[1682] | 1 | !> @file surface_coupler.f90 |
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[1036] | 2 | !--------------------------------------------------------------------------------! |
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| 3 | ! This file is part of PALM. |
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| 4 | ! |
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| 5 | ! PALM is free software: you can redistribute it and/or modify it under the terms |
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| 6 | ! of the GNU General Public License as published by the Free Software Foundation, |
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| 7 | ! either version 3 of the License, or (at your option) any later version. |
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| 8 | ! |
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| 9 | ! PALM is distributed in the hope that it will be useful, but WITHOUT ANY |
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| 10 | ! WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR |
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| 11 | ! A PARTICULAR PURPOSE. See the GNU General Public License for more details. |
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| 12 | ! |
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| 13 | ! You should have received a copy of the GNU General Public License along with |
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| 14 | ! PALM. If not, see <http://www.gnu.org/licenses/>. |
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| 15 | ! |
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[1310] | 16 | ! Copyright 1997-2014 Leibniz Universitaet Hannover |
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[1036] | 17 | !--------------------------------------------------------------------------------! |
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| 18 | ! |
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[258] | 19 | ! Current revisions: |
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[1092] | 20 | ! ------------------ |
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[1682] | 21 | ! Code annotations made doxygen readable |
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[1321] | 22 | ! |
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| 23 | ! Former revisions: |
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| 24 | ! ----------------- |
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| 25 | ! $Id: surface_coupler.f90 1682 2015-10-07 23:56:08Z knoop $ |
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| 26 | ! |
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[1428] | 27 | ! 1427 2014-07-07 14:04:59Z maronga |
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| 28 | ! Bugfix: value of l_v corrected. |
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| 29 | ! |
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[1419] | 30 | ! 1418 2014-06-06 13:05:08Z fricke |
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| 31 | ! Bugfix: For caluclation of the salinity flux at the sea surface, |
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| 32 | ! the given value for salinity must be in percent and not in psu |
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| 33 | ! |
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[1354] | 34 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 35 | ! REAL constants provided with KIND-attribute |
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| 36 | ! |
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[1325] | 37 | ! 1324 2014-03-21 09:13:16Z suehring |
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| 38 | ! Bugfix: ONLY statement for module pegrid removed |
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| 39 | ! |
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[1323] | 40 | ! 1322 2014-03-20 16:38:49Z raasch |
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| 41 | ! REAL constants defined as wp-kind |
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| 42 | ! |
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[1321] | 43 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 44 | ! ONLY-attribute added to USE-statements, |
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| 45 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 46 | ! kinds are defined in new module kinds, |
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| 47 | ! old module precision_kind is removed, |
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| 48 | ! revision history before 2012 removed, |
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| 49 | ! comment fields (!:) to be used for variable explanations added to |
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| 50 | ! all variable declaration statements |
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[102] | 51 | ! |
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[1319] | 52 | ! 1318 2014-03-17 13:35:16Z raasch |
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| 53 | ! module interfaces removed |
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| 54 | ! |
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[1093] | 55 | ! 1092 2013-02-02 11:24:22Z raasch |
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| 56 | ! unused variables removed |
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| 57 | ! |
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[1037] | 58 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 59 | ! code put under GPL (PALM 3.9) |
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| 60 | ! |
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[881] | 61 | ! 880 2012-04-13 06:28:59Z raasch |
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| 62 | ! Bugfix: preprocessor statements for parallel execution added |
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| 63 | ! |
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[110] | 64 | ! 109 2007-08-28 15:26:47Z letzel |
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[102] | 65 | ! Initial revision |
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| 66 | ! |
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| 67 | ! Description: |
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| 68 | ! ------------ |
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[1682] | 69 | !> Data exchange at the interface between coupled models |
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[102] | 70 | !------------------------------------------------------------------------------! |
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[1682] | 71 | SUBROUTINE surface_coupler |
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| 72 | |
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[102] | 73 | |
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[1320] | 74 | USE arrays_3d, & |
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| 75 | ONLY: pt, shf, qsws, qswst_remote, rho, sa, saswst, total_2d_a, & |
