[3] | 1 | MODULE tradmp |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE tradmp *** |
---|
| 4 | !! Ocean physics: internal restoring trend on active tracers (T and S) |
---|
| 5 | !!====================================================================== |
---|
[32] | 6 | #if defined key_tradmp || defined key_esopa |
---|
[3] | 7 | !!---------------------------------------------------------------------- |
---|
| 8 | !! key_tradmp internal damping |
---|
| 9 | !!---------------------------------------------------------------------- |
---|
| 10 | !! tra_dmp : update the tracer trend with the internal damping |
---|
| 11 | !! tra_dmp_init : initialization, namlist read, parameters control |
---|
| 12 | !! dtacof_zoom : restoring coefficient for zoom domain |
---|
| 13 | !! dtacof : restoring coefficient for global domain |
---|
| 14 | !! cofdis : compute the distance to the coastline |
---|
| 15 | !!---------------------------------------------------------------------- |
---|
| 16 | !! * Modules used |
---|
| 17 | USE oce ! ocean dynamics and tracers variables |
---|
| 18 | USE dom_oce ! ocean space and time domain variables |
---|
[216] | 19 | USE trdmod ! ocean active tracers trends |
---|
| 20 | USE trdmod_oce ! ocean variables trends |
---|
[3] | 21 | USE zdf_oce ! ocean vertical physics |
---|
| 22 | USE in_out_manager ! I/O manager |
---|
| 23 | USE phycst ! Define parameters for the routines |
---|
| 24 | USE dtatem ! temperature data |
---|
| 25 | USE dtasal ! salinity data |
---|
| 26 | USE zdfmxl ! mixed layer depth |
---|
[216] | 27 | USE lib_mpp ! distribued memory computing |
---|
[258] | 28 | USE prtctl ! Print control |
---|
[3] | 29 | |
---|
| 30 | IMPLICIT NONE |
---|
| 31 | PRIVATE |
---|
| 32 | |
---|
| 33 | !! * Routine accessibility |
---|
| 34 | PUBLIC tra_dmp ! routine called by step.F90 |
---|
| 35 | |
---|
| 36 | !! * Shared module variables |
---|
[389] | 37 | LOGICAL , PUBLIC & |
---|
| 38 | #if ! defined key_AGRIF |
---|
| 39 | , PARAMETER & |
---|
| 40 | #endif |
---|
| 41 | :: lk_tradmp = .TRUE. !: internal damping flag |
---|
[3] | 42 | |
---|
| 43 | REAL(wp), PUBLIC, DIMENSION(jpi,jpj,jpk) :: & |
---|
| 44 | strdmp ! damping salinity trend (psu/s) |
---|
| 45 | |
---|
| 46 | !! * Module variables |
---|
| 47 | INTEGER :: & !!! * newtonian damping namelist (mandmp) * |
---|
| 48 | ndmp = -1 , & ! = 0/-1/'latitude' for damping over T and S |
---|
| 49 | ndmpf = 2 , & ! = 1 create a damping.coeff NetCDF file |
---|
| 50 | nmldmp = 0 ! = 0/1/2 flag for damping in the mixed layer |
---|
| 51 | REAL(wp) :: & !!! * newtonian damping namelist * |
---|
| 52 | sdmp = 50., & ! surface time scale for internal damping (days) |
---|
| 53 | bdmp = 360., & ! bottom time scale for internal damping (days) |
---|
| 54 | hdmp = 800. ! depth of transition between sdmp and bdmp (meters) |
---|
| 55 | |
---|
| 56 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
---|
| 57 | resto ! restoring coeff. on T and S (s-1) |
---|
| 58 | |
---|
| 59 | !! * Substitutions |
---|
| 60 | # include "domzgr_substitute.h90" |
---|
| 61 | # include "vectopt_loop_substitute.h90" |
---|
| 62 | !!---------------------------------------------------------------------- |
---|
[247] | 63 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
---|
| 64 | !! $Header$ |
---|
| 65 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
---|
[3] | 66 | !!---------------------------------------------------------------------- |
---|
| 67 | |
---|
| 68 | CONTAINS |
---|
| 69 | |
---|
| 70 | SUBROUTINE tra_dmp( kt ) |
---|
| 71 | !!---------------------------------------------------------------------- |
---|
| 72 | !! *** ROUTINE tra_dmp *** |
---|
| 73 | !! |
---|
| 74 | !! ** Purpose : Compute the tracer trend due to a newtonian damping |
---|
| 75 | !! of the tracer field towards given data field and add it to the |
---|
| 76 | !! general tracer trends. |
---|
| 77 | !! |
---|
| 78 | !! ** Method : Newtonian damping towards t_dta and s_dta computed |
---|
| 79 | !! and add to the general tracer trends: |
---|
| 80 | !! ta = ta + resto * (t_dta - tb) |
---|
| 81 | !! sa = sa + resto * (s_dta - sb) |
---|
| 82 | !! The trend is computed either throughout the water column |
---|
| 83 | !! (nlmdmp=0) or in area of weak vertical mixing (nlmdmp=1) or |
---|
| 84 | !! below the well mixed layer (nlmdmp=2) |
---|
| 85 | !! |
---|
| 86 | !! ** Action : - update the tracer trends (ta,sa) with the newtonian |
---|
| 87 | !! damping trends. |
---|
| 88 | !! - save the trends in (ttrd,strd) ('key_trdtra') |
---|
| 89 | !! |
---|
| 90 | !! History : |
---|
| 91 | !! 7.0 ! (G. Madec) Original code |
---|
| 92 | !! ! 96-01 (G. Madec) |
---|
| 93 | !! ! 97-05 (G. Madec) macro-tasked on jk-slab |
---|
| 94 | !! 8.5 ! 02-08 (G. Madec) free form + modules |
---|
[216] | 95 | !! 9.0 ! 04-08 (C. Talandier) New trends organization |
---|
[3] | 96 | !!---------------------------------------------------------------------- |
---|
[216] | 97 | !! * Modules used |
---|
| 98 | USE oce, ONLY : ztdta => ua, & ! use ua as 3D workspace |
---|
| 99 | ztdsa => va ! use va as 3D workspace |
---|
