[102] | 1 | SUBROUTINE surface_coupler |
---|
| 2 | |
---|
| 3 | !------------------------------------------------------------------------------! |
---|
[258] | 4 | ! Current revisions: |
---|
[102] | 5 | ! ----------------- |
---|
[709] | 6 | ! formatting adjustments |
---|
[102] | 7 | ! |
---|
| 8 | ! Former revisions: |
---|
| 9 | ! ------------------ |
---|
| 10 | ! $Id: surface_coupler.f90 709 2011-03-30 09:31:40Z raasch $ |
---|
| 11 | ! |
---|
[668] | 12 | ! 667 2010-12-23 12:06:00Z suehring/gryschka |
---|
[709] | 13 | ! Additional case for nonequivalent processor and grid topopolgy in ocean and |
---|
| 14 | ! atmosphere added (coupling_topology = 1). |
---|
[668] | 15 | ! Added exchange of u and v from Ocean to Atmosphere |
---|
| 16 | ! |
---|
[392] | 17 | ! 291 2009-04-16 12:07:26Z raasch |
---|
| 18 | ! Coupling with independent precursor runs. |
---|
| 19 | ! Output of messages replaced by message handling routine. |
---|
| 20 | ! |
---|
[226] | 21 | ! 206 2008-10-13 14:59:11Z raasch |
---|
| 22 | ! Implementation of a MPI-1 Coupling: replaced myid with target_id, |
---|
| 23 | ! deleted __mpi2 directives |
---|
| 24 | ! |
---|
[110] | 25 | ! 109 2007-08-28 15:26:47Z letzel |
---|
[102] | 26 | ! Initial revision |
---|
| 27 | ! |
---|
| 28 | ! Description: |
---|
| 29 | ! ------------ |
---|
| 30 | ! Data exchange at the interface between coupled models |
---|
| 31 | !------------------------------------------------------------------------------! |
---|
| 32 | |
---|
| 33 | USE arrays_3d |
---|
| 34 | USE control_parameters |
---|
| 35 | USE cpulog |
---|
| 36 | USE grid_variables |
---|
| 37 | USE indices |
---|
| 38 | USE interfaces |
---|
| 39 | USE pegrid |
---|
| 40 | |
---|
| 41 | IMPLICIT NONE |
---|
| 42 | |
---|
[108] | 43 | INTEGER :: i, j, k |
---|
[102] | 44 | |
---|
[291] | 45 | REAL :: time_since_reference_point_rem |
---|
[667] | 46 | REAL :: total_2d(-nbgp:ny+nbgp,-nbgp:nx+nbgp) |
---|
[102] | 47 | |
---|
[206] | 48 | #if defined( __parallel ) |
---|
[102] | 49 | |
---|
[667] | 50 | CALL cpu_log( log_point(39), 'surface_coupler', 'start' ) |
---|
[102] | 51 | |
---|
[667] | 52 | |
---|
| 53 | |
---|
[102] | 54 | ! |
---|
[108] | 55 | !-- In case of model termination initiated by the remote model |
---|
| 56 | !-- (terminate_coupled_remote > 0), initiate termination of the local model. |
---|
| 57 | !-- The rest of the coupler must then be skipped because it would cause an MPI |
---|
| 58 | !-- intercomminucation hang. |
---|
| 59 | !-- If necessary, the coupler will be called at the beginning of the next |
---|
| 60 | !-- restart run. |
---|
[667] | 61 | |
---|
| 62 | IF ( coupling_topology == 0 ) THEN |
---|
[709] | 63 | CALL MPI_SENDRECV( terminate_coupled, 1, MPI_INTEGER, target_id, & |
---|
| 64 | 0, & |
---|
| 65 | terminate_coupled_remote, 1, MPI_INTEGER, target_id, & |
---|
[667] | 66 | 0, comm_inter, status, ierr ) |
---|
| 67 | ELSE |
---|
| 68 | IF ( myid == 0) THEN |
---|
