1 | MODULE plant_canopy_model_mod |
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2 | |
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3 | !--------------------------------------------------------------------------------! |
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4 | ! This file is part of PALM. |
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5 | ! |
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6 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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7 | ! of the GNU General Public License as published by the Free Software Foundation, |
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8 | ! either version 3 of the License, or (at your option) any later 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 1997-2012 Leibniz University 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: plant_canopy_model.f90 1036 2012-10-22 13:43:42Z raasch $ |
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27 | ! |
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28 | ! 257 2009-03-11 15:17:42Z heinze |
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29 | ! Output of messages replaced by message handling routine. |
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30 | ! Bugfix: remove IF statement in plant_canopy_model_ij |
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31 | ! |
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32 | ! 153 2008-03-19 09:41:30Z steinfeld |
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33 | ! heat sources within the forest canopy are added, which represent the |
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34 | ! rate of heat input into the air from the forest leaves, evaluation of sinks |
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35 | ! and sources for scalar concentration due to canopy elements |
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36 | ! |
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37 | ! 138 2007-11-28 10:03:58Z letzel |
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38 | ! Initial revision |
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39 | ! |
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40 | ! Description: |
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41 | ! ------------ |
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42 | ! Evaluation of sinks and sources of momentum, heat and scalar concentration |
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43 | ! due to canopy elements |
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44 | !------------------------------------------------------------------------------! |
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45 | |
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46 | PRIVATE |
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47 | PUBLIC plant_canopy_model |
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48 | |
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49 | INTERFACE plant_canopy_model |
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50 | MODULE PROCEDURE plant_canopy_model |
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51 | MODULE PROCEDURE plant_canopy_model_ij |
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52 | END INTERFACE plant_canopy_model |
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53 | |
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54 | CONTAINS |
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55 | |
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56 | |
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57 | !------------------------------------------------------------------------------! |
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58 | ! Call for all grid points |
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59 | !------------------------------------------------------------------------------! |
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60 | SUBROUTINE plant_canopy_model( component ) |
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61 | |
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62 | USE arrays_3d |
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63 | USE control_parameters |
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64 | USE indices |
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65 | USE pegrid |
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66 | |
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67 | IMPLICIT NONE |
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68 | |
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69 | INTEGER :: component, i, j, k |
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70 | |
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71 | ! |
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72 | !-- Compute drag for the three velocity components and the SGS-TKE |
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73 | SELECT CASE ( component ) |
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74 | |
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75 | ! |
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76 | !-- u-component |
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77 | CASE ( 1 ) |
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78 | DO i = nxlu, nxr |
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79 | DO j = nys, nyn |
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80 | DO k = nzb_u_inner(j,i)+1, pch_index |
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81 | tend(k,j,i) = tend(k,j,i) - & |
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82 | cdc(k,j,i) * lad_u(k,j,i) * & |
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83 | SQRT( u(k,j,i)**2 + & |
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84 | ( ( v(k,j,i-1) + & |
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85 | v(k,j,i) + & |
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86 | v(k,j+1,i) + & |
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87 | v(k,j+1,i-1) ) & |
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88 | / 4.0 )**2 + & |
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89 | ( ( w(k-1,j,i-1) + & |
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90 | w(k-1,j,i) + & |
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91 | w(k,j,i-1) + & |
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92 | w(k,j,i) ) & |
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93 | / 4.0 )**2 ) * & |
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94 | u(k,j,i) |
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95 | ENDDO |
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96 | ENDDO |
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97 | ENDDO |
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98 | |
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99 | ! |
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100 | !-- v-component |
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101 | CASE ( 2 ) |
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102 | DO i = nxl, nxr |
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103 | DO j = nysv, nyn |
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104 | DO k = nzb_v_inner(j,i)+1, pch_index |
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105 | tend(k,j,i) = tend(k,j,i) - & |
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106 | cdc(k,j,i) * lad_v(k,j,i) * & |
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107 | SQRT( ( ( u(k,j-1,i) + & |
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108 | u(k,j-1,i+1) + & |
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109 | u(k,j,i) + & |
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110 | u(k,j,i+1) ) & |
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111 | / 4.0 )**2 + & |
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112 | v(k,j,i)**2 + & |
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113 | ( ( w(k-1,j-1,i) + & |
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114 | w(k-1,j,i) + & |
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115 | w(k,j-1,i) + & |
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116 | w(k,j,i) ) & |
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117 | / 4.0 )**2 ) * & |
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118 | v(k,j,i) |
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119 | ENDDO |
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120 | ENDDO |
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121 | ENDDO |
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122 | |
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123 | ! |
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124 | !-- w-component |