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| 76 | total_2d_o, tswst, u, usws, uswst, v, vsws, vswst |
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| 77 | |
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[1427] | 78 | USE cloud_parameters, & |
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| 79 | ONLY: cp, l_v |
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| 80 | |
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[1320] | 81 | USE control_parameters, & |
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| 82 | ONLY: coupling_mode, coupling_mode_remote, coupling_topology, & |
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| 83 | humidity, humidity_remote, message_string, terminate_coupled, & |
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| 84 | terminate_coupled_remote, time_since_reference_point |
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| 85 | |
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| 86 | USE cpulog, & |
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| 87 | ONLY: cpu_log, log_point |
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| 88 | |
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| 89 | USE indices, & |
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| 90 | ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nx_a, nx_o, ny, nyn, nyng, nys, & |
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| 91 | nysg, ny_a, ny_o, nzt |
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| 92 | |
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| 93 | USE kinds |
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| 94 | |
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[102] | 95 | USE pegrid |
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| 96 | |
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| 97 | IMPLICIT NONE |
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| 98 | |
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[1682] | 99 | REAL(wp) :: time_since_reference_point_rem !< |
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| 100 | REAL(wp) :: total_2d(-nbgp:ny+nbgp,-nbgp:nx+nbgp) !< |
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[102] | 101 | |
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[1682] | 102 | REAL(wp) :: cpw = 4218.0_wp !< heat capacity of water at constant pressure |
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[1427] | 103 | |
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[206] | 104 | #if defined( __parallel ) |
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[102] | 105 | |
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[667] | 106 | CALL cpu_log( log_point(39), 'surface_coupler', 'start' ) |
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[102] | 107 | |
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[667] | 108 | |
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| 109 | |
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[102] | 110 | ! |
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[108] | 111 | !-- In case of model termination initiated by the remote model |
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| 112 | !-- (terminate_coupled_remote > 0), initiate termination of the local model. |
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| 113 | !-- The rest of the coupler must then be skipped because it would cause an MPI |
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| 114 | !-- intercomminucation hang. |
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| 115 | !-- If necessary, the coupler will be called at the beginning of the next |
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| 116 | !-- restart run. |
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[667] | 117 | |
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| 118 | IF ( coupling_topology == 0 ) THEN |
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[709] | 119 | CALL MPI_SENDRECV( terminate_coupled, 1, MPI_INTEGER, target_id, & |
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| 120 | 0, & |
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| 121 | terminate_coupled_remote, 1, MPI_INTEGER, target_id, & |
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[667] | 122 | 0, comm_inter, status, ierr ) |
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| 123 | ELSE |
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| 124 | IF ( myid == 0) THEN |
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| 125 | CALL MPI_SENDRECV( terminate_coupled, 1, MPI_INTEGER, & |
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| 126 | target_id, 0, & |
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| 127 | terminate_coupled_remote, 1, MPI_INTEGER, & |
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| 128 | target_id, 0, & |
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| 129 | comm_inter, status, ierr ) |
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| 130 | ENDIF |
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[709] | 131 | CALL MPI_BCAST( terminate_coupled_remote, 1, MPI_INTEGER, 0, comm2d, & |
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| 132 | ierr ) |
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[667] | 133 | |
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| 134 | ALLOCATE( total_2d_a(-nbgp:ny_a+nbgp,-nbgp:nx_a+nbgp), & |
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| 135 | total_2d_o(-nbgp:ny_o+nbgp,-nbgp:nx_o+nbgp) ) |
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| 136 | |
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| 137 | ENDIF |
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| 138 | |
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[108] | 139 | IF ( terminate_coupled_remote > 0 ) THEN |
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[274] | 140 | WRITE( message_string, * ) 'remote model "', & |
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| 141 | TRIM( coupling_mode_remote ), & |
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| 142 | '" terminated', & |
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| 143 | '&with terminate_coupled_remote = ', & |
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| 144 | terminate_coupled_remote, & |
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| 145 | '&local model "', TRIM( coupling_mode ), & |
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| 146 | '" has', & |
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| 147 | '&terminate_coupled = ', & |
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[667] | 148 | terminate_coupled |
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[258] | 149 | CALL message( 'surface_coupler', 'PA0310', 1, 2, 0, 6, 0 ) |
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[108] | 150 | RETURN |
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| 151 | ENDIF |
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[667] | 152 | |
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[291] | 153 | |