| 100 | |
---|
[3] | 101 | !! * Arguments |
---|
[216] | 102 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
---|
[3] | 103 | |
---|
| 104 | !! * Local declarations |
---|
[216] | 105 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
| 106 | REAL(wp) :: ztest, zta, zsa ! temporary scalars |
---|
[3] | 107 | !!---------------------------------------------------------------------- |
---|
| 108 | |
---|
| 109 | ! 0. Initialization (first time-step only) |
---|
| 110 | ! -------------- |
---|
| 111 | IF( kt == nit000 ) CALL tra_dmp_init |
---|
| 112 | |
---|
[216] | 113 | ! Save ta and sa trends |
---|
| 114 | IF( l_trdtra ) THEN |
---|
| 115 | ztdta(:,:,:) = ta(:,:,:) |
---|
| 116 | ztdsa(:,:,:) = sa(:,:,:) |
---|
| 117 | ENDIF |
---|
| 118 | |
---|
[3] | 119 | ! 1. Newtonian damping trends on tracer fields |
---|
| 120 | ! -------------------------------------------- |
---|
| 121 | ! compute the newtonian damping trends depending on nmldmp |
---|
| 122 | |
---|
| 123 | SELECT CASE ( nmldmp ) |
---|
| 124 | |
---|
| 125 | CASE( 0 ) ! newtonian damping throughout the water column |
---|
| 126 | DO jk = 1, jpkm1 |
---|
| 127 | DO jj = 2, jpjm1 |
---|
| 128 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 129 | zta = resto(ji,jj,jk) * ( t_dta(ji,jj,jk) - tb(ji,jj,jk) ) |
---|
| 130 | zsa = resto(ji,jj,jk) * ( s_dta(ji,jj,jk) - sb(ji,jj,jk) ) |
---|
| 131 | ! add the trends to the general tracer trends |
---|
| 132 | ta(ji,jj,jk) = ta(ji,jj,jk) + zta |
---|
| 133 | sa(ji,jj,jk) = sa(ji,jj,jk) + zsa |
---|
| 134 | ! save the salinity trend (used in flx to close the salt budget) |
---|
| 135 | strdmp(ji,jj,jk) = zsa |
---|
| 136 | END DO |
---|
| 137 | END DO |
---|
| 138 | END DO |
---|
| 139 | |
---|
| 140 | CASE ( 1 ) ! no damping in the turbocline (avt > 5 cm2/s) |
---|
| 141 | DO jk = 1, jpkm1 |
---|
| 142 | DO jj = 2, jpjm1 |
---|
| 143 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 144 | ztest = avt(ji,jj,jk) - 5.e-4 |
---|
| 145 | IF( ztest < 0. ) THEN |
---|
| 146 | zta = resto(ji,jj,jk) * ( t_dta(ji,jj,jk) - tb(ji,jj,jk) ) |
---|
| 147 | zsa = resto(ji,jj,jk) * ( s_dta(ji,jj,jk) - sb(ji,jj,jk) ) |
---|
| 148 | ELSE |
---|
| 149 | zta = 0.e0 |
---|
| 150 | zsa = 0.e0 |
---|
| 151 | ENDIF |
---|
| 152 | ! add the trends to the general tracer trends |
---|
| 153 | ta(ji,jj,jk) = ta(ji,jj,jk) + zta |
---|
| 154 | sa(ji,jj,jk) = sa(ji,jj,jk) + zsa |
---|
| 155 | ! save the salinity trend (used in flx to close the salt budget) |
---|
| 156 | strdmp(ji,jj,jk) = zsa |
---|
| 157 | END DO |
---|
| 158 | END DO |
---|
| 159 | END DO |
---|
| 160 | |
---|
| 161 | CASE ( 2 ) ! no damping in the mixed layer |
---|
| 162 | DO jk = 1, jpkm1 |
---|
| 163 | DO jj = 2, jpjm1 |
---|
| 164 | DO ji = fs_2, fs_jpim1 ! vector opt. |
---|
| 165 | IF( fsdept(ji,jj,jk) >= hmlp (ji,jj) ) THEN |
---|
| 166 | zta = resto(ji,jj,jk) * ( t_dta(ji,jj,jk) - tb(ji,jj,jk) ) |
---|
| 167 | zsa = resto(ji,jj,jk) * ( s_dta(ji,jj,jk) - sb(ji,jj,jk) ) |
---|
| 168 | ELSE |
---|
| 169 | zta = 0.e0 |
---|
| 170 | zsa = 0.e0 |
---|
| 171 | ENDIF |
---|
| 172 | ! add the trends to the general tracer trends |
---|
| 173 | ta(ji,jj,jk) = ta(ji,jj,jk) + zta |
---|
| 174 | sa(ji,jj,jk) = sa(ji,jj,jk) + zsa |
---|
| 175 | ! save the salinity trend (used in flx to close the salt budget) |
---|
| 176 | strdmp(ji,jj,jk) = zsa |
---|
| 177 | END DO |
---|
| 178 | END DO |
---|
| 179 | END DO |
---|
| 180 | |
---|
| 181 | END SELECT |
---|
| 182 | |
---|
[216] | 183 | ! save the trends for diagnostic |
---|
| 184 | ! damping salinity trends |
---|
| 185 | IF( l_trdtra ) THEN |
---|
| 186 | ztdta(:,:,:) = ta(:,:,:) - ztdta(:,:,:) |
---|
| 187 | ztdsa(:,:,:) = sa(:,:,:) - ztdsa(:,:,:) |
---|
| 188 | CALL trd_mod(ztdta, ztdsa, jpttddoe, 'TRA', kt) |
---|
| 189 | ENDIF |
---|
| 190 | |
---|
[258] | 191 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
| 192 | CALL prt_ctl(tab3d_1=ta, clinfo1=' dmp - Ta: ', mask1=tmask, & |
---|
| 193 | & tab3d_2=sa, clinfo2=' Sa: ', mask2=tmask, clinfo3='tra') |
---|
[3] | 194 | ENDIF |
---|
| 195 | |
---|
| 196 | |
---|
| 197 | END SUBROUTINE tra_dmp |
---|
| 198 | |
---|
| 199 | |
---|
| 200 | SUBROUTINE tra_dmp_init |
---|
| 201 | !!---------------------------------------------------------------------- |
---|
| 202 | !! *** ROUTINE tra_dmp_init *** |
---|
| 203 | !! |
---|
| 204 | !! ** Purpose : Initialization for the newtonian damping |
---|
| 205 | !! |
---|
| 206 | !! ** Method : read the nammbf namelist and check the parameters |
---|
| 207 | !! called by tra_dmp at the first timestep (nit000) |
---|
| 208 | !! |
---|
| 209 | !! History : |
---|
| 210 | !! 8.5 ! 02-08 (G. Madec) Original code |
---|
| 211 | !!---------------------------------------------------------------------- |
---|
| 212 | !! * Local declarations |
---|
| 213 | NAMELIST/namtdp/ ndmp, ndmpf, nmldmp, sdmp, bdmp, hdmp |
---|
| 214 | !!---------------------------------------------------------------------- |
---|
| 215 | |
---|
| 216 | ! Read Namelist namtdp : temperature and salinity damping term |
---|
| 217 | ! -------------------- |
---|
| 218 | REWIND ( numnam ) |
---|
