[1682] | 1 | !> @file surface_coupler.f90 |
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[2000] | 2 | !------------------------------------------------------------------------------! |
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[1036] | 3 | ! This file is part of PALM. |
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| 4 | ! |
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[2000] | 5 | ! PALM is free software: you can redistribute it and/or modify it under the |
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| 6 | ! terms of the GNU General Public License as published by the Free Software |
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| 7 | ! Foundation, either version 3 of the License, or (at your option) any later |
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| 8 | ! version. |
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[1036] | 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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[1818] | 17 | ! Copyright 1997-2016 Leibniz Universitaet Hannover |
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[2000] | 18 | !------------------------------------------------------------------------------! |
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[1036] | 19 | ! |
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[258] | 20 | ! Current revisions: |
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[1092] | 21 | ! ------------------ |
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[2000] | 22 | ! Forced header and separation lines into 80 columns |
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[1321] | 23 | ! |
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| 24 | ! Former revisions: |
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| 25 | ! ----------------- |
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| 26 | ! $Id: surface_coupler.f90 2000 2016-08-20 18:09:15Z knoop $ |
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| 27 | ! |
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[1683] | 28 | ! 1682 2015-10-07 23:56:08Z knoop |
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| 29 | ! Code annotations made doxygen readable |
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| 30 | ! |
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[1428] | 31 | ! 1427 2014-07-07 14:04:59Z maronga |
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| 32 | ! Bugfix: value of l_v corrected. |
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| 33 | ! |
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[1419] | 34 | ! 1418 2014-06-06 13:05:08Z fricke |
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| 35 | ! Bugfix: For caluclation of the salinity flux at the sea surface, |
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| 36 | ! the given value for salinity must be in percent and not in psu |
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| 37 | ! |
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[1354] | 38 | ! 1353 2014-04-08 15:21:23Z heinze |
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| 39 | ! REAL constants provided with KIND-attribute |
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| 40 | ! |
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[1325] | 41 | ! 1324 2014-03-21 09:13:16Z suehring |
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| 42 | ! Bugfix: ONLY statement for module pegrid removed |
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| 43 | ! |
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[1323] | 44 | ! 1322 2014-03-20 16:38:49Z raasch |
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| 45 | ! REAL constants defined as wp-kind |
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| 46 | ! |
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[1321] | 47 | ! 1320 2014-03-20 08:40:49Z raasch |
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[1320] | 48 | ! ONLY-attribute added to USE-statements, |
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| 49 | ! kind-parameters added to all INTEGER and REAL declaration statements, |
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| 50 | ! kinds are defined in new module kinds, |
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| 51 | ! old module precision_kind is removed, |
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| 52 | ! revision history before 2012 removed, |
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| 53 | ! comment fields (!:) to be used for variable explanations added to |
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| 54 | ! all variable declaration statements |
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[102] | 55 | ! |
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[1319] | 56 | ! 1318 2014-03-17 13:35:16Z raasch |
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| 57 | ! module interfaces removed |
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| 58 | ! |
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[1093] | 59 | ! 1092 2013-02-02 11:24:22Z raasch |
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| 60 | ! unused variables removed |
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| 61 | ! |
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[1037] | 62 | ! 1036 2012-10-22 13:43:42Z raasch |
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| 63 | ! code put under GPL (PALM 3.9) |
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| 64 | ! |
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[881] | 65 | ! 880 2012-04-13 06:28:59Z raasch |
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| 66 | ! Bugfix: preprocessor statements for parallel execution added |
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| 67 | ! |
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[110] | 68 | ! 109 2007-08-28 15:26:47Z letzel |
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[102] | 69 | ! Initial revision |
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| 70 | ! |
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| 71 | ! Description: |
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| 72 | ! ------------ |
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[1682] | 73 | !> Data exchange at the interface between coupled models |
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[102] | 74 | !------------------------------------------------------------------------------! |
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[1682] | 75 | SUBROUTINE surface_coupler |
