[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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[247] | 20 | ! Currrent revisions: |
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[1179] | 21 | ! ------------------ |
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[1320] | 22 | ! ONLY-attribute added to USE-statements, |
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| 23 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 24 | ! kinds are defined in new module kinds, |
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| 25 | ! revision history before 2012 removed, |
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| 26 | ! comment fields (!:) to be used for variable explanations added to |
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| 27 | ! all variable declaration statements |
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[98] | 28 | ! |
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| 29 | ! Former revisions: |
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| 30 | ! ----------------- |
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| 31 | ! $Id: buoyancy.f90 1320 2014-03-20 08:40:49Z raasch $ |
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| 32 | ! |
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[1258] | 33 | ! 1257 2013-11-08 15:18:40Z raasch |
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| 34 | ! vector length (32) removed from openacc clause |
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| 35 | ! |
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[1242] | 36 | ! 1241 2013-10-30 11:36:58Z heinze |
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| 37 | ! Generalize calc_mean_profile for wider use: use additional steering |
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| 38 | ! character loc |
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| 39 | ! |
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[1182] | 40 | ! 1179 2013-06-14 05:57:58Z raasch |
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| 41 | ! steering of reference state revised (var_reference and pr removed from |
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| 42 | ! parameter list), use_reference renamed use_single_reference_value |
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| 43 | ! |
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[1172] | 44 | ! 1171 2013-05-30 11:27:45Z raasch |
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| 45 | ! openacc statements added to use_reference-case in accelerator version |
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| 46 | ! |
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[1154] | 47 | ! 1153 2013-05-10 14:33:08Z raasch |
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| 48 | ! code adjustments of accelerator version required by PGI 12.3 / CUDA 5.0 |
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| 49 | ! |
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[1132] | 50 | ! 1128 2013-04-12 06:19:32Z raasch |
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| 51 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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| 52 | ! j_north |
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| 53 | ! |
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[1037] | 54 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 55 | ! code put under GPL (PALM 3.9) |
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| 56 | ! |
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[1017] | 57 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 58 | ! accelerator version (*_acc) added |
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| 59 | ! |
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[1011] | 60 | ! 1010 2012-09-20 07:59:54Z raasch |
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| 61 | ! cpp switch __nopointer added for pointer free version |
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| 62 | ! |
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[1] | 63 | ! Revision 1.1 1997/08/29 08:56:48 raasch |
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| 64 | ! Initial revision |
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| 65 | ! |
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| 66 | ! |
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| 67 | ! Description: |
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| 68 | ! ------------ |
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| 69 | ! Buoyancy term of the third component of the equation of motion. |
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| 70 | ! WARNING: humidity is not regarded when using a sloping surface! |
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| 71 | !------------------------------------------------------------------------------! |
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| 72 | |
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| 73 | PRIVATE |
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[1015] | 74 | PUBLIC buoyancy, buoyancy_acc, calc_mean_profile |
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[1] | 75 | |
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| 76 | INTERFACE buoyancy |
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| 77 | MODULE PROCEDURE buoyancy |
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| 78 | MODULE PROCEDURE buoyancy_ij |
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| 79 | END INTERFACE buoyancy |
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| 80 | |
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[1015] | 81 | INTERFACE buoyancy_acc |
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| 82 | MODULE PROCEDURE buoyancy_acc |
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| 83 | END INTERFACE buoyancy_acc |
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| 84 | |
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[96] | 85 | INTERFACE calc_mean_profile |
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| 86 | MODULE PROCEDURE calc_mean_profile |
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| 87 | END INTERFACE calc_mean_profile |
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[1] | 88 | |
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| 89 | CONTAINS |
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| 90 | |
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| 91 | |
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| 92 | !------------------------------------------------------------------------------! |
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| 93 | ! Call for all grid points |
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| 94 | !------------------------------------------------------------------------------! |
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[1179] | 95 | SUBROUTINE buoyancy( var, wind_component ) |
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[1] | 96 | |
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[1320] | 97 | USE arrays_3d, & |
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| 98 | ONLY: pt, pt_slope_ref, ref_state, tend |
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| 99 | |
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| 100 | USE control_parameters, & |
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| 101 | ONLY: atmos_ocean_sign, cos_alpha_surface, g, message_string, & |
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| 102 | pt_surface, sin_alpha_surface, sloping_surface |
