| 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 1997-2014 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: plant_canopy_model.f90 1321 2014-03-20 09:40:40Z raasch $ |
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| 27 | ! |
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| 28 | ! 1320 2014-03-20 08:40:49Z raasch |
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| 29 | ! ONLY-attribute added to USE-statements, |
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| 30 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 31 | ! kinds are defined in new module kinds, |
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| 32 | ! old module precision_kind is removed, |
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| 33 | ! revision history before 2012 removed, |
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| 34 | ! comment fields (!:) to be used for variable explanations added to |
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| 35 | ! all variable declaration statements |
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| 36 | ! |
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| 37 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 38 | ! code put under GPL (PALM 3.9) |
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| 39 | ! |
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| 40 | ! 138 2007-11-28 10:03:58Z letzel |
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| 41 | ! Initial revision |
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| 42 | ! |
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| 43 | ! Description: |
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| 44 | ! ------------ |
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| 45 | ! Evaluation of sinks and sources of momentum, heat and scalar concentration |
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| 46 | ! due to canopy elements |
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| 47 | !------------------------------------------------------------------------------! |
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| 48 | |
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| 49 | PRIVATE |
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| 50 | PUBLIC plant_canopy_model |
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| 51 | |
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| 52 | INTERFACE plant_canopy_model |
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| 53 | MODULE PROCEDURE plant_canopy_model |
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| 54 | MODULE PROCEDURE plant_canopy_model_ij |
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| 55 | END INTERFACE plant_canopy_model |
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| 56 | |
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| 57 | CONTAINS |
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| 58 | |
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| 59 | |
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| 60 | !------------------------------------------------------------------------------! |
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| 61 | ! Call for all grid points |
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| 62 | !------------------------------------------------------------------------------! |
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| 63 | SUBROUTINE plant_canopy_model( component ) |
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| 64 | |
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| 65 | USE arrays_3d, & |
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| 66 | ONLY: canopy_heat_flux, cdc, dzw, e, lad_s, lad_u, lad_v, lad_w, & |
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| 67 | q, sec, sls, tend, u, v, w |
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| 68 | |
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| 69 | USE control_parameters, & |
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| 70 | ONLY: pch_index, message_string |
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| 71 | |
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| 72 | USE indices, & |
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| 73 | ONLY: nxl, nxlu, nxr, nys, nysv, nyn, nzb_s_inner, nzb_u_inner, & |
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| 74 | nzb_v_inner, nzb_w_inner |
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| 75 | |
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| 76 | USE kinds |
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| 77 | |
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| 78 | IMPLICIT NONE |
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| 79 | |
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| 80 | INTEGER(iwp) :: component !: |
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| 81 | INTEGER(iwp) :: i !: |
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| 82 | INTEGER(iwp) :: j !: |
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| 83 | INTEGER(iwp) :: k !: |
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| 84 | |
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| 85 | ! |
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| 86 | !-- Compute drag for the three velocity components and the SGS-TKE |
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| 87 | SELECT CASE ( component ) |
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| 88 | |
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| 89 | ! |
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| 90 | !-- u-component |
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| 91 | CASE ( 1 ) |
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| 92 | DO i = nxlu, nxr |
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| 93 | DO j = nys, nyn |
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| 94 | DO k = nzb_u_inner(j,i)+1, pch_index |
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| 95 | tend(k,j,i) = tend(k,j,i) - & |
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| 96 | cdc(k,j,i) * lad_u(k,j,i) * & |
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| 97 | SQRT( u(k,j,i)**2 + & |
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| 98 | ( ( v(k,j,i-1) + & |
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| 99 | v(k,j,i) + & |
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| 100 | v(k,j+1,i) + & |
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| 101 | v(k,j+1,i-1) ) & |
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| 102 | / 4.0 )**2 + & |
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| 103 | ( ( w(k-1,j,i-1) + & |
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| 104 | w(k-1,j,i) + & |
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| 105 | w(k,j,i-1) + & |
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| 106 | w(k,j,i) ) & |