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| 76 | |
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[102] | 77 | |
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[1320] | 78 | USE arrays_3d, & |
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| 79 | ONLY: pt, shf, qsws, qswst_remote, rho, sa, saswst, total_2d_a, & |
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| 80 | total_2d_o, tswst, u, usws, uswst, v, vsws, vswst |
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| 81 | |
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[1427] | 82 | USE cloud_parameters, & |
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| 83 | ONLY: cp, l_v |
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| 84 | |
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[1320] | 85 | USE control_parameters, & |
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| 86 | ONLY: coupling_mode, coupling_mode_remote, coupling_topology, & |
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| 87 | humidity, humidity_remote, message_string, terminate_coupled, & |
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| 88 | terminate_coupled_remote, time_since_reference_point |
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| 89 | |
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| 90 | USE cpulog, & |
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| 91 | ONLY: cpu_log, log_point |
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| 92 | |
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| 93 | USE indices, & |
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| 94 | ONLY: nbgp, nx, nxl, nxlg, nxr, nxrg, nx_a, nx_o, ny, nyn, nyng, nys, & |
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| 95 | nysg, ny_a, ny_o, nzt |
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| 96 | |
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| 97 | USE kinds |
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| 98 | |
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[102] | 99 | USE pegrid |
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| 100 | |
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| 101 | IMPLICIT NONE |
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| 102 | |
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[1682] | 103 | REAL(wp) :: time_since_reference_point_rem !< |
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| 104 | REAL(wp) :: total_2d(-nbgp:ny+nbgp,-nbgp:nx+nbgp) !< |
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[102] | 105 | |
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[1682] | 106 | REAL(wp) :: cpw = 4218.0_wp !< heat capacity of water at constant pressure |
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[1427] | 107 | |
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[206] | 108 | #if defined( __parallel ) |
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[102] | 109 | |
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[667] | 110 | CALL cpu_log( log_point(39), 'surface_coupler', 'start' ) |
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[102] | 111 | |
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[667] | 112 | |
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| 113 | |
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[102] | 114 | ! |
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[108] | 115 | !-- In case of model termination initiated by the remote model |
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| 116 | !-- (terminate_coupled_remote > 0), initiate termination of the local model. |
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| 117 | !-- The rest of the coupler must then be skipped because it would cause an MPI |
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| 118 | !-- intercomminucation hang. |
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| 119 | !-- If necessary, the coupler will be called at the beginning of the next |
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| 120 | !-- restart run. |
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[667] | 121 | |
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| 122 | IF ( coupling_topology == 0 ) THEN |
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[709] | 123 | CALL MPI_SENDRECV( terminate_coupled, 1, MPI_INTEGER, target_id, & |
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| 124 | 0, & |
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| 125 | terminate_coupled_remote, 1, MPI_INTEGER, target_id, & |
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[667] | 126 | 0, comm_inter, status, ierr ) |
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| 127 | ELSE |
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| 128 | IF ( myid == 0) THEN |
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| 129 | CALL MPI_SENDRECV( terminate_coupled, 1, MPI_INTEGER, & |
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| 130 | target_id, 0, & |
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| 131 | terminate_coupled_remote, 1, MPI_INTEGER, & |
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| 132 | target_id, 0, & |
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| 133 | comm_inter, status, ierr ) |
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| 134 | ENDIF |
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[709] | 135 | CALL MPI_BCAST( terminate_coupled_remote, 1, MPI_INTEGER, 0, comm2d, & |
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| 136 | ierr ) |
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[667] | 137 | |
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| 138 | ALLOCATE( total_2d_a(-nbgp:ny_a+nbgp,-nbgp:nx_a+nbgp), & |
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| 139 | total_2d_o(-nbgp:ny_o+nbgp,-nbgp:nx_o+nbgp) ) |
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| 140 | |
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| 141 | ENDIF |
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| 142 | |
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[108] | 143 | IF ( terminate_coupled_remote > 0 ) THEN |
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[274] | 144 | WRITE( message_string, * ) 'remote model "', & |
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| 145 | TRIM( coupling_mode_remote ), & |
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| 146 | '" terminated', & |
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| 147 | '&with terminate_coupled_remote = ', & |
