[11553] | 1 | MODULE isfcpl |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE isfcpl *** |
---|
| 4 | !! |
---|
| 5 | !! iceshelf coupling module : module managing the coupling between NEMO and an ice sheet model |
---|
| 6 | !! |
---|
| 7 | !!====================================================================== |
---|
| 8 | !! History : 4.1 ! 2019-07 (P. Mathiot) Original code |
---|
| 9 | !!---------------------------------------------------------------------- |
---|
| 10 | |
---|
| 11 | !!---------------------------------------------------------------------- |
---|
| 12 | !! isfrst : read/write iceshelf variables in/from restart |
---|
| 13 | !!---------------------------------------------------------------------- |
---|
| 14 | USE oce ! ocean dynamics and tracers |
---|
| 15 | USE isf ! ice shelf variable |
---|
| 16 | USE isfutils ! debuging |
---|
| 17 | USE lib_mpp ! mpp routine |
---|
[11823] | 18 | USE domvvl ! vertical scale factor interpolation |
---|
[11553] | 19 | ! |
---|
| 20 | USE in_out_manager ! I/O manager |
---|
| 21 | USE iom ! I/O library |
---|
| 22 | ! |
---|
| 23 | IMPLICIT NONE |
---|
| 24 | |
---|
| 25 | PRIVATE |
---|
| 26 | |
---|
| 27 | PUBLIC isfcpl_rst_write, isfcpl_init ! iceshelf restart read and write |
---|
| 28 | PUBLIC isfcpl_ssh, isfcpl_tra, isfcpl_vol, isfcpl_cons |
---|
| 29 | |
---|
| 30 | TYPE isfcons |
---|
| 31 | INTEGER :: ii ! i global |
---|
| 32 | INTEGER :: jj ! j global |
---|
| 33 | INTEGER :: kk ! k level |
---|
| 34 | REAL(wp):: dvol ! volume increment |
---|
| 35 | REAL(wp):: dsal ! salt increment |
---|
| 36 | REAL(wp):: dtem ! heat increment |
---|
| 37 | REAL(wp):: lon ! lon |
---|
| 38 | REAL(wp):: lat ! lat |
---|
| 39 | INTEGER :: ngb ! 0/1 (valid location or not (ie on halo or no neigbourg)) |
---|
| 40 | END TYPE |
---|
| 41 | ! |
---|
| 42 | !!---------------------------------------------------------------------- |
---|
| 43 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
---|
| 44 | !! $Id: sbcisf.F90 10536 2019-01-16 19:21:09Z mathiot $ |
---|
| 45 | !! Software governed by the CeCILL license (see ./LICENSE) |
---|
| 46 | !!---------------------------------------------------------------------- |
---|
| 47 | CONTAINS |
---|
| 48 | SUBROUTINE isfcpl_init() |
---|
| 49 | ! |
---|
| 50 | CALL isf_alloc_cpl() |
---|
| 51 | ! |
---|
| 52 | ! extrapolation ssh |
---|
| 53 | CALL isfcpl_ssh() |
---|
| 54 | ! |
---|
| 55 | ! extrapolation tracer properties |
---|
| 56 | CALL isfcpl_tra() |
---|
| 57 | ! |
---|
| 58 | ! correction of the horizontal divergence and associated temp. and salt content flux |
---|
| 59 | CALL isfcpl_vol() |
---|
| 60 | ! |
---|
| 61 | ! apply the 'conservation' method |
---|
| 62 | IF ( ln_isfcpl_cons ) CALL isfcpl_cons() |
---|
| 63 | ! |
---|
| 64 | ! mask velocity properly (mask used in restart not compatible with new mask) |
---|
[11823] | 65 | un(:,:,:) = un(:,:,:) * umask(:,:,:) |
---|
| 66 | vn(:,:,:) = vn(:,:,:) * vmask(:,:,:) |
---|
[11553] | 67 | ! |
---|
| 68 | ! Need to : - include in the cpl cons the risfcpl_vol/tsc contribution |
---|
| 69 | ! - decide how to manage thickness level change in conservation |
---|
| 70 | ! |
---|
| 71 | END SUBROUTINE isfcpl_init |
---|
| 72 | ! |
---|
