---|
3039 | sed_nr(k) = flux / dt_micro * flag |
---|
3040 | nr(k,j,i) = nr(k,j,i) + ( sed_nr(k+1) - sed_nr(k) ) * & |
---|
3041 | ddzu(k+1) / hyrho(k) * dt_micro * flag |
---|
3042 | ! |
---|
3043 | !-- Sum up all rain water content which contributes to the flux |
---|
3044 | !-- through k-1/2 |
---|
3045 | flux = 0.0_wp |
---|
3046 | z_run = 0.0_wp ! height above z(k) |
---|
3047 | k_run = k |
---|
3048 | c_run = MIN( 1.0_wp, c_qr(k) ) |
---|
3049 | |
---|
3050 | DO WHILE ( c_run > 0.0_wp .AND. k_run <= nzt ) |
---|
3051 | |
---|
3052 | flux = flux + hyrho(k_run) * ( qr(k_run,j,i) + & |
---|
3053 | qr_slope(k_run) * ( 1.0_wp - c_run ) * & |
---|
3054 | 0.5_wp ) * c_run * dzu(k_run) * flag |
---|
3055 | z_run = z_run + dzu(k_run) * flag |
---|
3056 | k_run = k_run + 1 * flag |
---|
3057 | c_run = MIN( 1.0_wp, c_qr(k_run) - z_run * ddzu(k_run) ) & |
---|
3058 | * flag |
---|
3059 | |
---|
3060 | ENDDO |
---|
3061 | ! |
---|
3062 | !-- It is not allowed to sediment more rain water content than |
---|
3063 | !-- available |
---|
3064 | flux = MIN( flux, & |
---|
3065 | hyrho(k) * dzu(k) * qr(k,j,i) + sed_qr(k+1) * & |
---|
3066 | dt_micro & |
---|
3067 | ) |
---|
3068 | |
---|
3069 | sed_qr(k) = flux / dt_micro * flag |
---|
3070 | |
---|
3071 | qr(k,j,i) = qr(k,j,i) + ( sed_qr(k+1) - sed_qr(k) ) * & |
---|
3072 | ddzu(k+1) / hyrho(k) * dt_micro * flag |
---|
3073 | q(k,j,i) = q(k,j,i) + ( sed_qr(k+1) - sed_qr(k) ) * & |
---|
3074 | ddzu(k+1) / hyrho(k) * dt_micro * flag |
---|
3075 | pt(k,j,i) = pt(k,j,i) - ( sed_qr(k+1) - sed_qr(k) ) * & |
---|
3076 | ddzu(k+1) / hyrho(k) * lv_d_cp * & |
---|
3077 | d_exner(k) * dt_micro * flag |
---|
3078 | ! |
---|
3079 | !-- Compute the rain rate |
---|
3080 | IF ( call_microphysics_at_all_substeps ) THEN |
---|
3081 | prr(k,j,i) = prr(k,j,i) + sed_qr(k) / hyrho(k) & |
---|
3082 | * weight_substep(intermediate_timestep_count) & |
---|
3083 | * flag |
---|
3084 | ELSE |
---|
3085 | prr(k,j,i) = prr(k,j,i) + sed_qr(k) / hyrho(k) * flag |
---|
3086 | ENDIF |
---|
3087 | |
---|
3088 | ENDDO |
---|
3089 | ENDDO |
---|
3090 | ENDDO |
---|
3091 | |
---|
3092 | CALL cpu_log( log_point_s(60), 'sed_rain', 'stop' ) |
---|
3093 | |
---|
3094 | END SUBROUTINE sedimentation_rain |
---|
3095 | |
---|
3096 | |
---|
3097 | !------------------------------------------------------------------------------! |
---|
3098 | ! Description: |
---|
3099 | ! ------------ |
---|
3100 | !> Computation of the precipitation amount due to gravitational settling of |
---|
3101 | !> rain and cloud (fog) droplets |
---|
3102 | !------------------------------------------------------------------------------! |
---|
3103 | SUBROUTINE calc_precipitation_amount |
---|
3104 | |
---|
3105 | IMPLICIT NONE |
---|
3106 | |
---|
3107 | INTEGER(iwp) :: i !< running index x direction |
---|
3108 | INTEGER(iwp) :: j !< running index y direction |
---|
3109 | INTEGER(iwp) :: k !< running index y direction |
---|
3110 | INTEGER(iwp) :: m !< running index surface elements |
---|
3111 | |
---|
3112 | IF ( ( dt_do2d_xy - time_do2d_xy ) < precipitation_amount_interval .AND.& |
---|
3113 | ( .NOT. call_microphysics_at_all_substeps .OR. & |
---|
3114 | intermediate_timestep_count == intermediate_timestep_count_max ) ) & |
---|
3115 | THEN |
---|
3116 | ! |
---|
3117 | !-- Run over all upward-facing surface elements, i.e. non-natural, |
---|
3118 | !-- natural and urban |
---|
3119 | DO m = 1, bc_h(0)%ns |
---|
3120 | i = bc_h(0)%i(m) |
---|
3121 | j = bc_h(0)%j(m) |
---|
3122 | k = bc_h(0)%k(m) |
---|
3123 | precipitation_amount(j,i) = precipitation_amount(j,i) + & |
---|
3124 | prr(k,j,i) * hyrho(k) * dt_3d |
---|
3125 | ENDDO |
---|
3126 | |
---|
3127 | ENDIF |
---|
3128 | |
---|
3129 | END SUBROUTINE calc_precipitation_amount |
---|
3130 | |
---|
3131 | |
---|
3132 | !------------------------------------------------------------------------------! |
---|
3133 | ! Description: |
---|
3134 | ! ------------ |
---|
3135 | !> Control of microphysics for grid points i,j |
---|
3136 | !------------------------------------------------------------------------------! |
---|
3137 | |
---|
3138 | SUBROUTINE bcm_actions_ij( i, j ) |
---|
3139 | |
---|
3140 | IMPLICIT NONE |
---|
3141 | |
---|
3142 | INTEGER(iwp) :: i !< |
---|
3143 | INTEGER(iwp) :: j !< |
---|
3144 | |
---|
3145 | IF ( large_scale_forcing .AND. lsf_surf ) THEN |
---|
3146 | ! |
---|
3147 | !-- Calculate vertical profile of the hydrostatic pressure (hyp) |
---|
3148 | hyp = barometric_formula(zu, pt_surface * exner_function(surface_pressure * 100.0_wp), surface_pressure * 100.0_wp) |
---|
3149 | d_exner = exner_function_invers(hyp) |
---|
3150 | exner = 1.0_wp / exner_function_invers(hyp) |
---|
3151 | hyrho = ideal_gas_law_rho_pt(hyp, pt_init) |
---|
3152 | ! |
---|
3153 | !-- Compute reference density |
---|
3154 | rho_surface = ideal_gas_law_rho(surface_pressure * 100.0_wp, pt_surface * exner_function(surface_pressure * 100.0_wp)) |
---|
3155 | ENDIF |
---|
3156 | |
---|
3157 | ! |
---|
3158 | !-- Compute length of time step |
---|
3159 | IF ( call_microphysics_at_all_substeps ) THEN |
---|
3160 | dt_micro = dt_3d * weight_pres(intermediate_timestep_count) |
---|
3161 | ELSE |
---|
3162 | dt_micro = dt_3d |
---|
3163 | ENDIF |
---|
3164 | ! |
---|
3165 | !-- Reset precipitation rate |
---|
3166 | IF ( intermediate_timestep_count == 1 ) prr(:,j,i) = 0.0_wp |
---|
3167 | |
---|
3168 | ! |
---|
3169 | !-- Compute cloud physics |
---|
3170 | IF( microphysics_kessler ) THEN |
---|
3171 | |
---|
3172 | CALL autoconversion_kessler( i,j ) |
---|
3173 | IF ( cloud_water_sedimentation ) CALL sedimentation_cloud( i,j ) |
---|
3174 | |
---|
3175 | ELSEIF ( microphysics_seifert ) THEN |
---|
3176 | |
---|
3177 | CALL adjust_cloud( i,j ) |
---|
3178 | IF ( microphysics_morrison ) CALL activation( i,j ) |
---|
3179 | IF ( microphysics_morrison ) CALL condensation( i,j ) |
---|
3180 | CALL autoconversion( i,j ) |
---|
3181 | CALL accretion( i,j ) |
---|
3182 | CALL selfcollection_breakup( i,j ) |
---|
3183 | CALL evaporation_rain( i,j ) |
---|
3184 | CALL sedimentation_rain( i,j ) |
---|
3185 | IF ( cloud_water_sedimentation ) CALL sedimentation_cloud( i,j ) |
---|
3186 | |
---|
3187 | ENDIF |
---|
3188 | |
---|
3189 | CALL calc_precipitation_amount( i,j ) |
---|
3190 | |
---|
3191 | END SUBROUTINE bcm_actions_ij |
---|
3192 | |
---|
3193 | !------------------------------------------------------------------------------! |
---|
3194 | ! Description: |
---|
3195 | ! ------------ |
---|
3196 | !> Adjust number of raindrops to avoid nonlinear effects in |