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| 148 | terminate_coupled_remote, & |
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| 149 | '&local model "', TRIM( coupling_mode ), & |
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| 150 | '" has', & |
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| 151 | '&terminate_coupled = ', & |
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[667] | 152 | terminate_coupled |
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[258] | 153 | CALL message( 'surface_coupler', 'PA0310', 1, 2, 0, 6, 0 ) |
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[108] | 154 | RETURN |
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| 155 | ENDIF |
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[667] | 156 | |
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[291] | 157 | |
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[108] | 158 | ! |
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| 159 | !-- Exchange the current simulated time between the models, |
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[667] | 160 | !-- currently just for total_2ding |
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[709] | 161 | IF ( coupling_topology == 0 ) THEN |
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| 162 | |
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| 163 | CALL MPI_SEND( time_since_reference_point, 1, MPI_REAL, target_id, 11, & |
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| 164 | comm_inter, ierr ) |
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| 165 | CALL MPI_RECV( time_since_reference_point_rem, 1, MPI_REAL, target_id, & |
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| 166 | 11, comm_inter, status, ierr ) |
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[667] | 167 | ELSE |
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[709] | 168 | |
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[667] | 169 | IF ( myid == 0 ) THEN |
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[709] | 170 | |
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| 171 | CALL MPI_SEND( time_since_reference_point, 1, MPI_REAL, target_id, & |
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| 172 | 11, comm_inter, ierr ) |
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| 173 | CALL MPI_RECV( time_since_reference_point_rem, 1, MPI_REAL, & |
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[667] | 174 | target_id, 11, comm_inter, status, ierr ) |
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[709] | 175 | |
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[667] | 176 | ENDIF |
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[709] | 177 | |
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| 178 | CALL MPI_BCAST( time_since_reference_point_rem, 1, MPI_REAL, 0, comm2d, & |
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| 179 | ierr ) |
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| 180 | |
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[667] | 181 | ENDIF |
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[102] | 182 | |
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| 183 | ! |
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| 184 | !-- Exchange the interface data |
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| 185 | IF ( coupling_mode == 'atmosphere_to_ocean' ) THEN |
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[667] | 186 | |
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| 187 | ! |
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[709] | 188 | !-- Horizontal grid size and number of processors is equal in ocean and |
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| 189 | !-- atmosphere |
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| 190 | IF ( coupling_topology == 0 ) THEN |
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[102] | 191 | |
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| 192 | ! |
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[709] | 193 | !-- Send heat flux at bottom surface to the ocean |
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| 194 | CALL MPI_SEND( shf(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 12, & |
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| 195 | comm_inter, ierr ) |
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[102] | 196 | ! |
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[709] | 197 | !-- Send humidity flux at bottom surface to the ocean |
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[667] | 198 | IF ( humidity ) THEN |
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[709] | 199 | CALL MPI_SEND( qsws(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 13, & |
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| 200 | comm_inter, ierr ) |
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[667] | 201 | ENDIF |
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| 202 | ! |
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[709] | 203 | !-- Receive temperature at the bottom surface from the ocean |
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| 204 | CALL MPI_RECV( pt(0,nysg,nxlg), 1, type_xy, target_id, 14, & |
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| 205 | comm_inter, status, ierr ) |
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[108] | 206 | ! |
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[709] | 207 | !-- Send the momentum flux (u) at bottom surface to the ocean |
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| 208 | CALL MPI_SEND( usws(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 15, & |
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| 209 | comm_inter, ierr ) |
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[102] | 210 | ! |
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[709] | 211 | !-- Send the momentum flux (v) at bottom surface to the ocean |
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| 212 | CALL MPI_SEND( vsws(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 16, & |
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| 213 | comm_inter, ierr ) |
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[102] | 214 | ! |
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[709] | 215 | !-- Receive u at the bottom surface from the ocean |
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| 216 | CALL MPI_RECV( u(0,nysg,nxlg), 1, type_xy, target_id, 17, & |
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| 217 | comm_inter, status, ierr ) |