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[108] | 154 | ! |
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| 155 | !-- Exchange the current simulated time between the models, |
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[667] | 156 | !-- currently just for total_2ding |
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[709] | 157 | IF ( coupling_topology == 0 ) THEN |
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| 158 | |
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| 159 | CALL MPI_SEND( time_since_reference_point, 1, MPI_REAL, target_id, 11, & |
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| 160 | comm_inter, ierr ) |
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| 161 | CALL MPI_RECV( time_since_reference_point_rem, 1, MPI_REAL, target_id, & |
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| 162 | 11, comm_inter, status, ierr ) |
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[667] | 163 | ELSE |
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[709] | 164 | |
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[667] | 165 | IF ( myid == 0 ) THEN |
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[709] | 166 | |
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| 167 | CALL MPI_SEND( time_since_reference_point, 1, MPI_REAL, target_id, & |
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| 168 | 11, comm_inter, ierr ) |
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| 169 | CALL MPI_RECV( time_since_reference_point_rem, 1, MPI_REAL, & |
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[667] | 170 | target_id, 11, comm_inter, status, ierr ) |
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[709] | 171 | |
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[667] | 172 | ENDIF |
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[709] | 173 | |
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| 174 | CALL MPI_BCAST( time_since_reference_point_rem, 1, MPI_REAL, 0, comm2d, & |
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| 175 | ierr ) |
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| 176 | |
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[667] | 177 | ENDIF |
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[102] | 178 | |
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| 179 | ! |
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| 180 | !-- Exchange the interface data |
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| 181 | IF ( coupling_mode == 'atmosphere_to_ocean' ) THEN |
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[667] | 182 | |
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| 183 | ! |
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[709] | 184 | !-- Horizontal grid size and number of processors is equal in ocean and |
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| 185 | !-- atmosphere |
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| 186 | IF ( coupling_topology == 0 ) THEN |
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[102] | 187 | |
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| 188 | ! |
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[709] | 189 | !-- Send heat flux at bottom surface to the ocean |
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| 190 | CALL MPI_SEND( shf(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 12, & |
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| 191 | comm_inter, ierr ) |
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[102] | 192 | ! |
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[709] | 193 | !-- Send humidity flux at bottom surface to the ocean |
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[667] | 194 | IF ( humidity ) THEN |
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[709] | 195 | CALL MPI_SEND( qsws(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 13, & |
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| 196 | comm_inter, ierr ) |
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[667] | 197 | ENDIF |
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| 198 | ! |
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[709] | 199 | !-- Receive temperature at the bottom surface from the ocean |
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| 200 | CALL MPI_RECV( pt(0,nysg,nxlg), 1, type_xy, target_id, 14, & |
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| 201 | comm_inter, status, ierr ) |
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[108] | 202 | ! |
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[709] | 203 | !-- Send the momentum flux (u) at bottom surface to the ocean |
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| 204 | CALL MPI_SEND( usws(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 15, & |
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| 205 | comm_inter, ierr ) |
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[102] | 206 | ! |
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[709] | 207 | !-- Send the momentum flux (v) at bottom surface to the ocean |
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| 208 | CALL MPI_SEND( vsws(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 16, & |
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| 209 | comm_inter, ierr ) |
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[102] | 210 | ! |
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[709] | 211 | !-- Receive u at the bottom surface from the ocean |
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| 212 | CALL MPI_RECV( u(0,nysg,nxlg), 1, type_xy, target_id, 17, & |
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| 213 | comm_inter, status, ierr ) |
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[667] | 214 | ! |
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[709] | 215 | !-- Receive v at the bottom surface from the ocean |
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| 216 | CALL MPI_RECV( v(0,nysg,nxlg), 1, type_xy, target_id, 18, & |
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| 217 | comm_inter, status, ierr ) |
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[667] | 218 | ! |
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| 219 | !-- Horizontal grid size or number of processors differs between |
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| 220 | !-- ocean and atmosphere |
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| 221 | ELSE |
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| 222 | |
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| 223 | ! |
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[709] | 224 | !-- Send heat flux at bottom surface to the ocean |
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[1353] | 225 | total_2d_a = 0.0_wp |
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| 226 | total_2d = 0.0_wp |
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[667] | 227 | total_2d(nys:nyn,nxl:nxr) = shf(nys:nyn,nxl:nxr) |
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[709] | 228 | |