---|
3197 | !> sedimentation and evaporation of rain drops due to too small or |
---|
3198 | !> too big weights of rain drops (Stevens and Seifert, 2008). |
---|
3199 | !> The same procedure is applied to cloud droplets if they are determined |
---|
3200 | !> prognostically. Call for grid point i,j |
---|
3201 | !------------------------------------------------------------------------------! |
---|
3202 | SUBROUTINE adjust_cloud_ij( i, j ) |
---|
3203 | |
---|
3204 | IMPLICIT NONE |
---|
3205 | |
---|
3206 | INTEGER(iwp) :: i !< |
---|
3207 | INTEGER(iwp) :: j !< |
---|
3208 | INTEGER(iwp) :: k !< |
---|
3209 | |
---|
3210 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
3211 | |
---|
3212 | DO k = nzb+1, nzt |
---|
3213 | ! |
---|
3214 | !-- Predetermine flag to mask topography |
---|
3215 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3216 | |
---|
3217 | IF ( qr(k,j,i) <= eps_sb ) THEN |
---|
3218 | qr(k,j,i) = 0.0_wp |
---|
3219 | nr(k,j,i) = 0.0_wp |
---|
3220 | ELSE |
---|
3221 | ! |
---|
3222 | !-- Adjust number of raindrops to avoid nonlinear effects in |
---|
3223 | !-- sedimentation and evaporation of rain drops due to too small or |
---|
3224 | !-- too big weights of rain drops (Stevens and Seifert, 2008). |
---|
3225 | IF ( nr(k,j,i) * xrmin > qr(k,j,i) * hyrho(k) ) THEN |
---|
3226 | nr(k,j,i) = qr(k,j,i) * hyrho(k) / xrmin * flag |
---|
3227 | ELSEIF ( nr(k,j,i) * xrmax < qr(k,j,i) * hyrho(k) ) THEN |
---|
3228 | nr(k,j,i) = qr(k,j,i) * hyrho(k) / xrmax * flag |
---|
3229 | ENDIF |
---|
3230 | |
---|
3231 | ENDIF |
---|
3232 | |
---|
3233 | IF ( microphysics_morrison ) THEN |
---|
3234 | IF ( qc(k,j,i) <= eps_sb ) THEN |
---|
3235 | qc(k,j,i) = 0.0_wp |
---|
3236 | nc(k,j,i) = 0.0_wp |
---|
3237 | ELSE |
---|
3238 | IF ( nc(k,j,i) * xcmin > qc(k,j,i) * hyrho(k) ) THEN |
---|
3239 | nc(k,j,i) = qc(k,j,i) * hyrho(k) / xamin * flag |
---|
3240 | ENDIF |
---|
3241 | ENDIF |
---|
3242 | ENDIF |
---|
3243 | |
---|
3244 | ENDDO |
---|
3245 | |
---|
3246 | END SUBROUTINE adjust_cloud_ij |
---|
3247 | |
---|
3248 | !------------------------------------------------------------------------------! |
---|
3249 | ! Description: |
---|
3250 | ! ------------ |
---|
3251 | !> Calculate number of activated condensation nucleii after simple activation |
---|
3252 | !> scheme of Twomey, 1959. |
---|
3253 | !------------------------------------------------------------------------------! |
---|
3254 | SUBROUTINE activation_ij( i, j ) |
---|
3255 | |
---|
3256 | IMPLICIT NONE |
---|
3257 | |
---|
3258 | INTEGER(iwp) :: i !< |
---|
3259 | INTEGER(iwp) :: j !< |
---|
3260 | INTEGER(iwp) :: k !< |
---|
3261 | |
---|
3262 | REAL(wp) :: activ !< |
---|
3263 | REAL(wp) :: afactor !< |
---|
3264 | REAL(wp) :: beta_act !< |
---|
3265 | REAL(wp) :: bfactor !< |
---|
3266 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
3267 | REAL(wp) :: k_act !< |
---|
3268 | REAL(wp) :: n_act !< |
---|
3269 | REAL(wp) :: n_ccn !< |
---|
3270 | REAL(wp) :: s_0 !< |
---|
3271 | REAL(wp) :: sat_max !< |
---|
3272 | REAL(wp) :: sigma !< |
---|
3273 | REAL(wp) :: sigma_act !< |
---|
3274 | |
---|
3275 | DO k = nzb+1, nzt |
---|
3276 | ! |
---|
3277 | !-- Predetermine flag to mask topography |
---|
3278 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3279 | ! |
---|
3280 | !-- Call calculation of supersaturation |
---|
3281 | CALL supersaturation ( i, j, k ) |
---|
3282 | ! |
---|
3283 | !-- Prescribe parameters for activation |
---|
3284 | !-- (see: Bott + Trautmann, 2002, Atm. Res., 64) |
---|
3285 | k_act = 0.7_wp |
---|
3286 | activ = 0.0_wp |
---|
3287 | |
---|
3288 | IF ( sat > 0.0 .AND. .NOT. curvature_solution_effects_bulk ) THEN |
---|
3289 | ! |
---|
3290 | !-- Compute the number of activated Aerosols |
---|
3291 | !-- (see: Twomey, 1959, Pure and applied Geophysics, 43) |
---|
3292 | n_act = na_init * sat**k_act |
---|
3293 | ! |
---|
3294 | !-- Compute the number of cloud droplets |
---|
3295 | !-- (see: Morrison + Grabowski, 2007, JAS, 64) |
---|
3296 | ! activ = MAX( n_act - nc_d1(k), 0.0_wp) / dt_micro |
---|
3297 | |
---|
3298 | ! |
---|
3299 | !-- Compute activation rate after Khairoutdinov and Kogan |
---|
3300 | !-- (see: Khairoutdinov + Kogan, 2000, Mon. Wea. Rev., 128) |
---|
3301 | sat_max = 0.8_wp / 100.0_wp |
---|
3302 | activ = MAX( 0.0_wp, ( (na_init + nc(k,j,i) ) * MIN & |
---|
3303 | ( 1.0_wp, ( sat / sat_max )**k_act) - nc(k,j,i) ) ) / & |
---|
3304 | dt_micro |
---|
3305 | |
---|
3306 | nc(k,j,i) = MIN( (nc(k,j,i) + activ * dt_micro), na_init) |
---|
3307 | ELSEIF ( sat > 0.0 .AND. curvature_solution_effects_bulk ) THEN |
---|
3308 | ! |
---|
3309 | !-- Curvature effect (afactor) with surface tension |
---|
3310 | !-- parameterization by Straka (2009) |
---|
3311 | sigma = 0.0761_wp - 0.000155_wp * ( t_l - 273.15_wp ) |
---|
3312 | afactor = 2.0_wp * sigma / ( rho_l * r_v * t_l ) |
---|
3313 | ! |
---|
3314 | !-- Solute effect (bfactor) |
---|
3315 | bfactor = vanthoff * molecular_weight_of_water * & |
---|
3316 | rho_s / ( molecular_weight_of_solute * rho_l ) |
---|
3317 | |
---|
3318 | ! |
---|
3319 | !-- Prescribe power index that describes the soluble fraction |
---|
3320 | !-- of an aerosol particle (beta). |
---|
3321 | !-- (see: Morrison + Grabowski, 2007, JAS, 64) |
---|
3322 | beta_act = 0.5_wp |
---|
3323 | sigma_act = sigma_bulk**( 1.0_wp + beta_act ) |
---|
3324 | ! |
---|
3325 | !-- Calculate mean geometric supersaturation (s_0) with |
---|
3326 | !-- parameterization by Khvorostyanov and Curry (2006) |
---|
3327 | s_0 = dry_aerosol_radius **(- ( 1.0_wp + beta_act ) ) * & |
---|
3328 | ( 4.0_wp * afactor**3 / ( 27.0_wp * bfactor ) )**0.5_wp |
---|
3329 | |
---|
3330 | ! |
---|
3331 | !-- Calculate number of activated CCN as a function of |
---|
3332 | !-- supersaturation and taking Koehler theory into account |
---|
3333 | !-- (see: Khvorostyanov + Curry, 2006, J. Geo. Res., 111) |
---|
3334 | n_ccn = ( na_init / 2.0_wp ) * ( 1.0_wp - ERF( & |
---|
3335 | LOG( s_0 / sat ) / ( SQRT(2.0_wp) * LOG(sigma_act) ) ) ) |
---|
3336 | activ = MAX( ( n_ccn ) / dt_micro, 0.0_wp ) |
---|
3337 | |
---|
3338 | nc(k,j,i) = MIN( (nc(k,j,i) + activ * dt_micro * flag), na_init) |
---|
3339 | ENDIF |
---|
3340 | |
---|
3341 | ENDDO |
---|
3342 | |
---|
3343 | END SUBROUTINE activation_ij |
---|
3344 | |
---|
3345 | !------------------------------------------------------------------------------! |
---|
3346 | ! Description: |
---|
3347 | ! ------------ |
---|
3348 | !> Calculate condensation rate for cloud water content (after Khairoutdinov and |
---|
3349 | !> Kogan, 2000). |