| 69 | CALL MPI_SENDRECV( terminate_coupled, 1, MPI_INTEGER, & |
---|
| 70 | target_id, 0, & |
---|
| 71 | terminate_coupled_remote, 1, MPI_INTEGER, & |
---|
| 72 | target_id, 0, & |
---|
| 73 | comm_inter, status, ierr ) |
---|
| 74 | ENDIF |
---|
[709] | 75 | CALL MPI_BCAST( terminate_coupled_remote, 1, MPI_INTEGER, 0, comm2d, & |
---|
| 76 | ierr ) |
---|
[667] | 77 | |
---|
| 78 | ALLOCATE( total_2d_a(-nbgp:ny_a+nbgp,-nbgp:nx_a+nbgp), & |
---|
| 79 | total_2d_o(-nbgp:ny_o+nbgp,-nbgp:nx_o+nbgp) ) |
---|
| 80 | |
---|
| 81 | ENDIF |
---|
| 82 | |
---|
[108] | 83 | IF ( terminate_coupled_remote > 0 ) THEN |
---|
[274] | 84 | WRITE( message_string, * ) 'remote model "', & |
---|
| 85 | TRIM( coupling_mode_remote ), & |
---|
| 86 | '" terminated', & |
---|
| 87 | '&with terminate_coupled_remote = ', & |
---|
| 88 | terminate_coupled_remote, & |
---|
| 89 | '&local model "', TRIM( coupling_mode ), & |
---|
| 90 | '" has', & |
---|
| 91 | '&terminate_coupled = ', & |
---|
[667] | 92 | terminate_coupled |
---|
[258] | 93 | CALL message( 'surface_coupler', 'PA0310', 1, 2, 0, 6, 0 ) |
---|
[108] | 94 | RETURN |
---|
| 95 | ENDIF |
---|
[667] | 96 | |
---|
[291] | 97 | |
---|
[108] | 98 | ! |
---|
| 99 | !-- Exchange the current simulated time between the models, |
---|
[667] | 100 | !-- currently just for total_2ding |
---|
[709] | 101 | IF ( coupling_topology == 0 ) THEN |
---|
| 102 | |
---|
| 103 | CALL MPI_SEND( time_since_reference_point, 1, MPI_REAL, target_id, 11, & |
---|
| 104 | comm_inter, ierr ) |
---|
| 105 | CALL MPI_RECV( time_since_reference_point_rem, 1, MPI_REAL, target_id, & |
---|
| 106 | 11, comm_inter, status, ierr ) |
---|
[667] | 107 | ELSE |
---|
[709] | 108 | |
---|
[667] | 109 | IF ( myid == 0 ) THEN |
---|
[709] | 110 | |
---|
| 111 | CALL MPI_SEND( time_since_reference_point, 1, MPI_REAL, target_id, & |
---|
| 112 | 11, comm_inter, ierr ) |
---|
| 113 | CALL MPI_RECV( time_since_reference_point_rem, 1, MPI_REAL, & |
---|
[667] | 114 | target_id, 11, comm_inter, status, ierr ) |
---|
[709] | 115 | |
---|
[667] | 116 | ENDIF |
---|
[709] | 117 | |
---|
| 118 | CALL MPI_BCAST( time_since_reference_point_rem, 1, MPI_REAL, 0, comm2d, & |
---|
| 119 | ierr ) |
---|
| 120 | |
---|
[667] | 121 | ENDIF |
---|
[102] | 122 | |
---|
| 123 | ! |
---|
| 124 | !-- Exchange the interface data |
---|
| 125 | IF ( coupling_mode == 'atmosphere_to_ocean' ) THEN |
---|
[667] | 126 | |
---|
| 127 | ! |
---|
[709] | 128 | !-- Horizontal grid size and number of processors is equal in ocean and |
---|
| 129 | !-- atmosphere |
---|
| 130 | IF ( coupling_topology == 0 ) THEN |
---|
[102] | 131 | |
---|
| 132 | ! |
---|
[709] | 133 | !-- Send heat flux at bottom surface to the ocean |
---|
| 134 | CALL MPI_SEND( shf(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 12, & |
---|
| 135 | comm_inter, ierr ) |
---|
[102] | 136 | ! |
---|
[709] | 137 | !-- Send humidity flux at bottom surface to the ocean |
---|