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| 229 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, 0, & |
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| 230 | comm2d, ierr ) |
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| 231 | CALL interpolate_to_ocean( 12 ) |
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[667] | 232 | ! |
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[709] | 233 | !-- Send humidity flux at bottom surface to the ocean |
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| 234 | IF ( humidity ) THEN |
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[1353] | 235 | total_2d_a = 0.0_wp |
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| 236 | total_2d = 0.0_wp |
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[667] | 237 | total_2d(nys:nyn,nxl:nxr) = qsws(nys:nyn,nxl:nxr) |
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[709] | 238 | |
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| 239 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, & |
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| 240 | 0, comm2d, ierr ) |
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| 241 | CALL interpolate_to_ocean( 13 ) |
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[667] | 242 | ENDIF |
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| 243 | ! |
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[709] | 244 | !-- Receive temperature at the bottom surface from the ocean |
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| 245 | IF ( myid == 0 ) THEN |
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[667] | 246 | CALL MPI_RECV( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, & |
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| 247 | target_id, 14, comm_inter, status, ierr ) |
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| 248 | ENDIF |
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| 249 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 250 | CALL MPI_BCAST( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, 0, comm2d, & |
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| 251 | ierr ) |
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[667] | 252 | pt(0,nysg:nyng,nxlg:nxrg) = total_2d_a(nysg:nyng,nxlg:nxrg) |
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| 253 | ! |
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[709] | 254 | !-- Send momentum flux (u) at bottom surface to the ocean |
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[1353] | 255 | total_2d_a = 0.0_wp |
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| 256 | total_2d = 0.0_wp |
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[667] | 257 | total_2d(nys:nyn,nxl:nxr) = usws(nys:nyn,nxl:nxr) |
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[709] | 258 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, 0, & |
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| 259 | comm2d, ierr ) |
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| 260 | CALL interpolate_to_ocean( 15 ) |
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[667] | 261 | ! |
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[709] | 262 | !-- Send momentum flux (v) at bottom surface to the ocean |
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[1353] | 263 | total_2d_a = 0.0_wp |
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| 264 | total_2d = 0.0_wp |
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[667] | 265 | total_2d(nys:nyn,nxl:nxr) = vsws(nys:nyn,nxl:nxr) |
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[709] | 266 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, 0, & |
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| 267 | comm2d, ierr ) |
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| 268 | CALL interpolate_to_ocean( 16 ) |
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[667] | 269 | ! |
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[709] | 270 | !-- Receive u at the bottom surface from the ocean |
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| 271 | IF ( myid == 0 ) THEN |
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[667] | 272 | CALL MPI_RECV( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, & |
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[709] | 273 | target_id, 17, comm_inter, status, ierr ) |
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[667] | 274 | ENDIF |
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| 275 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 276 | CALL MPI_BCAST( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, 0, comm2d, & |
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| 277 | ierr ) |
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[667] | 278 | u(0,nysg:nyng,nxlg:nxrg) = total_2d_a(nysg:nyng,nxlg:nxrg) |
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| 279 | ! |
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[709] | 280 | !-- Receive v at the bottom surface from the ocean |
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| 281 | IF ( myid == 0 ) THEN |
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[667] | 282 | CALL MPI_RECV( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, & |
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[709] | 283 | target_id, 18, comm_inter, status, ierr ) |
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[667] | 284 | ENDIF |
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| 285 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 286 | CALL MPI_BCAST( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, 0, comm2d, & |
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| 287 | ierr ) |
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[667] | 288 | v(0,nysg:nyng,nxlg:nxrg) = total_2d_a(nysg:nyng,nxlg:nxrg) |
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| 289 | |
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| 290 | ENDIF |
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| 291 | |
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[102] | 292 | ELSEIF ( coupling_mode == 'ocean_to_atmosphere' ) THEN |
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| 293 | |
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| 294 | ! |
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[667] | 295 | !-- Horizontal grid size and number of processors is equal |
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| 296 | !-- in ocean and atmosphere |
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| 297 | IF ( coupling_topology == 0 ) THEN |
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| 298 | ! |
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[709] | 299 | !-- Receive heat flux at the sea surface (top) from the atmosphere |
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| 300 | CALL MPI_RECV( tswst(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 12, & |
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| 301 | comm_inter, status, ierr ) |
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[102] | 302 | ! |