---|
3350 | !------------------------------------------------------------------------------! |
---|
3351 | SUBROUTINE condensation_ij( i, j ) |
---|
3352 | |
---|
3353 | IMPLICIT NONE |
---|
3354 | |
---|
3355 | INTEGER(iwp) :: i !< |
---|
3356 | INTEGER(iwp) :: j !< |
---|
3357 | INTEGER(iwp) :: k !< |
---|
3358 | |
---|
3359 | REAL(wp) :: cond !< |
---|
3360 | REAL(wp) :: cond_max !< |
---|
3361 | REAL(wp) :: dc !< |
---|
3362 | REAL(wp) :: evap !< |
---|
3363 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
3364 | REAL(wp) :: g_fac !< |
---|
3365 | REAL(wp) :: nc_0 !< |
---|
3366 | REAL(wp) :: temp !< |
---|
3367 | REAL(wp) :: xc !< |
---|
3368 | |
---|
3369 | |
---|
3370 | DO k = nzb+1, nzt |
---|
3371 | ! |
---|
3372 | !-- Predetermine flag to mask topography |
---|
3373 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3374 | ! |
---|
3375 | !-- Call calculation of supersaturation |
---|
3376 | CALL supersaturation ( i, j, k ) |
---|
3377 | ! |
---|
3378 | !-- Actual temperature: |
---|
3379 | temp = t_l + lv_d_cp * ( qc(k,j,i) + qr(k,j,i) ) |
---|
3380 | |
---|
3381 | g_fac = 1.0_wp / ( ( l_v / ( r_v * temp ) - 1.0_wp ) * & |
---|
3382 | l_v / ( thermal_conductivity_l * temp ) & |
---|
3383 | + r_v * temp / ( diff_coeff_l * e_s ) & |
---|
3384 | ) |
---|
3385 | ! |
---|
3386 | !-- Mean weight of cloud drops |
---|
3387 | IF ( nc(k,j,i) <= 0.0_wp) CYCLE |
---|
3388 | xc = MAX( (hyrho(k) * qc(k,j,i) / nc(k,j,i)), xcmin) |
---|
3389 | ! |
---|
3390 | !-- Weight averaged diameter of cloud drops: |
---|
3391 | dc = ( xc * dpirho_l )**( 1.0_wp / 3.0_wp ) |
---|
3392 | ! |
---|
3393 | !-- Integral diameter of cloud drops |
---|
3394 | nc_0 = nc(k,j,i) * dc |
---|
3395 | ! |
---|
3396 | !-- Condensation needs only to be calculated in supersaturated regions |
---|
3397 | IF ( sat > 0.0_wp ) THEN |
---|
3398 | ! |
---|
3399 | !-- Condensation rate of cloud water content |
---|
3400 | !-- after KK scheme. |
---|
3401 | !-- (see: Khairoutdinov + Kogan, 2000, Mon. Wea. Rev.,128) |
---|
3402 | cond = 2.0_wp * pi * nc_0 * g_fac * sat / hyrho(k) |
---|
3403 | cond_max = q(k,j,i) - q_s - qc(k,j,i) - qr(k,j,i) |
---|
3404 | cond = MIN( cond, cond_max / dt_micro ) |
---|
3405 | |
---|
3406 | qc(k,j,i) = qc(k,j,i) + cond * dt_micro * flag |
---|
3407 | ELSEIF ( sat < 0.0_wp ) THEN |
---|
3408 | evap = 2.0_wp * pi * nc_0 * g_fac * sat / hyrho(k) |
---|
3409 | evap = MAX( evap, -qc(k,j,i) / dt_micro ) |
---|
3410 | |
---|
3411 | qc(k,j,i) = qc(k,j,i) + evap * dt_micro * flag |
---|
3412 | ENDIF |
---|
3413 | ENDDO |
---|
3414 | |
---|
3415 | END SUBROUTINE condensation_ij |
---|
3416 | |
---|
3417 | |
---|
3418 | !------------------------------------------------------------------------------! |
---|
3419 | ! Description: |
---|
3420 | ! ------------ |
---|
3421 | !> Autoconversion rate (Seifert and Beheng, 2006). Call for grid point i,j |
---|
3422 | !------------------------------------------------------------------------------! |
---|
3423 | SUBROUTINE autoconversion_ij( i, j ) |
---|
3424 | |
---|
3425 | IMPLICIT NONE |
---|
3426 | |
---|
3427 | INTEGER(iwp) :: i !< |
---|
3428 | INTEGER(iwp) :: j !< |
---|
3429 | INTEGER(iwp) :: k !< |
---|
3430 | |
---|
3431 | REAL(wp) :: alpha_cc !< |
---|
3432 | REAL(wp) :: autocon !< |
---|
3433 | REAL(wp) :: dissipation !< |
---|
3434 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
3435 | REAL(wp) :: k_au !< |
---|
3436 | REAL(wp) :: l_mix !< |
---|
3437 | REAL(wp) :: nc_auto !< |
---|
3438 | REAL(wp) :: nu_c !< |
---|
3439 | REAL(wp) :: phi_au !< |
---|
3440 | REAL(wp) :: r_cc !< |
---|
3441 | REAL(wp) :: rc !< |
---|
3442 | REAL(wp) :: re_lambda !< |
---|
3443 | REAL(wp) :: sigma_cc !< |
---|
3444 | REAL(wp) :: tau_cloud !< |
---|
3445 | REAL(wp) :: xc !< |
---|
3446 | |
---|
3447 | DO k = nzb+1, nzt |
---|
3448 | ! |
---|
3449 | !-- Predetermine flag to mask topography |
---|
3450 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3451 | IF ( microphysics_morrison ) THEN |
---|
3452 | nc_auto = nc(k,j,i) |
---|
3453 | ELSE |
---|
3454 | nc_auto = nc_const |
---|
3455 | ENDIF |
---|
3456 | |
---|
3457 | IF ( qc(k,j,i) > eps_sb .AND. nc_auto > eps_mr ) THEN |
---|
3458 | |
---|
3459 | k_au = k_cc / ( 20.0_wp * x0 ) |
---|
3460 | ! |
---|
3461 | !-- Intern time scale of coagulation (Seifert and Beheng, 2006): |
---|
3462 | !-- (1.0_wp - qc(k,j,i) / ( qc(k,j,i) + qr(k,j,i) )) |
---|
3463 | tau_cloud = MAX( 1.0_wp - qc(k,j,i) / ( qr(k,j,i) + qc(k,j,i) ), & |
---|
3464 | 0.0_wp ) |
---|
3465 | ! |
---|
3466 | !-- Universal function for autoconversion process |
---|
3467 | !-- (Seifert and Beheng, 2006): |
---|
3468 | phi_au = 600.0_wp * tau_cloud**0.68_wp * ( 1.0_wp - tau_cloud**0.68_wp )**3 |
---|
3469 | ! |
---|
3470 | !-- Shape parameter of gamma distribution (Geoffroy et al., 2010): |
---|
3471 | !-- (Use constant nu_c = 1.0_wp instead?) |
---|
3472 | nu_c = 1.0_wp !MAX( 0.0_wp, 1580.0_wp * hyrho(k) * qc(k,j,i) - 0.28_wp ) |
---|
3473 | ! |
---|
3474 | !-- Mean weight of cloud droplets: |
---|
3475 | xc = hyrho(k) * qc(k,j,i) / nc_auto |
---|
3476 | ! |
---|
3477 | !-- Parameterized turbulence effects on autoconversion (Seifert, |
---|
3478 | !-- Nuijens and Stevens, 2010) |
---|
3479 | IF ( collision_turbulence ) THEN |
---|
3480 | ! |
---|
3481 | !-- Weight averaged radius of cloud droplets: |
---|
3482 | rc = 0.5_wp * ( xc * dpirho_l )**( 1.0_wp / 3.0_wp ) |
---|
3483 | |
---|
3484 | alpha_cc = ( a_1 + a_2 * nu_c ) / ( 1.0_wp + a_3 * nu_c ) |
---|
3485 | r_cc = ( b_1 + b_2 * nu_c ) / ( 1.0_wp + b_3 * nu_c ) |
---|
3486 | sigma_cc = ( c_1 + c_2 * nu_c ) / ( 1.0_wp + c_3 * nu_c ) |
---|
3487 | ! |
---|
3488 | !-- Mixing length (neglecting distance to ground and stratification) |
---|
3489 | l_mix = ( dx * dy * dzu(k) )**( 1.0_wp / 3.0_wp ) |
---|
3490 | ! |
---|
3491 | !-- Limit dissipation rate according to Seifert, Nuijens and |
---|
3492 | !-- Stevens (2010) |
---|
3493 | dissipation = MIN( 0.06_wp, diss(k,j,i) ) |
---|
3494 | ! |
---|
3495 | !-- Compute Taylor-microscale Reynolds number: |
---|
3496 | re_lambda = 6.0_wp / 11.0_wp * & |
---|
3497 | ( l_mix / c_const )**( 2.0_wp / 3.0_wp ) * & |
---|
3498 | SQRT( 15.0_wp / kin_vis_air ) * & |
---|
3499 | dissipation**( 1.0_wp / 6.0_wp ) |
---|
3500 | ! |
---|
3501 | !-- The factor of 1.0E4 is needed to convert the dissipation rate |
---|
3502 | !-- from m2 s-3 to cm2 s-3. |
---|
3503 | k_au = k_au * ( 1.0_wp + & |
---|
3504 | dissipation * 1.0E4_wp * & |
---|
3505 | ( re_lambda * 1.0E-3_wp )**0.25_wp * & |
---|
3506 | ( alpha_cc * EXP( -1.0_wp * ( ( rc - r_cc ) / & |
