| 1 | MODULE plant_canopy_model_mod |
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| 2 | |
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| 3 | !------------------------------------------------------------------------------! |
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| 4 | ! Actual revisions: |
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| 5 | ! ----------------- |
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| 6 | ! Consideration of heat sources within the forest canopy which represent the |
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| 7 | ! rate of heat input into the air from the forest leaves |
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| 8 | ! |
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| 9 | ! Evaluation of sinks and sources for scalar concentration due to canopy |
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| 10 | ! elements |
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| 11 | ! |
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| 12 | ! Bugfix: remove IF statement in plant_canopy_model_ij |
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| 13 | ! |
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| 14 | ! Former revisions: |
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| 15 | ! ----------------- |
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| 16 | ! $Id: plant_canopy_model.f90 153 2008-03-19 09:41:30Z raasch $ |
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| 17 | ! |
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| 18 | ! 138 2007-11-28 10:03:58Z letzel |
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| 19 | ! Initial revision |
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| 20 | ! |
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| 21 | ! Description: |
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| 22 | ! ------------ |
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| 23 | ! Evaluation of sinks and sources of momentum, heat and scalar concentration |
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| 24 | ! due to canopy elements |
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| 25 | !------------------------------------------------------------------------------! |
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| 26 | |
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| 27 | PRIVATE |
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| 28 | PUBLIC plant_canopy_model |
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| 29 | |
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| 30 | INTERFACE plant_canopy_model |
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| 31 | MODULE PROCEDURE plant_canopy_model |
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| 32 | MODULE PROCEDURE plant_canopy_model_ij |
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| 33 | END INTERFACE plant_canopy_model |
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| 34 | |
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| 35 | CONTAINS |
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| 36 | |
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| 37 | |
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| 38 | !------------------------------------------------------------------------------! |
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| 39 | ! Call for all grid points |
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| 40 | !------------------------------------------------------------------------------! |
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| 41 | SUBROUTINE plant_canopy_model( component ) |
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| 42 | |
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| 43 | USE arrays_3d |
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| 44 | USE control_parameters |
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| 45 | USE indices |
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| 46 | USE pegrid |
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| 47 | |
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| 48 | IMPLICIT NONE |
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| 49 | |
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| 50 | INTEGER :: component, i, j, k |
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| 51 | |
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| 52 | ! |
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| 53 | !-- Compute drag for the three velocity components and the SGS-TKE |
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| 54 | SELECT CASE ( component ) |
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| 55 | |
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| 56 | ! |
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| 57 | !-- u-component |
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| 58 | CASE ( 1 ) |
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| 59 | DO i = nxlu, nxr |
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| 60 | DO j = nys, nyn |
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| 61 | DO k = nzb_u_inner(j,i)+1, pch_index |
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| 62 | tend(k,j,i) = tend(k,j,i) - & |
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| 63 | cdc(k,j,i) * lad_u(k,j,i) * & |
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| 64 | SQRT( u(k,j,i)**2 + & |
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| 65 | ( ( v(k,j,i-1) + & |
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| 66 | v(k,j,i) + & |
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| 67 | v(k,j+1,i) + & |
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| 68 | v(k,j+1,i-1) ) & |
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| 69 | / 4.0 )**2 + & |
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| 70 | ( ( w(k-1,j,i-1) + & |
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| 71 | w(k-1,j,i) + & |
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| 72 | w(k,j,i-1) + & |
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| 73 | w(k,j,i) ) & |
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| 74 | / 4.0 )**2 ) * & |
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| 75 | u(k,j,i) |
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| 76 | ENDDO |
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| 77 | ENDDO |
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| 78 | ENDDO |
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| 79 | |
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| 80 | ! |
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| 81 | !-- v-component |
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| 82 | CASE ( 2 ) |
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| 83 | DO i = nxl, nxr |
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| 84 | DO j = nysv, nyn |
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| 85 | DO k = nzb_v_inner(j,i)+1, pch_index |
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| 86 | tend(k,j,i) = tend(k,j,i) - & |
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| 87 | cdc(k,j,i) * lad_v(k,j,i) * & |
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| 88 | SQRT( ( ( u(k,j-1,i) + & |
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| 89 | u(k,j-1,i+1) + & |
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| 90 | u(k,j,i) + & |
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| 91 | u(k,j,i+1) ) & |
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| 92 | / 4.0 )**2 + & |
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| 93 | v(k,j,i)**2 + & |
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| 94 | ( ( w(k-1,j-1,i) + & |
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| 95 | w(k-1,j,i) + & |
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| 96 | w(k,j-1,i) + & |
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| 97 | w(k,j,i) ) & |
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| 98 | / 4.0 )**2 ) * & |
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| 99 | v(k,j,i) |
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| 100 | ENDDO |
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| 101 | ENDDO |
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| 102 | ENDDO |
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| 103 | |
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| 104 | ! |
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| 105 | !-- w-component |
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| 106 | CASE ( 3 ) |