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| 103 | |
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| 104 | USE indices, & |
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| 105 | ONLY: nxl, nxlu, nxr, nyn, nys, nzb_s_inner, nzt |
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| 106 | |
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| 107 | USE kinds |
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| 108 | |
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[1] | 109 | USE pegrid |
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| 110 | |
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[1320] | 111 | |
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[1] | 112 | IMPLICIT NONE |
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| 113 | |
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[1320] | 114 | INTEGER(iwp) :: i !: |
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| 115 | INTEGER(iwp) :: j !: |
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| 116 | INTEGER(iwp) :: k !: |
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| 117 | INTEGER(iwp) :: wind_component !: |
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| 118 | |
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[1010] | 119 | #if defined( __nopointer ) |
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[1320] | 120 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !: |
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[1010] | 121 | #else |
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[1320] | 122 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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[1010] | 123 | #endif |
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[1] | 124 | |
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| 125 | |
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| 126 | IF ( .NOT. sloping_surface ) THEN |
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| 127 | ! |
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| 128 | !-- Normal case: horizontal surface |
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[1179] | 129 | DO i = nxl, nxr |
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| 130 | DO j = nys, nyn |
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| 131 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 132 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 133 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 134 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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| 135 | ) |
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[57] | 136 | ENDDO |
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| 137 | ENDDO |
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[1179] | 138 | ENDDO |
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[1] | 139 | |
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| 140 | ELSE |
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| 141 | ! |
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| 142 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 143 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 144 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 145 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 146 | !-- of the total domain. |
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| 147 | IF ( wind_component == 1 ) THEN |
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| 148 | |
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[106] | 149 | DO i = nxlu, nxr |
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[1] | 150 | DO j = nys, nyn |
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| 151 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 152 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 153 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 154 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 155 | ) / pt_surface |
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| 156 | ENDDO |
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| 157 | ENDDO |
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| 158 | ENDDO |
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| 159 | |
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| 160 | ELSEIF ( wind_component == 3 ) THEN |
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| 161 | |
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| 162 | DO i = nxl, nxr |
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| 163 | DO j = nys, nyn |
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| 164 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 165 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 166 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 167 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 168 | ) / pt_surface |
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| 169 | ENDDO |
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| 170 | ENDDO |
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| 171 | ENDDO |
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| 172 | |
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| 173 | ELSE |
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[247] | 174 | |
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[1320] | 175 | WRITE( message_string, * ) 'no term for component "', & |
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[1] | 176 | wind_component,'"' |
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[247] | 177 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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[1] | 178 | |
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| 179 | ENDIF |
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| 180 | |
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| 181 | ENDIF |
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| 182 | |
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| 183 | END SUBROUTINE buoyancy |
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| 184 | |
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| 185 | |
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| 186 | !------------------------------------------------------------------------------! |
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[1015] | 187 | ! Call for all grid points - accelerator version |
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| 188 | !------------------------------------------------------------------------------! |
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[1179] | 189 | SUBROUTINE buoyancy_acc( var, wind_component ) |
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[1015] | 190 | |
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[1320] | 191 | USE arrays_3d, & |
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| 192 | ONLY: pt, pt_slope_ref, ref_state, tend |
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| 193 | |
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| 194 | USE control_parameters, & |
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| 195 | ONLY: atmos_ocean_sign, cos_alpha_surface, g, message_string, & |
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| 196 | pt_surface, sin_alpha_surface, sloping_surface |
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| 197 | |
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| 198 | USE indices, & |
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| 199 | ONLY: i_left, i_right, j_north, j_south, nxl, nxlu, nxr, nyn, nys, & |
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| 200 | nzb_s_inner, nzt |