[667] | 138 | IF ( humidity ) THEN |
---|
[709] | 139 | CALL MPI_SEND( qsws(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 13, & |
---|
| 140 | comm_inter, ierr ) |
---|
[667] | 141 | ENDIF |
---|
| 142 | ! |
---|
[709] | 143 | !-- Receive temperature at the bottom surface from the ocean |
---|
| 144 | CALL MPI_RECV( pt(0,nysg,nxlg), 1, type_xy, target_id, 14, & |
---|
| 145 | comm_inter, status, ierr ) |
---|
[108] | 146 | ! |
---|
[709] | 147 | !-- Send the momentum flux (u) at bottom surface to the ocean |
---|
| 148 | CALL MPI_SEND( usws(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 15, & |
---|
| 149 | comm_inter, ierr ) |
---|
[102] | 150 | ! |
---|
[709] | 151 | !-- Send the momentum flux (v) at bottom surface to the ocean |
---|
| 152 | CALL MPI_SEND( vsws(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 16, & |
---|
| 153 | comm_inter, ierr ) |
---|
[102] | 154 | ! |
---|
[709] | 155 | !-- Receive u at the bottom surface from the ocean |
---|
| 156 | CALL MPI_RECV( u(0,nysg,nxlg), 1, type_xy, target_id, 17, & |
---|
| 157 | comm_inter, status, ierr ) |
---|
[667] | 158 | ! |
---|
[709] | 159 | !-- Receive v at the bottom surface from the ocean |
---|
| 160 | CALL MPI_RECV( v(0,nysg,nxlg), 1, type_xy, target_id, 18, & |
---|
| 161 | comm_inter, status, ierr ) |
---|
[667] | 162 | ! |
---|
| 163 | !-- Horizontal grid size or number of processors differs between |
---|
| 164 | !-- ocean and atmosphere |
---|
| 165 | ELSE |
---|
| 166 | |
---|
| 167 | ! |
---|
[709] | 168 | !-- Send heat flux at bottom surface to the ocean |
---|
[667] | 169 | total_2d_a = 0.0 |
---|
[709] | 170 | total_2d = 0.0 |
---|
[667] | 171 | total_2d(nys:nyn,nxl:nxr) = shf(nys:nyn,nxl:nxr) |
---|
[709] | 172 | |
---|
| 173 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, 0, & |
---|
| 174 | comm2d, ierr ) |
---|
| 175 | CALL interpolate_to_ocean( 12 ) |
---|
[667] | 176 | ! |
---|
[709] | 177 | !-- Send humidity flux at bottom surface to the ocean |
---|
| 178 | IF ( humidity ) THEN |
---|
[667] | 179 | total_2d_a = 0.0 |
---|
[709] | 180 | total_2d = 0.0 |
---|
[667] | 181 | total_2d(nys:nyn,nxl:nxr) = qsws(nys:nyn,nxl:nxr) |
---|
[709] | 182 | |
---|
| 183 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, & |
---|
| 184 | 0, comm2d, ierr ) |
---|
| 185 | CALL interpolate_to_ocean( 13 ) |
---|
[667] | 186 | ENDIF |
---|
| 187 | ! |
---|
[709] | 188 | !-- Receive temperature at the bottom surface from the ocean |
---|
| 189 | IF ( myid == 0 ) THEN |
---|
[667] | 190 | CALL MPI_RECV( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, & |
---|
| 191 | target_id, 14, comm_inter, status, ierr ) |
---|
| 192 | ENDIF |
---|
| 193 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
[709] | 194 | CALL MPI_BCAST( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, 0, comm2d, & |
---|
| 195 | ierr ) |
---|
[667] | 196 | pt(0,nysg:nyng,nxlg:nxrg) = total_2d_a(nysg:nyng,nxlg:nxrg) |
---|
| 197 | ! |
---|