---|
3507 | sigma_cc )**2 & |
---|
3508 | ) + beta_cc & |
---|
3509 | ) & |
---|
3510 | ) |
---|
3511 | ENDIF |
---|
3512 | ! |
---|
3513 | !-- Autoconversion rate (Seifert and Beheng, 2006): |
---|
3514 | autocon = k_au * ( nu_c + 2.0_wp ) * ( nu_c + 4.0_wp ) / & |
---|
3515 | ( nu_c + 1.0_wp )**2 * qc(k,j,i)**2 * xc**2 * & |
---|
3516 | ( 1.0_wp + phi_au / ( 1.0_wp - tau_cloud )**2 ) * & |
---|
3517 | rho_surface |
---|
3518 | autocon = MIN( autocon, qc(k,j,i) / dt_micro ) |
---|
3519 | |
---|
3520 | qr(k,j,i) = qr(k,j,i) + autocon * dt_micro * flag |
---|
3521 | qc(k,j,i) = qc(k,j,i) - autocon * dt_micro * flag |
---|
3522 | nr(k,j,i) = nr(k,j,i) + autocon / x0 * hyrho(k) * dt_micro * flag |
---|
3523 | IF ( microphysics_morrison ) THEN |
---|
3524 | nc(k,j,i) = nc(k,j,i) - MIN( nc(k,j,i), 2.0_wp * & |
---|
3525 | autocon / x0 * hyrho(k) * dt_micro * flag ) |
---|
3526 | ENDIF |
---|
3527 | |
---|
3528 | ENDIF |
---|
3529 | |
---|
3530 | ENDDO |
---|
3531 | |
---|
3532 | END SUBROUTINE autoconversion_ij |
---|
3533 | |
---|
3534 | !------------------------------------------------------------------------------! |
---|
3535 | ! Description: |
---|
3536 | ! ------------ |
---|
3537 | !> Autoconversion process (Kessler, 1969). |
---|
3538 | !------------------------------------------------------------------------------! |
---|
3539 | SUBROUTINE autoconversion_kessler_ij( i, j ) |
---|
3540 | |
---|
3541 | |
---|
3542 | IMPLICIT NONE |
---|
3543 | |
---|
3544 | INTEGER(iwp) :: i !< |
---|
3545 | INTEGER(iwp) :: j !< |
---|
3546 | INTEGER(iwp) :: k !< |
---|
3547 | INTEGER(iwp) :: k_wall !< topography top index |
---|
3548 | |
---|
3549 | REAL(wp) :: dqdt_precip !< |
---|
3550 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
3551 | |
---|
3552 | ! |
---|
3553 | !-- Determine vertical index of topography top |
---|
3554 | k_wall = get_topography_top_index_ji( j, i, 's' ) |
---|
3555 | DO k = nzb+1, nzt |
---|
3556 | ! |
---|
3557 | !-- Predetermine flag to mask topography |
---|
3558 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3559 | |
---|
3560 | IF ( qc(k,j,i) > ql_crit ) THEN |
---|
3561 | dqdt_precip = prec_time_const * ( qc(k,j,i) - ql_crit ) |
---|
3562 | ELSE |
---|
3563 | dqdt_precip = 0.0_wp |
---|
3564 | ENDIF |
---|
3565 | |
---|
3566 | qc(k,j,i) = qc(k,j,i) - dqdt_precip * dt_micro * flag |
---|
3567 | q(k,j,i) = q(k,j,i) - dqdt_precip * dt_micro * flag |
---|
3568 | pt(k,j,i) = pt(k,j,i) + dqdt_precip * dt_micro * lv_d_cp * d_exner(k) & |
---|
3569 | * flag |
---|
3570 | |
---|
3571 | ! |
---|
3572 | !-- Compute the rain rate (stored on surface grid point) |
---|
3573 | prr(k_wall,j,i) = prr(k_wall,j,i) + dqdt_precip * dzw(k) * flag |
---|
3574 | |
---|
3575 | ENDDO |
---|
3576 | |
---|
3577 | END SUBROUTINE autoconversion_kessler_ij |
---|
3578 | |
---|
3579 | !------------------------------------------------------------------------------! |
---|
3580 | ! Description: |
---|
3581 | ! ------------ |
---|
3582 | !> Accretion rate (Seifert and Beheng, 2006). Call for grid point i,j |
---|
3583 | !------------------------------------------------------------------------------! |
---|
3584 | SUBROUTINE accretion_ij( i, j ) |
---|
3585 | |
---|
3586 | IMPLICIT NONE |
---|
3587 | |
---|
3588 | INTEGER(iwp) :: i !< |
---|
3589 | INTEGER(iwp) :: j !< |
---|
3590 | INTEGER(iwp) :: k !< |
---|
3591 | |
---|
3592 | REAL(wp) :: accr !< |
---|
3593 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
3594 | REAL(wp) :: k_cr !< |
---|
3595 | REAL(wp) :: nc_accr !< |
---|
3596 | REAL(wp) :: phi_ac !< |
---|
3597 | REAL(wp) :: tau_cloud !< |
---|
3598 | REAL(wp) :: xc !< |
---|
3599 | |
---|
3600 | |
---|
3601 | DO k = nzb+1, nzt |
---|
3602 | ! |
---|
3603 | !-- Predetermine flag to mask topography |
---|
3604 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3605 | IF ( microphysics_morrison ) THEN |
---|
3606 | nc_accr = nc(k,j,i) |
---|
3607 | ELSE |
---|
3608 | nc_accr = nc_const |
---|
3609 | ENDIF |
---|
3610 | |
---|
3611 | IF ( ( qc(k,j,i) > eps_sb ) .AND. ( qr(k,j,i) > eps_sb ) .AND. & |
---|
3612 | ( nc_accr > eps_mr ) ) THEN |
---|
3613 | ! |
---|
3614 | !-- Intern time scale of coagulation (Seifert and Beheng, 2006): |
---|
3615 | tau_cloud = 1.0_wp - qc(k,j,i) / ( qc(k,j,i) + qr(k,j,i) ) |
---|
3616 | ! |
---|
3617 | !-- Universal function for accretion process |
---|
3618 | !-- (Seifert and Beheng, 2001): |
---|
3619 | phi_ac = ( tau_cloud / ( tau_cloud + 5.0E-5_wp ) )**4 |
---|
3620 | |
---|
3621 | ! |
---|
3622 | !-- Mean weight of cloud drops |
---|
3623 | xc = MAX( (hyrho(k) * qc(k,j,i) / nc_accr), xcmin) |
---|
3624 | ! |
---|
3625 | !-- Parameterized turbulence effects on autoconversion (Seifert, |
---|
3626 | !-- Nuijens and Stevens, 2010). The factor of 1.0E4 is needed to |
---|
3627 | !-- convert the dissipation rate (diss) from m2 s-3 to cm2 s-3. |
---|
3628 | IF ( collision_turbulence ) THEN |
---|
3629 | k_cr = k_cr0 * ( 1.0_wp + 0.05_wp * & |
---|
3630 | MIN( 600.0_wp, & |
---|
3631 | diss(k,j,i) * 1.0E4_wp )**0.25_wp & |
---|
3632 | ) |
---|
3633 | ELSE |
---|
3634 | k_cr = k_cr0 |
---|
3635 | ENDIF |
---|
3636 | ! |
---|
3637 | !-- Accretion rate (Seifert and Beheng, 2006): |
---|
3638 | accr = k_cr * qc(k,j,i) * qr(k,j,i) * phi_ac * & |
---|
3639 | SQRT( rho_surface * hyrho(k) ) |
---|
3640 | accr = MIN( accr, qc(k,j,i) / dt_micro ) |
---|
3641 | |
---|
3642 | qr(k,j,i) = qr(k,j,i) + accr * dt_micro * flag |
---|
3643 | qc(k,j,i) = qc(k,j,i) - accr * dt_micro * flag |
---|
3644 | IF ( microphysics_morrison ) THEN |
---|
3645 | nc(k,j,i) = nc(k,j,i) - MIN( nc(k,j,i), accr / xc * & |
---|
3646 | hyrho(k) * dt_micro * flag & |
---|
3647 | ) |
---|
3648 | ENDIF |
---|
3649 | |
---|
3650 | |
---|
3651 | ENDIF |
---|
3652 | |
---|
3653 | ENDDO |
---|
3654 | |
---|
3655 | END SUBROUTINE accretion_ij |
---|
3656 | |
---|
3657 | |
---|
3658 | !------------------------------------------------------------------------------! |
---|
3659 | ! Description: |
---|
3660 | ! ------------ |
---|
3661 | !> Collisional breakup rate (Seifert, 2008). Call for grid point i,j |
---|
3662 | !------------------------------------------------------------------------------! |
---|
3663 | SUBROUTINE selfcollection_breakup_ij( i, j ) |
---|
3664 | |
---|
3665 | IMPLICIT NONE |
---|
3666 | |
---|
3667 | INTEGER(iwp) :: i !< |
---|
3668 | INTEGER(iwp) :: j !< |
---|
3669 | INTEGER(iwp) :: k !< |
---|
3670 | |
---|
3671 | REAL(wp) :: breakup !< |
---|
3672 | REAL(wp) :: dr !< |
---|
3673 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
3674 | REAL(wp) :: phi_br !< |