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[667] | 218 | ! |
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[709] | 219 | !-- Receive v at the bottom surface from the ocean |
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| 220 | CALL MPI_RECV( v(0,nysg,nxlg), 1, type_xy, target_id, 18, & |
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| 221 | comm_inter, status, ierr ) |
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[667] | 222 | ! |
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| 223 | !-- Horizontal grid size or number of processors differs between |
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| 224 | !-- ocean and atmosphere |
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| 225 | ELSE |
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| 226 | |
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| 227 | ! |
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[709] | 228 | !-- Send heat flux at bottom surface to the ocean |
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[1353] | 229 | total_2d_a = 0.0_wp |
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| 230 | total_2d = 0.0_wp |
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[667] | 231 | total_2d(nys:nyn,nxl:nxr) = shf(nys:nyn,nxl:nxr) |
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[709] | 232 | |
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| 233 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, 0, & |
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| 234 | comm2d, ierr ) |
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| 235 | CALL interpolate_to_ocean( 12 ) |
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[667] | 236 | ! |
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[709] | 237 | !-- Send humidity flux at bottom surface to the ocean |
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| 238 | IF ( humidity ) THEN |
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[1353] | 239 | total_2d_a = 0.0_wp |
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| 240 | total_2d = 0.0_wp |
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[667] | 241 | total_2d(nys:nyn,nxl:nxr) = qsws(nys:nyn,nxl:nxr) |
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[709] | 242 | |
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| 243 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, & |
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| 244 | 0, comm2d, ierr ) |
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| 245 | CALL interpolate_to_ocean( 13 ) |
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[667] | 246 | ENDIF |
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| 247 | ! |
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[709] | 248 | !-- Receive temperature at the bottom surface from the ocean |
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| 249 | IF ( myid == 0 ) THEN |
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[667] | 250 | CALL MPI_RECV( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, & |
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| 251 | target_id, 14, comm_inter, status, ierr ) |
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| 252 | ENDIF |
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| 253 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 254 | CALL MPI_BCAST( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, 0, comm2d, & |
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| 255 | ierr ) |
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[667] | 256 | pt(0,nysg:nyng,nxlg:nxrg) = total_2d_a(nysg:nyng,nxlg:nxrg) |
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| 257 | ! |
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[709] | 258 | !-- Send momentum flux (u) at bottom surface to the ocean |
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[1353] | 259 | total_2d_a = 0.0_wp |
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| 260 | total_2d = 0.0_wp |
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[667] | 261 | total_2d(nys:nyn,nxl:nxr) = usws(nys:nyn,nxl:nxr) |
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[709] | 262 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, 0, & |
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| 263 | comm2d, ierr ) |
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| 264 | CALL interpolate_to_ocean( 15 ) |
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[667] | 265 | ! |
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[709] | 266 | !-- Send momentum flux (v) at bottom surface to the ocean |
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[1353] | 267 | total_2d_a = 0.0_wp |
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| 268 | total_2d = 0.0_wp |
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[667] | 269 | total_2d(nys:nyn,nxl:nxr) = vsws(nys:nyn,nxl:nxr) |
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[709] | 270 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, 0, & |
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| 271 | comm2d, ierr ) |
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| 272 | CALL interpolate_to_ocean( 16 ) |
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[667] | 273 | ! |
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[709] | 274 | !-- Receive u at the bottom surface from the ocean |
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| 275 | IF ( myid == 0 ) THEN |
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[667] | 276 | CALL MPI_RECV( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, & |
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[709] | 277 | target_id, 17, comm_inter, status, ierr ) |
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[667] | 278 | ENDIF |
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| 279 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 280 | CALL MPI_BCAST( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, 0, comm2d, & |
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| 281 | ierr ) |
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[667] | 282 | u(0,nysg:nyng,nxlg:nxrg) = total_2d_a(nysg:nyng,nxlg:nxrg) |
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| 283 | ! |
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[709] | 284 | !-- Receive v at the bottom surface from the ocean |
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| 285 | IF ( myid == 0 ) THEN |
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[667] | 286 | CALL MPI_RECV( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, & |