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[709] | 303 | !-- Receive humidity flux from the atmosphere (bottom) |
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[667] | 304 | !-- and add it to the heat flux at the sea surface (top)... |
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| 305 | IF ( humidity_remote ) THEN |
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| 306 | CALL MPI_RECV( qswst_remote(nysg,nxlg), ngp_xy, MPI_REAL, & |
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| 307 | target_id, 13, comm_inter, status, ierr ) |
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| 308 | ENDIF |
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| 309 | ! |
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| 310 | !-- Send sea surface temperature to the atmosphere model |
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[709] | 311 | CALL MPI_SEND( pt(nzt,nysg,nxlg), 1, type_xy, target_id, 14, & |
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| 312 | comm_inter, ierr ) |
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[667] | 313 | ! |
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| 314 | !-- Receive momentum flux (u) at the sea surface (top) from the atmosphere |
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[709] | 315 | CALL MPI_RECV( uswst(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 15, & |
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| 316 | comm_inter, status, ierr ) |
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[667] | 317 | ! |
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| 318 | !-- Receive momentum flux (v) at the sea surface (top) from the atmosphere |
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[709] | 319 | CALL MPI_RECV( vswst(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 16, & |
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| 320 | comm_inter, status, ierr ) |
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[667] | 321 | ! |
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[709] | 322 | !-- Send u to the atmosphere |
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| 323 | CALL MPI_SEND( u(nzt,nysg,nxlg), 1, type_xy, target_id, 17, & |
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| 324 | comm_inter, ierr ) |
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[667] | 325 | ! |
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[709] | 326 | !-- Send v to the atmosphere |
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| 327 | CALL MPI_SEND( v(nzt,nysg,nxlg), 1, type_xy, target_id, 18, & |
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| 328 | comm_inter, ierr ) |
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| 329 | ! |
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[667] | 330 | !-- Horizontal gridsize or number of processors differs between |
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| 331 | !-- ocean and atmosphere |
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| 332 | ELSE |
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| 333 | ! |
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[709] | 334 | !-- Receive heat flux at the sea surface (top) from the atmosphere |
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| 335 | IF ( myid == 0 ) THEN |
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[667] | 336 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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[709] | 337 | target_id, 12, comm_inter, status, ierr ) |
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[667] | 338 | ENDIF |
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| 339 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 340 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, 0, comm2d, & |
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| 341 | ierr ) |
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[667] | 342 | tswst(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
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| 343 | ! |
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[709] | 344 | !-- Receive humidity flux at the sea surface (top) from the atmosphere |
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| 345 | IF ( humidity_remote ) THEN |
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| 346 | IF ( myid == 0 ) THEN |
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[667] | 347 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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[709] | 348 | target_id, 13, comm_inter, status, ierr ) |
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[667] | 349 | ENDIF |
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| 350 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 351 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, 0, & |
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| 352 | comm2d, ierr) |
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[667] | 353 | qswst_remote(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
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| 354 | ENDIF |
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| 355 | ! |
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| 356 | !-- Send surface temperature to atmosphere |
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[1353] | 357 | total_2d_o = 0.0_wp |
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| 358 | total_2d = 0.0_wp |
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[667] | 359 | total_2d(nys:nyn,nxl:nxr) = pt(nzt,nys:nyn,nxl:nxr) |
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| 360 | |
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[709] | 361 | CALL MPI_REDUCE( total_2d, total_2d_o, ngp_o, MPI_REAL, MPI_SUM, 0, & |
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| 362 | comm2d, ierr) |
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| 363 | CALL interpolate_to_atmos( 14 ) |
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[667] | 364 | ! |
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[709] | 365 | !-- Receive momentum flux (u) at the sea surface (top) from the atmosphere |
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| 366 | IF ( myid == 0 ) THEN |
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[667] | 367 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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[709] | 368 | target_id, 15, comm_inter, status, ierr ) |
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[667] | 369 | ENDIF |
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| 370 | CALL MPI_BARRIER( comm2d, ierr ) |
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| 371 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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[709] | 372 | 0, comm2d, ierr ) |
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[667] | 373 | uswst(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
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| 374 | ! |