---|
3675 | REAL(wp) :: selfcoll !< |
---|
3676 | |
---|
3677 | DO k = nzb+1, nzt |
---|
3678 | ! |
---|
3679 | !-- Predetermine flag to mask topography |
---|
3680 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3681 | |
---|
3682 | IF ( qr(k,j,i) > eps_sb ) THEN |
---|
3683 | ! |
---|
3684 | !-- Selfcollection rate (Seifert and Beheng, 2001): |
---|
3685 | selfcoll = k_rr * nr(k,j,i) * qr(k,j,i) * SQRT( hyrho(k) * rho_surface ) |
---|
3686 | ! |
---|
3687 | !-- Weight averaged diameter of rain drops: |
---|
3688 | dr = ( hyrho(k) * qr(k,j,i) / nr(k,j,i) * dpirho_l )**( 1.0_wp / 3.0_wp ) |
---|
3689 | ! |
---|
3690 | !-- Collisional breakup rate (Seifert, 2008): |
---|
3691 | IF ( dr >= 0.3E-3_wp ) THEN |
---|
3692 | phi_br = k_br * ( dr - 1.1E-3_wp ) |
---|
3693 | breakup = selfcoll * ( phi_br + 1.0_wp ) |
---|
3694 | ELSE |
---|
3695 | breakup = 0.0_wp |
---|
3696 | ENDIF |
---|
3697 | |
---|
3698 | selfcoll = MAX( breakup - selfcoll, -nr(k,j,i) / dt_micro ) |
---|
3699 | nr(k,j,i) = nr(k,j,i) + selfcoll * dt_micro * flag |
---|
3700 | |
---|
3701 | ENDIF |
---|
3702 | ENDDO |
---|
3703 | |
---|
3704 | END SUBROUTINE selfcollection_breakup_ij |
---|
3705 | |
---|
3706 | |
---|
3707 | !------------------------------------------------------------------------------! |
---|
3708 | ! Description: |
---|
3709 | ! ------------ |
---|
3710 | !> Evaporation of precipitable water. Condensation is neglected for |
---|
3711 | !> precipitable water. Call for grid point i,j |
---|
3712 | !------------------------------------------------------------------------------! |
---|
3713 | SUBROUTINE evaporation_rain_ij( i, j ) |
---|
3714 | |
---|
3715 | IMPLICIT NONE |
---|
3716 | |
---|
3717 | INTEGER(iwp) :: i !< |
---|
3718 | INTEGER(iwp) :: j !< |
---|
3719 | INTEGER(iwp) :: k !< |
---|
3720 | |
---|
3721 | REAL(wp) :: dr !< |
---|
3722 | REAL(wp) :: evap !< |
---|
3723 | REAL(wp) :: evap_nr !< |
---|
3724 | REAL(wp) :: f_vent !< |
---|
3725 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
3726 | REAL(wp) :: g_evap !< |
---|
3727 | REAL(wp) :: lambda_r !< |
---|
3728 | REAL(wp) :: mu_r !< |
---|
3729 | REAL(wp) :: mu_r_2 !< |
---|
3730 | REAL(wp) :: mu_r_5d2 !< |
---|
3731 | REAL(wp) :: nr_0 !< |
---|
3732 | REAL(wp) :: temp !< |
---|
3733 | REAL(wp) :: xr !< |
---|
3734 | |
---|
3735 | DO k = nzb+1, nzt |
---|
3736 | ! |
---|
3737 | !-- Predetermine flag to mask topography |
---|
3738 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3739 | |
---|
3740 | IF ( qr(k,j,i) > eps_sb ) THEN |
---|
3741 | ! |
---|
3742 | !-- Call calculation of supersaturation |
---|
3743 | CALL supersaturation ( i, j, k ) |
---|
3744 | ! |
---|
3745 | !-- Evaporation needs only to be calculated in subsaturated regions |
---|
3746 | IF ( sat < 0.0_wp ) THEN |
---|
3747 | ! |
---|
3748 | !-- Actual temperature: |
---|
3749 | temp = t_l + lv_d_cp * ( qc(k,j,i) + qr(k,j,i) ) |
---|
3750 | |
---|
3751 | g_evap = 1.0_wp / ( ( l_v / ( r_v * temp ) - 1.0_wp ) * l_v / & |
---|
3752 | ( thermal_conductivity_l * temp ) + & |
---|
3753 | r_v * temp / ( diff_coeff_l * e_s ) & |
---|
3754 | ) |
---|
3755 | ! |
---|
3756 | !-- Mean weight of rain drops |
---|
3757 | xr = hyrho(k) * qr(k,j,i) / nr(k,j,i) |
---|
3758 | ! |
---|
3759 | !-- Weight averaged diameter of rain drops: |
---|
3760 | dr = ( xr * dpirho_l )**( 1.0_wp / 3.0_wp ) |
---|
3761 | ! |
---|
3762 | !-- Compute ventilation factor and intercept parameter |
---|
3763 | !-- (Seifert and Beheng, 2006; Seifert, 2008): |
---|
3764 | IF ( ventilation_effect ) THEN |
---|
3765 | ! |
---|
3766 | !-- Shape parameter of gamma distribution (Milbrandt and Yau, 2005; |
---|
3767 | !-- Stevens and Seifert, 2008): |
---|
3768 | mu_r = 10.0_wp * ( 1.0_wp + TANH( 1.2E3_wp * ( dr - 1.4E-3_wp ) ) ) |
---|
3769 | ! |
---|
3770 | !-- Slope parameter of gamma distribution (Seifert, 2008): |
---|
3771 | lambda_r = ( ( mu_r + 3.0_wp ) * ( mu_r + 2.0_wp ) * & |
---|
3772 | ( mu_r + 1.0_wp ) & |
---|
3773 | )**( 1.0_wp / 3.0_wp ) / dr |
---|
3774 | |
---|
3775 | mu_r_2 = mu_r + 2.0_wp |
---|
3776 | mu_r_5d2 = mu_r + 2.5_wp |
---|
3777 | |
---|
3778 | f_vent = a_vent * gamm( mu_r_2 ) * lambda_r**( -mu_r_2 ) + & |
---|
3779 | b_vent * schmidt_p_1d3 * & |
---|
3780 | SQRT( a_term / kin_vis_air ) * gamm( mu_r_5d2 ) * & |
---|
3781 | lambda_r**( -mu_r_5d2 ) * & |
---|
3782 | ( 1.0_wp - & |
---|
3783 | 0.5_wp * ( b_term / a_term ) * & |
---|
3784 | ( lambda_r / ( c_term + lambda_r ) & |
---|
3785 | )**mu_r_5d2 - & |
---|
3786 | 0.125_wp * ( b_term / a_term )**2 * & |
---|
3787 | ( lambda_r / ( 2.0_wp * c_term + lambda_r ) & |
---|
3788 | )**mu_r_5d2 - & |
---|
3789 | 0.0625_wp * ( b_term / a_term )**3 * & |
---|
3790 | ( lambda_r / ( 3.0_wp * c_term + lambda_r ) & |
---|
3791 | )**mu_r_5d2 - & |
---|
3792 | 0.0390625_wp * ( b_term / a_term )**4 * & |
---|
3793 | ( lambda_r / ( 4.0_wp * c_term + lambda_r ) & |
---|
3794 | )**mu_r_5d2 & |
---|
3795 | ) |
---|
3796 | |
---|
3797 | nr_0 = nr(k,j,i) * lambda_r**( mu_r + 1.0_wp ) / & |
---|
3798 | gamm( mu_r + 1.0_wp ) |
---|
3799 | ELSE |
---|
3800 | f_vent = 1.0_wp |
---|
3801 | nr_0 = nr(k,j,i) * dr |
---|
3802 | ENDIF |
---|
3803 | ! |
---|
3804 | !-- Evaporation rate of rain water content (Seifert and Beheng, 2006): |
---|
3805 | evap = 2.0_wp * pi * nr_0 * g_evap * f_vent * sat / hyrho(k) |
---|
3806 | evap = MAX( evap, -qr(k,j,i) / dt_micro ) |
---|
3807 | evap_nr = MAX( c_evap * evap / xr * hyrho(k), & |
---|
3808 | -nr(k,j,i) / dt_micro ) |
---|
3809 | |
---|
3810 | qr(k,j,i) = qr(k,j,i) + evap * dt_micro * flag |
---|
3811 | nr(k,j,i) = nr(k,j,i) + evap_nr * dt_micro * flag |
---|
3812 | |
---|
3813 | ENDIF |
---|
3814 | ENDIF |
---|
3815 | |
---|
3816 | ENDDO |
---|
3817 | |
---|
3818 | END SUBROUTINE evaporation_rain_ij |
---|
3819 | |
---|
3820 | |
---|
3821 | !------------------------------------------------------------------------------! |
---|
3822 | ! Description: |
---|
3823 | ! ------------ |
---|
3824 | !> Sedimentation of cloud droplets (Ackermann et al., 2009, MWR). |
---|
3825 | !> Call for grid point i,j |
---|
3826 | !------------------------------------------------------------------------------! |
---|
3827 | SUBROUTINE sedimentation_cloud_ij( i, j ) |
---|
3828 | |
---|
3829 | IMPLICIT NONE |
---|
3830 | |
---|
3831 | INTEGER(iwp) :: i !< |
---|
3832 | INTEGER(iwp) :: j !< |
---|
3833 | INTEGER(iwp) :: k !< |
---|
3834 | |
---|
3835 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
3836 | REAL(wp) :: nc_sedi !< |
---|
3837 | |
---|
3838 | REAL(wp), DIMENSION(nzb:nzt+1) :: sed_nc !< |
---|
