[1] | 1 | MODULE buoyancy_mod |
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| 2 | |
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[1036] | 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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[1310] | 17 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
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[1036] | 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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[1328] | 20 | ! Current revisions: |
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[1179] | 21 | ! ------------------ |
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[1374] | 22 | ! missing variables added to ONLY list |
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[1354] | 23 | ! |
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[1321] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: buoyancy.f90 1374 2014-04-25 12:55:07Z raasch $ |
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| 27 | ! |
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[1366] | 28 | ! 1365 2014-04-22 15:03:56Z boeske |
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| 29 | ! Calculation of reference state in subroutine calc_mean_profile moved to |
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| 30 | ! subroutine time_integration, |
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| 31 | ! subroutine calc_mean_profile moved to new file calc_mean_profile.f90 |
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| 32 | ! |
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[1354] | 33 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 34 | ! REAL constants provided with KIND-attribute |
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| 35 | ! |
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[1321] | 36 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 37 | ! ONLY-attribute added to USE-statements, |
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| 38 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 39 | ! kinds are defined in new module kinds, |
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| 40 | ! revision history before 2012 removed, |
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| 41 | ! comment fields (!:) to be used for variable explanations added to |
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| 42 | ! all variable declaration statements |
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[98] | 43 | ! |
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[1258] | 44 | ! 1257 2013-11-08 15:18:40Z raasch |
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| 45 | ! vector length (32) removed from openacc clause |
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| 46 | ! |
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[1242] | 47 | ! 1241 2013-10-30 11:36:58Z heinze |
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| 48 | ! Generalize calc_mean_profile for wider use: use additional steering |
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| 49 | ! character loc |
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| 50 | ! |
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[1182] | 51 | ! 1179 2013-06-14 05:57:58Z raasch |
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| 52 | ! steering of reference state revised (var_reference and pr removed from |
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| 53 | ! parameter list), use_reference renamed use_single_reference_value |
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| 54 | ! |
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[1172] | 55 | ! 1171 2013-05-30 11:27:45Z raasch |
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| 56 | ! openacc statements added to use_reference-case in accelerator version |
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| 57 | ! |
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[1154] | 58 | ! 1153 2013-05-10 14:33:08Z raasch |
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| 59 | ! code adjustments of accelerator version required by PGI 12.3 / CUDA 5.0 |
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| 60 | ! |
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[1132] | 61 | ! 1128 2013-04-12 06:19:32Z raasch |
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| 62 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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| 63 | ! j_north |
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| 64 | ! |
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[1037] | 65 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 66 | ! code put under GPL (PALM 3.9) |
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| 67 | ! |
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[1017] | 68 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 69 | ! accelerator version (*_acc) added |
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| 70 | ! |
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[1011] | 71 | ! 1010 2012-09-20 07:59:54Z raasch |
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| 72 | ! cpp switch __nopointer added for pointer free version |
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| 73 | ! |
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[1] | 74 | ! Revision 1.1 1997/08/29 08:56:48 raasch |
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| 75 | ! Initial revision |
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| 76 | ! |
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| 77 | ! |
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| 78 | ! Description: |
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| 79 | ! ------------ |
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| 80 | ! Buoyancy term of the third component of the equation of motion. |
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| 81 | ! WARNING: humidity is not regarded when using a sloping surface! |
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| 82 | !------------------------------------------------------------------------------! |
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| 83 | |
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| 84 | PRIVATE |
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[1365] | 85 | PUBLIC buoyancy, buoyancy_acc |
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[1] | 86 | |
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| 87 | INTERFACE buoyancy |
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| 88 | MODULE PROCEDURE buoyancy |
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| 89 | MODULE PROCEDURE buoyancy_ij |
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| 90 | END INTERFACE buoyancy |
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| 91 | |
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[1015] | 92 | INTERFACE buoyancy_acc |
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| 93 | MODULE PROCEDURE buoyancy_acc |
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| 94 | END INTERFACE buoyancy_acc |
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| 95 | |
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[1] | 96 | CONTAINS |
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| 97 | |
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| 98 | |
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| 99 | !------------------------------------------------------------------------------! |
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| 100 | ! Call for all grid points |
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| 101 | !------------------------------------------------------------------------------! |
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[1179] | 102 | SUBROUTINE buoyancy( var, wind_component ) |
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[1] | 103 | |
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[1320] | 104 | USE arrays_3d, & |
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| 105 | ONLY: pt, pt_slope_ref, ref_state, tend |
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| 106 | |
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| 107 | USE control_parameters, & |
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| 108 | ONLY: atmos_ocean_sign, cos_alpha_surface, g, message_string, & |
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| 109 | pt_surface, sin_alpha_surface, sloping_surface |
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| 110 | |
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| 111 | USE indices, & |
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[1374] | 112 | ONLY: nxl, nxlg, nxlu, nxr, nxrg, nyn, nyng, nys, nysg, nzb, & |
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| 113 | nzb_s_inner, nzt |
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[1320] | 114 | |
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| 115 | USE kinds |
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| 116 | |
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[1] | 117 | USE pegrid |
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| 118 | |
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[1320] | 119 | |
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[1] | 120 | IMPLICIT NONE |
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| 121 | |
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[1320] | 122 | INTEGER(iwp) :: i !: |
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| 123 | INTEGER(iwp) :: j !: |
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| 124 | INTEGER(iwp) :: k !: |
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| 125 | INTEGER(iwp) :: wind_component !: |
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| 126 | |
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[1010] | 127 | #if defined( __nopointer ) |
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[1320] | 128 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !: |
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[1010] | 129 | #else |