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[709] | 375 | !-- Receive momentum flux (v) at the sea surface (top) from the atmosphere |
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| 376 | IF ( myid == 0 ) THEN |
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[667] | 377 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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[709] | 378 | target_id, 16, comm_inter, status, ierr ) |
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[667] | 379 | ENDIF |
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| 380 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 381 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, 0, comm2d, & |
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| 382 | ierr ) |
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[667] | 383 | vswst(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
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| 384 | ! |
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| 385 | !-- Send u to atmosphere |
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[1353] | 386 | total_2d_o = 0.0_wp |
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| 387 | total_2d = 0.0_wp |
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[667] | 388 | total_2d(nys:nyn,nxl:nxr) = u(nzt,nys:nyn,nxl:nxr) |
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[709] | 389 | CALL MPI_REDUCE( total_2d, total_2d_o, ngp_o, MPI_REAL, MPI_SUM, 0, & |
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| 390 | comm2d, ierr ) |
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| 391 | CALL interpolate_to_atmos( 17 ) |
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[667] | 392 | ! |
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| 393 | !-- Send v to atmosphere |
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[1353] | 394 | total_2d_o = 0.0_wp |
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| 395 | total_2d = 0.0_wp |
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[667] | 396 | total_2d(nys:nyn,nxl:nxr) = v(nzt,nys:nyn,nxl:nxr) |
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[709] | 397 | CALL MPI_REDUCE( total_2d, total_2d_o, ngp_o, MPI_REAL, MPI_SUM, 0, & |
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| 398 | comm2d, ierr ) |
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| 399 | CALL interpolate_to_atmos( 18 ) |
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[667] | 400 | |
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| 401 | ENDIF |
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| 402 | |
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| 403 | ! |
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| 404 | !-- Conversions of fluxes received from atmosphere |
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| 405 | IF ( humidity_remote ) THEN |
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[108] | 406 | ! |
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[709] | 407 | !-- Here tswst is still the sum of atmospheric bottom heat fluxes, |
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| 408 | !-- * latent heat of vaporization in m2/s2, or 540 cal/g, or 40.65 kJ/mol |
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| 409 | !-- /(rho_atm(=1.0)*c_p) |
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[1427] | 410 | tswst = tswst + qswst_remote * l_v / cp |
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[709] | 411 | ! |
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[667] | 412 | !-- ...and convert it to a salinity flux at the sea surface (top) |
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[108] | 413 | !-- following Steinhorn (1991), JPO 21, pp. 1681-1683: |
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| 414 | !-- S'w' = -S * evaporation / ( rho_water * ( 1 - S ) ) |
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[1427] | 415 | saswst = -1.0_wp * sa(nzt,:,:) * 0.001_wp * qswst_remote / & |
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| 416 | ( rho(nzt,:,:) * ( 1.0_wp - sa(nzt,:,:) * 0.001_wp ) ) |
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[108] | 417 | ENDIF |
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| 418 | |
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| 419 | ! |
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[102] | 420 | !-- Adjust the kinematic heat flux with respect to ocean density |
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| 421 | !-- (constants are the specific heat capacities for air and water) |
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[667] | 422 | !-- now tswst is the ocean top heat flux |
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[1427] | 423 | tswst = tswst / rho(nzt,:,:) * cp / cpw |
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[102] | 424 | |
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| 425 | ! |
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[667] | 426 | !-- Adjust the momentum fluxes with respect to ocean density |
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| 427 | uswst = uswst / rho(nzt,:,:) |
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| 428 | vswst = vswst / rho(nzt,:,:) |
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[102] | 429 | |
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[667] | 430 | ENDIF |
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| 431 | |
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[709] | 432 | IF ( coupling_topology == 1 ) THEN |
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[667] | 433 | DEALLOCATE( total_2d_o, total_2d_a ) |
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| 434 | ENDIF |
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| 435 | |
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| 436 | CALL cpu_log( log_point(39), 'surface_coupler', 'stop' ) |
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| 437 | |
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| 438 | #endif |
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| 439 | |
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| 440 | END SUBROUTINE surface_coupler |
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| 441 | |
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| 442 | |
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| 443 | |
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[1682] | 444 | !------------------------------------------------------------------------------! |
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| 445 | ! Description: |
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| 446 | ! ------------ |
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| 447 | !> @todo Missing subroutine description. |
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| 448 | !------------------------------------------------------------------------------! |
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[709] | 449 | SUBROUTINE interpolate_to_atmos( tag ) |