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[709] | 287 | target_id, 18, comm_inter, status, ierr ) |
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[667] | 288 | ENDIF |
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| 289 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 290 | CALL MPI_BCAST( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, 0, comm2d, & |
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| 291 | ierr ) |
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[667] | 292 | v(0,nysg:nyng,nxlg:nxrg) = total_2d_a(nysg:nyng,nxlg:nxrg) |
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| 293 | |
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| 294 | ENDIF |
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| 295 | |
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[102] | 296 | ELSEIF ( coupling_mode == 'ocean_to_atmosphere' ) THEN |
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| 297 | |
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| 298 | ! |
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[667] | 299 | !-- Horizontal grid size and number of processors is equal |
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| 300 | !-- in ocean and atmosphere |
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| 301 | IF ( coupling_topology == 0 ) THEN |
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| 302 | ! |
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[709] | 303 | !-- Receive heat flux at the sea surface (top) from the atmosphere |
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| 304 | CALL MPI_RECV( tswst(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 12, & |
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| 305 | comm_inter, status, ierr ) |
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[102] | 306 | ! |
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[709] | 307 | !-- Receive humidity flux from the atmosphere (bottom) |
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[667] | 308 | !-- and add it to the heat flux at the sea surface (top)... |
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| 309 | IF ( humidity_remote ) THEN |
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| 310 | CALL MPI_RECV( qswst_remote(nysg,nxlg), ngp_xy, MPI_REAL, & |
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| 311 | target_id, 13, comm_inter, status, ierr ) |
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| 312 | ENDIF |
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| 313 | ! |
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| 314 | !-- Send sea surface temperature to the atmosphere model |
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[709] | 315 | CALL MPI_SEND( pt(nzt,nysg,nxlg), 1, type_xy, target_id, 14, & |
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| 316 | comm_inter, ierr ) |
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[667] | 317 | ! |
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| 318 | !-- Receive momentum flux (u) at the sea surface (top) from the atmosphere |
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[709] | 319 | CALL MPI_RECV( uswst(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 15, & |
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| 320 | comm_inter, status, ierr ) |
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[667] | 321 | ! |
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| 322 | !-- Receive momentum flux (v) at the sea surface (top) from the atmosphere |
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[709] | 323 | CALL MPI_RECV( vswst(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 16, & |
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| 324 | comm_inter, status, ierr ) |
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[667] | 325 | ! |
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[709] | 326 | !-- Send u to the atmosphere |
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| 327 | CALL MPI_SEND( u(nzt,nysg,nxlg), 1, type_xy, target_id, 17, & |
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| 328 | comm_inter, ierr ) |
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[667] | 329 | ! |
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[709] | 330 | !-- Send v to the atmosphere |
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| 331 | CALL MPI_SEND( v(nzt,nysg,nxlg), 1, type_xy, target_id, 18, & |
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| 332 | comm_inter, ierr ) |
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| 333 | ! |
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[667] | 334 | !-- Horizontal gridsize or number of processors differs between |
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| 335 | !-- ocean and atmosphere |
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| 336 | ELSE |
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| 337 | ! |
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[709] | 338 | !-- Receive heat flux at the sea surface (top) from the atmosphere |
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| 339 | IF ( myid == 0 ) THEN |
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[667] | 340 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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[709] | 341 | target_id, 12, comm_inter, status, ierr ) |
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[667] | 342 | ENDIF |
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| 343 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 344 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, 0, comm2d, & |
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| 345 | ierr ) |
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[667] | 346 | tswst(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
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| 347 | ! |
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[709] | 348 | !-- Receive humidity flux at the sea surface (top) from the atmosphere |
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| 349 | IF ( humidity_remote ) THEN |
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| 350 | IF ( myid == 0 ) THEN |
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[667] | 351 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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[709] | 352 | target_id, 13, comm_inter, status, ierr ) |
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[667] | 353 | ENDIF |