| 73 | SUBROUTINE isfcpl_rst_write(kt) |
---|
| 74 | !!--------------------------------------------------------------------- |
---|
| 75 | !! isfrst_cpl_write : write icesheet coupling variables in restart |
---|
| 76 | !!--------------------------------------------------------------------- |
---|
| 77 | !!-------------------------- OUT -------------------------------------- |
---|
| 78 | !!-------------------------- IN -------------------------------------- |
---|
| 79 | INTEGER, INTENT(in) :: kt |
---|
| 80 | !!---------------------------------------------------------------------- |
---|
| 81 | !!---------------------------------------------------------------------- |
---|
| 82 | ! |
---|
| 83 | IF( lwxios ) CALL iom_swap( cwxios_context ) |
---|
| 84 | CALL iom_rstput( kt, nitrst, numrow, 'tmask' , tmask , ldxios = lwxios ) |
---|
| 85 | CALL iom_rstput( kt, nitrst, numrow, 'ssmask' , ssmask, ldxios = lwxios ) |
---|
| 86 | CALL iom_rstput( kt, nitrst, numrow, 'e3t_n' , e3t_n , ldxios = lwxios ) |
---|
| 87 | CALL iom_rstput( kt, nitrst, numrow, 'e3u_n' , e3u_n , ldxios = lwxios ) |
---|
| 88 | CALL iom_rstput( kt, nitrst, numrow, 'e3v_n' , e3v_n , ldxios = lwxios ) |
---|
| 89 | CALL iom_rstput( kt, nitrst, numrow, 'gdepw_n', gdepw_n , ldxios = lwxios ) |
---|
| 90 | IF( lwxios ) CALL iom_swap( cxios_context ) |
---|
| 91 | ! |
---|
| 92 | END SUBROUTINE isfcpl_rst_write |
---|
| 93 | |
---|
[11823] | 94 | SUBROUTINE isfcpl_ssh |
---|
[11553] | 95 | !!---------------------------------------------------------------------- |
---|
| 96 | !! *** ROUTINE iscpl_ssh *** |
---|
| 97 | !! |
---|
| 98 | !! ** Purpose : basic guess of ssh in new wet cell during coupling step |
---|
| 99 | !! |
---|
| 100 | !! ** Method : basic extrapolation from neigbourg cells |
---|
| 101 | !! |
---|
| 102 | !!---------------------------------------------------------------------- |
---|
| 103 | !!-------------------------- OUT -------------------------------------- |
---|
| 104 | !!-------------------------- IN -------------------------------------- |
---|
| 105 | !!---------------------------------------------------------------------- |
---|
| 106 | !! |
---|
| 107 | INTEGER :: ji, jj, jd !! loop index |
---|
| 108 | INTEGER :: jip1, jim1, jjp1, jjm1 |
---|
| 109 | !! |
---|
| 110 | REAL(wp):: zsummsk |
---|
| 111 | REAL(wp), DIMENSION(jpi,jpj) :: zdssmask, zssmask0, zssmask_b, zssh |
---|
| 112 | !!---------------------------------------------------------------------- |
---|
| 113 | ! |
---|
| 114 | CALL iom_get( numror, jpdom_autoglo, 'ssmask' , zssmask_b, ldxios = lrxios ) ! need to extrapolate T/S |
---|
| 115 | |
---|
| 116 | ! compute new ssh if we open a full water column |
---|
| 117 | ! rude average of the closest neigbourgs (e1e2t not taking into account) |
---|
| 118 | ! |
---|
| 119 | zssh(:,:) = sshn(:,:) |
---|
| 120 | zssmask0(:,:) = zssmask_b(:,:) |
---|
| 121 | ! |
---|
| 122 | DO jd = 1, nn_drown |
---|
| 123 | ! |
---|
| 124 | zdssmask(:,:) = ssmask(:,:) - zssmask0(:,:) |
---|
| 125 | DO jj = 2,jpj-1 |
---|
| 126 | DO ji = 2,jpi-1 |
---|
| 127 | jip1=ji+1; jim1=ji-1; |
---|
| 128 | jjp1=jj+1; jjm1=jj-1; |
---|
| 129 | ! |
---|
| 130 | zsummsk = zssmask0(jip1,jj) + zssmask0(jim1,jj) + zssmask0(ji,jjp1) + zssmask0(ji,jjm1) |
---|
