1 | !> @file buoyancy.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 1997-2018 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: buoyancy.f90 3538 2018-11-20 10:55:41Z moh.hefny $ |
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27 | ! Remove unnecessary double-masking of topography |
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28 | ! |
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29 | ! 3294 2018-10-01 02:37:10Z raasch |
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30 | ! module use statements moved to global declaration section |
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31 | ! |
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32 | ! 3274 2018-09-24 15:42:55Z knoop |
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33 | ! Modularization of all bulk cloud physics code components |
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34 | ! |
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35 | ! 3241 2018-09-12 15:02:00Z raasch |
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36 | ! unused Variable removed |
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37 | ! |
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38 | ! 2718 2018-01-02 08:49:38Z maronga |
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39 | ! Corrected "Former revisions" section |
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40 | ! |
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41 | ! 2696 2017-12-14 17:12:51Z kanani |
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42 | ! Change in file header (GPL part) |
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43 | ! |
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44 | ! 2233 2017-05-30 18:08:54Z suehring |
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45 | ! |
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46 | ! 2232 2017-05-30 17:47:52Z suehring |
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47 | ! Adjustments to new topography concept |
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48 | ! |
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49 | ! 2118 2017-01-17 16:38:49Z raasch |
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50 | ! OpenACC version of subroutine removed |
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51 | ! |
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52 | ! 2000 2016-08-20 18:09:15Z knoop |
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53 | ! Forced header and separation lines into 80 columns |
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54 | ! |
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55 | ! 1873 2016-04-18 14:50:06Z maronga |
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56 | ! Module renamed (removed _mod) |
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57 | ! |
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58 | ! |
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59 | ! 1850 2016-04-08 13:29:27Z maronga |
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60 | ! Module renamed |
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61 | ! |
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62 | ! 1682 2015-10-07 23:56:08Z knoop |
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63 | ! Code annotations made doxygen readable |
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64 | ! |
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65 | ! 1374 2014-04-25 12:55:07Z raasch |
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66 | ! missing variables added to ONLY list |
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67 | ! |
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68 | ! 1365 2014-04-22 15:03:56Z boeske |
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69 | ! Calculation of reference state in subroutine calc_mean_profile moved to |
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70 | ! subroutine time_integration, |
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71 | ! subroutine calc_mean_profile moved to new file calc_mean_profile.f90 |
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72 | ! |
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73 | ! 1353 2014-04-08 15:21:23Z heinze |
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74 | ! REAL constants provided with KIND-attribute |
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75 | ! |
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76 | ! 1320 2014-03-20 08:40:49Z raasch |
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77 | ! ONLY-attribute added to USE-statements, |
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78 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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79 | ! kinds are defined in new module kinds, |
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80 | ! revision history before 2012 removed, |
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81 | ! comment fields (!:) to be used for variable explanations added to |
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82 | ! all variable declaration statements |
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83 | ! |
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84 | ! 1257 2013-11-08 15:18:40Z raasch |
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85 | ! vector length (32) removed from openacc clause |
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86 | ! |
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87 | ! 1241 2013-10-30 11:36:58Z heinze |
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88 | ! Generalize calc_mean_profile for wider use: use additional steering |
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89 | ! character loc |
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90 | ! |
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91 | ! 1179 2013-06-14 05:57:58Z raasch |
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92 | ! steering of reference state revised (var_reference and pr removed from |
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93 | ! parameter list), use_reference renamed use_single_reference_value |
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94 | ! |
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95 | ! 1171 2013-05-30 11:27:45Z raasch |
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96 | ! openacc statements added to use_reference-case in accelerator version |
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97 | ! |
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98 | ! 1153 2013-05-10 14:33:08Z raasch |
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99 | ! code adjustments of accelerator version required by PGI 12.3 / CUDA 5.0 |
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100 | ! |
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101 | ! 1128 2013-04-12 06:19:32Z raasch |
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102 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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103 | ! j_north |
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104 | ! |
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105 | ! 1036 2012-10-22 13:43:42Z raasch |
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106 | ! code put under GPL (PALM 3.9) |
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107 | ! |
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108 | ! 1015 2012-09-27 09:23:24Z raasch |
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109 | ! accelerator version (*_acc) added |
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110 | ! |
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111 | ! 1010 2012-09-20 07:59:54Z raasch |
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112 | ! cpp switch __nopointer added for pointer free version |
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113 | ! |
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114 | ! Revision 1.1 1997/08/29 08:56:48 raasch |
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115 | ! Initial revision |
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116 | ! |
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117 | ! |
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118 | ! Description: |
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119 | ! ------------ |
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120 | !> Buoyancy term of the third component of the equation of motion. |
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121 | !> @attention Humidity is not regarded when using a sloping surface! |
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122 | !------------------------------------------------------------------------------! |
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123 | MODULE buoyancy_mod |
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124 | |
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125 | USE basic_constants_and_equations_mod, & |
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126 | ONLY: g |
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127 | |
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128 | USE arrays_3d, & |
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129 | ONLY: pt, pt_slope_ref, ref_state, tend |
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130 | |
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131 | USE control_parameters, & |
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132 | ONLY: atmos_ocean_sign, cos_alpha_surface, message_string, pt_surface,& |
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133 | sin_alpha_surface, sloping_surface |
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134 | |
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135 | USE kinds |
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136 | |
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137 | PRIVATE |
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138 | PUBLIC buoyancy |
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139 | |
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140 | INTERFACE buoyancy |
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141 | MODULE PROCEDURE buoyancy |
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142 | MODULE PROCEDURE buoyancy_ij |
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143 | END INTERFACE buoyancy |
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144 | |
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145 | CONTAINS |
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146 | |
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147 | |
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148 | !------------------------------------------------------------------------------! |
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149 | ! Description: |
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150 | ! ------------ |
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151 | !> Call for all grid points |
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152 | !------------------------------------------------------------------------------! |
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153 | SUBROUTINE buoyancy( var, wind_component ) |
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154 | |
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155 | USE indices, & |
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156 | ONLY: nxl, nxlg, nxlu, nxr, nxrg, nyn, nyng, nys, nysg, nzb, & |
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157 | nzt |
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158 | |
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159 | |
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160 | IMPLICIT NONE |
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161 | |
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162 | INTEGER(iwp) :: i !< |
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163 | INTEGER(iwp) :: j !< |
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164 | INTEGER(iwp) :: k !< |