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| 201 | |
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| 202 | USE kinds |
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| 203 | |
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[1015] | 204 | USE pegrid |
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| 205 | |
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[1320] | 206 | |
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[1015] | 207 | IMPLICIT NONE |
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| 208 | |
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[1320] | 209 | INTEGER(iwp) :: i !: |
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| 210 | INTEGER(iwp) :: j !: |
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| 211 | INTEGER(iwp) :: k !: |
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| 212 | INTEGER(iwp) :: wind_component !: |
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| 213 | |
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[1015] | 214 | #if defined( __nopointer ) |
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[1320] | 215 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !: |
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[1015] | 216 | #else |
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[1320] | 217 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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[1015] | 218 | #endif |
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| 219 | |
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| 220 | |
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| 221 | IF ( .NOT. sloping_surface ) THEN |
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| 222 | ! |
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| 223 | !-- Normal case: horizontal surface |
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[1179] | 224 | !$acc kernels present( nzb_s_inner, ref_state, tend, var ) |
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| 225 | !$acc loop |
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| 226 | DO i = i_left, i_right |
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| 227 | DO j = j_south, j_north |
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[1257] | 228 | !$acc loop independent vector |
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[1179] | 229 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 230 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 231 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 232 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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| 233 | ) |
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[1015] | 234 | ENDDO |
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| 235 | ENDDO |
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[1179] | 236 | ENDDO |
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| 237 | !$acc end kernels |
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[1015] | 238 | |
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| 239 | ELSE |
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| 240 | ! |
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| 241 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 242 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 243 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 244 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 245 | !-- of the total domain. |
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| 246 | IF ( wind_component == 1 ) THEN |
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| 247 | |
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| 248 | DO i = nxlu, nxr |
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| 249 | DO j = nys, nyn |
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| 250 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 251 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 252 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 253 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 254 | ) / pt_surface |
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| 255 | ENDDO |
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| 256 | ENDDO |
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| 257 | ENDDO |
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| 258 | |
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| 259 | ELSEIF ( wind_component == 3 ) THEN |
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| 260 | |
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| 261 | DO i = nxl, nxr |
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| 262 | DO j = nys, nyn |
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| 263 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 264 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 265 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 266 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 267 | ) / pt_surface |
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| 268 | ENDDO |
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| 269 | ENDDO |
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| 270 | ENDDO |
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| 271 | |
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| 272 | ELSE |
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| 273 | |
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[1320] | 274 | WRITE( message_string, * ) 'no term for component "', & |
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[1015] | 275 | wind_component,'"' |
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| 276 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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| 277 | |
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| 278 | ENDIF |
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| 279 | |
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| 280 | ENDIF |
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| 281 | |
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| 282 | END SUBROUTINE buoyancy_acc |
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| 283 | |
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| 284 | |
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| 285 | !------------------------------------------------------------------------------! |
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[1] | 286 | ! Call for grid point i,j |
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[515] | 287 | ! ATTENTION: PGI-compiler creates SIGFPE if opt>1 is used! Therefore, opt=1 is |
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| 288 | ! forced by compiler-directive. |
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[1] | 289 | !------------------------------------------------------------------------------! |
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[515] | 290 | !pgi$r opt=1 |
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[1179] | 291 | SUBROUTINE buoyancy_ij( i, j, var, wind_component ) |
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[1] | 292 | |
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[1320] | 293 | USE arrays_3d, & |
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| 294 | ONLY: pt, pt_slope_ref, ref_state, tend |
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| 295 | |
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| 296 | USE control_parameters, & |
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| 297 | ONLY: atmos_ocean_sign, cos_alpha_surface, g, message_string, & |
