[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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| 17 | ! Copyright 1997-2012 Leibniz University Hannover |
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| 18 | !--------------------------------------------------------------------------------! |
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| 19 | ! |
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[247] | 20 | ! Currrent revisions: |
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[1] | 21 | ! ----------------- |
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[98] | 22 | ! |
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[1154] | 23 | ! |
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[98] | 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: buoyancy.f90 1154 2013-05-10 14:43:15Z raasch $ |
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| 27 | ! |
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[1154] | 28 | ! 1153 2013-05-10 14:33:08Z raasch |
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| 29 | ! code adjustments of accelerator version required by PGI 12.3 / CUDA 5.0 |
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| 30 | ! |
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[1132] | 31 | ! 1128 2013-04-12 06:19:32Z raasch |
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| 32 | ! loop index bounds in accelerator version replaced by i_left, i_right, j_south, |
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| 33 | ! j_north |
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| 34 | ! |
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[1037] | 35 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 36 | ! code put under GPL (PALM 3.9) |
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| 37 | ! |
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[1017] | 38 | ! 1015 2012-09-27 09:23:24Z raasch |
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| 39 | ! accelerator version (*_acc) added |
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| 40 | ! |
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[1011] | 41 | ! 1010 2012-09-20 07:59:54Z raasch |
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| 42 | ! cpp switch __nopointer added for pointer free version |
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| 43 | ! |
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[623] | 44 | ! 622 2010-12-10 08:08:13Z raasch |
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| 45 | ! optional barriers included in order to speed up collective operations |
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| 46 | ! |
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[516] | 47 | ! 515 2010-03-18 02:30:38Z raasch |
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| 48 | ! PGI-compiler creates SIGFPE in routine buoyancy, if opt>1 is used! Therefore, |
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| 49 | ! opt=1 is forced by compiler-directive. |
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| 50 | ! |
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[392] | 51 | ! 247 2009-02-27 14:01:30Z heinze |
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| 52 | ! Output of messages replaced by message handling routine |
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| 53 | ! |
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[139] | 54 | ! 132 2007-11-20 09:46:11Z letzel |
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| 55 | ! Vertical scalar profiles now based on nzb_s_inner and ngp_2dh_s_inner. |
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| 56 | ! |
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[110] | 57 | ! 106 2007-08-16 14:30:26Z raasch |
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| 58 | ! i loop for u-component (sloping surface) is starting from nxlu (needed for |
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| 59 | ! non-cyclic boundary conditions) |
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| 60 | ! |
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[98] | 61 | ! 97 2007-06-21 08:23:15Z raasch |
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[97] | 62 | ! Routine reneralized to be used with temperature AND density: |
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| 63 | ! argument theta renamed var, new argument var_reference, |
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| 64 | ! use_pt_reference renamed use_reference, |
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[96] | 65 | ! calc_mean_pt_profile renamed calc_mean_profile |
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[1] | 66 | ! |
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[77] | 67 | ! 57 2007-03-09 12:05:41Z raasch |
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| 68 | ! Reference temperature pt_reference can be used. |
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| 69 | ! |
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[3] | 70 | ! RCS Log replace by Id keyword, revision history cleaned up |
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| 71 | ! |
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[1] | 72 | ! Revision 1.19 2006/04/26 12:09:56 raasch |
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| 73 | ! OpenMP optimization (one dimension added to sums_l) |
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| 74 | ! |
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| 75 | ! Revision 1.1 1997/08/29 08:56:48 raasch |
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| 76 | ! Initial revision |
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| 77 | ! |
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| 78 | ! |
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| 79 | ! Description: |
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| 80 | ! ------------ |
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| 81 | ! Buoyancy term of the third component of the equation of motion. |
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| 82 | ! WARNING: humidity is not regarded when using a sloping surface! |
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| 83 | !------------------------------------------------------------------------------! |
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| 84 | |
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| 85 | PRIVATE |
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[1015] | 86 | PUBLIC buoyancy, buoyancy_acc, calc_mean_profile |
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[1] | 87 | |
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| 88 | INTERFACE buoyancy |
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| 89 | MODULE PROCEDURE buoyancy |
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| 90 | MODULE PROCEDURE buoyancy_ij |
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| 91 | END INTERFACE buoyancy |
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| 92 | |
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[1015] | 93 | INTERFACE buoyancy_acc |
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| 94 | MODULE PROCEDURE buoyancy_acc |
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| 95 | END INTERFACE buoyancy_acc |