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| 107 | DO i = nxl, nxr |
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| 108 | DO j = nys, nyn |
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| 109 | DO k = nzb_w_inner(j,i)+1, pch_index |
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| 110 | tend(k,j,i) = tend(k,j,i) - & |
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| 111 | cdc(k,j,i) * lad_w(k,j,i) * & |
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| 112 | SQRT( ( ( u(k,j,i) + & |
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| 113 | u(k,j,i+1) + & |
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| 114 | u(k+1,j,i) + & |
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| 115 | u(k+1,j,i+1) ) & |
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| 116 | / 4.0 )**2 + & |
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| 117 | ( ( v(k,j,i) + & |
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| 118 | v(k,j+1,i) + & |
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| 119 | v(k+1,j,i) + & |
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| 120 | v(k+1,j+1,i) ) & |
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| 121 | / 4.0 )**2 + & |
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| 122 | w(k,j,i)**2 ) * & |
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| 123 | w(k,j,i) |
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| 124 | ENDDO |
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| 125 | ENDDO |
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| 126 | ENDDO |
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| 127 | |
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| 128 | ! |
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| 129 | !-- potential temperature |
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| 130 | CASE ( 4 ) |
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| 131 | DO i = nxl, nxr |
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| 132 | DO j = nys, nyn |
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| 133 | DO k = nzb_s_inner(j,i)+1, pch_index |
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| 134 | tend(k,j,i) = tend(k,j,i) + & |
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| 135 | ( canopy_heat_flux(k,j,i) - & |
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| 136 | canopy_heat_flux(k-1,j,i) ) / & |
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| 137 | dzw(k) |
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| 138 | ENDDO |
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| 139 | ENDDO |
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| 140 | ENDDO |
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| 141 | |
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| 142 | ! |
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| 143 | !-- scalar concentration |
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| 144 | CASE ( 5 ) |
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| 145 | DO i = nxl, nxr |
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| 146 | DO j = nys, nyn |
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| 147 | DO k = nzb_s_inner(j,i)+1, pch_index |
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| 148 | tend(k,j,i) = tend(k,j,i) - & |
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| 149 | sec(k,j,i) * lad_s(k,j,i) * & |
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| 150 | SQRT( ( ( u(k,j,i) + & |
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| 151 | u(k,j,i+1) ) & |
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| 152 | / 2.0 )**2 + & |
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| 153 | ( ( v(k,j,i) + & |
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| 154 | v(k,j+1,i) ) & |
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| 155 | / 2.0 )**2 + & |
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| 156 | ( ( w(k-1,j,i) + & |
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| 157 | w(k,j,i) ) & |
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| 158 | / 2.0 )**2 ) * & |
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| 159 | ( q(k,j,i) - sls(k,j,i) ) |
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| 160 | ENDDO |
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| 161 | ENDDO |
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| 162 | ENDDO |
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| 163 | |
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| 164 | ! |
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| 165 | !-- sgs-tke |
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| 166 | CASE ( 6 ) |
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| 167 | DO i = nxl, nxr |
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| 168 | DO j = nys, nyn |
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| 169 | DO k = nzb_s_inner(j,i)+1, pch_index |
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| 170 | tend(k,j,i) = tend(k,j,i) - & |
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| 171 | 2.0 * cdc(k,j,i) * lad_s(k,j,i) * & |
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| 172 | SQRT( ( ( u(k,j,i) + & |
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| 173 | u(k,j,i+1) ) & |
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| 174 | / 2.0 )**2 + & |
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| 175 | ( ( v(k,j,i) + & |
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| 176 | v(k,j+1,i) ) & |
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| 177 | / 2.0 )**2 + & |
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| 178 | ( ( w(k,j,i) + & |
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| 179 | w(k+1,j,i) ) & |
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| 180 | / 2.0 )**2 ) * & |
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| 181 | e(k,j,i) |
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| 182 | ENDDO |
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| 183 | ENDDO |
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| 184 | ENDDO |
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| 185 | |
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| 186 | CASE DEFAULT |
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| 187 | |
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| 188 | IF ( myid == 0 ) PRINT*,'+++ pcm: wrong component: ', & |
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| 189 | component |
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| 190 | CALL local_stop |
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| 191 | |
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| 192 | END SELECT |
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| 193 | |
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| 194 | END SUBROUTINE plant_canopy_model |
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| 195 | |
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| 196 | |
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| 197 | !------------------------------------------------------------------------------! |
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| 198 | ! Call for grid point i,j |
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| 199 | !------------------------------------------------------------------------------! |
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| 200 | SUBROUTINE plant_canopy_model_ij( i, j, component ) |
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| 201 | |
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| 202 | USE arrays_3d |
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| 203 | USE control_parameters |
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| 204 | USE indices |
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| 205 | USE pegrid |
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| 206 | |
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| 207 | IMPLICIT NONE |
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| 208 | |
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| 209 | INTEGER :: component, i, j, k |
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| 210 | |
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| 211 | ! |
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| 212 | !-- Compute drag for the three velocity components |
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| 213 | SELECT CASE ( component ) |
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| 214 | |