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| 107 | / 4.0 )**2 ) * & |
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| 108 | u(k,j,i) |
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| 109 | ENDDO |
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| 110 | ENDDO |
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| 111 | ENDDO |
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| 112 | |
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| 113 | ! |
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| 114 | !-- v-component |
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| 115 | CASE ( 2 ) |
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| 116 | DO i = nxl, nxr |
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| 117 | DO j = nysv, nyn |
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| 118 | DO k = nzb_v_inner(j,i)+1, pch_index |
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| 119 | tend(k,j,i) = tend(k,j,i) - & |
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| 120 | cdc(k,j,i) * lad_v(k,j,i) * & |
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| 121 | SQRT( ( ( u(k,j-1,i) + & |
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| 122 | u(k,j-1,i+1) + & |
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| 123 | u(k,j,i) + & |
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| 124 | u(k,j,i+1) ) & |
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| 125 | / 4.0 )**2 + & |
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| 126 | v(k,j,i)**2 + & |
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| 127 | ( ( w(k-1,j-1,i) + & |
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| 128 | w(k-1,j,i) + & |
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| 129 | w(k,j-1,i) + & |
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| 130 | w(k,j,i) ) & |
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| 131 | / 4.0 )**2 ) * & |
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| 132 | v(k,j,i) |
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| 133 | ENDDO |
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| 134 | ENDDO |
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| 135 | ENDDO |
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| 136 | |
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| 137 | ! |
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| 138 | !-- w-component |
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| 139 | CASE ( 3 ) |
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| 140 | DO i = nxl, nxr |
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| 141 | DO j = nys, nyn |
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| 142 | DO k = nzb_w_inner(j,i)+1, pch_index |
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| 143 | tend(k,j,i) = tend(k,j,i) - & |
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| 144 | cdc(k,j,i) * lad_w(k,j,i) * & |
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| 145 | SQRT( ( ( u(k,j,i) + & |
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| 146 | u(k,j,i+1) + & |
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| 147 | u(k+1,j,i) + & |
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| 148 | u(k+1,j,i+1) ) & |
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| 149 | / 4.0 )**2 + & |
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| 150 | ( ( v(k,j,i) + & |
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| 151 | v(k,j+1,i) + & |
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| 152 | v(k+1,j,i) + & |
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| 153 | v(k+1,j+1,i) ) & |
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| 154 | / 4.0 )**2 + & |
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| 155 | w(k,j,i)**2 ) * & |
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| 156 | w(k,j,i) |
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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 | !-- potential temperature |
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| 163 | CASE ( 4 ) |
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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 | ( canopy_heat_flux(k,j,i) - & |
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| 169 | canopy_heat_flux(k-1,j,i) ) / & |
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| 170 | dzw(k) |
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| 171 | ENDDO |
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| 172 | ENDDO |
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| 173 | ENDDO |
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| 174 | |
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| 175 | ! |
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| 176 | !-- scalar concentration |
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| 177 | CASE ( 5 ) |
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| 178 | DO i = nxl, nxr |
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| 179 | DO j = nys, nyn |
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| 180 | DO k = nzb_s_inner(j,i)+1, pch_index |
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| 181 | tend(k,j,i) = tend(k,j,i) - & |
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| 182 | sec(k,j,i) * lad_s(k,j,i) * & |
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| 183 | SQRT( ( ( u(k,j,i) + & |
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| 184 | u(k,j,i+1) ) & |
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| 185 | / 2.0 )**2 + & |
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| 186 | ( ( v(k,j,i) + & |
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| 187 | v(k,j+1,i) ) & |
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| 188 | / 2.0 )**2 + & |
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| 189 | ( ( w(k-1,j,i) + & |
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| 190 | w(k,j,i) ) & |
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| 191 | / 2.0 )**2 ) * & |
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| 192 | ( q(k,j,i) - sls(k,j,i) ) |
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| 193 | ENDDO |
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| 194 | ENDDO |
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| 195 | ENDDO |
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| 196 | |
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| 197 | ! |
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| 198 | !-- sgs-tke |
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| 199 | CASE ( 6 ) |
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| 200 | DO i = nxl, nxr |
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| 201 | DO j = nys, nyn |
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| 202 | DO k = nzb_s_inner(j,i)+1, pch_index |
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| 203 | tend(k,j,i) = tend(k,j,i) - & |