| 131 | ! |
---|
| 132 | IF (zdssmask(ji,jj) == 1._wp .AND. zsummsk /= 0._wp) THEN |
---|
| 133 | sshn(ji,jj)=( zssh(jip1,jj)*zssmask0(jip1,jj) & |
---|
| 134 | & + zssh(jim1,jj)*zssmask0(jim1,jj) & |
---|
| 135 | & + zssh(ji,jjp1)*zssmask0(ji,jjp1) & |
---|
| 136 | & + zssh(ji,jjm1)*zssmask0(ji,jjm1)) / zsummsk |
---|
| 137 | zssmask_b(ji,jj) = 1._wp |
---|
| 138 | ENDIF |
---|
| 139 | END DO |
---|
| 140 | END DO |
---|
| 141 | ! |
---|
| 142 | zssh(:,:) = sshn(:,:) |
---|
| 143 | zssmask0(:,:) = zssmask_b(:,:) |
---|
| 144 | ! |
---|
| 145 | CALL lbc_lnk_multi( 'iscplrst', zssh, 'T', 1., zssmask0, 'T', 1. ) |
---|
| 146 | ! |
---|
| 147 | END DO |
---|
| 148 | ! |
---|
| 149 | ! update sshn |
---|
| 150 | sshn(:,:) = zssh(:,:) * ssmask(:,:) |
---|
| 151 | ! |
---|
| 152 | sshb(:,:) = sshn(:,:) |
---|
| 153 | ! |
---|
[11823] | 154 | ! recompute the vertical scale factor, depth and water thickness |
---|
| 155 | CALL dom_vvl_zgr |
---|
| 156 | ! |
---|
[11553] | 157 | END SUBROUTINE isfcpl_ssh |
---|
| 158 | |
---|
[11823] | 159 | SUBROUTINE isfcpl_tra |
---|
[11553] | 160 | !!---------------------------------------------------------------------- |
---|
| 161 | !! *** ROUTINE iscpl_tra *** |
---|
| 162 | !! |
---|
| 163 | !! ** Purpose : compute new tn, sn in case of evolving geometry of ice shelves |
---|
| 164 | !! |
---|
| 165 | !! ** Method : tn, sn : basic extrapolation from neigbourg cells |
---|
| 166 | !! |
---|
| 167 | !!---------------------------------------------------------------------- |
---|
| 168 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztmask_b |
---|
| 169 | !REAL(wp), DIMENSION(:,:,: ), INTENT(in ) :: pdepw_b !! depth w before |
---|
| 170 | !! |
---|
| 171 | INTEGER :: ji, jj, jk, jd !! loop index |
---|
| 172 | INTEGER :: jip1, jim1, jjp1, jjm1, jkp1, jkm1 |
---|
| 173 | !! |
---|
| 174 | REAL(wp):: zsummsk |
---|
| 175 | REAL(wp):: zdz, zdzm1, zdzp1 |
---|
| 176 | !! |
---|
| 177 | REAL(wp), DIMENSION(jpi,jpj) :: zdmask |
---|
| 178 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztmask0, zwmaskn |
---|
| 179 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztmask1, zwmaskb, ztmp3d |
---|
| 180 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpts) :: zts0 |
---|
| 181 | !!---------------------------------------------------------------------- |
---|
| 182 | ! |
---|
| 183 | IF(lwp) WRITE(numout,*) ' isfrst_cpl_read: read ice sheet coupling restart variable ' |
---|
| 184 | IF(lwp) WRITE(numout,*) ' ~~~~~~~~~~~~~~~' |
---|
| 185 | IF(lwp) WRITE(numout,*) '' |
---|
| 186 | ! |
---|
| 187 | CALL iom_get( numror, jpdom_autoglo, 'tmask' , ztmask_b, ldxios = lrxios ) ! need to extrapolate T/S |
---|
| 188 | !CALL iom_get( numror, jpdom_autoglo, 'wmask' , zwmask_b, ldxios = lrxios ) ! need to extrapolate T/S |
---|
| 189 | !CALL iom_get( numror, jpdom_autoglo, 'gdepw_n', zdepw_b(:,:,:), ldxios = lrxios ) ! need to interpol vertical profile (vvl) |
---|
| 190 | ! |
---|
| 191 | ! |
---|
| 192 | ! compute new T/S (interpolation) if vvl only for common wet cell in before and after wmask |
---|
| 193 | !PM: Is this IF needed since change to VVL by default |
---|
| 194 | !bugged : to be corrected (PM) |
---|
| 195 | ! back up original t/s/mask |
---|
| 196 | !tsb (:,:,:,:) = tsn(:,:,:,:) |