[709] | 198 | !-- Send momentum flux (u) at bottom surface to the ocean |
---|
[667] | 199 | total_2d_a = 0.0 |
---|
[709] | 200 | total_2d = 0.0 |
---|
[667] | 201 | total_2d(nys:nyn,nxl:nxr) = usws(nys:nyn,nxl:nxr) |
---|
[709] | 202 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, 0, & |
---|
| 203 | comm2d, ierr ) |
---|
| 204 | CALL interpolate_to_ocean( 15 ) |
---|
[667] | 205 | ! |
---|
[709] | 206 | !-- Send momentum flux (v) at bottom surface to the ocean |
---|
[667] | 207 | total_2d_a = 0.0 |
---|
[709] | 208 | total_2d = 0.0 |
---|
[667] | 209 | total_2d(nys:nyn,nxl:nxr) = vsws(nys:nyn,nxl:nxr) |
---|
[709] | 210 | CALL MPI_REDUCE( total_2d, total_2d_a, ngp_a, MPI_REAL, MPI_SUM, 0, & |
---|
| 211 | comm2d, ierr ) |
---|
| 212 | CALL interpolate_to_ocean( 16 ) |
---|
[667] | 213 | ! |
---|
[709] | 214 | !-- Receive u at the bottom surface from the ocean |
---|
| 215 | IF ( myid == 0 ) THEN |
---|
[667] | 216 | CALL MPI_RECV( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, & |
---|
[709] | 217 | target_id, 17, comm_inter, status, ierr ) |
---|
[667] | 218 | ENDIF |
---|
| 219 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
[709] | 220 | CALL MPI_BCAST( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, 0, comm2d, & |
---|
| 221 | ierr ) |
---|
[667] | 222 | u(0,nysg:nyng,nxlg:nxrg) = total_2d_a(nysg:nyng,nxlg:nxrg) |
---|
| 223 | ! |
---|
[709] | 224 | !-- Receive v at the bottom surface from the ocean |
---|
| 225 | IF ( myid == 0 ) THEN |
---|
[667] | 226 | CALL MPI_RECV( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, & |
---|
[709] | 227 | target_id, 18, comm_inter, status, ierr ) |
---|
[667] | 228 | ENDIF |
---|
| 229 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
[709] | 230 | CALL MPI_BCAST( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, 0, comm2d, & |
---|
| 231 | ierr ) |
---|
[667] | 232 | v(0,nysg:nyng,nxlg:nxrg) = total_2d_a(nysg:nyng,nxlg:nxrg) |
---|
| 233 | |
---|
| 234 | ENDIF |
---|
| 235 | |
---|
[102] | 236 | ELSEIF ( coupling_mode == 'ocean_to_atmosphere' ) THEN |
---|
| 237 | |
---|
| 238 | ! |
---|
[667] | 239 | !-- Horizontal grid size and number of processors is equal |
---|
| 240 | !-- in ocean and atmosphere |
---|
| 241 | IF ( coupling_topology == 0 ) THEN |
---|
| 242 | ! |
---|
[709] | 243 | !-- Receive heat flux at the sea surface (top) from the atmosphere |
---|
| 244 | CALL MPI_RECV( tswst(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 12, & |
---|
| 245 | comm_inter, status, ierr ) |
---|
[102] | 246 | ! |
---|
[709] | 247 | !-- Receive humidity flux from the atmosphere (bottom) |
---|
[667] | 248 | !-- and add it to the heat flux at the sea surface (top)... |
---|
| 249 | IF ( humidity_remote ) THEN |
---|
| 250 | CALL MPI_RECV( qswst_remote(nysg,nxlg), ngp_xy, MPI_REAL, & |
---|
| 251 | target_id, 13, comm_inter, status, ierr ) |
---|
| 252 | ENDIF |
---|
| 253 | ! |
---|
| 254 | !-- Send sea surface temperature to the atmosphere model |