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165 | INTEGER(iwp) :: wind_component !< |
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166 | |
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167 | #if defined( __nopointer ) |
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168 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
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169 | #else |
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170 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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171 | #endif |
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172 | |
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173 | |
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174 | IF ( .NOT. sloping_surface ) THEN |
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175 | ! |
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176 | !-- Normal case: horizontal surface |
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177 | DO i = nxl, nxr |
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178 | DO j = nys, nyn |
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179 | DO k = nzb+1, nzt-1 |
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180 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5_wp * & |
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181 | ( & |
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182 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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183 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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184 | ) |
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185 | ENDDO |
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186 | ENDDO |
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187 | ENDDO |
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188 | |
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189 | ELSE |
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190 | ! |
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191 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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192 | !-- for both the u and w velocity-component contain proportionate terms. |
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193 | !-- Temperature field at time t=0 serves as environmental temperature. |
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194 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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195 | !-- of the total domain. |
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196 | IF ( wind_component == 1 ) THEN |
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197 | |
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198 | DO i = nxlu, nxr |
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199 | DO j = nys, nyn |
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200 | DO k = nzb+1, nzt-1 |
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201 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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202 | 0.5_wp * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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203 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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204 | ) / pt_surface |
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205 | ENDDO |
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206 | ENDDO |
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207 | ENDDO |
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208 | |
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209 | ELSEIF ( wind_component == 3 ) THEN |
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210 | |
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211 | DO i = nxl, nxr |
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212 | DO j = nys, nyn |
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213 | DO k = nzb+1, nzt-1 |
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214 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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215 | 0.5_wp * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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216 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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217 | ) / pt_surface |
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218 | ENDDO |
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219 | ENDDO |
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220 | ENDDO |
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221 | |
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222 | ELSE |
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223 | |
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224 | WRITE( message_string, * ) 'no term for component "', & |
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225 | wind_component,'"' |
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226 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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227 | |
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228 | ENDIF |
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229 | |
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230 | ENDIF |
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231 | |
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232 | END SUBROUTINE buoyancy |
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233 | |
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234 | |
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235 | !------------------------------------------------------------------------------! |
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236 | ! Description: |
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237 | ! ------------ |
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238 | !> Call for grid point i,j |
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239 | !> @attention PGI-compiler creates SIGFPE if opt>1 is used! Therefore, opt=1 is |
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240 | !> forced by compiler-directive. |
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241 | !------------------------------------------------------------------------------! |
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242 | !pgi$r opt=1 |
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243 | SUBROUTINE buoyancy_ij( i, j, var, wind_component ) |
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244 | |
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245 | |
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246 | USE indices, & |
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247 | ONLY: nxlg, nxrg, nyng, nysg, nzb, nzt |
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248 | |
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249 | IMPLICIT NONE |
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250 | |
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251 | INTEGER(iwp) :: i !< |
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252 | INTEGER(iwp) :: j !< |
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253 | INTEGER(iwp) :: k !< |
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254 | INTEGER(iwp) :: wind_component !< |
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255 | |
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256 | #if defined( __nopointer ) |
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257 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !< |
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258 | #else |
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259 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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260 | #endif |
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261 | |
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262 | |
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263 | IF ( .NOT. sloping_surface ) THEN |
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264 | ! |
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265 | !-- Normal case: horizontal surface |
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266 | DO k = nzb+1, nzt-1 |
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267 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5_wp * ( & |
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268 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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269 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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270 | ) |
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271 | ENDDO |
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272 | |
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273 | ELSE |
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274 | ! |
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275 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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276 | !-- for both the u and w velocity-component contain proportionate terms. |
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277 | !-- Temperature field at time t=0 serves as environmental temperature. |
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278 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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279 | !-- of the total domain. |
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280 | IF ( wind_component == 1 ) THEN |
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281 | |
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282 | DO k = nzb+1, nzt-1 |
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283 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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284 | 0.5_wp * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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285 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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286 | ) / pt_surface |
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287 | ENDDO |
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288 | |
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289 | ELSEIF ( wind_component == 3 ) THEN |
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290 | |
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291 | DO k = nzb+1, nzt-1 |
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292 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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293 | 0.5_wp * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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294 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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295 | ) / pt_surface |
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296 | ENDDO |
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297 | |
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298 | ELSE |
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299 | |
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300 | WRITE( message_string, * ) 'no term for component "', & |
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301 | wind_component,'"' |
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302 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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303 | |
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304 | ENDIF |
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305 | |
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306 | ENDIF |
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307 | |
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308 | END SUBROUTINE buoyancy_ij |
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309 | |
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310 | END MODULE buoyancy_mod |
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