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| 354 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 355 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, 0, & |
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| 356 | comm2d, ierr) |
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[667] | 357 | qswst_remote(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
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| 358 | ENDIF |
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| 359 | ! |
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| 360 | !-- Send surface temperature to atmosphere |
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[1353] | 361 | total_2d_o = 0.0_wp |
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| 362 | total_2d = 0.0_wp |
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[667] | 363 | total_2d(nys:nyn,nxl:nxr) = pt(nzt,nys:nyn,nxl:nxr) |
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| 364 | |
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[709] | 365 | CALL MPI_REDUCE( total_2d, total_2d_o, ngp_o, MPI_REAL, MPI_SUM, 0, & |
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| 366 | comm2d, ierr) |
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| 367 | CALL interpolate_to_atmos( 14 ) |
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[667] | 368 | ! |
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[709] | 369 | !-- Receive momentum flux (u) at the sea surface (top) from the atmosphere |
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| 370 | IF ( myid == 0 ) THEN |
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[667] | 371 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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[709] | 372 | target_id, 15, comm_inter, status, ierr ) |
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[667] | 373 | ENDIF |
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| 374 | CALL MPI_BARRIER( comm2d, ierr ) |
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| 375 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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[709] | 376 | 0, comm2d, ierr ) |
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[667] | 377 | uswst(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
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| 378 | ! |
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[709] | 379 | !-- Receive momentum flux (v) at the sea surface (top) from the atmosphere |
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| 380 | IF ( myid == 0 ) THEN |
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[667] | 381 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
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[709] | 382 | target_id, 16, comm_inter, status, ierr ) |
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[667] | 383 | ENDIF |
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| 384 | CALL MPI_BARRIER( comm2d, ierr ) |
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[709] | 385 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, 0, comm2d, & |
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| 386 | ierr ) |
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[667] | 387 | vswst(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
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| 388 | ! |
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| 389 | !-- Send u to atmosphere |
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[1353] | 390 | total_2d_o = 0.0_wp |
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| 391 | total_2d = 0.0_wp |
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[667] | 392 | total_2d(nys:nyn,nxl:nxr) = u(nzt,nys:nyn,nxl:nxr) |
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[709] | 393 | CALL MPI_REDUCE( total_2d, total_2d_o, ngp_o, MPI_REAL, MPI_SUM, 0, & |
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| 394 | comm2d, ierr ) |
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| 395 | CALL interpolate_to_atmos( 17 ) |
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[667] | 396 | ! |
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| 397 | !-- Send v to atmosphere |
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[1353] | 398 | total_2d_o = 0.0_wp |
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| 399 | total_2d = 0.0_wp |
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[667] | 400 | total_2d(nys:nyn,nxl:nxr) = v(nzt,nys:nyn,nxl:nxr) |
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[709] | 401 | CALL MPI_REDUCE( total_2d, total_2d_o, ngp_o, MPI_REAL, MPI_SUM, 0, & |
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| 402 | comm2d, ierr ) |
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| 403 | CALL interpolate_to_atmos( 18 ) |
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[667] | 404 | |
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| 405 | ENDIF |
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| 406 | |
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| 407 | ! |
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| 408 | !-- Conversions of fluxes received from atmosphere |
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| 409 | IF ( humidity_remote ) THEN |
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[108] | 410 | ! |
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[709] | 411 | !-- Here tswst is still the sum of atmospheric bottom heat fluxes, |
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| 412 | !-- * latent heat of vaporization in m2/s2, or 540 cal/g, or 40.65 kJ/mol |
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| 413 | !-- /(rho_atm(=1.0)*c_p) |
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[1427] | 414 | tswst = tswst + qswst_remote * l_v / cp |
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[709] | 415 | ! |
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[667] | 416 | !-- ...and convert it to a salinity flux at the sea surface (top) |
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[108] | 417 | !-- following Steinhorn (1991), JPO 21, pp. 1681-1683: |
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| 418 | !-- S'w' = -S * evaporation / ( rho_water * ( 1 - S ) ) |
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[1427] | 419 | saswst = -1.0_wp * sa(nzt,:,:) * 0.001_wp * qswst_remote / & |
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| 420 | ( rho(nzt,:,:) * ( 1.0_wp - sa(nzt,:,:) * 0.001_wp ) ) |
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[108] | 421 | ENDIF |