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125 | CASE ( 3 ) |
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126 | DO i = nxl, nxr |
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127 | DO j = nys, nyn |
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128 | DO k = nzb_w_inner(j,i)+1, pch_index |
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129 | tend(k,j,i) = tend(k,j,i) - & |
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130 | cdc(k,j,i) * lad_w(k,j,i) * & |
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131 | SQRT( ( ( u(k,j,i) + & |
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132 | u(k,j,i+1) + & |
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133 | u(k+1,j,i) + & |
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134 | u(k+1,j,i+1) ) & |
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135 | / 4.0 )**2 + & |
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136 | ( ( v(k,j,i) + & |
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137 | v(k,j+1,i) + & |
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138 | v(k+1,j,i) + & |
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139 | v(k+1,j+1,i) ) & |
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140 | / 4.0 )**2 + & |
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141 | w(k,j,i)**2 ) * & |
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142 | w(k,j,i) |
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143 | ENDDO |
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144 | ENDDO |
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145 | ENDDO |
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146 | |
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147 | ! |
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148 | !-- potential temperature |
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149 | CASE ( 4 ) |
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150 | DO i = nxl, nxr |
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151 | DO j = nys, nyn |
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152 | DO k = nzb_s_inner(j,i)+1, pch_index |
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153 | tend(k,j,i) = tend(k,j,i) + & |
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154 | ( canopy_heat_flux(k,j,i) - & |
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155 | canopy_heat_flux(k-1,j,i) ) / & |
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156 | dzw(k) |
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157 | ENDDO |
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158 | ENDDO |
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159 | ENDDO |
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160 | |
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161 | ! |
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162 | !-- scalar concentration |
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163 | CASE ( 5 ) |
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164 | DO i = nxl, nxr |
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165 | DO j = nys, nyn |
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166 | DO k = nzb_s_inner(j,i)+1, pch_index |
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167 | tend(k,j,i) = tend(k,j,i) - & |
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168 | sec(k,j,i) * lad_s(k,j,i) * & |
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169 | SQRT( ( ( u(k,j,i) + & |
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170 | u(k,j,i+1) ) & |
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171 | / 2.0 )**2 + & |
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172 | ( ( v(k,j,i) + & |
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173 | v(k,j+1,i) ) & |
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174 | / 2.0 )**2 + & |
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175 | ( ( w(k-1,j,i) + & |
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176 | w(k,j,i) ) & |
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177 | / 2.0 )**2 ) * & |
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178 | ( q(k,j,i) - sls(k,j,i) ) |
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179 | ENDDO |
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180 | ENDDO |
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181 | ENDDO |
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182 | |
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183 | ! |
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184 | !-- sgs-tke |
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185 | CASE ( 6 ) |
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186 | DO i = nxl, nxr |
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187 | DO j = nys, nyn |
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188 | DO k = nzb_s_inner(j,i)+1, pch_index |
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189 | tend(k,j,i) = tend(k,j,i) - & |
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190 | 2.0 * cdc(k,j,i) * lad_s(k,j,i) * & |
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191 | SQRT( ( ( u(k,j,i) + & |
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192 | u(k,j,i+1) ) & |
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193 | / 2.0 )**2 + & |
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194 | ( ( v(k,j,i) + & |
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195 | v(k,j+1,i) ) & |
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196 | / 2.0 )**2 + & |
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197 | ( ( w(k,j,i) + & |
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198 | w(k+1,j,i) ) & |
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199 | / 2.0 )**2 ) * & |
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200 | e(k,j,i) |
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201 | ENDDO |
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202 | ENDDO |
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203 | ENDDO |
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204 | |
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205 | CASE DEFAULT |
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206 | |
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207 | WRITE( message_string, * ) 'wrong component: ', component |
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208 | CALL message( 'plant_canopy_model', 'PA0279', 1, 2, 0, 6, 0 ) |
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209 | |
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210 | END SELECT |
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211 | |
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212 | END SUBROUTINE plant_canopy_model |
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213 | |
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214 | |
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215 | !------------------------------------------------------------------------------! |
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216 | ! Call for grid point i,j |
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217 | !------------------------------------------------------------------------------! |
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218 | SUBROUTINE plant_canopy_model_ij( i, j, component ) |
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219 | |
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220 | USE arrays_3d |
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221 | USE control_parameters |
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222 | USE indices |
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223 | USE pegrid |
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224 | |
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225 | IMPLICIT NONE |
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226 | |
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227 | INTEGER :: component, i, j, k |
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228 | |
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229 | ! |
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230 | !-- Compute drag for the three velocity components |
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231 | SELECT CASE ( component ) |
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232 | |
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233 | ! |
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234 | !-- u-component |
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235 | CASE ( 1 ) |
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236 | DO k = nzb_u_inner(j,i)+1, pch_index |
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237 | tend(k,j,i) = tend(k,j,i) - & |