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| 215 | ! |
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| 216 | !-- u-component |
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| 217 | CASE ( 1 ) |
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| 218 | DO k = nzb_u_inner(j,i)+1, pch_index |
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| 219 | tend(k,j,i) = tend(k,j,i) - & |
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| 220 | cdc(k,j,i) * lad_u(k,j,i) * & |
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| 221 | SQRT( u(k,j,i)**2 + & |
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| 222 | ( ( v(k,j,i-1) + & |
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| 223 | v(k,j,i) + & |
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| 224 | v(k,j+1,i) + & |
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| 225 | v(k,j+1,i-1) ) & |
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| 226 | / 4.0 )**2 + & |
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| 227 | ( ( w(k-1,j,i-1) + & |
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| 228 | w(k-1,j,i) + & |
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| 229 | w(k,j,i-1) + & |
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| 230 | w(k,j,i) ) & |
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| 231 | / 4.0 )**2 ) * & |
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| 232 | u(k,j,i) |
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| 233 | ENDDO |
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| 234 | |
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| 235 | ! |
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| 236 | !-- v-component |
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| 237 | CASE ( 2 ) |
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| 238 | DO k = nzb_v_inner(j,i)+1, pch_index |
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| 239 | tend(k,j,i) = tend(k,j,i) - & |
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| 240 | cdc(k,j,i) * lad_v(k,j,i) * & |
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| 241 | SQRT( ( ( u(k,j-1,i) + & |
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| 242 | u(k,j-1,i+1) + & |
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| 243 | u(k,j,i) + & |
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| 244 | u(k,j,i+1) ) & |
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| 245 | / 4.0 )**2 + & |
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| 246 | v(k,j,i)**2 + & |
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| 247 | ( ( w(k-1,j-1,i) + & |
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| 248 | w(k-1,j,i) + & |
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| 249 | w(k,j-1,i) + & |
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| 250 | w(k,j,i) ) & |
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| 251 | / 4.0 )**2 ) * & |
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| 252 | v(k,j,i) |
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| 253 | ENDDO |
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| 254 | |
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| 255 | ! |
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| 256 | !-- w-component |
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| 257 | CASE ( 3 ) |
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| 258 | DO k = nzb_w_inner(j,i)+1, pch_index |
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| 259 | tend(k,j,i) = tend(k,j,i) - & |
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| 260 | cdc(k,j,i) * lad_w(k,j,i) * & |
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| 261 | SQRT( ( ( u(k,j,i) + & |
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| 262 | u(k,j,i+1) + & |
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| 263 | u(k+1,j,i) + & |
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| 264 | u(k+1,j,i+1) ) & |
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| 265 | / 4.0 )**2 + & |
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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+1,j,i) + & |
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| 269 | v(k+1,j+1,i) ) & |
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| 270 | / 4.0 )**2 + & |
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| 271 | w(k,j,i)**2 ) * & |
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| 272 | w(k,j,i) |
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| 273 | |
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| 274 | ENDDO |
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| 275 | |
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| 276 | ! |
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| 277 | !-- potential temperature |
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| 278 | CASE ( 4 ) |
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| 279 | DO k = nzb_s_inner(j,i)+1, pch_index |
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| 280 | tend(k,j,i) = tend(k,j,i) + & |
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| 281 | ( canopy_heat_flux(k,j,i) - & |
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| 282 | canopy_heat_flux(k-1,j,i) ) / & |
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| 283 | dzw(k) |
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| 284 | ENDDO |
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| 285 | |
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| 286 | |
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| 287 | ! |
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| 288 | !-- scalar concentration |
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| 289 | CASE ( 5 ) |
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| 290 | DO k = nzb_s_inner(j,i)+1, pch_index |
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| 291 | tend(k,j,i) = tend(k,j,i) - & |
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| 292 | sec(k,j,i) * lad_s(k,j,i) * & |
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| 293 | SQRT( ( ( u(k,j,i) + & |
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| 294 | u(k,j,i+1) ) & |
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| 295 | / 2.0 )**2 + & |
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| 296 | ( ( v(k,j,i) + & |
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| 297 | v(k,j+1,i) ) & |
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| 298 | / 2.0 )**2 + & |
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| 299 | ( ( w(k-1,j,i) + & |
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| 300 | w(k,j,i) ) & |
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| 301 | / 2.0 )**2 ) * & |
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| 302 | ( q(k,j,i) - sls(k,j,i) ) |
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| 303 | ENDDO |
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| 304 | |
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| 305 | ! |
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| 306 | !-- sgs-tke |
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| 307 | CASE ( 6 ) |
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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 | 2.0 * cdc(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,j,i) + & |
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| 318 | w(k+1,j,i) ) & |
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| 319 | / 2.0 )**2 ) * & |
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| 320 | e(k,j,i) |
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| 321 | ENDDO |
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| 322 | |
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| 323 | CASE DEFAULT |
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| 324 | |
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| 325 | IF ( myid == 0 ) PRINT*,'+++ pcm: wrong component: ', & |
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| 326 | component |
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| 327 | CALL local_stop |
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| 328 | |
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| 329 | END SELECT |
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| 330 | |
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| 331 | END SUBROUTINE plant_canopy_model_ij |
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| 332 | |
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| 333 | END MODULE plant_canopy_model_mod |
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