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| 96 | |
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[96] | 97 | INTERFACE calc_mean_profile |
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| 98 | MODULE PROCEDURE calc_mean_profile |
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| 99 | END INTERFACE calc_mean_profile |
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[1] | 100 | |
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| 101 | CONTAINS |
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| 102 | |
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| 103 | |
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| 104 | !------------------------------------------------------------------------------! |
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| 105 | ! Call for all grid points |
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| 106 | !------------------------------------------------------------------------------! |
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[97] | 107 | SUBROUTINE buoyancy( var, var_reference, wind_component, pr ) |
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[1] | 108 | |
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| 109 | USE arrays_3d |
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| 110 | USE control_parameters |
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| 111 | USE indices |
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| 112 | USE pegrid |
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| 113 | USE statistics |
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| 114 | |
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| 115 | IMPLICIT NONE |
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| 116 | |
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| 117 | INTEGER :: i, j, k, pr, wind_component |
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[97] | 118 | REAL :: var_reference |
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[1010] | 119 | #if defined( __nopointer ) |
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| 120 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 121 | #else |
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| 122 | REAL, DIMENSION(:,:,:), POINTER :: var |
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| 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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[97] | 129 | IF ( use_reference ) THEN |
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[57] | 130 | DO i = nxl, nxr |
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| 131 | DO j = nys, nyn |
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| 132 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 133 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 134 | ( & |
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| 135 | ( var(k,j,i) - hom(k,1,pr,0) ) / var_reference + & |
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| 136 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / var_reference & |
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[57] | 137 | ) |
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| 138 | ENDDO |
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| 139 | ENDDO |
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| 140 | ENDDO |
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| 141 | ELSE |
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| 142 | DO i = nxl, nxr |
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| 143 | DO j = nys, nyn |
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| 144 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 145 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 146 | ( & |
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| 147 | ( var(k,j,i) - hom(k,1,pr,0) ) / hom(k,1,pr,0) + & |
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| 148 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / hom(k+1,1,pr,0) & |
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[57] | 149 | ) |
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| 150 | ENDDO |
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[1] | 151 | ENDDO |
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| 152 | ENDDO |
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[57] | 153 | ENDIF |
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[1] | 154 | |
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| 155 | ELSE |
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| 156 | ! |
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| 157 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 158 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 159 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 160 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 161 | !-- of the total domain. |
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| 162 | IF ( wind_component == 1 ) THEN |
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| 163 | |
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[106] | 164 | DO i = nxlu, nxr |
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[1] | 165 | DO j = nys, nyn |
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| 166 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 167 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 168 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 169 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 170 | ) / pt_surface |
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| 171 | ENDDO |
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| 172 | ENDDO |
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| 173 | ENDDO |
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| 174 | |
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| 175 | ELSEIF ( wind_component == 3 ) THEN |
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| 176 | |
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| 177 | DO i = nxl, nxr |
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| 178 | DO j = nys, nyn |
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| 179 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 180 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 181 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 182 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 183 | ) / pt_surface |
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| 184 | ENDDO |
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| 185 | ENDDO |
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| 186 | ENDDO |
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| 187 | |
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| 188 | ELSE |
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[247] | 189 | |
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| 190 | WRITE( message_string, * ) 'no term for component "',& |
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[1] | 191 | wind_component,'"' |
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[247] | 192 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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[1] | 193 | |
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| 194 | ENDIF |