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| 204 | 2.0 * cdc(k,j,i) * lad_s(k,j,i) * & |
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| 205 | SQRT( ( ( u(k,j,i) + & |
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| 206 | u(k,j,i+1) ) & |
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| 207 | / 2.0 )**2 + & |
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| 208 | ( ( v(k,j,i) + & |
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| 209 | v(k,j+1,i) ) & |
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| 210 | / 2.0 )**2 + & |
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| 211 | ( ( w(k,j,i) + & |
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| 212 | w(k+1,j,i) ) & |
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| 213 | / 2.0 )**2 ) * & |
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| 214 | e(k,j,i) |
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| 215 | ENDDO |
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| 216 | ENDDO |
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| 217 | ENDDO |
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| 218 | |
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| 219 | CASE DEFAULT |
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| 220 | |
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| 221 | WRITE( message_string, * ) 'wrong component: ', component |
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| 222 | CALL message( 'plant_canopy_model', 'PA0279', 1, 2, 0, 6, 0 ) |
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| 223 | |
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| 224 | END SELECT |
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| 225 | |
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| 226 | END SUBROUTINE plant_canopy_model |
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| 227 | |
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| 228 | |
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| 229 | !------------------------------------------------------------------------------! |
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| 230 | ! Call for grid point i,j |
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| 231 | !------------------------------------------------------------------------------! |
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| 232 | SUBROUTINE plant_canopy_model_ij( i, j, component ) |
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| 233 | |
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| 234 | USE arrays_3d, & |
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| 235 | ONLY: canopy_heat_flux, cdc, dzw, e, lad_s, lad_u, lad_v, lad_w, & |
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| 236 | q, sec, sls, tend, u, v, w |
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| 237 | |
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| 238 | USE control_parameters, & |
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| 239 | ONLY: pch_index, message_string |
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| 240 | |
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| 241 | USE indices, & |
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| 242 | ONLY: nxl, nxlu, nxr, nys, nysv, nyn, nzb_s_inner, nzb_u_inner, & |
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| 243 | nzb_v_inner, nzb_w_inner |
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| 244 | |
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| 245 | USE kinds |
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| 246 | |
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| 247 | IMPLICIT NONE |
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| 248 | |
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| 249 | INTEGER(iwp) :: component !: |
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| 250 | INTEGER(iwp) :: i !: |
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| 251 | INTEGER(iwp) :: j !: |
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| 252 | INTEGER(iwp) :: k !: |
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| 253 | |
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| 254 | ! |
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| 255 | !-- Compute drag for the three velocity components |
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| 256 | SELECT CASE ( component ) |
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| 257 | |
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| 258 | ! |
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| 259 | !-- u-component |
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| 260 | CASE ( 1 ) |
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| 261 | DO k = nzb_u_inner(j,i)+1, pch_index |
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| 262 | tend(k,j,i) = tend(k,j,i) - & |
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| 263 | cdc(k,j,i) * lad_u(k,j,i) * & |
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| 264 | SQRT( u(k,j,i)**2 + & |
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| 265 | ( ( v(k,j,i-1) + & |
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| 266 | v(k,j,i) + & |
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| 267 | v(k,j+1,i) + & |
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| 268 | v(k,j+1,i-1) ) & |
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| 269 | / 4.0 )**2 + & |
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| 270 | ( ( w(k-1,j,i-1) + & |
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| 271 | w(k-1,j,i) + & |
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| 272 | w(k,j,i-1) + & |
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| 273 | w(k,j,i) ) & |
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| 274 | / 4.0 )**2 ) * & |
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| 275 | u(k,j,i) |
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| 276 | ENDDO |
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| 277 | |
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| 278 | ! |
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| 279 | !-- v-component |
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| 280 | CASE ( 2 ) |
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| 281 | DO k = nzb_v_inner(j,i)+1, pch_index |
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| 282 | tend(k,j,i) = tend(k,j,i) - & |
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| 283 | cdc(k,j,i) * lad_v(k,j,i) * & |
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| 284 | SQRT( ( ( u(k,j-1,i) + & |
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| 285 | u(k,j-1,i+1) + & |
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| 286 | u(k,j,i) + & |
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| 287 | u(k,j,i+1) ) & |
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| 288 | / 4.0 )**2 + & |