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[667] | 450 | |
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[880] | 451 | #if defined( __parallel ) |
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| 452 | |
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[1320] | 453 | USE arrays_3d, & |
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| 454 | ONLY: total_2d_a, total_2d_o |
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[667] | 455 | |
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[1320] | 456 | USE indices, & |
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| 457 | ONLY: nbgp, nx, nx_a, nx_o, ny, ny_a, ny_o |
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| 458 | |
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| 459 | USE kinds |
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| 460 | |
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[1324] | 461 | USE pegrid |
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[1320] | 462 | |
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[667] | 463 | IMPLICIT NONE |
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| 464 | |
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[1682] | 465 | INTEGER(iwp) :: dnx !< |
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| 466 | INTEGER(iwp) :: dnx2 !< |
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| 467 | INTEGER(iwp) :: dny !< |
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| 468 | INTEGER(iwp) :: dny2 !< |
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| 469 | INTEGER(iwp) :: i !< |
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| 470 | INTEGER(iwp) :: ii !< |
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| 471 | INTEGER(iwp) :: j !< |
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| 472 | INTEGER(iwp) :: jj !< |
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[667] | 473 | |
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[1682] | 474 | INTEGER(iwp), intent(in) :: tag !< |
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[1320] | 475 | |
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[667] | 476 | CALL MPI_BARRIER( comm2d, ierr ) |
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| 477 | |
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[709] | 478 | IF ( myid == 0 ) THEN |
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| 479 | ! |
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| 480 | !-- Cyclic boundary conditions for the total 2D-grid |
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[667] | 481 | total_2d_o(-nbgp:-1,:) = total_2d_o(ny+1-nbgp:ny,:) |
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| 482 | total_2d_o(:,-nbgp:-1) = total_2d_o(:,nx+1-nbgp:nx) |
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| 483 | |
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| 484 | total_2d_o(ny+1:ny+nbgp,:) = total_2d_o(0:nbgp-1,:) |
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| 485 | total_2d_o(:,nx+1:nx+nbgp) = total_2d_o(:,0:nbgp-1) |
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| 486 | |
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[102] | 487 | ! |
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[667] | 488 | !-- Number of gridpoints of the fine grid within one mesh of the coarse grid |
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| 489 | dnx = (nx_o+1) / (nx_a+1) |
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| 490 | dny = (ny_o+1) / (ny_a+1) |
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[102] | 491 | |
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| 492 | ! |
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[709] | 493 | !-- Distance for interpolation around coarse grid points within the fine |
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| 494 | !-- grid (note: 2*dnx2 must not be equal with dnx) |
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[667] | 495 | dnx2 = 2 * ( dnx / 2 ) |
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| 496 | dny2 = 2 * ( dny / 2 ) |
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[102] | 497 | |
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[1353] | 498 | total_2d_a = 0.0_wp |
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[102] | 499 | ! |
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[667] | 500 | !-- Interpolation from ocean-grid-layer to atmosphere-grid-layer |
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| 501 | DO j = 0, ny_a |
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| 502 | DO i = 0, nx_a |
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| 503 | DO jj = 0, dny2 |
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| 504 | DO ii = 0, dnx2 |
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| 505 | total_2d_a(j,i) = total_2d_a(j,i) & |
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| 506 | + total_2d_o(j*dny+jj,i*dnx+ii) |
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| 507 | ENDDO |
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| 508 | ENDDO |
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| 509 | total_2d_a(j,i) = total_2d_a(j,i) / ( ( dnx2 + 1 ) * ( dny2 + 1 ) ) |
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| 510 | ENDDO |
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| 511 | ENDDO |
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| 512 | ! |
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[709] | 513 | !-- Cyclic boundary conditions for atmosphere grid |
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[667] | 514 | total_2d_a(-nbgp:-1,:) = total_2d_a(ny_a+1-nbgp:ny_a,:) |
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| 515 | total_2d_a(:,-nbgp:-1) = total_2d_a(:,nx_a+1-nbgp:nx_a) |
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| 516 | |
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| 517 | total_2d_a(ny_a+1:ny_a+nbgp,:) = total_2d_a(0:nbgp-1,:) |
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| 518 | total_2d_a(:,nx_a+1:nx_a+nbgp) = total_2d_a(:,0:nbgp-1) |
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| 519 | ! |
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| 520 | !-- Transfer of the atmosphere-grid-layer to the atmosphere |
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[709] | 521 | CALL MPI_SEND( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, target_id, & |
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| 522 | tag, comm_inter, ierr ) |
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[102] | 523 | |
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| 524 | ENDIF |
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| 525 | |
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[667] | 526 | CALL MPI_BARRIER( comm2d, ierr ) |
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[102] | 527 | |
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[880] | 528 | #endif |
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| 529 | |
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[667] | 530 | END SUBROUTINE interpolate_to_atmos |