3839 | REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qc !< |
---|
3840 | |
---|
3841 | sed_qc(nzt+1) = 0.0_wp |
---|
3842 | sed_nc(nzt+1) = 0.0_wp |
---|
3843 | |
---|
3844 | |
---|
3845 | DO k = nzt, nzb+1, -1 |
---|
3846 | ! |
---|
3847 | !-- Predetermine flag to mask topography |
---|
3848 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3849 | IF ( microphysics_morrison ) THEN |
---|
3850 | nc_sedi = nc(k,j,i) |
---|
3851 | ELSE |
---|
3852 | nc_sedi = nc_const |
---|
3853 | ENDIF |
---|
3854 | ! |
---|
3855 | !-- Sedimentation fluxes for number concentration are only calculated |
---|
3856 | !-- for cloud_scheme = 'morrison' |
---|
3857 | IF ( microphysics_morrison ) THEN |
---|
3858 | IF ( qc(k,j,i) > eps_sb .AND. nc(k,j,i) > eps_mr ) THEN |
---|
3859 | sed_nc(k) = sed_qc_const * & |
---|
3860 | ( qc(k,j,i) * hyrho(k) )**( 2.0_wp / 3.0_wp ) * & |
---|
3861 | ( nc(k,j,i) )**( 1.0_wp / 3.0_wp ) |
---|
3862 | ELSE |
---|
3863 | sed_nc(k) = 0.0_wp |
---|
3864 | ENDIF |
---|
3865 | |
---|
3866 | sed_nc(k) = MIN( sed_nc(k), hyrho(k) * dzu(k+1) * & |
---|
3867 | nc(k,j,i) / dt_micro + sed_nc(k+1) & |
---|
3868 | ) * flag |
---|
3869 | |
---|
3870 | nc(k,j,i) = nc(k,j,i) + ( sed_nc(k+1) - sed_nc(k) ) * & |
---|
3871 | ddzu(k+1) / hyrho(k) * dt_micro * flag |
---|
3872 | ENDIF |
---|
3873 | |
---|
3874 | IF ( qc(k,j,i) > eps_sb .AND. nc_sedi > eps_mr ) THEN |
---|
3875 | sed_qc(k) = sed_qc_const * nc_sedi**( -2.0_wp / 3.0_wp ) * & |
---|
3876 | ( qc(k,j,i) * hyrho(k) )**( 5.0_wp / 3.0_wp ) * flag |
---|
3877 | ELSE |
---|
3878 | sed_qc(k) = 0.0_wp |
---|
3879 | ENDIF |
---|
3880 | |
---|
3881 | sed_qc(k) = MIN( sed_qc(k), hyrho(k) * dzu(k+1) * q(k,j,i) / & |
---|
3882 | dt_micro + sed_qc(k+1) & |
---|
3883 | ) * flag |
---|
3884 | |
---|
3885 | q(k,j,i) = q(k,j,i) + ( sed_qc(k+1) - sed_qc(k) ) * ddzu(k+1) / & |
---|
3886 | hyrho(k) * dt_micro * flag |
---|
3887 | qc(k,j,i) = qc(k,j,i) + ( sed_qc(k+1) - sed_qc(k) ) * ddzu(k+1) / & |
---|
3888 | hyrho(k) * dt_micro * flag |
---|
3889 | pt(k,j,i) = pt(k,j,i) - ( sed_qc(k+1) - sed_qc(k) ) * ddzu(k+1) / & |
---|
3890 | hyrho(k) * lv_d_cp * d_exner(k) * dt_micro & |
---|
3891 | * flag |
---|
3892 | |
---|
3893 | ! |
---|
3894 | !-- Compute the precipitation rate of cloud (fog) droplets |
---|
3895 | IF ( call_microphysics_at_all_substeps ) THEN |
---|
3896 | prr(k,j,i) = prr(k,j,i) + sed_qc(k) / hyrho(k) * & |
---|
3897 | weight_substep(intermediate_timestep_count) * flag |
---|
3898 | ELSE |
---|
3899 | prr(k,j,i) = prr(k,j,i) + sed_qc(k) / hyrho(k) * flag |
---|
3900 | ENDIF |
---|
3901 | |
---|
3902 | ENDDO |
---|
3903 | |
---|
3904 | END SUBROUTINE sedimentation_cloud_ij |
---|
3905 | |
---|
3906 | |
---|
3907 | !------------------------------------------------------------------------------! |
---|
3908 | ! Description: |
---|
3909 | ! ------------ |
---|
3910 | !> Computation of sedimentation flux. Implementation according to Stevens |
---|
3911 | !> and Seifert (2008). Code is based on UCLA-LES. Call for grid point i,j |
---|
3912 | !------------------------------------------------------------------------------! |
---|
3913 | SUBROUTINE sedimentation_rain_ij( i, j ) |
---|
3914 | |
---|
3915 | IMPLICIT NONE |
---|
3916 | |
---|
3917 | INTEGER(iwp) :: i !< running index x direction |
---|
3918 | INTEGER(iwp) :: j !< running index y direction |
---|
3919 | INTEGER(iwp) :: k !< running index z direction |
---|
3920 | INTEGER(iwp) :: k_run !< |
---|
3921 | INTEGER(iwp) :: m !< running index surface elements |
---|
3922 | INTEGER(iwp) :: surf_e !< End index of surface elements at (j,i)-gridpoint |
---|
3923 | INTEGER(iwp) :: surf_s !< Start index of surface elements at (j,i)-gridpoint |
---|
3924 | |
---|
3925 | REAL(wp) :: c_run !< |
---|
3926 | REAL(wp) :: d_max !< |
---|
3927 | REAL(wp) :: d_mean !< |
---|
3928 | REAL(wp) :: d_min !< |
---|
3929 | REAL(wp) :: dr !< |
---|
3930 | REAL(wp) :: flux !< |
---|
3931 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
3932 | REAL(wp) :: lambda_r !< |
---|
3933 | REAL(wp) :: mu_r !< |
---|
3934 | REAL(wp) :: z_run !< |
---|
3935 | |
---|
3936 | REAL(wp), DIMENSION(nzb:nzt+1) :: c_nr !< |
---|
3937 | REAL(wp), DIMENSION(nzb:nzt+1) :: c_qr !< |
---|
3938 | REAL(wp), DIMENSION(nzb:nzt+1) :: nr_slope !< |
---|
3939 | REAL(wp), DIMENSION(nzb:nzt+1) :: qr_slope !< |
---|
3940 | REAL(wp), DIMENSION(nzb:nzt+1) :: sed_nr !< |
---|
3941 | REAL(wp), DIMENSION(nzb:nzt+1) :: sed_qr !< |
---|
3942 | REAL(wp), DIMENSION(nzb:nzt+1) :: w_nr !< |
---|
3943 | REAL(wp), DIMENSION(nzb:nzt+1) :: w_qr !< |
---|
3944 | |
---|
3945 | ! |
---|
3946 | !-- Compute velocities |
---|
3947 | DO k = nzb+1, nzt |
---|
3948 | ! |
---|
3949 | !-- Predetermine flag to mask topography |
---|
3950 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
3951 | |
---|
3952 | IF ( qr(k,j,i) > eps_sb ) THEN |
---|
3953 | ! |
---|
3954 | !-- Weight averaged diameter of rain drops: |
---|
3955 | dr = ( hyrho(k) * qr(k,j,i) / nr(k,j,i) * dpirho_l )**( 1.0_wp / 3.0_wp ) |
---|
3956 | ! |
---|
3957 | !-- Shape parameter of gamma distribution (Milbrandt and Yau, 2005; |
---|
3958 | !-- Stevens and Seifert, 2008): |
---|
3959 | mu_r = 10.0_wp * ( 1.0_wp + TANH( 1.2E3_wp * ( dr - 1.4E-3_wp ) ) ) |
---|
3960 | ! |
---|
3961 | !-- Slope parameter of gamma distribution (Seifert, 2008): |
---|
3962 | lambda_r = ( ( mu_r + 3.0_wp ) * ( mu_r + 2.0_wp ) * & |
---|
3963 | ( mu_r + 1.0_wp ) )**( 1.0_wp / 3.0_wp ) / dr |
---|
3964 | |
---|
3965 | w_nr(k) = MAX( 0.1_wp, MIN( 20.0_wp, & |
---|
3966 | a_term - b_term * ( 1.0_wp + & |
---|
3967 | c_term / lambda_r )**( -1.0_wp * & |
---|
3968 | ( mu_r + 1.0_wp ) ) & |
---|
3969 | ) & |
---|
3970 | ) * flag |
---|
3971 | w_qr(k) = MAX( 0.1_wp, MIN( 20.0_wp, & |
---|
3972 | a_term - b_term * ( 1.0_wp + & |
---|
3973 | c_term / lambda_r )**( -1.0_wp * & |
---|
3974 | ( mu_r + 4.0_wp ) ) & |
---|
3975 | ) & |
---|
3976 | ) * flag |
---|
3977 | ELSE |
---|
3978 | w_nr(k) = 0.0_wp |
---|
3979 | w_qr(k) = 0.0_wp |
---|
3980 | ENDIF |
---|
3981 | ENDDO |
---|
3982 | ! |
---|
3983 | !-- Adjust boundary values using surface data type. |
---|
3984 | !-- Upward facing non-natural |
---|
3985 | surf_s = bc_h(0)%start_index(j,i) |
---|
3986 | surf_e = bc_h(0)%end_index(j,i) |
---|
3987 | DO m = surf_s, surf_e |
---|
3988 | k = bc_h(0)%k(m) |
---|
3989 | w_nr(k-1) = w_nr(k) |
---|
3990 | w_qr(k-1) = w_qr(k) |
---|
3991 | ENDDO |
---|
3992 | ! |
---|
3993 | !-- Downward facing non-natural |
---|
3994 | surf_s = bc_h(1)%start_index(j,i) |
---|
3995 | surf_e = bc_h(1)%end_index(j,i) |
---|
3996 | DO m = surf_s, surf_e |