| 219 | READ ( numnam, namtdp ) |
---|
[61] | 220 | IF( lzoom ) nmldmp = 0 ! restoring to climatology at closed north or south boundaries |
---|
[3] | 221 | |
---|
| 222 | ! Parameter control and print |
---|
| 223 | ! --------------------------- |
---|
| 224 | IF(lwp) THEN |
---|
| 225 | WRITE(numout,*) |
---|
| 226 | WRITE(numout,*) 'tra_dmp : T and S newtonian damping' |
---|
| 227 | WRITE(numout,*) '~~~~~~~' |
---|
| 228 | WRITE(numout,*) ' Namelist namtdp : set damping parameter' |
---|
| 229 | WRITE(numout,*) |
---|
| 230 | WRITE(numout,*) ' T and S damping option ndmp = ', ndmp |
---|
| 231 | WRITE(numout,*) ' create a damping.coeff file ndmpf = ', ndmpf |
---|
| 232 | WRITE(numout,*) ' mixed layer damping option nmldmp = ', nmldmp, '(zoom: forced to 0)' |
---|
| 233 | WRITE(numout,*) ' surface time scale (days) sdmp = ', sdmp |
---|
| 234 | WRITE(numout,*) ' bottom time scale (days) bdmp = ', bdmp |
---|
| 235 | WRITE(numout,*) ' depth of transition (meters) hdmp = ', hdmp |
---|
| 236 | WRITE(numout,*) |
---|
| 237 | ENDIF |
---|
| 238 | |
---|
| 239 | SELECT CASE ( ndmp ) |
---|
| 240 | |
---|
| 241 | CASE ( -1 ) ! ORCA: damping in Red & Med Seas only |
---|
| 242 | IF(lwp) WRITE(numout,*) ' tracer damping in the Med & Red seas only' |
---|
| 243 | |
---|
| 244 | CASE ( 1:90 ) ! Damping poleward of 'ndmp' degrees |
---|
| 245 | IF(lwp) WRITE(numout,*) ' tracer damping poleward of', ndmp, ' degrees' |
---|
| 246 | |
---|
| 247 | CASE DEFAULT |
---|
| 248 | IF(lwp) WRITE(numout,cform_err) |
---|
| 249 | IF(lwp) WRITE(numout,*) ' bad flag value for ndmp = ', ndmp |
---|
| 250 | nstop = nstop + 1 |
---|
| 251 | |
---|
| 252 | END SELECT |
---|
| 253 | |
---|
| 254 | |
---|
| 255 | SELECT CASE ( nmldmp ) |
---|
| 256 | |
---|
| 257 | CASE ( 0 ) ! newtonian damping throughout the water column |
---|
| 258 | IF(lwp) WRITE(numout,*) ' tracer damping throughout the water column' |
---|
| 259 | |
---|
| 260 | CASE ( 1 ) ! no damping in the turbocline (avt > 5 cm2/s) |
---|
| 261 | IF(lwp) WRITE(numout,*) ' no tracer damping in the turbocline' |
---|
| 262 | |
---|
| 263 | CASE ( 2 ) ! no damping in the mixed layer |
---|
| 264 | IF(lwp) WRITE(numout,*) ' no tracer damping in the mixed layer' |
---|
| 265 | |
---|
| 266 | CASE DEFAULT |
---|
| 267 | IF(lwp) WRITE(numout,cform_err) |
---|
| 268 | IF(lwp) WRITE(numout,*) ' bad flag value for nmldmp = ', nmldmp |
---|
| 269 | nstop = nstop + 1 |
---|
| 270 | |
---|
| 271 | END SELECT |
---|
| 272 | |
---|
| 273 | IF( .NOT.lk_dtasal .OR. .NOT.lk_dtatem ) THEN |
---|
| 274 | IF(lwp) WRITE(numout,cform_err) |
---|
| 275 | IF(lwp) WRITE(numout,*) ' no temperature and/or salinity data ' |
---|
| 276 | IF(lwp) WRITE(numout,*) ' define key_dtatem and key_dtasal' |
---|
| 277 | nstop = nstop + 1 |
---|
| 278 | ENDIF |
---|
| 279 | |
---|
[61] | 280 | strdmp(:,:,:) = 0.e0 ! internal damping salinity trend (used in ocesbc) |
---|
[3] | 281 | |
---|
[61] | 282 | ! Damping coefficients initialization |
---|
| 283 | ! ----------------------------------- |
---|
| 284 | |
---|
[3] | 285 | IF( lzoom ) THEN |
---|
| 286 | CALL dtacof_zoom |
---|
| 287 | ELSE |
---|
| 288 | CALL dtacof |
---|
| 289 | ENDIF |
---|
| 290 | |
---|
| 291 | END SUBROUTINE tra_dmp_init |
---|
| 292 | |
---|
| 293 | |
---|
| 294 | SUBROUTINE dtacof_zoom |
---|
| 295 | !!---------------------------------------------------------------------- |
---|
| 296 | !! *** ROUTINE dtacof_zoom *** |
---|
| 297 | !! |
---|
| 298 | !! ** Purpose : Compute the damping coefficient for zoom domain |
---|
| 299 | !! |
---|
| 300 | !! ** Method : - set along closed boundary due to zoom a damping over |
---|
| 301 | !! 6 points with a max time scale of 5 days. |
---|
| 302 | !! - ORCA arctic/antarctic zoom: set the damping along |
---|
| 303 | !! south/north boundary over a latitude strip. |
---|
| 304 | !! |
---|
| 305 | !! ** Action : - resto, the damping coeff. for T and S |
---|
| 306 | !! |
---|
| 307 | !! History : |
---|
| 308 | !! 9.0 ! 03-09 (G. Madec) Original code |
---|
| 309 | !!---------------------------------------------------------------------- |
---|
| 310 | !! * Local declarations |
---|
| 311 | INTEGER :: ji, jj, jk, jn ! dummy loop indices |
---|
| 312 | REAL(wp) :: & |
---|
| 313 | zlat, zlat0, zlat1, zlat2 ! temporary scalar |
---|
| 314 | REAL(wp), DIMENSION(6) :: & |
---|
| 315 | zfact ! temporary workspace |
---|
| 316 | !!---------------------------------------------------------------------- |
---|
| 317 | |
---|
| 318 | zfact(1) = 1. |
---|
| 319 | zfact(2) = 1. |
---|
| 320 | zfact(3) = 11./12. |
---|
| 321 | zfact(4) = 8./12. |
---|
| 322 | zfact(5) = 4./12. |
---|
| 323 | zfact(6) = 1./12. |
---|
| 324 | zfact(:) = zfact(:) / ( 5. * rday ) ! 5 days max restoring time scale |
---|
| 325 | |
---|
| 326 | resto(:,:,:) = 0.e0 |
---|
| 327 | |
---|
| 328 | ! damping along the forced closed boundary over 6 grid-points |
---|
| 329 | DO jn = 1, 6 |
---|
[61] | 330 | IF( lzoom_w ) resto( mi0(jn+jpizoom):mi1(jn+jpizoom), : , : ) = zfact(jn) ! west closed |
---|
| 331 | IF( lzoom_s ) resto( : , mj0(jn+jpjzoom):mj1(jn+jpjzoom), : ) = zfact(jn) ! south closed |