---|
[709] | 255 | CALL MPI_SEND( pt(nzt,nysg,nxlg), 1, type_xy, target_id, 14, & |
---|
| 256 | comm_inter, ierr ) |
---|
[667] | 257 | ! |
---|
| 258 | !-- Receive momentum flux (u) at the sea surface (top) from the atmosphere |
---|
[709] | 259 | CALL MPI_RECV( uswst(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 15, & |
---|
| 260 | comm_inter, status, ierr ) |
---|
[667] | 261 | ! |
---|
| 262 | !-- Receive momentum flux (v) at the sea surface (top) from the atmosphere |
---|
[709] | 263 | CALL MPI_RECV( vswst(nysg,nxlg), ngp_xy, MPI_REAL, target_id, 16, & |
---|
| 264 | comm_inter, status, ierr ) |
---|
[667] | 265 | ! |
---|
[709] | 266 | !-- Send u to the atmosphere |
---|
| 267 | CALL MPI_SEND( u(nzt,nysg,nxlg), 1, type_xy, target_id, 17, & |
---|
| 268 | comm_inter, ierr ) |
---|
[667] | 269 | ! |
---|
[709] | 270 | !-- Send v to the atmosphere |
---|
| 271 | CALL MPI_SEND( v(nzt,nysg,nxlg), 1, type_xy, target_id, 18, & |
---|
| 272 | comm_inter, ierr ) |
---|
| 273 | ! |
---|
[667] | 274 | !-- Horizontal gridsize or number of processors differs between |
---|
| 275 | !-- ocean and atmosphere |
---|
| 276 | ELSE |
---|
| 277 | ! |
---|
[709] | 278 | !-- Receive heat flux at the sea surface (top) from the atmosphere |
---|
| 279 | IF ( myid == 0 ) THEN |
---|
[667] | 280 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
---|
[709] | 281 | target_id, 12, comm_inter, status, ierr ) |
---|
[667] | 282 | ENDIF |
---|
| 283 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
[709] | 284 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, 0, comm2d, & |
---|
| 285 | ierr ) |
---|
[667] | 286 | tswst(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
---|
| 287 | ! |
---|
[709] | 288 | !-- Receive humidity flux at the sea surface (top) from the atmosphere |
---|
| 289 | IF ( humidity_remote ) THEN |
---|
| 290 | IF ( myid == 0 ) THEN |
---|
[667] | 291 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
---|
[709] | 292 | target_id, 13, comm_inter, status, ierr ) |
---|
[667] | 293 | ENDIF |
---|
| 294 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
[709] | 295 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, 0, & |
---|
| 296 | comm2d, ierr) |
---|
[667] | 297 | qswst_remote(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
---|
| 298 | ENDIF |
---|
| 299 | ! |
---|
| 300 | !-- Send surface temperature to atmosphere |
---|
| 301 | total_2d_o = 0.0 |
---|
[709] | 302 | total_2d = 0.0 |
---|
[667] | 303 | total_2d(nys:nyn,nxl:nxr) = pt(nzt,nys:nyn,nxl:nxr) |
---|
| 304 | |
---|
[709] | 305 | CALL MPI_REDUCE( total_2d, total_2d_o, ngp_o, MPI_REAL, MPI_SUM, 0, & |
---|
| 306 | comm2d, ierr) |
---|
| 307 | CALL interpolate_to_atmos( 14 ) |
---|
[667] | 308 | ! |
---|
[709] | 309 | !-- Receive momentum flux (u) at the sea surface (top) from the atmosphere |
---|
| 310 | IF ( myid == 0 ) THEN |
---|
[667] | 311 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
---|