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| 298 | pt_surface, sin_alpha_surface, sloping_surface |
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| 299 | |
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| 300 | USE indices, & |
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| 301 | ONLY: nzb_s_inner, nzt |
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| 302 | |
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| 303 | USE kinds |
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| 304 | |
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[1] | 305 | USE pegrid |
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| 306 | |
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[1320] | 307 | |
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[1] | 308 | IMPLICIT NONE |
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| 309 | |
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[1320] | 310 | INTEGER(iwp) :: i !: |
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| 311 | INTEGER(iwp) :: j !: |
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| 312 | INTEGER(iwp) :: k !: |
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| 313 | INTEGER(iwp) :: pr !: |
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| 314 | INTEGER(iwp) :: wind_component !: |
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| 315 | |
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[1010] | 316 | #if defined( __nopointer ) |
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[1320] | 317 | REAL(wp), DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var !: |
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[1010] | 318 | #else |
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[1320] | 319 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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[1010] | 320 | #endif |
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[1] | 321 | |
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| 322 | |
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| 323 | IF ( .NOT. sloping_surface ) THEN |
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| 324 | ! |
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| 325 | !-- Normal case: horizontal surface |
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[1179] | 326 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[1320] | 327 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 328 | ( var(k,j,i) - ref_state(k) ) / ref_state(k) + & |
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| 329 | ( var(k+1,j,i) - ref_state(k+1) ) / ref_state(k+1) & |
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[1179] | 330 | ) |
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| 331 | ENDDO |
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[1] | 332 | |
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| 333 | ELSE |
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| 334 | ! |
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| 335 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 336 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 337 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 338 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 339 | !-- of the total domain. |
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| 340 | IF ( wind_component == 1 ) THEN |
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| 341 | |
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| 342 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 343 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 344 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 345 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 346 | ) / pt_surface |
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| 347 | ENDDO |
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| 348 | |
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| 349 | ELSEIF ( wind_component == 3 ) THEN |
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| 350 | |
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| 351 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 352 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 353 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 354 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 355 | ) / pt_surface |
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| 356 | ENDDO |
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| 357 | |
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| 358 | ELSE |
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| 359 | |
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[1320] | 360 | WRITE( message_string, * ) 'no term for component "', & |
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[1] | 361 | wind_component,'"' |
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[247] | 362 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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[1] | 363 | |
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| 364 | ENDIF |
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| 365 | |
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| 366 | ENDIF |
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| 367 | |
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| 368 | END SUBROUTINE buoyancy_ij |
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| 369 | |
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| 370 | |
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[1241] | 371 | SUBROUTINE calc_mean_profile( var, pr, loc ) |
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[1] | 372 | |
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| 373 | !------------------------------------------------------------------------------! |
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| 374 | ! Description: |
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| 375 | ! ------------ |
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| 376 | ! Calculate the horizontally averaged vertical temperature profile (pr=4 in case |
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[1179] | 377 | ! of potential temperature, 44 in case of virtual potential temperature, and 64 |
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| 378 | ! in case of density (ocean runs)). |
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[1] | 379 | !------------------------------------------------------------------------------! |
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| 380 | |
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[1320] | 381 | USE arrays_3d, & |
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| 382 | ONLY: ref_state |
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| 383 | |
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| 384 | USE control_parameters, & |
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| 385 | ONLY: intermediate_timestep_count, message_string |
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| 386 | |
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| 387 | USE indices, & |
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| 388 | ONLY: ngp_2dh_s_inner, nxl, nxr, nyn, nys, nzb, nzb_s_inner, nzt |
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| 389 | |
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| 390 | USE kinds |
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| 391 | |
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[1] | 392 | USE pegrid |
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| 393 | |