---|
| 332 | IF( lzoom_e ) resto( mi0(jpiglo+jpizoom-1-jn):mi1(jpiglo+jpizoom-1-jn) , : , : ) & |
---|
| 333 | & = zfact(jn) ! east closed |
---|
| 334 | IF( lzoom_n ) resto( : , mj0(jpjglo+jpjzoom-1-jn):mj1(jpjglo+jpjzoom-1-jn) , : ) & |
---|
| 335 | & = zfact(jn) ! north closed |
---|
[3] | 336 | END DO |
---|
| 337 | |
---|
| 338 | |
---|
| 339 | IF( lzoom_arct .AND. lzoom_anta ) THEN |
---|
| 340 | |
---|
| 341 | ! ==================================================== |
---|
| 342 | ! ORCA configuration : arctic zoom or antarctic zoom |
---|
| 343 | ! ==================================================== |
---|
| 344 | |
---|
| 345 | IF(lwp) WRITE(numout,*) |
---|
| 346 | IF(lwp .AND. lzoom_arct ) WRITE(numout,*) ' dtacof_zoom : ORCA Arctic zoom' |
---|
| 347 | IF(lwp .AND. lzoom_arct ) WRITE(numout,*) ' dtacof_zoom : ORCA Antarctic zoom' |
---|
| 348 | IF(lwp) WRITE(numout,*) |
---|
| 349 | |
---|
| 350 | ! ... Initialization : |
---|
| 351 | ! zlat0 : latitude strip where resto decreases |
---|
| 352 | ! zlat1 : resto = 1 before zlat1 |
---|
| 353 | ! zlat2 : resto decreases from 1 to 0 between zlat1 and zlat2 |
---|
| 354 | resto(:,:,:) = 0.e0 |
---|
| 355 | zlat0 = 10. |
---|
| 356 | zlat1 = 30. |
---|
| 357 | zlat2 = zlat1 + zlat0 |
---|
| 358 | |
---|
| 359 | ! ... Compute arrays resto ; value for internal damping : 5 days |
---|
| 360 | DO jk = 2, jpkm1 |
---|
| 361 | DO jj = 1, jpj |
---|
| 362 | DO ji = 1, jpi |
---|
| 363 | zlat = ABS( gphit(ji,jj) ) |
---|
| 364 | IF ( zlat1 <= zlat .AND. zlat <= zlat2 ) THEN |
---|
| 365 | resto(ji,jj,jk) = 0.5 * ( 1./(5.*rday) ) * & |
---|
| 366 | ( 1. - cos(rpi*(zlat2-zlat)/zlat0) ) |
---|
| 367 | ELSE IF ( zlat < zlat1 ) THEN |
---|
| 368 | resto(ji,jj,jk) = 1./(5.*rday) |
---|
| 369 | ENDIF |
---|
| 370 | END DO |
---|
| 371 | END DO |
---|
| 372 | END DO |
---|
| 373 | |
---|
| 374 | ENDIF |
---|
| 375 | |
---|
| 376 | ! ... Mask resto array |
---|
| 377 | resto(:,:,:) = resto(:,:,:) * tmask(:,:,:) |
---|
| 378 | |
---|
| 379 | END SUBROUTINE dtacof_zoom |
---|
| 380 | |
---|
| 381 | SUBROUTINE dtacof |
---|
| 382 | !!---------------------------------------------------------------------- |
---|
| 383 | !! *** ROUTINE dtacof *** |
---|
| 384 | !! |
---|
| 385 | !! ** Purpose : Compute the damping coefficient |
---|
| 386 | !! |
---|
| 387 | !! ** Method : Arrays defining the damping are computed for each grid |
---|
| 388 | !! point for temperature and salinity (resto) |
---|
| 389 | !! Damping depends on distance to coast, depth and latitude |
---|
| 390 | !! |
---|
| 391 | !! ** Action : - resto, the damping coeff. for T and S |
---|
| 392 | !! |
---|
| 393 | !! History : |
---|
| 394 | !! 5.0 ! 91-03 (O. Marti, G. Madec) Original code |
---|
| 395 | !! ! 92-06 (M. Imbard) doctor norme |
---|
| 396 | !! ! 96-01 (G. Madec) statement function for e3 |
---|
| 397 | !! ! 98-07 (M. Imbard, G. Madec) ORCA version |
---|
| 398 | !! ! 00-08 (G. Madec, D. Ludicone) |
---|
| 399 | !!---------------------------------------------------------------------- |
---|
| 400 | !! * Modules used |
---|
| 401 | USE ioipsl |
---|
| 402 | |
---|
| 403 | !! * Local declarations |
---|
| 404 | INTEGER :: ji, jj, jk, je ! dummy loop indices |
---|
| 405 | INTEGER, PARAMETER :: jpmois=1 |
---|
| 406 | INTEGER :: ipi, ipj, ipk ! temporary integers |
---|
[32] | 407 | INTEGER :: ii0, ii1, ij0, ij1 ! " " |
---|
[3] | 408 | INTEGER :: & |
---|
| 409 | idmp, & ! logical unit for file restoring damping term |
---|
| 410 | icot ! logical unit for file distance to the coast |
---|
| 411 | INTEGER :: itime, istep(jpmois), ie |
---|
| 412 | LOGICAL :: llbon |
---|
| 413 | CHARACTER (len=32) :: clname, clname2, clname3 |
---|
| 414 | REAL(wp) :: & |
---|
| 415 | zdate0, zinfl, zlon, & ! temporary scalars |
---|
| 416 | zlat, zlat0, zlat1, zlat2, & ! " " |
---|
| 417 | zsdmp, zbdmp ! " " |
---|
| 418 | REAL(wp), DIMENSION(jpk) :: & |
---|
| 419 | zdept, zhfac |
---|
| 420 | REAL(wp), DIMENSION(jpi,jpj) :: & |
---|
| 421 | zmrs, zlamt, zphit |
---|
| 422 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: & |
---|
| 423 | zdct |
---|
| 424 | !!---------------------------------------------------------------------- |
---|
| 425 | |
---|
| 426 | ! ==================================== |
---|
| 427 | ! ORCA configuration : global domain |
---|
| 428 | ! ==================================== |
---|
| 429 | |
---|
| 430 | IF(lwp) WRITE(numout,*) |
---|
| 431 | IF(lwp) WRITE(numout,*) ' dtacof : Global domain of ORCA' |
---|
| 432 | IF(lwp) WRITE(numout,*) ' ------------------------------' |
---|
| 433 | |
---|
| 434 | ! ... Initialization : |
---|
| 435 | ! zdct() : distant to the coastline |
---|
| 436 | ! resto() : array of restoring coeff. on T and S |
---|
| 437 | |
---|
| 438 | zdct (:,:,:) = 0.e0 |
---|
| 439 | resto(:,:,:) = 0.e0 |
---|
| 440 | |
---|
| 441 | IF ( ndmp > 0 ) THEN |
---|
| 442 | |
---|
| 443 | ! ------------------------------------ |
---|
| 444 | ! Damping poleward of 'ndmp' degrees |
---|
| 445 | ! ------------------------------------ |
---|
| 446 | |
---|
| 447 | IF(lwp) WRITE(numout,*) |
---|