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| 422 | |
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| 423 | ! |
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[102] | 424 | !-- Adjust the kinematic heat flux with respect to ocean density |
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| 425 | !-- (constants are the specific heat capacities for air and water) |
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[667] | 426 | !-- now tswst is the ocean top heat flux |
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[1427] | 427 | tswst = tswst / rho(nzt,:,:) * cp / cpw |
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[102] | 428 | |
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| 429 | ! |
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[667] | 430 | !-- Adjust the momentum fluxes with respect to ocean density |
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| 431 | uswst = uswst / rho(nzt,:,:) |
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| 432 | vswst = vswst / rho(nzt,:,:) |
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[102] | 433 | |
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[667] | 434 | ENDIF |
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| 435 | |
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[709] | 436 | IF ( coupling_topology == 1 ) THEN |
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[667] | 437 | DEALLOCATE( total_2d_o, total_2d_a ) |
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| 438 | ENDIF |
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| 439 | |
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| 440 | CALL cpu_log( log_point(39), 'surface_coupler', 'stop' ) |
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| 441 | |
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| 442 | #endif |
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| 443 | |
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| 444 | END SUBROUTINE surface_coupler |
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| 445 | |
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| 446 | |
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| 447 | |
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[1682] | 448 | !------------------------------------------------------------------------------! |
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| 449 | ! Description: |
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| 450 | ! ------------ |
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| 451 | !> @todo Missing subroutine description. |
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| 452 | !------------------------------------------------------------------------------! |
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[709] | 453 | SUBROUTINE interpolate_to_atmos( tag ) |
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[667] | 454 | |
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[880] | 455 | #if defined( __parallel ) |
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| 456 | |
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[1320] | 457 | USE arrays_3d, & |
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| 458 | ONLY: total_2d_a, total_2d_o |
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[667] | 459 | |
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[1320] | 460 | USE indices, & |
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| 461 | ONLY: nbgp, nx, nx_a, nx_o, ny, ny_a, ny_o |
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| 462 | |
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| 463 | USE kinds |
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| 464 | |
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[1324] | 465 | USE pegrid |
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[1320] | 466 | |
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[667] | 467 | IMPLICIT NONE |
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| 468 | |
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[1682] | 469 | INTEGER(iwp) :: dnx !< |
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| 470 | INTEGER(iwp) :: dnx2 !< |
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| 471 | INTEGER(iwp) :: dny !< |
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| 472 | INTEGER(iwp) :: dny2 !< |
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| 473 | INTEGER(iwp) :: i !< |
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| 474 | INTEGER(iwp) :: ii !< |
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| 475 | INTEGER(iwp) :: j !< |
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| 476 | INTEGER(iwp) :: jj !< |
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[667] | 477 | |
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[1682] | 478 | INTEGER(iwp), intent(in) :: tag !< |
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[1320] | 479 | |
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[667] | 480 | CALL MPI_BARRIER( comm2d, ierr ) |
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| 481 | |
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[709] | 482 | IF ( myid == 0 ) THEN |
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| 483 | ! |
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| 484 | !-- Cyclic boundary conditions for the total 2D-grid |
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[667] | 485 | total_2d_o(-nbgp:-1,:) = total_2d_o(ny+1-nbgp:ny,:) |
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| 486 | total_2d_o(:,-nbgp:-1) = total_2d_o(:,nx+1-nbgp:nx) |
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| 487 | |
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| 488 | total_2d_o(ny+1:ny+nbgp,:) = total_2d_o(0:nbgp-1,:) |
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| 489 | total_2d_o(:,nx+1:nx+nbgp) = total_2d_o(:,0:nbgp-1) |
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| 490 | |
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[102] | 491 | ! |
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[667] | 492 | !-- Number of gridpoints of the fine grid within one mesh of the coarse grid |
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| 493 | dnx = (nx_o+1) / (nx_a+1) |
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| 494 | dny = (ny_o+1) / (ny_a+1) |
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[102] | 495 | |
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| 496 | ! |
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[709] | 497 | !-- Distance for interpolation around coarse grid points within the fine |