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| 195 | |
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| 196 | ENDIF |
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| 197 | |
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| 198 | END SUBROUTINE buoyancy |
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| 199 | |
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| 200 | |
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| 201 | !------------------------------------------------------------------------------! |
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[1015] | 202 | ! Call for all grid points - accelerator version |
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| 203 | !------------------------------------------------------------------------------! |
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| 204 | SUBROUTINE buoyancy_acc( var, var_reference, wind_component, pr ) |
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| 205 | |
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| 206 | USE arrays_3d |
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| 207 | USE control_parameters |
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| 208 | USE indices |
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| 209 | USE pegrid |
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| 210 | USE statistics |
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| 211 | |
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| 212 | IMPLICIT NONE |
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| 213 | |
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| 214 | INTEGER :: i, j, k, pr, wind_component |
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| 215 | REAL :: var_reference |
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| 216 | #if defined( __nopointer ) |
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| 217 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 218 | #else |
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| 219 | REAL, DIMENSION(:,:,:), POINTER :: var |
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| 220 | #endif |
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| 221 | |
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| 222 | |
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| 223 | IF ( .NOT. sloping_surface ) THEN |
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| 224 | ! |
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| 225 | !-- Normal case: horizontal surface |
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| 226 | IF ( use_reference ) THEN |
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[1128] | 227 | DO i = i_left, i_right |
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| 228 | DO j = j_south, j_north |
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[1015] | 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 | ( & |
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| 232 | ( var(k,j,i) - hom(k,1,pr,0) ) / var_reference + & |
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| 233 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / var_reference & |
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| 234 | ) |
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| 235 | ENDDO |
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| 236 | ENDDO |
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| 237 | ENDDO |
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| 238 | ELSE |
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| 239 | !$acc kernels present( nzb_s_inner, hom, tend, var ) |
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| 240 | !$acc loop |
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[1128] | 241 | DO i = i_left, i_right |
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| 242 | DO j = j_south, j_north |
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[1153] | 243 | !$acc loop independent vector(32) |
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| 244 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 245 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * & |
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| 246 | ( & |
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| 247 | ( var(k,j,i) - hom(k,1,pr,0) ) / hom(k,1,pr,0) + & |
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| 248 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / hom(k+1,1,pr,0) & |
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| 249 | ) |
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[1015] | 250 | ENDDO |
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| 251 | ENDDO |
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| 252 | ENDDO |
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| 253 | !$acc end kernels |
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| 254 | ENDIF |
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| 255 | |
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| 256 | ELSE |
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| 257 | ! |
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| 258 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 259 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 260 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 261 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 262 | !-- of the total domain. |
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| 263 | IF ( wind_component == 1 ) THEN |
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| 264 | |
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| 265 | DO i = nxlu, nxr |
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| 266 | DO j = nys, nyn |
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| 267 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 268 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 269 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 270 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 271 | ) / pt_surface |
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| 272 | ENDDO |
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| 273 | ENDDO |
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| 274 | ENDDO |
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| 275 | |
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| 276 | ELSEIF ( wind_component == 3 ) THEN |
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| 277 | |
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| 278 | DO i = nxl, nxr |
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| 279 | DO j = nys, nyn |
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| 280 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 281 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 282 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 283 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 284 | ) / pt_surface |
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| 285 | ENDDO |
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| 286 | ENDDO |
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| 287 | ENDDO |
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| 288 | |
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| 289 | ELSE |