| 448 | IF(lwp) WRITE(numout,*) ' Damping poleward of ', ndmp,' deg.' |
---|
| 449 | IF(lwp) WRITE(numout,*) |
---|
| 450 | |
---|
| 451 | ! ... Distance to coast (zdct) |
---|
| 452 | |
---|
| 453 | ! ... Test the existance of distance-to-coast file |
---|
| 454 | itime = jpmois |
---|
| 455 | ipi = jpiglo |
---|
| 456 | ipj = jpjglo |
---|
| 457 | ipk = jpk |
---|
| 458 | clname = 'dist.coast' |
---|
| 459 | DO je = 1,32 |
---|
| 460 | IF( clname(je:je) == ' ' ) go to 140 |
---|
| 461 | END DO |
---|
| 462 | 140 CONTINUE |
---|
| 463 | ie = je |
---|
| 464 | clname2 = clname(1:ie-1)//".nc" |
---|
| 465 | inquire( FILE = clname2, EXIST = llbon ) |
---|
| 466 | |
---|
| 467 | IF ( llbon ) THEN |
---|
| 468 | |
---|
| 469 | ! ... Read file distance to coast if possible |
---|
| 470 | CALL flinopen( clname, mig(1), nlci, mjg(1), nlcj, .false., & |
---|
| 471 | ipi, ipj, ipk, zlamt, zphit, zdept, jpmois, & |
---|
| 472 | istep, zdate0, rdt, icot ) |
---|
| 473 | CALL flinget( icot, 'Tcoast', jpidta, jpjdta, jpk, & |
---|
| 474 | jpmois, 1, 1, mig(1), nlci, mjg(1), nlcj, zdct(1:nlci,1:nlcj,1:jpk) ) |
---|
| 475 | CALL flinclo( icot ) |
---|
| 476 | IF(lwp)WRITE(numout,*) ' ** : File dist.coast.nc read' |
---|
| 477 | |
---|
| 478 | ELSE |
---|
| 479 | |
---|
| 480 | ! ... Compute and save the distance-to-coast array (output in zdct) |
---|
| 481 | CALL cofdis ( zdct ) |
---|
| 482 | |
---|
| 483 | ENDIF |
---|
| 484 | |
---|
| 485 | ! ... Compute arrays resto |
---|
| 486 | ! zinfl : distance of influence for damping term |
---|
| 487 | ! zlat0 : latitude strip where resto decreases |
---|
| 488 | ! zlat1 : resto = 0 between -zlat1 and zlat1 |
---|
| 489 | ! zlat2 : resto increases from 0 to 1 between |zlat1| and |zlat2| |
---|
| 490 | ! and resto = 1 between |zlat2| and 90 deg. |
---|
| 491 | zinfl = 1000.e3 |
---|
| 492 | zlat0 = 10 |
---|
| 493 | zlat1 = ndmp |
---|
| 494 | zlat2 = zlat1 + zlat0 |
---|
| 495 | |
---|
| 496 | DO jj = 1, jpj |
---|
| 497 | DO ji = 1, jpi |
---|
| 498 | zlat = ABS( gphit(ji,jj) ) |
---|
| 499 | IF ( zlat1 <= zlat .AND. zlat <= zlat2 ) THEN |
---|
| 500 | resto(ji,jj,1) = 0.5 * ( 1. - cos(rpi*(zlat-zlat1)/zlat0 ) ) |
---|
| 501 | ELSEIF ( zlat > zlat2 ) THEN |
---|
| 502 | resto(ji,jj,1) = 1. |
---|
| 503 | ENDIF |
---|
| 504 | END DO |
---|
| 505 | END DO |
---|
| 506 | |
---|
| 507 | ! ... North Indian ocean (20N/30N x 45E/100E) : resto=0 |
---|
| 508 | IF ( ndmp == 20 ) THEN |
---|
| 509 | DO jj = 1, jpj |
---|
| 510 | DO ji = 1, jpi |
---|
| 511 | zlat = gphit(ji,jj) |
---|
| 512 | zlon = MOD( glamt(ji,jj), 360. ) |
---|
| 513 | IF ( zlat1 < zlat .AND. zlat < zlat2 .AND. & |
---|
| 514 | 45. < zlon .AND. zlon < 100. ) THEN |
---|
| 515 | resto(ji,jj,1) = 0. |
---|
| 516 | ENDIF |
---|
| 517 | END DO |
---|
| 518 | END DO |
---|
| 519 | ENDIF |
---|
| 520 | |
---|
| 521 | zsdmp = 1./(sdmp * rday) |
---|
| 522 | zbdmp = 1./(bdmp * rday) |
---|
| 523 | DO jk = 2, jpkm1 |
---|
| 524 | DO jj = 1, jpj |
---|
| 525 | DO ji = 1, jpi |
---|
[61] | 526 | zdct(ji,jj,jk) = MIN( zinfl, zdct(ji,jj,jk) ) |
---|
[3] | 527 | |
---|
| 528 | ! ... Decrease the value in the vicinity of the coast |
---|
| 529 | resto(ji,jj,jk) = resto(ji,jj,1)*0.5 & |
---|
[61] | 530 | & * ( 1. - COS( rpi*zdct(ji,jj,jk)/zinfl) ) |
---|
[3] | 531 | |
---|
| 532 | ! ... Vertical variation from zsdmp (sea surface) to zbdmp (bottom) |
---|
[61] | 533 | resto(ji,jj,jk) = resto(ji,jj,jk) & |
---|
| 534 | & * ( zbdmp + (zsdmp-zbdmp)*EXP(-fsdept(ji,jj,jk)/hdmp) ) |
---|
[3] | 535 | END DO |
---|
| 536 | END DO |
---|
| 537 | END DO |
---|
| 538 | |
---|
| 539 | ENDIF |
---|
| 540 | |
---|
| 541 | |
---|
| 542 | IF( cp_cfg == "orca" .AND. ( ndmp > 0 .OR. ndmp == -1 ) ) THEN |
---|
| 543 | |
---|
| 544 | ! ! ========================= |
---|
| 545 | ! ! Med and Red Sea damping |
---|
| 546 | ! ! ========================= |
---|
| 547 | IF(lwp)WRITE(numout,*) |
---|
| 548 | IF(lwp)WRITE(numout,*) ' ORCA configuration: Damping in Med and Red Seas' |
---|
| 549 | |
---|
| 550 | |
---|
| 551 | zmrs(:,:) = 0.e0 ! damping term on the Med or Red Sea |
---|
| 552 | |
---|
| 553 | SELECT CASE ( jp_cfg ) |
---|
| 554 | ! ! ======================= |
---|
| 555 | CASE ( 4 ) ! ORCA_R4 configuration |
---|
| 556 | ! ! ======================= |
---|
| 557 | |
---|
| 558 | ! Mediterranean Sea |
---|
[32] | 559 | ij0 = 50 ; ij1 = 56 |
---|
| 560 | ii0 = 81 ; ii1 = 91 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
| 561 | ij0 = 50 ; ij1 = 55 |
---|
[163] | 562 | ii0 = 75 ; ii1 = 80 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
[32] | 563 | ij0 = 52 ; ij1 = 53 |
---|
| 564 | ii0 = 70 ; ii1 = 74 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
[3] | 565 | ! Smooth transition from 0 at surface to 1./rday at the 18th level in Med and Red Sea |
---|
| 566 | DO jk = 1, 17 |
---|
| 567 | zhfac (jk) = 0.5*( 1.- COS( rpi*(jk-1)/16. ) ) / rday |
---|
| 568 | END DO |
---|
| 569 | DO jk = 18, jpkm1 |
---|
| 570 | zhfac (jk) = 1./rday |
---|
| 571 | END DO |
---|
| 572 | |
---|
| 573 | ! ! ======================= |
---|
| 574 | CASE ( 2 ) ! ORCA_R2 configuration |
---|