---|
3997 | k = bc_h(1)%k(m) |
---|
3998 | w_nr(k+1) = w_nr(k) |
---|
3999 | w_qr(k+1) = w_qr(k) |
---|
4000 | ENDDO |
---|
4001 | ! |
---|
4002 | !-- Neumann boundary condition at model top |
---|
4003 | w_nr(nzt+1) = 0.0_wp |
---|
4004 | w_qr(nzt+1) = 0.0_wp |
---|
4005 | ! |
---|
4006 | !-- Compute Courant number |
---|
4007 | DO k = nzb+1, nzt |
---|
4008 | ! |
---|
4009 | !-- Predetermine flag to mask topography |
---|
4010 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4011 | |
---|
4012 | c_nr(k) = 0.25_wp * ( w_nr(k-1) + 2.0_wp * w_nr(k) + w_nr(k+1) ) * & |
---|
4013 | dt_micro * ddzu(k) * flag |
---|
4014 | c_qr(k) = 0.25_wp * ( w_qr(k-1) + 2.0_wp * w_qr(k) + w_qr(k+1) ) * & |
---|
4015 | dt_micro * ddzu(k) * flag |
---|
4016 | ENDDO |
---|
4017 | ! |
---|
4018 | !-- Limit slopes with monotonized centered (MC) limiter (van Leer, 1977): |
---|
4019 | IF ( limiter_sedimentation ) THEN |
---|
4020 | |
---|
4021 | DO k = nzb+1, nzt |
---|
4022 | ! |
---|
4023 | !-- Predetermine flag to mask topography |
---|
4024 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4025 | |
---|
4026 | d_mean = 0.5_wp * ( qr(k+1,j,i) - qr(k-1,j,i) ) |
---|
4027 | d_min = qr(k,j,i) - MIN( qr(k+1,j,i), qr(k,j,i), qr(k-1,j,i) ) |
---|
4028 | d_max = MAX( qr(k+1,j,i), qr(k,j,i), qr(k-1,j,i) ) - qr(k,j,i) |
---|
4029 | |
---|
4030 | qr_slope(k) = SIGN(1.0_wp, d_mean) * MIN ( 2.0_wp * d_min, & |
---|
4031 | 2.0_wp * d_max, & |
---|
4032 | ABS( d_mean ) ) * flag |
---|
4033 | |
---|
4034 | d_mean = 0.5_wp * ( nr(k+1,j,i) - nr(k-1,j,i) ) |
---|
4035 | d_min = nr(k,j,i) - MIN( nr(k+1,j,i), nr(k,j,i), nr(k-1,j,i) ) |
---|
4036 | d_max = MAX( nr(k+1,j,i), nr(k,j,i), nr(k-1,j,i) ) - nr(k,j,i) |
---|
4037 | |
---|
4038 | nr_slope(k) = SIGN(1.0_wp, d_mean) * MIN ( 2.0_wp * d_min, & |
---|
4039 | 2.0_wp * d_max, & |
---|
4040 | ABS( d_mean ) ) * flag |
---|
4041 | ENDDO |
---|
4042 | |
---|
4043 | ELSE |
---|
4044 | |
---|
4045 | nr_slope = 0.0_wp |
---|
4046 | qr_slope = 0.0_wp |
---|
4047 | |
---|
4048 | ENDIF |
---|
4049 | |
---|
4050 | sed_nr(nzt+1) = 0.0_wp |
---|
4051 | sed_qr(nzt+1) = 0.0_wp |
---|
4052 | ! |
---|
4053 | !-- Compute sedimentation flux |
---|
4054 | DO k = nzt, nzb+1, -1 |
---|
4055 | ! |
---|
4056 | !-- Predetermine flag to mask topography |
---|
4057 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4058 | ! |
---|
4059 | !-- Sum up all rain drop number densities which contribute to the flux |
---|
4060 | !-- through k-1/2 |
---|
4061 | flux = 0.0_wp |
---|
4062 | z_run = 0.0_wp ! height above z(k) |
---|
4063 | k_run = k |
---|
4064 | c_run = MIN( 1.0_wp, c_nr(k) ) |
---|
4065 | DO WHILE ( c_run > 0.0_wp .AND. k_run <= nzt ) |
---|
4066 | flux = flux + hyrho(k_run) * & |
---|
4067 | ( nr(k_run,j,i) + nr_slope(k_run) * ( 1.0_wp - c_run ) * & |
---|
4068 | 0.5_wp ) * c_run * dzu(k_run) * flag |
---|
4069 | z_run = z_run + dzu(k_run) * flag |
---|
4070 | k_run = k_run + 1 * flag |
---|
4071 | c_run = MIN( 1.0_wp, c_nr(k_run) - z_run * ddzu(k_run) ) * flag |
---|
4072 | ENDDO |
---|
4073 | ! |
---|
4074 | !-- It is not allowed to sediment more rain drop number density than |
---|
4075 | !-- available |
---|
4076 | flux = MIN( flux, & |
---|
4077 | hyrho(k) * dzu(k+1) * nr(k,j,i) + sed_nr(k+1) * dt_micro ) |
---|
4078 | |
---|
4079 | sed_nr(k) = flux / dt_micro * flag |
---|
4080 | nr(k,j,i) = nr(k,j,i) + ( sed_nr(k+1) - sed_nr(k) ) * ddzu(k+1) / & |
---|
4081 | hyrho(k) * dt_micro * flag |
---|
4082 | ! |
---|
4083 | !-- Sum up all rain water content which contributes to the flux |
---|
4084 | !-- through k-1/2 |
---|
4085 | flux = 0.0_wp |
---|
4086 | z_run = 0.0_wp ! height above z(k) |
---|
4087 | k_run = k |
---|
4088 | c_run = MIN( 1.0_wp, c_qr(k) ) |
---|
4089 | |
---|
4090 | DO WHILE ( c_run > 0.0_wp .AND. k_run <= nzt ) |
---|
4091 | |
---|
4092 | flux = flux + hyrho(k_run) * & |
---|
4093 | ( qr(k_run,j,i) + qr_slope(k_run) * ( 1.0_wp - c_run ) * & |
---|
4094 | 0.5_wp ) * c_run * dzu(k_run) * flag |
---|
4095 | z_run = z_run + dzu(k_run) * flag |
---|
4096 | k_run = k_run + 1 * flag |
---|
4097 | c_run = MIN( 1.0_wp, c_qr(k_run) - z_run * ddzu(k_run) ) * flag |
---|
4098 | |
---|
4099 | ENDDO |
---|
4100 | ! |
---|
4101 | !-- It is not allowed to sediment more rain water content than available |
---|
4102 | flux = MIN( flux, & |
---|
4103 | hyrho(k) * dzu(k) * qr(k,j,i) + sed_qr(k+1) * dt_micro ) |
---|
4104 | |
---|
4105 | sed_qr(k) = flux / dt_micro * flag |
---|
4106 | |
---|
4107 | qr(k,j,i) = qr(k,j,i) + ( sed_qr(k+1) - sed_qr(k) ) * ddzu(k+1) / & |
---|
4108 | hyrho(k) * dt_micro * flag |
---|
4109 | q(k,j,i) = q(k,j,i) + ( sed_qr(k+1) - sed_qr(k) ) * ddzu(k+1) / & |
---|
4110 | hyrho(k) * dt_micro * flag |
---|
4111 | pt(k,j,i) = pt(k,j,i) - ( sed_qr(k+1) - sed_qr(k) ) * ddzu(k+1) / & |
---|
4112 | hyrho(k) * lv_d_cp * d_exner(k) * dt_micro & |
---|
4113 | * flag |
---|
4114 | ! |
---|
4115 | !-- Compute the rain rate |
---|
4116 | IF ( call_microphysics_at_all_substeps ) THEN |
---|
4117 | prr(k,j,i) = prr(k,j,i) + sed_qr(k) / hyrho(k) & |
---|
4118 | * weight_substep(intermediate_timestep_count) * flag |
---|
4119 | ELSE |
---|
4120 | prr(k,j,i) = prr(k,j,i) + sed_qr(k) / hyrho(k) * flag |
---|
4121 | ENDIF |
---|
4122 | |
---|
4123 | ENDDO |
---|
4124 | |
---|
4125 | END SUBROUTINE sedimentation_rain_ij |
---|
4126 | |
---|
4127 | |
---|
4128 | !------------------------------------------------------------------------------! |
---|
4129 | ! Description: |
---|
4130 | ! ------------ |
---|
4131 | !> This subroutine computes the precipitation amount due to gravitational |
---|
4132 | !> settling of rain and cloud (fog) droplets |
---|
4133 | !------------------------------------------------------------------------------! |
---|
4134 | SUBROUTINE calc_precipitation_amount_ij( i, j ) |
---|
4135 | |
---|
4136 | IMPLICIT NONE |
---|
4137 | |
---|
4138 | INTEGER(iwp) :: i !< running index x direction |
---|
4139 | INTEGER(iwp) :: j !< running index y direction |
---|
4140 | INTEGER(iwp) :: k !< running index z direction |
---|
4141 | INTEGER(iwp) :: m !< running index surface elements |
---|
4142 | INTEGER(iwp) :: surf_e !< End index of surface elements at (j,i)-gridpoint |
---|
4143 | INTEGER(iwp) :: surf_s !< Start index of surface elements at (j,i)-gridpoint |
---|
4144 | |
---|
4145 | IF ( ( dt_do2d_xy - time_do2d_xy ) < precipitation_amount_interval .AND.& |
---|
4146 | ( .NOT. call_microphysics_at_all_substeps .OR. & |
---|
4147 | intermediate_timestep_count == intermediate_timestep_count_max ) ) & |
---|
4148 | THEN |
---|
4149 | |
---|