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| 290 | |
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| 291 | WRITE( message_string, * ) 'no term for component "',& |
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| 292 | wind_component,'"' |
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| 293 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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| 294 | |
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| 295 | ENDIF |
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| 296 | |
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| 297 | ENDIF |
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| 298 | |
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| 299 | END SUBROUTINE buoyancy_acc |
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| 300 | |
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| 301 | |
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| 302 | !------------------------------------------------------------------------------! |
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[1] | 303 | ! Call for grid point i,j |
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[515] | 304 | ! ATTENTION: PGI-compiler creates SIGFPE if opt>1 is used! Therefore, opt=1 is |
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| 305 | ! forced by compiler-directive. |
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[1] | 306 | !------------------------------------------------------------------------------! |
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[515] | 307 | !pgi$r opt=1 |
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[97] | 308 | SUBROUTINE buoyancy_ij( i, j, var, var_reference, wind_component, pr ) |
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[1] | 309 | |
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| 310 | USE arrays_3d |
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| 311 | USE control_parameters |
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| 312 | USE indices |
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| 313 | USE pegrid |
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| 314 | USE statistics |
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| 315 | |
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| 316 | IMPLICIT NONE |
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| 317 | |
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| 318 | INTEGER :: i, j, k, pr, wind_component |
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[97] | 319 | REAL :: var_reference |
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[1010] | 320 | #if defined( __nopointer ) |
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| 321 | REAL, DIMENSION(nzb:nzt+1,nysg:nyng,nxlg:nxrg) :: var |
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| 322 | #else |
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| 323 | REAL, DIMENSION(:,:,:), POINTER :: var |
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| 324 | #endif |
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[1] | 325 | |
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| 326 | |
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| 327 | IF ( .NOT. sloping_surface ) THEN |
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| 328 | ! |
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| 329 | !-- Normal case: horizontal surface |
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[97] | 330 | IF ( use_reference ) THEN |
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[57] | 331 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 332 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 333 | ( var(k,j,i) - hom(k,1,pr,0) ) / var_reference + & |
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| 334 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / var_reference & |
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| 335 | ) |
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[57] | 336 | ENDDO |
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| 337 | ELSE |
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| 338 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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[97] | 339 | tend(k,j,i) = tend(k,j,i) + atmos_ocean_sign * g * 0.5 * ( & |
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| 340 | ( var(k,j,i) - hom(k,1,pr,0) ) / hom(k,1,pr,0) + & |
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| 341 | ( var(k+1,j,i) - hom(k+1,1,pr,0) ) / hom(k+1,1,pr,0) & |
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| 342 | ) |
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[57] | 343 | ENDDO |
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| 344 | ENDIF |
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[1] | 345 | |
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| 346 | ELSE |
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| 347 | ! |
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| 348 | !-- Buoyancy term for a surface with a slope in x-direction. The equations |
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| 349 | !-- for both the u and w velocity-component contain proportionate terms. |
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| 350 | !-- Temperature field at time t=0 serves as environmental temperature. |
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| 351 | !-- Reference temperature (pt_surface) is the one at the lower left corner |
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| 352 | !-- of the total domain. |
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| 353 | IF ( wind_component == 1 ) THEN |
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| 354 | |
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| 355 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 356 | tend(k,j,i) = tend(k,j,i) + g * sin_alpha_surface * & |
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| 357 | 0.5 * ( ( pt(k,j,i-1) + pt(k,j,i) ) & |
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| 358 | - ( pt_slope_ref(k,i-1) + pt_slope_ref(k,i) ) & |
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| 359 | ) / pt_surface |
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| 360 | ENDDO |
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| 361 | |
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| 362 | ELSEIF ( wind_component == 3 ) THEN |
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| 363 | |
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| 364 | DO k = nzb_s_inner(j,i)+1, nzt-1 |
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| 365 | tend(k,j,i) = tend(k,j,i) + g * cos_alpha_surface * & |
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| 366 | 0.5 * ( ( pt(k,j,i) + pt(k+1,j,i) ) & |
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| 367 | - ( pt_slope_ref(k,i) + pt_slope_ref(k+1,i) ) & |
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| 368 | ) / pt_surface |
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| 369 | ENDDO |
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| 370 | |
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| 371 | ELSE |
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| 372 | |