| 575 | ! ! ======================= |
---|
| 576 | |
---|
| 577 | ! Mediterranean Sea |
---|
[32] | 578 | ij0 = 96 ; ij1 = 110 |
---|
| 579 | ii0 = 157 ; ii1 = 181 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
| 580 | ij0 = 100 ; ij1 = 110 |
---|
| 581 | ii0 = 144 ; ii1 = 156 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
| 582 | ij0 = 100 ; ij1 = 103 |
---|
| 583 | ii0 = 139 ; ii1 = 143 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
[3] | 584 | ! Decrease before Gibraltar Strait |
---|
[32] | 585 | ij0 = 101 ; ij1 = 102 |
---|
| 586 | ii0 = 139 ; ii1 = 141 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.e0 |
---|
| 587 | ii0 = 142 ; ii1 = 142 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 / 90.e0 |
---|
| 588 | ii0 = 143 ; ii1 = 143 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.40e0 |
---|
| 589 | ii0 = 144 ; ii1 = 144 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.75e0 |
---|
[3] | 590 | ! Red Sea |
---|
[32] | 591 | ij0 = 87 ; ij1 = 96 |
---|
| 592 | ii0 = 147 ; ii1 = 163 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
[3] | 593 | ! Decrease before Bab el Mandeb Strait |
---|
[32] | 594 | ij0 = 91 ; ij1 = 91 |
---|
| 595 | ii0 = 153 ; ii1 = 160 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.80e0 |
---|
| 596 | ij0 = 90 ; ij1 = 90 |
---|
| 597 | ii0 = 153 ; ii1 = 160 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.40e0 |
---|
| 598 | ij0 = 89 ; ij1 = 89 |
---|
| 599 | ii0 = 158 ; ii1 = 160 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 / 90.e0 |
---|
| 600 | ij0 = 88 ; ij1 = 88 |
---|
| 601 | ii0 = 160 ; ii1 = 163 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.e0 |
---|
[3] | 602 | ! Smooth transition from 0 at surface to 1./rday at the 18th level in Med and Red Sea |
---|
| 603 | DO jk = 1, 17 |
---|
| 604 | zhfac (jk) = 0.5*( 1.- COS( rpi*(jk-1)/16. ) ) / rday |
---|
| 605 | END DO |
---|
| 606 | DO jk = 18, jpkm1 |
---|
| 607 | zhfac (jk) = 1./rday |
---|
| 608 | END DO |
---|
| 609 | |
---|
| 610 | ! ! ======================= |
---|
| 611 | CASE ( 05 ) ! ORCA_R05 configuration |
---|
| 612 | ! ! ======================= |
---|
| 613 | |
---|
| 614 | ! Mediterranean Sea |
---|
| 615 | ii0 = 568 ; ii1 = 574 |
---|
| 616 | ij0 = 324 ; ij1 = 333 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
[61] | 617 | ii0 = 575 ; ii1 = 658 |
---|
[3] | 618 | ij0 = 314 ; ij1 = 366 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
| 619 | ! Black Sea (remaining part |
---|
| 620 | ii0 = 641 ; ii1 = 651 |
---|
| 621 | ij0 = 367 ; ij1 = 372 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
| 622 | ! Decrease before Gibraltar Strait |
---|
[225] | 623 | ij0 = 324 ; ij1 = 333 |
---|
| 624 | ii0 = 565 ; ii1 = 565 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 / 90.e0 |
---|
| 625 | ii0 = 566 ; ii1 = 566 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.40 |
---|
| 626 | ii0 = 567 ; ii1 = 567 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 0.75 |
---|
[3] | 627 | ! Red Sea |
---|
| 628 | ii0 = 641 ; ii1 = 665 |
---|
| 629 | ij0 = 270 ; ij1 = 310 ; zmrs( mi0(ii0):mi1(ii1) , mj0(ij0):mj1(ij1) ) = 1.e0 |
---|
| 630 | ! Decrease before Bab el Mandeb Strait |
---|
| 631 | ii0 = 666 ; ii1 = 675 |
---|
| 632 | ij0 = 270 ; ij1 = 290 |
---|
| 633 | DO ji = mi0(ii0), mi1(ii1) |
---|
| 634 | zmrs( ji , mj0(ij0):mj1(ij1) ) = 0.1 * ABS( FLOAT(ji - mi1(ii1)) ) |
---|
| 635 | END DO |
---|
| 636 | zsdmp = 1./(sdmp * rday) |
---|
| 637 | zbdmp = 1./(bdmp * rday) |
---|
| 638 | DO jk = 1, jpk |
---|
| 639 | zhfac (jk) = ( zbdmp + (zsdmp-zbdmp) * EXP(-fsdept(1,1,jk)/hdmp) ) |
---|
| 640 | END DO |
---|
| 641 | |
---|
| 642 | ! ! ======================== |
---|
| 643 | CASE ( 025 ) ! ORCA_R025 configuration |
---|
| 644 | ! ! ======================== |
---|
| 645 | IF(lwp) WRITE(numout,cform_err) |
---|
| 646 | IF(lwp) WRITE(numout,*)' Not yet implemented in ORCA_R025' |
---|
| 647 | nstop = nstop + 1 |
---|
| 648 | |
---|
| 649 | END SELECT |
---|
| 650 | |
---|
| 651 | DO jk = 1, jpkm1 |
---|
| 652 | resto(:,:,jk) = zmrs(:,:) * zhfac(jk) + ( 1. - zmrs(:,:) ) * resto(:,:,jk) |
---|
| 653 | END DO |
---|
| 654 | |
---|
| 655 | ! Mask resto array and set to 0 first and last levels |
---|
| 656 | resto(:,:, : ) = resto(:,:,:) * tmask(:,:,:) |
---|
| 657 | resto(:,:, 1 ) = 0.e0 |
---|
| 658 | resto(:,:,jpk) = 0.e0 |
---|
| 659 | |
---|
| 660 | ELSE |
---|
| 661 | ! ------------ |
---|
| 662 | ! No damping |
---|
| 663 | ! ------------ |
---|
| 664 | IF(lwp) WRITE(numout,cform_err) |
---|
| 665 | IF(lwp) WRITE(numout,*) 'Choose a correct value of ndmp or DO NOT defined key_tradmp' |
---|
| 666 | nstop = nstop + 1 |
---|
| 667 | ENDIF |
---|
| 668 | |
---|
| 669 | ! ---------------------------- |
---|
| 670 | ! Create Print damping array |
---|
| 671 | ! ---------------------------- |
---|
| 672 | |
---|
| 673 | ! ndmpf : = 1 create a damping.coeff NetCDF file |
---|
| 674 | |
---|
| 675 | IF( ndmpf == 1 ) THEN |
---|
| 676 | IF(lwp) WRITE(numout,*) ' create damping.coeff.nc file' |
---|
| 677 | itime = 0 |
---|
| 678 | clname3 = 'damping.coeff' |
---|