---|
| 197 | ! |
---|
| 198 | ! compute new T/S (interpolation) if vvl only for common wet cell in before and after wmask |
---|
| 199 | |
---|
| 200 | ! IF (.NOT.ln_linssh) THEN |
---|
| 201 | ! DO jk = 2,jpk-1 |
---|
| 202 | ! DO jj = 1,jpj |
---|
| 203 | ! DO ji = 1,jpi |
---|
| 204 | ! IF (wmask(ji,jj,jk) * zwmaskb(ji,jj,jk) == 1._wp .AND. (tmask(ji,jj,1)==0._wp .OR. ztmask_b(ji,jj,1)==0._wp) ) THEN |
---|
| 205 | ! |
---|
| 206 | ! !compute weight |
---|
| 207 | ! zdzp1 = MAX(0._wp,pdepw_b(ji,jj,jk+1) - gdepw_n(ji,jj,jk+1)) |
---|
| 208 | ! zdzm1 = MAX(0._wp,gdepw_n(ji,jj,jk ) - pdepw_b(ji,jj,jk )) |
---|
| 209 | ! zdz = e3t_n(ji,jj,jk) - zdzp1 - zdzm1 ! if isf : e3t = gdepw_n(ji,jj,jk+1)- gdepw_n(ji,jj,jk) |
---|
| 210 | ! |
---|
| 211 | ! IF (zdz .LT. 0._wp) THEN |
---|
| 212 | ! CALL ctl_stop( 'STOP', 'rst_iscpl : unable to compute the interpolation' ) |
---|
| 213 | ! END IF |
---|
| 214 | ! |
---|
| 215 | ! tsn(ji,jj,jk,jp_tem) = ( zdzp1*tsb(ji,jj,jk+1,jp_tem) & |
---|
| 216 | ! & + zdz *tsb(ji,jj,jk ,jp_tem) & |
---|
| 217 | ! & + zdzm1*tsb(ji,jj,jk-1,jp_tem) )/e3t_n(ji,jj,jk) |
---|
| 218 | ! |
---|
| 219 | ! tsn(ji,jj,jk,jp_sal) = ( zdzp1*tsb(ji,jj,jk+1,jp_sal) & |
---|
| 220 | ! & + zdz *tsb(ji,jj,jk ,jp_sal) & |
---|
| 221 | ! & + zdzm1*tsb(ji,jj,jk-1,jp_sal) )/e3t_n(ji,jj,jk) |
---|
| 222 | ! |
---|
| 223 | ! END IF |
---|
| 224 | ! END DO |
---|
| 225 | ! END DO |
---|
| 226 | ! END DO |
---|
| 227 | ! END IF |
---|
| 228 | |
---|
| 229 | zts0(:,:,:,:) = tsn(:,:,:,:) |
---|
| 230 | ztmask0(:,:,:) = ztmask_b(:,:,:) |
---|
| 231 | ztmask1(:,:,:) = ztmask_b(:,:,:) |
---|
| 232 | ! |
---|
| 233 | ! iterate the extrapolation processes nn_drown times |
---|
| 234 | DO jd = 1,nn_drown ! resolution dependent (OK for ISOMIP+ case) |
---|
| 235 | DO jk = 1,jpk-1 |
---|
| 236 | ! |
---|
| 237 | ! define new wet cell |
---|
| 238 | zdmask(:,:) = tmask(:,:,jk) - ztmask0(:,:,jk); |
---|
| 239 | ! |
---|
| 240 | DO jj = 2,jpj-1 |
---|
| 241 | DO ji = 2,jpi-1 |
---|
| 242 | jip1=ji+1; jim1=ji-1; |
---|
| 243 | jjp1=jj+1; jjm1=jj-1; |
---|
| 244 | ! |
---|
| 245 | ! check if a wet neigbourg cell is present |
---|
| 246 | zsummsk = ztmask0(jip1,jj ,jk) + ztmask0(jim1,jj ,jk) & |
---|
| 247 | + ztmask0(ji ,jjp1,jk) + ztmask0(ji ,jjm1,jk) |
---|
| 248 | ! |
---|
| 249 | ! if neigbourg wet cell available at the same level |
---|
| 250 | IF ( zdmask(ji,jj) == 1._wp .AND. zsummsk /= 0._wp ) THEN |
---|
| 251 | ! |
---|
| 252 | ! horizontal basic extrapolation |
---|
| 253 | tsn(ji,jj,jk,1)=( zts0(jip1,jj ,jk,1) * ztmask0(jip1,jj ,jk) & |
---|
| 254 | & + zts0(jim1,jj ,jk,1) * ztmask0(jim1,jj ,jk) & |
---|
| 255 | & + zts0(ji ,jjp1,jk,1) * ztmask0(ji ,jjp1,jk) & |
---|
| 256 | & + zts0(ji ,jjm1,jk,1) * ztmask0(ji ,jjm1,jk) ) / zsummsk |
---|
| 257 | tsn(ji,jj,jk,2)=( zts0(jip1,jj ,jk,2) * ztmask0(jip1,jj ,jk) & |
---|
| 258 | & + zts0(jim1,jj ,jk,2) * ztmask0(jim1,jj ,jk) & |
---|
| 259 | & + zts0(ji ,jjp1,jk,2) * ztmask0(ji ,jjp1,jk) & |
---|
| 260 | & + zts0(ji ,jjm1,jk,2) * ztmask0(ji ,jjm1,jk) ) / zsummsk |
---|
| 261 | ! |
---|
| 262 | ! update mask for next pass |
---|
| 263 | ztmask1(ji,jj,jk)=1 |
---|
| 264 | ! |
---|
| 265 | ! in case no neigbourg wet cell available at the same level |
---|