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[1320] | 130 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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[1010] | 131 | #endif |
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[1] | 132 | |
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| 133 | |
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| 134 | IF ( .NOT. sloping_surface ) THEN |
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| 135 | ! |
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| 136 | !-- Normal case: horizontal surface |
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[1179] | 137 | DO i = nxl, nxr |
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| 138 | DO j = nys, nyn |
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| 139 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[1353] | 140 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5_wp * & |
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| 141 | ( & |
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| 142 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 143 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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| 144 | ) |
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[57] | 145 | ENDDO |
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| 146 | ENDDO |
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[1179] | 147 | ENDDO |
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[1] | 148 | |
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| 149 | ELSE |
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| 150 | ! |
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| 151 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 152 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 153 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 154 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 155 | !-- of the total domain. |
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| 156 | IF ( wind_component == 1 ) THEN |
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| 157 | |
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[106] | 158 | DO i = nxlu, nxr |
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[1] | 159 | DO j = nys, nyn |
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| 160 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 161 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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[1353] | 162 | 0.5_wp * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 163 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 164 | ) / pt_surface |
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[1] | 165 | ENDDO |
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| 166 | ENDDO |
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| 167 | ENDDO |
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| 168 | |
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| 169 | ELSEIF ( wind_component == 3 ) THEN |
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| 170 | |
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| 171 | DO i = nxl, nxr |
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| 172 | DO j = nys, nyn |
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| 173 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 174 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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[1353] | 175 | 0.5_wp * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 176 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 177 | ) / pt_surface |
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[1] | 178 | ENDDO |
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| 179 | ENDDO |
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| 180 | ENDDO |
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| 181 | |
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| 182 | ELSE |
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[247] | 183 | |
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[1320] | 184 | WRITE( message_string, * ) 'no term for component "', & |
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[1] | 185 | wind_component,'"' |
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[247] | 186 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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[1] | 187 | |
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| 188 | ENDIF |
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| 189 | |
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| 190 | ENDIF |
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| 191 | |
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| 192 | END SUBROUTINE buoyancy |
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| 193 | |
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| 194 | |
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| 195 | !------------------------------------------------------------------------------! |
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[1015] | 196 | ! Call for all grid points - accelerator version |
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| 197 | !------------------------------------------------------------------------------! |
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[1179] | 198 | SUBROUTINE buoyancy_acc( var, wind_component ) |
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[1015] | 199 | |
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[1320] | 200 | USE arrays_3d, & |
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| 201 | ONLY: pt, pt_slope_ref, ref_state, tend |
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| 202 | |
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| 203 | USE control_parameters, & |
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| 204 | ONLY: atmos_ocean_sign, cos_alpha_surface, g, message_string, & |
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| 205 | pt_surface, sin_alpha_surface, sloping_surface |
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| 206 | |
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| 207 | USE indices, & |
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[1374] | 208 | ONLY: i_left, i_right, j_north, j_south, nxl, nxlg, nxlu, nxr, & |
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| 209 | nxrg, nyn, nyng, nys, nysg, nzb, nzb_s_inner, nzt |
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[1320] | 210 | |
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| 211 | USE kinds |
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| 212 | |
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[1015] | 213 | USE pegrid |
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| 214 | |
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[1320] | 215 | |
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[1015] | 216 | IMPLICIT NONE |
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| 217 | |
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[1320] | 218 | INTEGER(iwp) :: i !: |
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| 219 | INTEGER(iwp) :: j !: |
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| 220 | INTEGER(iwp) :: k !: |
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| 221 | INTEGER(iwp) :: wind_component !: |
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| 222 | |
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[1015] | 223 | #if defined( __nopointer ) |
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[1320] | 224 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !: |
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[1015] | 225 | #else |
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[1320] | 226 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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[1015] | 227 | #endif |
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| 228 | |
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| 229 | |
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| 230 | IF ( .NOT. sloping_surface ) THEN |
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| 231 | ! |
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| 232 | !-- Normal case: horizontal surface |
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[1179] | 233 | !$acc kernels present( nzb_s_inner, ref_state, tend, var ) |
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| 234 | !$acc loop |
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| 235 | DO i = i_left, i_right |
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| 236 | DO j = j_south, j_north |
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[1257] | 237 | !$acc loop independent vector |
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[1179] | 238 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[1353] | 239 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5_wp * & |
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| 240 | ( & |
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| 241 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 242 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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| 243 | ) |
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[1015] | 244 | ENDDO |
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| 245 | ENDDO |
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[1179] | 246 | ENDDO |
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| 247 | !$acc end kernels |
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[1015] | 248 | |
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| 249 | ELSE |
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| 250 | ! |
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| 251 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 252 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 253 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 254 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 255 | !-- of the total domain. |