[709] | 312 | target_id, 15, comm_inter, status, ierr ) |
---|
[667] | 313 | ENDIF |
---|
| 314 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 315 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
---|
[709] | 316 | 0, comm2d, ierr ) |
---|
[667] | 317 | uswst(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
---|
| 318 | ! |
---|
[709] | 319 | !-- Receive momentum flux (v) at the sea surface (top) from the atmosphere |
---|
| 320 | IF ( myid == 0 ) THEN |
---|
[667] | 321 | CALL MPI_RECV( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
---|
[709] | 322 | target_id, 16, comm_inter, status, ierr ) |
---|
[667] | 323 | ENDIF |
---|
| 324 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
[709] | 325 | CALL MPI_BCAST( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, 0, comm2d, & |
---|
| 326 | ierr ) |
---|
[667] | 327 | vswst(nysg:nyng,nxlg:nxrg) = total_2d_o(nysg:nyng,nxlg:nxrg) |
---|
| 328 | ! |
---|
| 329 | !-- Send u to atmosphere |
---|
| 330 | total_2d_o = 0.0 |
---|
[709] | 331 | total_2d = 0.0 |
---|
[667] | 332 | total_2d(nys:nyn,nxl:nxr) = u(nzt,nys:nyn,nxl:nxr) |
---|
[709] | 333 | CALL MPI_REDUCE( total_2d, total_2d_o, ngp_o, MPI_REAL, MPI_SUM, 0, & |
---|
| 334 | comm2d, ierr ) |
---|
| 335 | CALL interpolate_to_atmos( 17 ) |
---|
[667] | 336 | ! |
---|
| 337 | !-- Send v to atmosphere |
---|
| 338 | total_2d_o = 0.0 |
---|
[709] | 339 | total_2d = 0.0 |
---|
[667] | 340 | total_2d(nys:nyn,nxl:nxr) = v(nzt,nys:nyn,nxl:nxr) |
---|
[709] | 341 | CALL MPI_REDUCE( total_2d, total_2d_o, ngp_o, MPI_REAL, MPI_SUM, 0, & |
---|
| 342 | comm2d, ierr ) |
---|
| 343 | CALL interpolate_to_atmos( 18 ) |
---|
[667] | 344 | |
---|
| 345 | ENDIF |
---|
| 346 | |
---|
| 347 | ! |
---|
| 348 | !-- Conversions of fluxes received from atmosphere |
---|
| 349 | IF ( humidity_remote ) THEN |
---|
[108] | 350 | ! |
---|
[709] | 351 | !-- Here tswst is still the sum of atmospheric bottom heat fluxes, |
---|
| 352 | !-- * latent heat of vaporization in m2/s2, or 540 cal/g, or 40.65 kJ/mol |
---|
| 353 | !-- /(rho_atm(=1.0)*c_p) |
---|
| 354 | tswst = tswst + qswst_remote * 2.2626108E6 / 1005.0 |
---|
| 355 | ! |
---|
[667] | 356 | !-- ...and convert it to a salinity flux at the sea surface (top) |
---|
[108] | 357 | !-- following Steinhorn (1991), JPO 21, pp. 1681-1683: |
---|
| 358 | !-- S'w' = -S * evaporation / ( rho_water * ( 1 - S ) ) |
---|
| 359 | saswst = -1.0 * sa(nzt,:,:) * qswst_remote / & |
---|
[667] | 360 | ( rho(nzt,:,:) * ( 1.0 - sa(nzt,:,:) ) ) |
---|
[108] | 361 | ENDIF |
---|
| 362 | |
---|
| 363 | ! |
---|
[102] | 364 | !-- Adjust the kinematic heat flux with respect to ocean density |
---|
| 365 | !-- (constants are the specific heat capacities for air and water) |
---|
[667] | 366 | !-- now tswst is the ocean top heat flux |
---|
[108] | 367 | tswst = tswst / rho(nzt,:,:) * 1005.0 / 4218.0 |
---|
[102] | 368 | |
---|
| 369 | ! |
---|
[667] | 370 | !-- Adjust the momentum fluxes with respect to ocean density |