| 266 | ! check if a wet cell is available below |
---|
| 267 | ELSEIF (zdmask(ji,jj) == 1._wp .AND. zsummsk == 0._wp) THEN |
---|
| 268 | ! |
---|
| 269 | ! vertical extrapolation if horizontal extrapolation failed |
---|
| 270 | jkm1=max(1,jk-1) ; jkp1=min(jpk,jk+1) |
---|
| 271 | ! |
---|
| 272 | ! check if a wet neigbourg cell is present |
---|
| 273 | zsummsk = ztmask0(ji,jj,jkm1) + ztmask0(ji,jj,jkp1) |
---|
| 274 | IF (zdmask(ji,jj) == 1._wp .AND. zsummsk /= 0._wp ) THEN |
---|
| 275 | tsn(ji,jj,jk,1)=( zts0(ji,jj,jkp1,1)*ztmask0(ji,jj,jkp1) & |
---|
| 276 | & + zts0(ji,jj,jkm1,1)*ztmask0(ji,jj,jkm1)) / zsummsk |
---|
| 277 | tsn(ji,jj,jk,2)=( zts0(ji,jj,jkp1,2)*ztmask0(ji,jj,jkp1) & |
---|
| 278 | & + zts0(ji,jj,jkm1,2)*ztmask0(ji,jj,jkm1)) / zsummsk |
---|
| 279 | ! |
---|
| 280 | ! update mask for next pass |
---|
| 281 | ztmask1(ji,jj,jk)=1._wp |
---|
| 282 | END IF |
---|
| 283 | END IF |
---|
| 284 | END DO |
---|
| 285 | END DO |
---|
| 286 | END DO |
---|
| 287 | ! |
---|
| 288 | ! update temperature and salinity and mask |
---|
| 289 | zts0(:,:,:,:) = tsn(:,:,:,:) |
---|
| 290 | ztmask0(:,:,:) = ztmask1(:,:,:) |
---|
| 291 | ! |
---|
| 292 | CALL lbc_lnk_multi( 'iscplrst', zts0(:,:,:,jp_tem), 'T', 1., zts0(:,:,:,jp_sal), 'T', 1., ztmask0, 'T', 1.) |
---|
| 293 | ! |
---|
| 294 | END DO ! nn_drown |
---|
| 295 | ! |
---|
| 296 | ! mask new tsn field |
---|
| 297 | tsn(:,:,:,jp_tem) = zts0(:,:,:,jp_tem) * tmask(:,:,:) |
---|
| 298 | tsn(:,:,:,jp_sal) = zts0(:,:,:,jp_sal) * tmask(:,:,:) |
---|
| 299 | ! |
---|
[11823] | 300 | tsb(:,:,:,:) = tsn(:,:,:,:) |
---|
| 301 | ! |
---|
[11553] | 302 | ! sanity check |
---|
| 303 | ! ----------------------------------------------------------------------------------------- |
---|
| 304 | ! case we open a cell but no neigbour cells available to get an estimate of T and S |
---|
| 305 | DO jk = 1,jpk-1 |
---|
| 306 | DO jj = 1,jpj |
---|
| 307 | DO ji = 1,jpi |
---|
| 308 | IF (tmask(ji,jj,jk) == 1._wp .AND. tsn(ji,jj,jk,2) == 0._wp) & |
---|
| 309 | & CALL ctl_stop('STOP', 'failing to fill all new weet cell, & |
---|
| 310 | & try increase nn_drown or activate XXXX & |
---|
| 311 | & in your domain cfg computation' ) |
---|
| 312 | END DO |
---|
| 313 | END DO |
---|
| 314 | END DO |
---|
| 315 | ! |
---|
| 316 | END SUBROUTINE isfcpl_tra |
---|
| 317 | |
---|
| 318 | SUBROUTINE isfcpl_vol |
---|
| 319 | !!---------------------------------------------------------------------- |
---|
| 320 | !! *** ROUTINE iscpl_vol *** |
---|
| 321 | !! |
---|
| 322 | !! ** Purpose : |
---|
| 323 | !! |
---|
| 324 | !! |
---|
| 325 | !! ** Method : |
---|
| 326 | !! |
---|
| 327 | !!---------------------------------------------------------------------- |
---|
| 328 | !! |
---|
| 329 | INTEGER :: ji, jj, jk |
---|
| 330 | INTEGER :: ikb, ikt |
---|
| 331 | !! |
---|
| 332 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: zqvolb, zqvoln |
---|
| 333 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztmask_b |
---|
| 334 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ze3u_b, ze3v_b |
---|
| 335 | !!---------------------------------------------------------------------- |
---|
| 336 | ! |
---|
| 337 | CALL iom_get( numror, jpdom_autoglo, 'tmask' , ztmask_b, ldxios = lrxios ) ! need to extrapolate T/S |