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| 498 | !-- grid (note: 2*dnx2 must not be equal with dnx) |
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[667] | 499 | dnx2 = 2 * ( dnx / 2 ) |
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| 500 | dny2 = 2 * ( dny / 2 ) |
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[102] | 501 | |
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[1353] | 502 | total_2d_a = 0.0_wp |
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[102] | 503 | ! |
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[667] | 504 | !-- Interpolation from ocean-grid-layer to atmosphere-grid-layer |
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| 505 | DO j = 0, ny_a |
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| 506 | DO i = 0, nx_a |
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| 507 | DO jj = 0, dny2 |
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| 508 | DO ii = 0, dnx2 |
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| 509 | total_2d_a(j,i) = total_2d_a(j,i) & |
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| 510 | + total_2d_o(j*dny+jj,i*dnx+ii) |
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| 511 | ENDDO |
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| 512 | ENDDO |
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| 513 | total_2d_a(j,i) = total_2d_a(j,i) / ( ( dnx2 + 1 ) * ( dny2 + 1 ) ) |
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| 514 | ENDDO |
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| 515 | ENDDO |
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| 516 | ! |
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[709] | 517 | !-- Cyclic boundary conditions for atmosphere grid |
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[667] | 518 | total_2d_a(-nbgp:-1,:) = total_2d_a(ny_a+1-nbgp:ny_a,:) |
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| 519 | total_2d_a(:,-nbgp:-1) = total_2d_a(:,nx_a+1-nbgp:nx_a) |
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| 520 | |
---|
| 521 | total_2d_a(ny_a+1:ny_a+nbgp,:) = total_2d_a(0:nbgp-1,:) |
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| 522 | total_2d_a(:,nx_a+1:nx_a+nbgp) = total_2d_a(:,0:nbgp-1) |
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| 523 | ! |
---|
| 524 | !-- Transfer of the atmosphere-grid-layer to the atmosphere |
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[709] | 525 | CALL MPI_SEND( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, target_id, & |
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| 526 | tag, comm_inter, ierr ) |
---|
[102] | 527 | |
---|
| 528 | ENDIF |
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| 529 | |
---|
[667] | 530 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
[102] | 531 | |
---|
[880] | 532 | #endif |
---|
| 533 | |
---|
[667] | 534 | END SUBROUTINE interpolate_to_atmos |
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[102] | 535 | |
---|
[667] | 536 | |
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[1682] | 537 | !------------------------------------------------------------------------------! |
---|
| 538 | ! Description: |
---|
| 539 | ! ------------ |
---|
| 540 | !> @todo Missing subroutine description. |
---|
| 541 | !------------------------------------------------------------------------------! |
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[709] | 542 | SUBROUTINE interpolate_to_ocean( tag ) |
---|
[667] | 543 | |
---|
[880] | 544 | #if defined( __parallel ) |
---|
| 545 | |
---|
[1320] | 546 | USE arrays_3d, & |
---|
| 547 | ONLY: total_2d_a, total_2d_o |
---|
[667] | 548 | |
---|
[1320] | 549 | USE indices, & |
---|
| 550 | ONLY: nbgp, nx, nx_a, nx_o, ny, ny_a, ny_o |
---|
| 551 | |
---|
| 552 | USE kinds |
---|
| 553 | |
---|
[1324] | 554 | USE pegrid |
---|
[1320] | 555 | |
---|
[667] | 556 | IMPLICIT NONE |
---|
| 557 | |
---|
[1682] | 558 | INTEGER(iwp) :: dnx !< |
---|
| 559 | INTEGER(iwp) :: dny !< |
---|
| 560 | INTEGER(iwp) :: i !< |
---|
| 561 | INTEGER(iwp) :: ii !< |
---|
| 562 | INTEGER(iwp) :: j !< |
---|
| 563 | INTEGER(iwp) :: jj !< |
---|
| 564 | INTEGER(iwp), intent(in) :: tag !< |
---|
[667] | 565 | |
---|
[1682] | 566 | REAL(wp) :: fl !< |
---|
| 567 | REAL(wp) :: fr !< |
---|
| 568 | REAL(wp) :: myl !< |
---|
| 569 | REAL(wp) :: myr !< |
---|
[709] | 570 | |
---|
[667] | 571 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 572 | |
---|
[709] | 573 | IF ( myid == 0 ) THEN |
---|
[667] | 574 | |
---|
| 575 | ! |
---|
[709] | 576 | !-- Number of gridpoints of the fine grid within one mesh of the coarse grid |
---|
[667] | 577 | dnx = ( nx_o + 1 ) / ( nx_a + 1 ) |
---|
| 578 | dny = ( ny_o + 1 ) / ( ny_a + 1 ) |
---|
| 579 | |
---|
| 580 | ! |
---|
[709] | 581 | !-- Cyclic boundary conditions for atmosphere grid |
---|
[667] | 582 | total_2d_a(-nbgp:-1,:) = total_2d_a(ny+1-nbgp:ny,:) |
---|
| 583 | total_2d_a(:,-nbgp:-1) = total_2d_a(:,nx+1-nbgp:nx) |
---|
| 584 | |
---|
| 585 | total_2d_a(ny+1:ny+nbgp,:) = total_2d_a(0:nbgp-1,:) |
---|
| 586 | total_2d_a(:,nx+1:nx+nbgp) = total_2d_a(:,0:nbgp-1) |
---|
| 587 | ! |
---|
[709] | 588 | !-- Bilinear Interpolation from atmosphere grid-layer to ocean grid-layer |
---|
[667] | 589 | DO j = 0, ny |
---|
| 590 | DO i = 0, nx |
---|
| 591 | myl = ( total_2d_a(j+1,i) - total_2d_a(j,i) ) / dny |
---|
| 592 | myr = ( total_2d_a(j+1,i+1) - total_2d_a(j,i+1) ) / dny |
---|
| 593 | DO jj = 0, dny-1 |
---|
[709] | 594 | fl = myl*jj + total_2d_a(j,i) |
---|
| 595 | fr = myr*jj + total_2d_a(j,i+1) |
---|
[667] | 596 | DO ii = 0, dnx-1 |
---|
| 597 | total_2d_o(j*dny+jj,i*dnx+ii) = ( fr - fl ) / dnx * ii + fl |
---|
| 598 | ENDDO |
---|
| 599 | ENDDO |
---|
| 600 | ENDDO |
---|
| 601 | ENDDO |
---|
| 602 | ! |
---|
[709] | 603 | !-- Cyclic boundary conditions for ocean grid |
---|
[667] | 604 | total_2d_o(-nbgp:-1,:) = total_2d_o(ny_o+1-nbgp:ny_o,:) |
---|
| 605 | total_2d_o(:,-nbgp:-1) = total_2d_o(:,nx_o+1-nbgp:nx_o) |
---|
| 606 | |
---|
| 607 | total_2d_o(ny_o+1:ny_o+nbgp,:) = total_2d_o(0:nbgp-1,:) |
---|
| 608 | total_2d_o(:,nx_o+1:nx_o+nbgp) = total_2d_o(:,0:nbgp-1) |
---|
| 609 | |
---|
| 610 | CALL MPI_SEND( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
---|
| 611 | target_id, tag, comm_inter, ierr ) |
---|
| 612 | |
---|
| 613 | ENDIF |
---|
| 614 | |
---|
| 615 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 616 | |
---|
[880] | 617 | #endif |
---|
| 618 | |
---|
[667] | 619 | END SUBROUTINE interpolate_to_ocean |
---|