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[247] | 373 | WRITE( message_string, * ) 'no term for component "',& |
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[1] | 374 | wind_component,'"' |
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[247] | 375 | CALL message( 'buoyancy', 'PA0159', 1, 2, 0, 6, 0 ) |
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[1] | 376 | |
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| 377 | ENDIF |
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| 378 | |
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| 379 | ENDIF |
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| 380 | |
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| 381 | END SUBROUTINE buoyancy_ij |
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| 382 | |
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| 383 | |
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[96] | 384 | SUBROUTINE calc_mean_profile( var, pr ) |
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[1] | 385 | |
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| 386 | !------------------------------------------------------------------------------! |
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| 387 | ! Description: |
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| 388 | ! ------------ |
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| 389 | ! Calculate the horizontally averaged vertical temperature profile (pr=4 in case |
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| 390 | ! of potential temperature and 44 in case of virtual potential temperature). |
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| 391 | !------------------------------------------------------------------------------! |
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| 392 | |
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| 393 | USE control_parameters |
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| 394 | USE indices |
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| 395 | USE pegrid |
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| 396 | USE statistics |
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| 397 | |
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| 398 | IMPLICIT NONE |
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| 399 | |
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| 400 | INTEGER :: i, j, k, omp_get_thread_num, pr, tn |
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[1010] | 401 | #if defined( __nopointer ) |
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| 402 | REAL, DIMENSION(:,:,:) :: var |
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| 403 | #else |
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| 404 | REAL, DIMENSION(:,:,:), POINTER :: var |
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| 405 | #endif |
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[1] | 406 | |
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| 407 | ! |
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[96] | 408 | !-- Computation of the horizontally averaged profile of variable var, unless |
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[1] | 409 | !-- already done by the relevant call from flow_statistics. The calculation |
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| 410 | !-- is done only for the first respective intermediate timestep in order to |
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| 411 | !-- spare communication time and to produce identical model results with jobs |
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| 412 | !-- which are calling flow_statistics at different time intervals. |
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| 413 | IF ( .NOT. flow_statistics_called .AND. & |
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| 414 | intermediate_timestep_count == 1 ) THEN |
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| 415 | |
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| 416 | ! |
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[96] | 417 | !-- Horizontal average of variable var |
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[1] | 418 | tn = 0 ! Default thread number in case of one thread |
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| 419 | !$OMP PARALLEL PRIVATE( i, j, k, tn ) |
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| 420 | !$ tn = omp_get_thread_num() |
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| 421 | sums_l(:,pr,tn) = 0.0 |
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| 422 | !$OMP DO |
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| 423 | DO i = nxl, nxr |
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| 424 | DO j = nys, nyn |
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[132] | 425 | DO k = nzb_s_inner(j,i), nzt+1 |
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[96] | 426 | sums_l(k,pr,tn) = sums_l(k,pr,tn) + var(k,j,i) |
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[1] | 427 | ENDDO |
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| 428 | ENDDO |
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| 429 | ENDDO |
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| 430 | !$OMP END PARALLEL |
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| 431 | |
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| 432 | DO i = 1, threads_per_task-1 |
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| 433 | sums_l(:,pr,0) = sums_l(:,pr,0) + sums_l(:,pr,i) |
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| 434 | ENDDO |
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| 435 | |
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| 436 | #if defined( __parallel ) |
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| 437 | |
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[622] | 438 | IF ( collective_wait ) CALL MPI_BARRIER( comm2d, ierr ) |
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[1] | 439 | CALL MPI_ALLREDUCE( sums_l(nzb,pr,0), sums(nzb,pr), nzt+2-nzb, & |
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| 440 | MPI_REAL, MPI_SUM, comm2d, ierr ) |
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| 441 | |
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| 442 | #else |
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| 443 | |
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| 444 | sums(:,pr) = sums_l(:,pr,0) |
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| 445 | |
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| 446 | #endif |
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| 447 | |
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[132] | 448 | hom(:,1,pr,0) = sums(:,pr) / ngp_2dh_s_inner(:,0) |
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[1] | 449 | |
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| 450 | ENDIF |
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| 451 | |
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[96] | 452 | END SUBROUTINE calc_mean_profile |
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[1] | 453 | |
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| 454 | END MODULE buoyancy_mod |
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