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| 256 | IF ( wind_component == 1 ) THEN |
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| 257 | |
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| 258 | DO i = nxlu, nxr |
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| 259 | DO j = nys, nyn |
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| 260 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 261 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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[1353] | 262 | 0.5_wp * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 263 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 264 | ) / pt_surface |
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[1015] | 265 | ENDDO |
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| 266 | ENDDO |
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| 267 | ENDDO |
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| 268 | |
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| 269 | ELSEIF ( wind_component == 3 ) THEN |
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| 270 | |
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| 271 | DO i = nxl, nxr |
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| 272 | DO j = nys, nyn |
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| 273 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 274 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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[1353] | 275 | 0.5_wp * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 276 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 277 | ) / pt_surface |
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[1015] | 278 | ENDDO |
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| 279 | ENDDO |
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| 280 | ENDDO |
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| 281 | |
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| 282 | ELSE |
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| 283 | |
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[1320] | 284 | WRITE( message_string, * ) 'no term for component "', & |
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[1015] | 285 | wind_component,'"' |
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| 286 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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| 287 | |
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| 288 | ENDIF |
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| 289 | |
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| 290 | ENDIF |
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| 291 | |
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| 292 | END SUBROUTINE buoyancy_acc |
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| 293 | |
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| 294 | |
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| 295 | !------------------------------------------------------------------------------! |
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[1] | 296 | ! Call for grid point i,j |
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[515] | 297 | ! ATTENTION: PGI-compiler creates SIGFPE if opt>1 is used! Therefore, opt=1 is |
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| 298 | ! forced by compiler-directive. |
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[1] | 299 | !------------------------------------------------------------------------------! |
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[515] | 300 | !pgi$r opt=1 |
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[1179] | 301 | SUBROUTINE buoyancy_ij( i, j, var, wind_component ) |
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[1] | 302 | |
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[1320] | 303 | USE arrays_3d, & |
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| 304 | ONLY: pt, pt_slope_ref, ref_state, tend |
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| 305 | |
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| 306 | USE control_parameters, & |
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| 307 | ONLY: atmos_ocean_sign, cos_alpha_surface, g, message_string, & |
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| 308 | pt_surface, sin_alpha_surface, sloping_surface |
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| 309 | |
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| 310 | USE indices, & |
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[1374] | 311 | ONLY: nxlg, nxrg, nyng, nysg, nzb, nzb_s_inner, nzt |
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[1320] | 312 | |
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| 313 | USE kinds |
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| 314 | |
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[1] | 315 | USE pegrid |
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| 316 | |
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[1320] | 317 | |
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[1] | 318 | IMPLICIT NONE |
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| 319 | |
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[1320] | 320 | INTEGER(iwp) :: i !: |
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| 321 | INTEGER(iwp) :: j !: |
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| 322 | INTEGER(iwp) :: k !: |
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| 323 | INTEGER(iwp) :: pr !: |
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| 324 | INTEGER(iwp) :: wind_component !: |
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| 325 | |
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[1010] | 326 | #if defined( __nopointer ) |
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[1320] | 327 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !: |
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[1010] | 328 | #else |
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[1320] | 329 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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[1010] | 330 | #endif |
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[1] | 331 | |
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| 332 | |
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| 333 | IF ( .NOT. sloping_surface ) THEN |
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| 334 | ! |
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| 335 | !-- Normal case: horizontal surface |
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[1179] | 336 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[1353] | 337 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5_wp * ( & |
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[1320] | 338 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 339 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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[1353] | 340 | ) |
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[1179] | 341 | ENDDO |
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[1] | 342 | |
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| 343 | ELSE |
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| 344 | ! |
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| 345 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 346 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 347 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 348 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 349 | !-- of the total domain. |
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| 350 | IF ( wind_component == 1 ) THEN |
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| 351 | |
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| 352 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 353 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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[1353] | 354 | 0.5_wp * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 355 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 356 | ) / pt_surface |
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[1] | 357 | ENDDO |
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| 358 | |
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| 359 | ELSEIF ( wind_component == 3 ) THEN |
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| 360 | |
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| 361 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 362 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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[1353] | 363 | 0.5_wp * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 364 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 365 | ) / pt_surface |
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[1] | 366 | ENDDO |
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| 367 | |
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| 368 | ELSE |
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| 369 | |
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[1320] | 370 | WRITE( message_string, * ) 'no term for component "', & |
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[1] | 371 | wind_component,'"' |
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[247] | 372 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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[1] | 373 | |
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| 374 | ENDIF |
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| 375 | |
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| 376 | ENDIF |
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| 377 | |
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| 378 | END SUBROUTINE buoyancy_ij |
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| 379 | |
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| 380 | END MODULE buoyancy_mod |
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