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