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[1320] | 394 | USE statistics, & |
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| 395 | ONLY: flow_statistics_called, hom, sums, sums_l |
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| 396 | |
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| 397 | |
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[1] | 398 | IMPLICIT NONE |
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| 399 | |
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[1320] | 400 | CHARACTER (LEN=*) :: loc !: |
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| 401 | |
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| 402 | INTEGER(iwp) :: i !: |
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| 403 | INTEGER(iwp) :: j !: |
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| 404 | INTEGER(iwp) :: k !: |
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| 405 | INTEGER(iwp) :: pr !: |
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| 406 | INTEGER(iwp) :: omp_get_thread_num !: |
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| 407 | INTEGER(iwp) :: tn !: |
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| 408 | |
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[1010] | 409 | #if defined( __nopointer ) |
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[1320] | 410 | REAL(wp), DIMENSION(:,:,:) :: var !: |
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[1010] | 411 | #else |
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[1320] | 412 | REAL(wp), DIMENSION(:,:,:), POINTER :: var |
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[1010] | 413 | #endif |
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[1] | 414 | |
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| 415 | ! |
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[96] | 416 | !-- Computation of the horizontally averaged profile of variable var, unless |
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[1] | 417 | !-- already done by the relevant call from flow_statistics. The calculation |
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| 418 | !-- is done only for the first respective intermediate timestep in order to |
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| 419 | !-- spare communication time and to produce identical model results with jobs |
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| 420 | !-- which are calling flow_statistics at different time intervals. |
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[1320] | 421 | IF ( .NOT. flow_statistics_called .AND. & |
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[1] | 422 | intermediate_timestep_count == 1 ) THEN |
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| 423 | |
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| 424 | ! |
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[96] | 425 | !-- Horizontal average of variable var |
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[1] | 426 | tn = 0 ! Default thread number in case of one thread |
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| 427 | !$OMP PARALLEL PRIVATE( i, j, k, tn ) |
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| 428 | !$ tn = omp_get_thread_num() |
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| 429 | sums_l(:,pr,tn) = 0.0 |
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| 430 | !$OMP DO |
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| 431 | DO i = nxl, nxr |
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| 432 | DO j = nys, nyn |
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[132] | 433 | DO k = nzb_s_inner(j,i), nzt+1 |
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[96] | 434 | sums_l(k,pr,tn) = sums_l(k,pr,tn) + var(k,j,i) |
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[1] | 435 | ENDDO |
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| 436 | ENDDO |
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| 437 | ENDDO |
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| 438 | !$OMP END PARALLEL |
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| 439 | |
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| 440 | DO i = 1, threads_per_task-1 |
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| 441 | sums_l(:,pr,0) = sums_l(:,pr,0) + sums_l(:,pr,i) |
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| 442 | ENDDO |
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| 443 | |
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| 444 | #if defined( __parallel ) |
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| 445 | |
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[622] | 446 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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[1320] | 447 | CALL MPI_ALLREDUCE( sums_l(nzb,pr,0), sums(nzb,pr), nzt+2-nzb, & |
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[1] | 448 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
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| 449 | |
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| 450 | #else |
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| 451 | |
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| 452 | sums(:,pr) = sums_l(:,pr,0) |
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| 453 | |
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| 454 | #endif |
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| 455 | |
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[132] | 456 | hom(:,1,pr,0) = sums(:,pr) / ngp_2dh_s_inner(:,0) |
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[1] | 457 | |
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| 458 | ENDIF |
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| 459 | |
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[1241] | 460 | SELECT CASE ( loc ) |
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[1179] | 461 | |
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[1241] | 462 | CASE ( 'time_int' ) |
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| 463 | |
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| 464 | ref_state(:) = hom(:,1,pr,0) ! this is used in the buoyancy term |
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| 465 | |
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| 466 | |
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| 467 | CASE ( 'nudging' ) |
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| 468 | !nothing to be done |
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| 469 | |
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| 470 | |
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| 471 | CASE DEFAULT |
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| 472 | message_string = 'unknown location "' // loc // '"' |
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| 473 | CALL message( 'calc_mean_profile', 'PA0379', 1, 2, 0, 6, 0 ) |
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| 474 | |
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| 475 | END SELECT |
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| 476 | |
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| 477 | |
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| 478 | |
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[96] | 479 | END SUBROUTINE calc_mean_profile |
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[1] | 480 | |
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| 481 | END MODULE buoyancy_mod |
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