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| 289 | v(k,j,i)**2 + & |
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| 290 | ( ( w(k-1,j-1,i) + & |
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| 291 | w(k-1,j,i) + & |
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| 292 | w(k,j-1,i) + & |
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| 293 | w(k,j,i) ) & |
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| 294 | / 4.0 )**2 ) * & |
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| 295 | v(k,j,i) |
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| 296 | ENDDO |
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| 297 | |
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| 298 | ! |
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| 299 | !-- w-component |
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| 300 | CASE ( 3 ) |
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| 301 | DO k = nzb_w_inner(j,i)+1, pch_index |
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| 302 | tend(k,j,i) = tend(k,j,i) - & |
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| 303 | cdc(k,j,i) * lad_w(k,j,i) * & |
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| 304 | SQRT( ( ( u(k,j,i) + & |
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| 305 | u(k,j,i+1) + & |
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| 306 | u(k+1,j,i) + & |
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| 307 | u(k+1,j,i+1) ) & |
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| 308 | / 4.0 )**2 + & |
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| 309 | ( ( v(k,j,i) + & |
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| 310 | v(k,j+1,i) + & |
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| 311 | v(k+1,j,i) + & |
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| 312 | v(k+1,j+1,i) ) & |
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| 313 | / 4.0 )**2 + & |
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| 314 | w(k,j,i)**2 ) * & |
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| 315 | w(k,j,i) |
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| 316 | |
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| 317 | ENDDO |
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| 318 | |
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| 319 | ! |
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| 320 | !-- potential temperature |
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| 321 | CASE ( 4 ) |
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| 322 | DO k = nzb_s_inner(j,i)+1, pch_index |
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| 323 | tend(k,j,i) = tend(k,j,i) + & |
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| 324 | ( canopy_heat_flux(k,j,i) - & |
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| 325 | canopy_heat_flux(k-1,j,i) ) / & |
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| 326 | dzw(k) |
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| 327 | ENDDO |
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| 328 | |
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| 329 | |
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| 330 | ! |
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| 331 | !-- scalar concentration |
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| 332 | CASE ( 5 ) |
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| 333 | DO k = nzb_s_inner(j,i)+1, pch_index |
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| 334 | tend(k,j,i) = tend(k,j,i) - & |
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| 335 | sec(k,j,i) * lad_s(k,j,i) * & |
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| 336 | SQRT( ( ( u(k,j,i) + & |
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| 337 | u(k,j,i+1) ) & |
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| 338 | / 2.0 )**2 + & |
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| 339 | ( ( v(k,j,i) + & |
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| 340 | v(k,j+1,i) ) & |
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| 341 | / 2.0 )**2 + & |
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| 342 | ( ( w(k-1,j,i) + & |
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| 343 | w(k,j,i) ) & |
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| 344 | / 2.0 )**2 ) * & |
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| 345 | ( q(k,j,i) - sls(k,j,i) ) |
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| 346 | ENDDO |
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| 347 | |
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| 348 | ! |
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| 349 | !-- sgs-tke |
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| 350 | CASE ( 6 ) |
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| 351 | DO k = nzb_s_inner(j,i)+1, pch_index |
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| 352 | tend(k,j,i) = tend(k,j,i) - & |
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| 353 | 2.0 * cdc(k,j,i) * lad_s(k,j,i) * & |
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| 354 | SQRT( ( ( u(k,j,i) + & |
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| 355 | u(k,j,i+1) ) & |
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| 356 | / 2.0 )**2 + & |
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| 357 | ( ( v(k,j,i) + & |
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| 358 | v(k,j+1,i) ) & |
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| 359 | / 2.0 )**2 + & |
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| 360 | ( ( w(k,j,i) + & |
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| 361 | w(k+1,j,i) ) & |
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| 362 | / 2.0 )**2 ) * & |
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| 363 | e(k,j,i) |
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| 364 | ENDDO |
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| 365 | |
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| 366 | CASE DEFAULT |
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| 367 | |
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| 368 | WRITE( message_string, * ) 'wrong component: ', component |
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| 369 | CALL message( 'plant_canopy_model', 'PA0279', 1, 2, 0, 6, 0 ) |
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| 370 | |
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| 371 | END SELECT |
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| 372 | |
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| 373 | END SUBROUTINE plant_canopy_model_ij |
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| 374 | |
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| 375 | END MODULE plant_canopy_model_mod |
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