| 679 | CALL ymds2ju( 0 , 1 , 1 , 0.e0 , zdate0 ) |
---|
| 680 | CALL restini( 'NONE', jpi , jpj , glamt, gphit, & |
---|
| 681 | jpk , gdept , clname3, itime, zdate0, & |
---|
[352] | 682 | rdt , idmp, domain_id=nidom ) |
---|
[3] | 683 | CALL restput( idmp, 'Resto', jpi, jpj, jpk, & |
---|
| 684 | 0 , resto ) |
---|
| 685 | CALL restclo( idmp ) |
---|
| 686 | ENDIF |
---|
| 687 | |
---|
| 688 | END SUBROUTINE dtacof |
---|
| 689 | |
---|
| 690 | |
---|
| 691 | SUBROUTINE cofdis ( pdct ) |
---|
| 692 | !!---------------------------------------------------------------------- |
---|
| 693 | !! *** ROUTINE cofdis *** |
---|
| 694 | !! |
---|
| 695 | !! ** Purpose : Compute the distance between ocean T-points and the |
---|
| 696 | !! ocean model coastlines. Save the distance in a NetCDF file. |
---|
| 697 | !! |
---|
| 698 | !! ** Method : For each model level, the distance-to-coast is |
---|
| 699 | !! computed as follows : |
---|
| 700 | !! - The coastline is defined as the serie of U-,V-,F-points |
---|
| 701 | !! that are at the ocean-land bound. |
---|
| 702 | !! - For each ocean T-point, the distance-to-coast is then |
---|
| 703 | !! computed as the smallest distance (on the sphere) between the |
---|
| 704 | !! T-point and all the coastline points. |
---|
| 705 | !! - For land T-points, the distance-to-coast is set to zero. |
---|
| 706 | !! C A U T I O N : Computation not yet implemented in mpp case. |
---|
| 707 | !! |
---|
| 708 | !! ** Action : - pdct, distance to the coastline (argument) |
---|
| 709 | !! - NetCDF file 'dist.coast.nc' |
---|
| 710 | !! |
---|
| 711 | !! History : |
---|
| 712 | !! 7.0 ! 01-02 (M. Imbard) Original code |
---|
| 713 | !! 8.1 ! 01-02 (G. Madec, E. Durand) |
---|
| 714 | !! 8.5 ! 02-08 (G. Madec, E. Durand) Free form, F90 |
---|
| 715 | !!---------------------------------------------------------------------- |
---|
| 716 | !! * Modules used |
---|
| 717 | USE ioipsl |
---|
| 718 | |
---|
| 719 | !! * Arguments |
---|
| 720 | REAL(wp), DIMENSION(jpi,jpj,jpk), INTENT( out ) :: & |
---|
| 721 | pdct ! distance to the coastline |
---|
| 722 | |
---|
| 723 | !! * local declarations |
---|
| 724 | INTEGER :: ji, jj, jk, jl ! dummy loop indices |
---|
| 725 | INTEGER :: iju, ijt ! temporary integers |
---|
| 726 | INTEGER :: icoast, itime |
---|
| 727 | INTEGER :: & |
---|
| 728 | icot ! logical unit for file distance to the coast |
---|
| 729 | LOGICAL, DIMENSION(jpi,jpj) :: & |
---|
| 730 | llcotu, llcotv, llcotf ! ??? |
---|
| 731 | CHARACTER (len=32) :: clname |
---|
| 732 | REAL(wp) :: zdate0 |
---|
| 733 | REAL(wp), DIMENSION(jpi,jpj) :: & |
---|
[163] | 734 | zxt, zyt, zzt, & ! cartesian coordinates for T-points |
---|
| 735 | zmask |
---|
[3] | 736 | REAL(wp), DIMENSION(3*jpi*jpj) :: & |
---|
| 737 | zxc, zyc, zzc, zdis ! temporary workspace |
---|
| 738 | !!---------------------------------------------------------------------- |
---|
| 739 | |
---|
| 740 | ! 0. Initialization |
---|
| 741 | ! ----------------- |
---|
| 742 | IF(lwp) WRITE(numout,*) |
---|
| 743 | IF(lwp) WRITE(numout,*) 'cofdis : compute the distance to coastline' |
---|
| 744 | IF(lwp) WRITE(numout,*) '~~~~~~' |
---|
| 745 | IF(lwp) WRITE(numout,*) |
---|
[32] | 746 | IF( lk_mpp ) THEN |
---|
| 747 | IF(lwp) WRITE(numout,cform_err) |
---|
| 748 | IF(lwp) WRITE(numout,*) ' Computation not yet implemented with key_mpp_...' |
---|
| 749 | IF(lwp) WRITE(numout,*) ' Rerun the code on another computer or ' |
---|
| 750 | IF(lwp) WRITE(numout,*) ' create the "dist.coast.nc" file using IDL' |
---|
| 751 | nstop = nstop + 1 |
---|
| 752 | ENDIF |
---|
[3] | 753 | |
---|
| 754 | pdct(:,:,:) = 0.e0 |
---|
| 755 | zxt(:,:) = cos( rad * gphit(:,:) ) * cos( rad * glamt(:,:) ) |
---|
| 756 | zyt(:,:) = cos( rad * gphit(:,:) ) * sin( rad * glamt(:,:) ) |
---|
| 757 | zzt(:,:) = sin( rad * gphit(:,:) ) |
---|
| 758 | |
---|
| 759 | |
---|
| 760 | ! 1. Loop on vertical levels |
---|
| 761 | ! -------------------------- |
---|
| 762 | ! ! =============== |
---|
| 763 | DO jk = 1, jpkm1 ! Horizontal slab |
---|
| 764 | ! ! =============== |
---|
| 765 | ! Define the coastline points (U, V and F) |
---|
| 766 | DO jj = 2, jpjm1 |
---|
| 767 | DO ji = 2, jpim1 |
---|
[163] | 768 | zmask(ji,jj) = ( tmask(ji,jj+1,jk) + tmask(ji+1,jj+1,jk) & |
---|
| 769 | & + tmask(ji,jj ,jk) + tmask(ji+1,jj ,jk) ) |
---|
| 770 | llcotu(ji,jj) = ( tmask(ji,jj, jk) + tmask(ji+1,jj ,jk) == 1. ) |
---|
| 771 | llcotv(ji,jj) = ( tmask(ji,jj ,jk) + tmask(ji ,jj+1,jk) == 1. ) |
---|
| 772 | llcotf(ji,jj) = ( zmask(ji,jj) > 0. ) .AND. ( zmask(ji,jj) < 4. ) |
---|
[3] | 773 | END DO |
---|
| 774 | END DO |
---|
| 775 | |
---|
| 776 | ! Lateral boundaries conditions |
---|
| 777 | llcotu(:, 1 ) = umask(:, 2 ,jk) == 1 |
---|
| 778 | llcotu(:,jpj) = umask(:,jpjm1,jk) == 1 |
---|
| 779 | llcotv(:, 1 ) = vmask(:, 2 ,jk) == 1 |
---|
| 780 | llcotv(:,jpj) = vmask(:,jpjm1,jk) == 1 |
---|
| 781 | llcotf(:, 1 ) = fmask(:, 2 ,jk) == 1 |
---|
| 782 | llcotf(:,jpj) = fmask(:,jpjm1,jk) == 1 |
---|
| 783 | |
---|
| 784 | IF( nperio == 1 .OR. nperio == 4 .OR. nperio == 6 ) THEN |
---|
| 785 | llcotu( 1 ,:) = llcotu(jpim1,:) |