---|
| 338 | CALL iom_get( numror, jpdom_autoglo, 'e3u_n' , ze3u_b , ldxios = lrxios ) |
---|
| 339 | CALL iom_get( numror, jpdom_autoglo, 'e3v_n' , ze3v_b , ldxios = lrxios ) |
---|
| 340 | ! |
---|
| 341 | ! get volume flux before coupling (>0 out) |
---|
| 342 | DO jk = 1, jpk ! Horizontal slab |
---|
| 343 | DO jj = 2, jpjm1 |
---|
| 344 | DO ji = 2, jpim1 |
---|
| 345 | zqvolb(ji,jj,jk) = ( e2u(ji,jj) * ze3u_b(ji,jj,jk) * un(ji,jj,jk) - e2u(ji-1,jj ) * ze3u_b(ji-1,jj ,jk) * un(ji-1,jj ,jk) & |
---|
| 346 | & + e1v(ji,jj) * ze3v_b(ji,jj,jk) * vn(ji,jj,jk) - e1v(ji ,jj-1) * ze3v_b(ji ,jj-1,jk) * vn(ji ,jj-1,jk) ) & |
---|
| 347 | & * ztmask_b(ji,jj,jk) |
---|
| 348 | END DO |
---|
| 349 | ENDDO |
---|
| 350 | ! |
---|
| 351 | ! properly mask velocity |
---|
| 352 | ! (velocity are still mask with old mask at this stage) |
---|
| 353 | un(:,:,jk) = un(:,:,jk) * umask(:,:,jk) |
---|
| 354 | vn(:,:,jk) = vn(:,:,jk) * vmask(:,:,jk) |
---|
| 355 | ! |
---|
| 356 | ! get volume flux after coupling (>0 out) |
---|
| 357 | DO jj = 2, jpjm1 |
---|
| 358 | DO ji = 2, jpim1 |
---|
| 359 | zqvoln(ji,jj,jk) = ( e2u(ji,jj) * e3u_n(ji,jj,jk) * un(ji,jj,jk) - e2u(ji-1,jj ) * e3u_n(ji-1,jj ,jk) * un(ji-1,jj ,jk) & |
---|
| 360 | & + e1v(ji,jj) * e3v_n(ji,jj,jk) * vn(ji,jj,jk) - e1v(ji ,jj-1) * e3v_n(ji ,jj-1,jk) * vn(ji ,jj-1,jk) ) & |
---|
| 361 | & * tmask(ji,jj,jk) |
---|
| 362 | END DO |
---|
| 363 | ENDDO |
---|
| 364 | ! |
---|
| 365 | ! get 3d volume flux difference (before - after cpl) (>0 out) |
---|
| 366 | ! correction to add is _b - _n |
---|
| 367 | risfcpl_vol(:,:,jk) = zqvolb(:,:,jk) - zqvoln(:,:,jk) |
---|
| 368 | END DO |
---|
| 369 | ! |
---|
| 370 | ! include the contribution of the vertical velocity in the volume flux correction |
---|
| 371 | DO jj = 2, jpjm1 |
---|
| 372 | DO ji = 2, jpim1 |
---|
| 373 | ! |
---|
| 374 | ikt = mikt(ji,jj) |
---|
| 375 | IF ( ikt > 1 .AND. ssmask(ji,jj) == 1 ) THEN |
---|
| 376 | risfcpl_vol(ji,jj,ikt) = risfcpl_vol(ji,jj,ikt) + SUM(zqvolb(ji,jj,1:ikt-1)) ! test sign |
---|
| 377 | ENDIF |
---|
| 378 | ! |
---|
| 379 | END DO |
---|
| 380 | ENDDO |
---|
| 381 | ! |
---|
| 382 | ! mask volume flux divergence correction |
---|
| 383 | risfcpl_vol(:,:,:) = risfcpl_vol(:,:,:) * tmask(:,:,:) |
---|
| 384 | ! |
---|
| 385 | CALL lbc_lnk( 'iscpl', risfcpl_vol, 'T', 1. ) |
---|
| 386 | CALL lbc_lnk( 'iscpl', zqvolb, 'T', 1. ) |
---|
| 387 | CALL lbc_lnk( 'iscpl', zqvoln, 'T', 1. ) |
---|
| 388 | ! |
---|
| 389 | ! get 3d tra increment to apply at the first time step |
---|
| 390 | ! temperature and salt content flux computed using local tsn |
---|
| 391 | ! (very simple advection scheme) |
---|
| 392 | ! (>0 out) |
---|
| 393 | risfcpl_tsc(:,:,:,jp_tem) = -risfcpl_vol(:,:,:) * tsn(:,:,:,jp_tem) |
---|
| 394 | risfcpl_tsc(:,:,:,jp_sal) = -risfcpl_vol(:,:,:) * tsn(:,:,:,jp_sal) |
---|
| 395 | ! |
---|
| 396 | ! ssh correction (for dynspg_ts) |
---|
| 397 | risfcpl_ssh(:,:) = 0.0 |
---|
| 398 | DO jk = 1,jpk |
---|
| 399 | risfcpl_ssh(:,:) = risfcpl_ssh(:,:) + risfcpl_vol(:,:,jk) * r1_e1e2t(:,:) |
---|
| 400 | END DO |
---|
| 401 | |
---|
| 402 | END SUBROUTINE isfcpl_vol |
---|
| 403 | |
---|
| 404 | SUBROUTINE isfcpl_cons |
---|