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[102] | 531 | |
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[667] | 532 | |
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[1682] | 533 | !------------------------------------------------------------------------------! |
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| 534 | ! Description: |
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| 535 | ! ------------ |
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| 536 | !> @todo Missing subroutine description. |
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| 537 | !------------------------------------------------------------------------------! |
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[709] | 538 | SUBROUTINE interpolate_to_ocean( tag ) |
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[667] | 539 | |
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[880] | 540 | #if defined( __parallel ) |
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| 541 | |
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[1320] | 542 | USE arrays_3d, & |
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| 543 | ONLY: total_2d_a, total_2d_o |
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[667] | 544 | |
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[1320] | 545 | USE indices, & |
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| 546 | ONLY: nbgp, nx, nx_a, nx_o, ny, ny_a, ny_o |
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| 547 | |
---|
| 548 | USE kinds |
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| 549 | |
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[1324] | 550 | USE pegrid |
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[1320] | 551 | |
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[667] | 552 | IMPLICIT NONE |
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| 553 | |
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[1682] | 554 | INTEGER(iwp) :: dnx !< |
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| 555 | INTEGER(iwp) :: dny !< |
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| 556 | INTEGER(iwp) :: i !< |
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| 557 | INTEGER(iwp) :: ii !< |
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| 558 | INTEGER(iwp) :: j !< |
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| 559 | INTEGER(iwp) :: jj !< |
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| 560 | INTEGER(iwp), intent(in) :: tag !< |
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[667] | 561 | |
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[1682] | 562 | REAL(wp) :: fl !< |
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| 563 | REAL(wp) :: fr !< |
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| 564 | REAL(wp) :: myl !< |
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| 565 | REAL(wp) :: myr !< |
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[709] | 566 | |
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[667] | 567 | CALL MPI_BARRIER( comm2d, ierr ) |
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| 568 | |
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[709] | 569 | IF ( myid == 0 ) THEN |
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[667] | 570 | |
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| 571 | ! |
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[709] | 572 | !-- Number of gridpoints of the fine grid within one mesh of the coarse grid |
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[667] | 573 | dnx = ( nx_o + 1 ) / ( nx_a + 1 ) |
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| 574 | dny = ( ny_o + 1 ) / ( ny_a + 1 ) |
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| 575 | |
---|
| 576 | ! |
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[709] | 577 | !-- Cyclic boundary conditions for atmosphere grid |
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[667] | 578 | total_2d_a(-nbgp:-1,:) = total_2d_a(ny+1-nbgp:ny,:) |
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| 579 | total_2d_a(:,-nbgp:-1) = total_2d_a(:,nx+1-nbgp:nx) |
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| 580 | |
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| 581 | total_2d_a(ny+1:ny+nbgp,:) = total_2d_a(0:nbgp-1,:) |
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| 582 | total_2d_a(:,nx+1:nx+nbgp) = total_2d_a(:,0:nbgp-1) |
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| 583 | ! |
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[709] | 584 | !-- Bilinear Interpolation from atmosphere grid-layer to ocean grid-layer |
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[667] | 585 | DO j = 0, ny |
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| 586 | DO i = 0, nx |
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| 587 | myl = ( total_2d_a(j+1,i) - total_2d_a(j,i) ) / dny |
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| 588 | myr = ( total_2d_a(j+1,i+1) - total_2d_a(j,i+1) ) / dny |
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| 589 | DO jj = 0, dny-1 |
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[709] | 590 | fl = myl*jj + total_2d_a(j,i) |
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| 591 | fr = myr*jj + total_2d_a(j,i+1) |
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[667] | 592 | DO ii = 0, dnx-1 |
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| 593 | total_2d_o(j*dny+jj,i*dnx+ii) = ( fr - fl ) / dnx * ii + fl |
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| 594 | ENDDO |
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| 595 | ENDDO |
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| 596 | ENDDO |
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| 597 | ENDDO |
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| 598 | ! |
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[709] | 599 | !-- Cyclic boundary conditions for ocean grid |
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[667] | 600 | total_2d_o(-nbgp:-1,:) = total_2d_o(ny_o+1-nbgp:ny_o,:) |
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| 601 | total_2d_o(:,-nbgp:-1) = total_2d_o(:,nx_o+1-nbgp:nx_o) |
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| 602 | |
---|
| 603 | total_2d_o(ny_o+1:ny_o+nbgp,:) = total_2d_o(0:nbgp-1,:) |
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| 604 | total_2d_o(:,nx_o+1:nx_o+nbgp) = total_2d_o(:,0:nbgp-1) |
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| 605 | |
---|
| 606 | CALL MPI_SEND( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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| 607 | target_id, tag, comm_inter, ierr ) |
---|
| 608 | |
---|
| 609 | ENDIF |
---|
| 610 | |
---|
| 611 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 612 | |
---|
[880] | 613 | #endif |
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| 614 | |
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[667] | 615 | END SUBROUTINE interpolate_to_ocean |
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