4150 | surf_s = bc_h(0)%start_index(j,i) |
---|
4151 | surf_e = bc_h(0)%end_index(j,i) |
---|
4152 | DO m = surf_s, surf_e |
---|
4153 | k = bc_h(0)%k(m) |
---|
4154 | precipitation_amount(j,i) = precipitation_amount(j,i) + & |
---|
4155 | prr(k,j,i) * hyrho(k) * dt_3d |
---|
4156 | ENDDO |
---|
4157 | |
---|
4158 | ENDIF |
---|
4159 | |
---|
4160 | END SUBROUTINE calc_precipitation_amount_ij |
---|
4161 | |
---|
4162 | |
---|
4163 | !------------------------------------------------------------------------------! |
---|
4164 | ! Description: |
---|
4165 | ! ------------ |
---|
4166 | !> Computation of the diagnostic supersaturation sat, actual liquid water |
---|
4167 | !< temperature t_l and saturation water vapor mixing ratio q_s |
---|
4168 | !------------------------------------------------------------------------------! |
---|
4169 | SUBROUTINE supersaturation ( i,j,k ) |
---|
4170 | |
---|
4171 | IMPLICIT NONE |
---|
4172 | |
---|
4173 | INTEGER(iwp) :: i !< running index |
---|
4174 | INTEGER(iwp) :: j !< running index |
---|
4175 | INTEGER(iwp) :: k !< running index |
---|
4176 | |
---|
4177 | REAL(wp) :: alpha !< correction factor |
---|
4178 | ! |
---|
4179 | !-- Actual liquid water temperature: |
---|
4180 | t_l = exner(k) * pt(k,j,i) |
---|
4181 | ! |
---|
4182 | !-- Calculate water vapor saturation pressure |
---|
4183 | e_s = magnus( t_l ) |
---|
4184 | ! |
---|
4185 | !-- Computation of saturation mixing ratio: |
---|
4186 | q_s = rd_d_rv * e_s / ( hyp(k) - e_s ) |
---|
4187 | ! |
---|
4188 | !-- Correction factor |
---|
4189 | alpha = rd_d_rv * lv_d_rd * lv_d_cp / ( t_l * t_l ) |
---|
4190 | ! |
---|
4191 | !-- Correction of the approximated value |
---|
4192 | !-- (see: Cuijpers + Duynkerke, 1993, JAS, 23) |
---|
4193 | q_s = q_s * ( 1.0_wp + alpha * q(k,j,i) ) / ( 1.0_wp + alpha * q_s ) |
---|
4194 | ! |
---|
4195 | !-- Supersaturation: |
---|
4196 | !-- Not in case of microphysics_kessler or microphysics_sat_adjust |
---|
4197 | !-- since qr is unallocated |
---|
4198 | IF ( .NOT. microphysics_kessler .AND. & |
---|
4199 | .NOT. microphysics_sat_adjust ) THEN |
---|
4200 | sat = ( q(k,j,i) - qr(k,j,i) - qc(k,j,i) ) / q_s - 1.0_wp |
---|
4201 | ENDIF |
---|
4202 | |
---|
4203 | END SUBROUTINE supersaturation |
---|
4204 | |
---|
4205 | |
---|
4206 | !------------------------------------------------------------------------------! |
---|
4207 | ! Description: |
---|
4208 | ! ------------ |
---|
4209 | !> Calculation of the liquid water content (0%-or-100%-scheme). This scheme is |
---|
4210 | !> used by the one and the two moment cloud physics scheme. Using the two moment |
---|
4211 | !> scheme, this calculation results in the cloud water content. |
---|
4212 | !------------------------------------------------------------------------------! |
---|
4213 | SUBROUTINE calc_liquid_water_content |
---|
4214 | |
---|
4215 | |
---|
4216 | |
---|
4217 | IMPLICIT NONE |
---|
4218 | |
---|
4219 | INTEGER(iwp) :: i !< |
---|
4220 | INTEGER(iwp) :: j !< |
---|
4221 | INTEGER(iwp) :: k !< |
---|
4222 | |
---|
4223 | REAL(wp) :: flag !< flag to indicate first grid level above surface |
---|
4224 | |
---|
4225 | |
---|
4226 | DO i = nxlg, nxrg |
---|
4227 | DO j = nysg, nyng |
---|
4228 | DO k = nzb+1, nzt |
---|
4229 | ! |
---|
4230 | !-- Predetermine flag to mask topography |
---|
4231 | flag = MERGE( 1.0_wp, 0.0_wp, BTEST( wall_flags_0(k,j,i), 0 ) ) |
---|
4232 | |
---|
4233 | ! |
---|
4234 | !-- Call calculation of supersaturation located |
---|
4235 | CALL supersaturation( i, j, k ) |
---|
4236 | |
---|
4237 | ! |
---|
4238 | !-- Compute the liquid water content |
---|
4239 | IF ( microphysics_seifert .AND. .NOT. microphysics_morrison ) & |
---|
4240 | THEN |
---|
4241 | IF ( ( q(k,j,i) - q_s - qr(k,j,i) ) > 0.0_wp ) THEN |
---|
4242 | qc(k,j,i) = ( q(k,j,i) - q_s - qr(k,j,i) ) * flag |
---|
4243 | ql(k,j,i) = ( qc(k,j,i) + qr(k,j,i) ) * flag |
---|
4244 | ELSE |
---|
4245 | IF ( q(k,j,i) < qr(k,j,i) ) q(k,j,i) = qr(k,j,i) |
---|
4246 | qc(k,j,i) = 0.0_wp |
---|
4247 | ql(k,j,i) = qr(k,j,i) * flag |
---|
4248 | ENDIF |
---|
4249 | ELSEIF ( microphysics_morrison ) THEN |
---|
4250 | ql(k,j,i) = qc(k,j,i) + qr(k,j,i) * flag |
---|
4251 | ELSE |
---|
4252 | IF ( ( q(k,j,i) - q_s ) > 0.0_wp ) THEN |
---|
4253 | qc(k,j,i) = ( q(k,j,i) - q_s ) * flag |
---|
4254 | ql(k,j,i) = qc(k,j,i) * flag |
---|
4255 | ELSE |
---|
4256 | qc(k,j,i) = 0.0_wp |
---|
4257 | ql(k,j,i) = 0.0_wp |
---|
4258 | ENDIF |
---|
4259 | ENDIF |
---|
4260 | ENDDO |
---|
4261 | ENDDO |
---|
4262 | ENDDO |
---|
4263 | |
---|
4264 | END SUBROUTINE calc_liquid_water_content |
---|
4265 | |
---|
4266 | !------------------------------------------------------------------------------! |
---|
4267 | ! Description: |
---|
4268 | ! ------------ |
---|
4269 | !> This function computes the gamma function (Press et al., 1992). |
---|
4270 | !> The gamma function is needed for the calculation of the evaporation |
---|
4271 | !> of rain drops. |
---|
4272 | !------------------------------------------------------------------------------! |
---|
4273 | FUNCTION gamm( xx ) |
---|
4274 | |
---|
4275 | IMPLICIT NONE |
---|
4276 | |
---|
4277 | INTEGER(iwp) :: j !< |
---|
4278 | |
---|
4279 | REAL(wp) :: gamm !< |
---|
4280 | REAL(wp) :: ser !< |
---|
4281 | REAL(wp) :: tmp !< |
---|
4282 | REAL(wp) :: x_gamm !< |
---|
4283 | REAL(wp) :: xx !< |
---|
4284 | REAL(wp) :: y_gamm !< |
---|
4285 | |
---|
4286 | |
---|
4287 | REAL(wp), PARAMETER :: stp = 2.5066282746310005_wp !< |
---|
4288 | REAL(wp), PARAMETER :: cof(6) = (/ 76.18009172947146_wp, & |
---|
4289 | -86.50532032941677_wp, & |
---|
4290 | 24.01409824083091_wp, & |
---|
4291 | -1.231739572450155_wp, & |
---|
4292 | 0.1208650973866179E-2_wp, & |
---|
4293 | -0.5395239384953E-5_wp /) !< |
---|
4294 | |
---|
4295 | x_gamm = xx |
---|
4296 | y_gamm = x_gamm |
---|
4297 | tmp = x_gamm + 5.5_wp |
---|
4298 | tmp = ( x_gamm + 0.5_wp ) * LOG( tmp ) - tmp |
---|
4299 | ser = 1.000000000190015_wp |
---|
4300 | |
---|
4301 | DO j = 1, 6 |
---|
4302 | y_gamm = y_gamm + 1.0_wp |
---|
4303 | ser = ser + cof( j ) / y_gamm |
---|
4304 | ENDDO |
---|
4305 | |
---|
4306 | ! |
---|
4307 | !-- Until this point the algorithm computes the logarithm of the gamma |
---|
4308 | !-- function. Hence, the exponential function is used. |
---|
4309 | ! gamm = EXP( tmp + LOG( stp * ser / x_gamm ) ) |
---|
4310 | gamm = EXP( tmp ) * stp * ser / x_gamm |
---|
4311 | |
---|
4312 | RETURN |
---|
4313 | |
---|
4314 | END FUNCTION gamm |
---|
4315 | |
---|
4316 | END MODULE bulk_cloud_model_mod |
---|