| 405 | !!---------------------------------------------------------------------- |
---|
| 406 | !! *** ROUTINE iscpl_cons *** |
---|
| 407 | !! |
---|
| 408 | !! ** Purpose : compute the corrective increment in volume/salt/heat to put back the vol/heat/salt |
---|
| 409 | !! removed or added during the coupling processes (wet or dry new cell) |
---|
| 410 | !! |
---|
| 411 | !! ** Method : - compare volume/heat/salt before and after |
---|
| 412 | !! - look for the closest wet cells (share amoung neigbourgs if there are) |
---|
| 413 | !! - build the correction increment to applied at each time step |
---|
| 414 | !! |
---|
| 415 | !!---------------------------------------------------------------------- |
---|
| 416 | ! |
---|
| 417 | TYPE(isfcons), DIMENSION(:),ALLOCATABLE :: zisfpts |
---|
| 418 | ! |
---|
| 419 | INTEGER :: ji , jj , jk ! loop index |
---|
| 420 | INTEGER :: jip1 , jim1, jjp1, jjm1 |
---|
| 421 | INTEGER :: iig , ijg, ik |
---|
| 422 | INTEGER :: istart, iend, jisf |
---|
| 423 | INTEGER :: nisfg , ingb, ifind |
---|
| 424 | INTEGER, DIMENSION(jpnij) :: nisfl |
---|
| 425 | ! |
---|
| 426 | REAL(wp) :: z1_sum, z1_rdtiscpl |
---|
| 427 | REAL(wp) :: zdtem, zdsal, zdvol, zratio |
---|
| 428 | REAL(wp) :: zlon , zlat |
---|
| 429 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztmask_b !! mask before |
---|
| 430 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ze3t_b !! scale factor before |
---|
| 431 | !!---------------------------------------------------------------------- |
---|
| 432 | |
---|
| 433 | ! get restart variable |
---|
| 434 | CALL iom_get( numror, jpdom_autoglo, 'tmask' , ztmask_b, ldxios = lrxios ) ! need to extrapolate T/S |
---|
| 435 | CALL iom_get( numror, jpdom_autoglo, 'e3t_n' , ze3t_b(:,:,:), ldxios = lrxios ) |
---|
| 436 | |
---|
| 437 | ! compute run length |
---|
| 438 | nstp_iscpl = nitend - nit000 + 1 |
---|
| 439 | rdt_iscpl = nstp_iscpl * rn_rdt |
---|
| 440 | z1_rdtiscpl = 1._wp / rdt_iscpl |
---|
| 441 | IF (lwp) WRITE(numout,*) ' nb of stp for cons = ', nstp_iscpl |
---|
| 442 | IF (lwp) WRITE(numout,*) ' coupling time step = ', rdt_iscpl |
---|
| 443 | |
---|
| 444 | ! mask tsn and tsb |
---|
| 445 | tsb(:,:,:,jp_tem) = tsb(:,:,:,jp_tem) * ztmask_b(:,:,:) |
---|
| 446 | tsn(:,:,:,jp_tem) = tsn(:,:,:,jp_tem) * tmask (:,:,:) |
---|
| 447 | tsb(:,:,:,jp_sal) = tsb(:,:,:,jp_sal) * ztmask_b(:,:,:) |
---|
| 448 | tsn(:,:,:,jp_sal) = tsn(:,:,:,jp_sal) * tmask (:,:,:) |
---|
| 449 | |
---|
| 450 | !============================================================================== |
---|
| 451 | ! diagnose the heat, salt and volume input and compute the correction variable |
---|
| 452 | !============================================================================== |
---|
| 453 | |
---|
| 454 | risfcpl_cons_vol = 0.0 |
---|
| 455 | risfcpl_cons_ssh = 0.0 |
---|
| 456 | risfcpl_cons_tsc = 0.0 |
---|
| 457 | |
---|
| 458 | DO jk = 1,jpk-1 |
---|
| 459 | DO jj = nldj,nlej |
---|
| 460 | DO ji = nldi,nlei |
---|
| 461 | |
---|
| 462 | ! volume diff |
---|
| 463 | zdvol = e3t_n(ji,jj,jk) * tmask(ji,jj,jk) - ze3t_b(ji,jj,jk) * ztmask_b(ji,jj,jk) |
---|
| 464 | |
---|
| 465 | ! heat diff |
---|
| 466 | zdtem = tsn(ji,jj,jk,jp_tem) * e3t_n(ji,jj,jk) & |
---|
| 467 | - tsb(ji,jj,jk,jp_tem) * ze3t_b(ji,jj,jk) |