---|
| 786 | llcotu(jpi,:) = llcotu( 2 ,:) |
---|
| 787 | llcotv( 1 ,:) = llcotv(jpim1,:) |
---|
| 788 | llcotv(jpi,:) = llcotv( 2 ,:) |
---|
| 789 | llcotf( 1 ,:) = llcotf(jpim1,:) |
---|
| 790 | llcotf(jpi,:) = llcotf( 2 ,:) |
---|
| 791 | ELSE |
---|
| 792 | llcotu( 1 ,:) = umask( 2 ,:,jk) == 1 |
---|
| 793 | llcotu(jpi,:) = umask(jpim1,:,jk) == 1 |
---|
| 794 | llcotv( 1 ,:) = vmask( 2 ,:,jk) == 1 |
---|
| 795 | llcotv(jpi,:) = vmask(jpim1,:,jk) == 1 |
---|
| 796 | llcotf( 1 ,:) = fmask( 2 ,:,jk) == 1 |
---|
| 797 | llcotf(jpi,:) = fmask(jpim1,:,jk) == 1 |
---|
| 798 | ENDIF |
---|
| 799 | IF( nperio == 3 .OR. nperio == 4 ) THEN |
---|
| 800 | DO ji = 1, jpim1 |
---|
| 801 | iju = jpi - ji + 1 |
---|
| 802 | llcotu(ji,jpj ) = llcotu(iju,jpj-2) |
---|
| 803 | llcotf(ji,jpj-1) = llcotf(iju,jpj-2) |
---|
| 804 | llcotf(ji,jpj ) = llcotf(iju,jpj-3) |
---|
| 805 | END DO |
---|
| 806 | DO ji = jpi/2, jpi-1 |
---|
| 807 | iju = jpi - ji + 1 |
---|
| 808 | llcotu(ji,jpjm1) = llcotu(iju,jpjm1) |
---|
| 809 | END DO |
---|
| 810 | DO ji = 2, jpi |
---|
| 811 | ijt = jpi - ji + 2 |
---|
| 812 | llcotv(ji,jpj-1) = llcotv(ijt,jpj-2) |
---|
| 813 | llcotv(ji,jpj ) = llcotv(ijt,jpj-3) |
---|
| 814 | END DO |
---|
| 815 | ENDIF |
---|
| 816 | IF( nperio == 5 .OR. nperio == 6 ) THEN |
---|
| 817 | DO ji = 1, jpim1 |
---|
| 818 | iju = jpi - ji |
---|
| 819 | llcotu(ji,jpj ) = llcotu(iju,jpj-1) |
---|
| 820 | llcotf(ji,jpj ) = llcotf(iju,jpj-2) |
---|
| 821 | END DO |
---|
| 822 | DO ji = jpi/2, jpi-1 |
---|
| 823 | iju = jpi - ji |
---|
| 824 | llcotf(ji,jpjm1) = llcotf(iju,jpjm1) |
---|
| 825 | END DO |
---|
| 826 | DO ji = 1, jpi |
---|
| 827 | ijt = jpi - ji + 1 |
---|
| 828 | llcotv(ji,jpj ) = llcotv(ijt,jpj-1) |
---|
| 829 | END DO |
---|
| 830 | DO ji = jpi/2+1, jpi |
---|
| 831 | ijt = jpi - ji + 1 |
---|
| 832 | llcotv(ji,jpjm1) = llcotv(ijt,jpjm1) |
---|
| 833 | END DO |
---|
| 834 | ENDIF |
---|
| 835 | |
---|
| 836 | ! Compute cartesian coordinates of coastline points |
---|
| 837 | ! and the number of coastline points |
---|
| 838 | |
---|
| 839 | icoast = 0 |
---|
| 840 | DO jj = 1, jpj |
---|
| 841 | DO ji = 1, jpi |
---|
| 842 | IF( llcotf(ji,jj) ) THEN |
---|
| 843 | icoast = icoast + 1 |
---|
| 844 | zxc(icoast) = COS( rad*gphif(ji,jj) ) * COS( rad*glamf(ji,jj) ) |
---|
| 845 | zyc(icoast) = COS( rad*gphif(ji,jj) ) * SIN( rad*glamf(ji,jj) ) |
---|
| 846 | zzc(icoast) = SIN( rad*gphif(ji,jj) ) |
---|
| 847 | ENDIF |
---|
| 848 | IF( llcotu(ji,jj) ) THEN |
---|
| 849 | icoast = icoast+1 |
---|
| 850 | zxc(icoast) = COS( rad*gphiu(ji,jj) ) * COS( rad*glamu(ji,jj) ) |
---|
| 851 | zyc(icoast) = COS( rad*gphiu(ji,jj) ) * SIN( rad*glamu(ji,jj) ) |
---|
| 852 | zzc(icoast) = SIN( rad*gphiu(ji,jj) ) |
---|
| 853 | ENDIF |
---|
| 854 | IF( llcotv(ji,jj) ) THEN |
---|
| 855 | icoast = icoast+1 |
---|
| 856 | zxc(icoast) = COS( rad*gphiv(ji,jj) ) * COS( rad*glamv(ji,jj) ) |
---|
| 857 | zyc(icoast) = COS( rad*gphiv(ji,jj) ) * SIN( rad*glamv(ji,jj) ) |
---|
| 858 | zzc(icoast) = SIN( rad*gphiv(ji,jj) ) |
---|
| 859 | ENDIF |
---|
| 860 | END DO |
---|
| 861 | END DO |
---|
| 862 | |
---|
| 863 | ! Distance for the T-points |
---|
| 864 | |
---|
| 865 | DO jj = 1, jpj |
---|
| 866 | DO ji = 1, jpi |
---|
| 867 | IF( tmask(ji,jj,jk) == 0. ) THEN |
---|
| 868 | pdct(ji,jj,jk) = 0. |
---|
| 869 | ELSE |
---|
| 870 | DO jl = 1, icoast |
---|
| 871 | zdis(jl) = ( zxt(ji,jj) - zxc(jl) )**2 & |
---|
| 872 | + ( zyt(ji,jj) - zyc(jl) )**2 & |
---|
| 873 | + ( zzt(ji,jj) - zzc(jl) )**2 |
---|
| 874 | END DO |
---|
| 875 | pdct(ji,jj,jk) = ra * SQRT( MINVAL( zdis(1:icoast) ) ) |
---|
| 876 | ENDIF |
---|
| 877 | END DO |
---|
| 878 | END DO |
---|
| 879 | ! ! =============== |
---|
| 880 | END DO ! End of slab |
---|
| 881 | ! ! =============== |
---|
| 882 | |
---|
| 883 | |
---|
| 884 | ! 2. Create the distance to the coast file in NetCDF format |
---|
| 885 | ! ---------------------------------------------------------- |
---|
| 886 | clname = 'dist.coast' |
---|
| 887 | itime = 0 |
---|
| 888 | CALL ymds2ju( 0 , 1 , 1 , 0.e0 , zdate0 ) |
---|
| 889 | CALL restini( 'NONE', jpi , jpj , glamt, gphit , & |
---|
| 890 | jpk , gdept , clname, itime, zdate0, & |
---|
| 891 | rdt , icot ) |
---|
| 892 | CALL restput( icot, 'Tcoast', jpi, jpj, jpk, 0, pdct ) |
---|
| 893 | CALL restclo( icot ) |
---|
| 894 | |
---|
| 895 | END SUBROUTINE cofdis |
---|
| 896 | |
---|
| 897 | #else |
---|
| 898 | !!---------------------------------------------------------------------- |
---|
| 899 | !! Default key NO internal damping |
---|
| 900 | !!---------------------------------------------------------------------- |
---|
[32] | 901 | LOGICAL , PUBLIC, PARAMETER :: lk_tradmp = .FALSE. !: internal damping flag |
---|
[3] | 902 | CONTAINS |
---|
| 903 | SUBROUTINE tra_dmp( kt ) ! Empty routine |
---|
[32] | 904 | WRITE(*,*) 'tra_dmp: You should not have seen this print! error?', kt |
---|
[3] | 905 | END SUBROUTINE tra_dmp |
---|
| 906 | #endif |
---|
| 907 | |
---|
| 908 | !!====================================================================== |
---|
| 909 | END MODULE tradmp |
---|