---|
| 371 | uswst = uswst / rho(nzt,:,:) |
---|
| 372 | vswst = vswst / rho(nzt,:,:) |
---|
[102] | 373 | |
---|
[667] | 374 | ENDIF |
---|
| 375 | |
---|
[709] | 376 | IF ( coupling_topology == 1 ) THEN |
---|
[667] | 377 | DEALLOCATE( total_2d_o, total_2d_a ) |
---|
| 378 | ENDIF |
---|
| 379 | |
---|
| 380 | CALL cpu_log( log_point(39), 'surface_coupler', 'stop' ) |
---|
| 381 | |
---|
| 382 | #endif |
---|
| 383 | |
---|
| 384 | END SUBROUTINE surface_coupler |
---|
| 385 | |
---|
| 386 | |
---|
| 387 | |
---|
[709] | 388 | SUBROUTINE interpolate_to_atmos( tag ) |
---|
[667] | 389 | |
---|
| 390 | USE arrays_3d |
---|
| 391 | USE control_parameters |
---|
| 392 | USE grid_variables |
---|
| 393 | USE indices |
---|
| 394 | USE pegrid |
---|
| 395 | |
---|
| 396 | IMPLICIT NONE |
---|
| 397 | |
---|
| 398 | INTEGER :: dnx, dnx2, dny, dny2, i, ii, j, jj |
---|
| 399 | INTEGER, intent(in) :: tag |
---|
| 400 | |
---|
| 401 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 402 | |
---|
[709] | 403 | IF ( myid == 0 ) THEN |
---|
| 404 | ! |
---|
| 405 | !-- Cyclic boundary conditions for the total 2D-grid |
---|
[667] | 406 | total_2d_o(-nbgp:-1,:) = total_2d_o(ny+1-nbgp:ny,:) |
---|
| 407 | total_2d_o(:,-nbgp:-1) = total_2d_o(:,nx+1-nbgp:nx) |
---|
| 408 | |
---|
| 409 | total_2d_o(ny+1:ny+nbgp,:) = total_2d_o(0:nbgp-1,:) |
---|
| 410 | total_2d_o(:,nx+1:nx+nbgp) = total_2d_o(:,0:nbgp-1) |
---|
| 411 | |
---|
[102] | 412 | ! |
---|
[667] | 413 | !-- Number of gridpoints of the fine grid within one mesh of the coarse grid |
---|
| 414 | dnx = (nx_o+1) / (nx_a+1) |
---|
| 415 | dny = (ny_o+1) / (ny_a+1) |
---|
[102] | 416 | |
---|
| 417 | ! |
---|
[709] | 418 | !-- Distance for interpolation around coarse grid points within the fine |
---|
| 419 | !-- grid (note: 2*dnx2 must not be equal with dnx) |
---|
[667] | 420 | dnx2 = 2 * ( dnx / 2 ) |
---|
| 421 | dny2 = 2 * ( dny / 2 ) |
---|
[102] | 422 | |
---|
[667] | 423 | total_2d_a = 0.0 |
---|
[102] | 424 | ! |
---|
[667] | 425 | !-- Interpolation from ocean-grid-layer to atmosphere-grid-layer |
---|
| 426 | DO j = 0, ny_a |
---|
| 427 | DO i = 0, nx_a |
---|
| 428 | DO jj = 0, dny2 |
---|
| 429 | DO ii = 0, dnx2 |
---|
| 430 | total_2d_a(j,i) = total_2d_a(j,i) & |
---|
| 431 | + total_2d_o(j*dny+jj,i*dnx+ii) |
---|
| 432 | ENDDO |
---|
| 433 | ENDDO |
---|
| 434 | total_2d_a(j,i) = total_2d_a(j,i) / ( ( dnx2 + 1 ) * ( dny2 + 1 ) ) |
---|
| 435 | ENDDO |
---|
| 436 | ENDDO |
---|
| 437 | ! |
---|
[709] | 438 | !-- Cyclic boundary conditions for atmosphere grid |
---|
[667] | 439 | total_2d_a(-nbgp:-1,:) = total_2d_a(ny_a+1-nbgp:ny_a,:) |
---|
| 440 | total_2d_a(:,-nbgp:-1) = total_2d_a(:,nx_a+1-nbgp:nx_a) |
---|
| 441 | |
---|
| 442 | total_2d_a(ny_a+1:ny_a+nbgp,:) = total_2d_a(0:nbgp-1,:) |
---|
| 443 | total_2d_a(:,nx_a+1:nx_a+nbgp) = total_2d_a(:,0:nbgp-1) |
---|
| 444 | ! |
---|
| 445 | !-- Transfer of the atmosphere-grid-layer to the atmosphere |