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238 | cdc(k,j,i) * lad_u(k,j,i) * & |
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239 | SQRT( u(k,j,i)**2 + & |
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240 | ( ( v(k,j,i-1) + & |
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241 | v(k,j,i) + & |
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242 | v(k,j+1,i) + & |
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243 | v(k,j+1,i-1) ) & |
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244 | / 4.0 )**2 + & |
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245 | ( ( w(k-1,j,i-1) + & |
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246 | w(k-1,j,i) + & |
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247 | w(k,j,i-1) + & |
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248 | w(k,j,i) ) & |
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249 | / 4.0 )**2 ) * & |
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250 | u(k,j,i) |
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251 | ENDDO |
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252 | |
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253 | ! |
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254 | !-- v-component |
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255 | CASE ( 2 ) |
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256 | DO k = nzb_v_inner(j,i)+1, pch_index |
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257 | tend(k,j,i) = tend(k,j,i) - & |
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258 | cdc(k,j,i) * lad_v(k,j,i) * & |
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259 | SQRT( ( ( u(k,j-1,i) + & |
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260 | u(k,j-1,i+1) + & |
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261 | u(k,j,i) + & |
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262 | u(k,j,i+1) ) & |
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263 | / 4.0 )**2 + & |
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264 | v(k,j,i)**2 + & |
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265 | ( ( w(k-1,j-1,i) + & |
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266 | w(k-1,j,i) + & |
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267 | w(k,j-1,i) + & |
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268 | w(k,j,i) ) & |
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269 | / 4.0 )**2 ) * & |
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270 | v(k,j,i) |
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271 | ENDDO |
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272 | |
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273 | ! |
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274 | !-- w-component |
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275 | CASE ( 3 ) |
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276 | DO k = nzb_w_inner(j,i)+1, pch_index |
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277 | tend(k,j,i) = tend(k,j,i) - & |
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278 | cdc(k,j,i) * lad_w(k,j,i) * & |
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279 | SQRT( ( ( u(k,j,i) + & |
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280 | u(k,j,i+1) + & |
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281 | u(k+1,j,i) + & |
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282 | u(k+1,j,i+1) ) & |
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283 | / 4.0 )**2 + & |
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284 | ( ( v(k,j,i) + & |
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285 | v(k,j+1,i) + & |
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286 | v(k+1,j,i) + & |
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287 | v(k+1,j+1,i) ) & |
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288 | / 4.0 )**2 + & |
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289 | w(k,j,i)**2 ) * & |
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290 | w(k,j,i) |
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291 | |
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292 | ENDDO |
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293 | |
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294 | ! |
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295 | !-- potential temperature |
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296 | CASE ( 4 ) |
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297 | DO k = nzb_s_inner(j,i)+1, pch_index |
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298 | tend(k,j,i) = tend(k,j,i) + & |
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299 | ( canopy_heat_flux(k,j,i) - & |
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300 | canopy_heat_flux(k-1,j,i) ) / & |
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301 | dzw(k) |
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302 | ENDDO |
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303 | |
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304 | |
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305 | ! |
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306 | !-- scalar concentration |
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307 | CASE ( 5 ) |
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308 | DO k = nzb_s_inner(j,i)+1, pch_index |
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309 | tend(k,j,i) = tend(k,j,i) - & |
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310 | sec(k,j,i) * lad_s(k,j,i) * & |
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311 | SQRT( ( ( u(k,j,i) + & |
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312 | u(k,j,i+1) ) & |
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313 | / 2.0 )**2 + & |
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314 | ( ( v(k,j,i) + & |
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315 | v(k,j+1,i) ) & |
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316 | / 2.0 )**2 + & |
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317 | ( ( w(k-1,j,i) + & |
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318 | w(k,j,i) ) & |
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319 | / 2.0 )**2 ) * & |
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320 | ( q(k,j,i) - sls(k,j,i) ) |
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321 | ENDDO |
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322 | |
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323 | ! |
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324 | !-- sgs-tke |
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325 | CASE ( 6 ) |
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326 | DO k = nzb_s_inner(j,i)+1, pch_index |
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327 | tend(k,j,i) = tend(k,j,i) - & |
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328 | 2.0 * cdc(k,j,i) * lad_s(k,j,i) * & |
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329 | SQRT( ( ( u(k,j,i) + & |
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330 | u(k,j,i+1) ) & |
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331 | / 2.0 )**2 + & |
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332 | ( ( v(k,j,i) + & |
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333 | v(k,j+1,i) ) & |
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334 | / 2.0 )**2 + & |
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335 | ( ( w(k,j,i) + & |
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336 | w(k+1,j,i) ) & |
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337 | / 2.0 )**2 ) * & |
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338 | e(k,j,i) |
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339 | ENDDO |
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340 | |
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341 | CASE DEFAULT |
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342 | |
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343 | WRITE( message_string, * ) 'wrong component: ', component |
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344 | CALL message( 'plant_canopy_model', 'PA0279', 1, 2, 0, 6, 0 ) |
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345 | |
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346 | END SELECT |
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347 | |
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348 | END SUBROUTINE plant_canopy_model_ij |
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349 | |
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350 | END MODULE plant_canopy_model_mod |
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