---|
[709] | 446 | CALL MPI_SEND( total_2d_a(-nbgp,-nbgp), ngp_a, MPI_REAL, target_id, & |
---|
| 447 | tag, comm_inter, ierr ) |
---|
[102] | 448 | |
---|
| 449 | ENDIF |
---|
| 450 | |
---|
[667] | 451 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
[102] | 452 | |
---|
[667] | 453 | END SUBROUTINE interpolate_to_atmos |
---|
[102] | 454 | |
---|
[667] | 455 | |
---|
[709] | 456 | SUBROUTINE interpolate_to_ocean( tag ) |
---|
[667] | 457 | |
---|
| 458 | USE arrays_3d |
---|
| 459 | USE control_parameters |
---|
| 460 | USE grid_variables |
---|
| 461 | USE indices |
---|
| 462 | USE pegrid |
---|
| 463 | |
---|
| 464 | IMPLICIT NONE |
---|
| 465 | |
---|
| 466 | INTEGER :: dnx, dny, i, ii, j, jj |
---|
| 467 | INTEGER, intent(in) :: tag |
---|
[709] | 468 | REAL :: fl, fr, myl, myr |
---|
[667] | 469 | |
---|
[709] | 470 | |
---|
[667] | 471 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 472 | |
---|
[709] | 473 | IF ( myid == 0 ) THEN |
---|
[667] | 474 | |
---|
| 475 | ! |
---|
[709] | 476 | !-- Number of gridpoints of the fine grid within one mesh of the coarse grid |
---|
[667] | 477 | dnx = ( nx_o + 1 ) / ( nx_a + 1 ) |
---|
| 478 | dny = ( ny_o + 1 ) / ( ny_a + 1 ) |
---|
| 479 | |
---|
| 480 | ! |
---|
[709] | 481 | !-- Cyclic boundary conditions for atmosphere grid |
---|
[667] | 482 | total_2d_a(-nbgp:-1,:) = total_2d_a(ny+1-nbgp:ny,:) |
---|
| 483 | total_2d_a(:,-nbgp:-1) = total_2d_a(:,nx+1-nbgp:nx) |
---|
| 484 | |
---|
| 485 | total_2d_a(ny+1:ny+nbgp,:) = total_2d_a(0:nbgp-1,:) |
---|
| 486 | total_2d_a(:,nx+1:nx+nbgp) = total_2d_a(:,0:nbgp-1) |
---|
| 487 | ! |
---|
[709] | 488 | !-- Bilinear Interpolation from atmosphere grid-layer to ocean grid-layer |
---|
[667] | 489 | DO j = 0, ny |
---|
| 490 | DO i = 0, nx |
---|
| 491 | myl = ( total_2d_a(j+1,i) - total_2d_a(j,i) ) / dny |
---|
| 492 | myr = ( total_2d_a(j+1,i+1) - total_2d_a(j,i+1) ) / dny |
---|
| 493 | DO jj = 0, dny-1 |
---|
[709] | 494 | fl = myl*jj + total_2d_a(j,i) |
---|
| 495 | fr = myr*jj + total_2d_a(j,i+1) |
---|
[667] | 496 | DO ii = 0, dnx-1 |
---|
| 497 | total_2d_o(j*dny+jj,i*dnx+ii) = ( fr - fl ) / dnx * ii + fl |
---|
| 498 | ENDDO |
---|
| 499 | ENDDO |
---|
| 500 | ENDDO |
---|
| 501 | ENDDO |
---|
| 502 | ! |
---|
[709] | 503 | !-- Cyclic boundary conditions for ocean grid |
---|
[667] | 504 | total_2d_o(-nbgp:-1,:) = total_2d_o(ny_o+1-nbgp:ny_o,:) |
---|
| 505 | total_2d_o(:,-nbgp:-1) = total_2d_o(:,nx_o+1-nbgp:nx_o) |
---|
| 506 | |
---|
| 507 | total_2d_o(ny_o+1:ny_o+nbgp,:) = total_2d_o(0:nbgp-1,:) |
---|
| 508 | total_2d_o(:,nx_o+1:nx_o+nbgp) = total_2d_o(:,0:nbgp-1) |
---|
| 509 | |
---|
| 510 | CALL MPI_SEND( total_2d_o(-nbgp,-nbgp), ngp_o, MPI_REAL, & |
---|
| 511 | target_id, tag, comm_inter, ierr ) |
---|
| 512 | |
---|
| 513 | ENDIF |
---|
| 514 | |
---|
| 515 | CALL MPI_BARRIER( comm2d, ierr ) |
---|
| 516 | |
---|
| 517 | END SUBROUTINE interpolate_to_ocean |
---|