---|
| 468 | |
---|
| 469 | ! salt diff |
---|
| 470 | zdsal = tsn(ji,jj,jk,jp_sal) * e3t_n(ji,jj,jk) & |
---|
| 471 | - tsb(ji,jj,jk,jp_sal) * ze3t_b(ji,jj,jk) |
---|
| 472 | |
---|
| 473 | ! volume, heat and salt differences in each cell (>0 means correction is an outward flux) |
---|
| 474 | risfcpl_cons_vol(ji,jj,jk) = zdvol * e1e2t(ji,jj) * z1_rdtiscpl |
---|
| 475 | risfcpl_cons_tsc(ji,jj,jk,jp_sal) = - zdsal * e1e2t(ji,jj) * z1_rdtiscpl |
---|
| 476 | risfcpl_cons_tsc(ji,jj,jk,jp_tem) = - zdtem * e1e2t(ji,jj) * z1_rdtiscpl |
---|
| 477 | |
---|
| 478 | END DO |
---|
| 479 | END DO |
---|
| 480 | END DO |
---|
| 481 | ! |
---|
| 482 | ! redistribute on valid point the vol/heat/salt removed during the coupling (ie when we dry a cell) |
---|
| 483 | ! where we dry a cell get the number of point |
---|
| 484 | ! compute the total number of point receiving a correction increment for each processor |
---|
| 485 | ! local |
---|
| 486 | nisfl=0 |
---|
| 487 | DO jk = 1,jpk-1 |
---|
| 488 | DO jj = nldj,nlej |
---|
| 489 | DO ji = nldi,nlei |
---|
| 490 | jip1=MIN(ji+1,jpi) ; jim1=MAX(ji-1,1) ; jjp1=MIN(jj+1,jpj) ; jjm1=MAX(jj-1,1) ; |
---|
| 491 | IF ( tmask(ji,jj,jk) == 0._wp .AND. ztmask_b(ji,jj,jk) == 1._wp ) nisfl(narea) = nisfl(narea) + MAX(SUM(tmask(jim1:jip1,jjm1:jjp1,jk)),1._wp) |
---|
| 492 | ENDDO |
---|
| 493 | ENDDO |
---|
| 494 | ENDDO |
---|
| 495 | ! |
---|
| 496 | ! global |
---|
| 497 | CALL mpp_sum('isfcpl',nisfl) |
---|
| 498 | nisfg = SUM(nisfl ) |
---|
| 499 | istart = SUM(nisfl(1:narea-1)) |
---|
| 500 | iend = SUM(nisfl(1:narea )) |
---|
| 501 | ! |
---|
| 502 | ! allocate list of point receiving correction |
---|
| 503 | ALLOCATE(zisfpts(nisfg)) |
---|
| 504 | zisfpts(:) = isfcons(0,0,0,-HUGE(1.0), -HUGE(1.0), -HUGE(1.0), -HUGE(1.0), -HUGE(1.0), 0) |
---|
| 505 | ! |
---|
| 506 | ! start computing the correction and fill zisfpts |
---|
| 507 | ! local |
---|
| 508 | jisf = istart |
---|
| 509 | DO jk = 1,jpk-1 |
---|
| 510 | DO jj = nldj,nlej |
---|
| 511 | DO ji = nldi,nlei |
---|
| 512 | IF ( tmask(ji,jj,jk) == 0._wp .AND. ztmask_b(ji,jj,jk) == 1._wp ) THEN |
---|
| 513 | |
---|
| 514 | jip1=MIN(ji+1,jpi) ; jim1=MAX(ji-1,1) ; jjp1=MIN(jj+1,jpj) ; jjm1=MAX(jj-1,1) ; |
---|
| 515 | |
---|
| 516 | zdvol = risfcpl_cons_vol(ji,jj,jk ) |
---|
| 517 | zdsal = risfcpl_cons_tsc(ji,jj,jk,jp_sal) |
---|
| 518 | zdtem = risfcpl_cons_tsc(ji,jj,jk,jp_tem) |
---|
| 519 | |
---|
| 520 | IF ( SUM( tmask(jim1:jip1,jjm1:jjp1,jk) ) > 0._wp ) THEN |
---|
| 521 | ! spread correction amoung neigbourg wet cells (horizontal direction first) |
---|
| 522 | ! as it is a rude correction corner and lateral cell have the same weight |
---|
| 523 | ! |
---|
| 524 | z1_sum = 1._wp / SUM( tmask(jim1:jip1,jjm1:jjp1,jk) ) |
---|
| 525 | ! |
---|
| 526 | ! lateral cells |
---|
| 527 | IF (tmask(jip1,jj ,jk) == 1) CALL update_isfpts(zisfpts, jisf, jip1, jj , jk, zdvol, zdsal, zdtem, z1_sum) |
---|
| 528 | IF (tmask(jim1,jj ,jk) == 1) CALL update_isfpts(zisfpts, jisf, jim1, jj , jk, zdvol, zdsal, zdtem, z1_sum) |
---|
| 529 | IF (tmask(ji ,jjp1,jk) == 1) CALL update_isfpts(zisfpts, jisf, ji , jjp1, jk, zdvol, zdsal, zdtem, z1_sum) |
---|
| 530 | IF (tmask(ji ,jjm1,jk) == 1) CALL update_isfpts(zisfpts, jisf, ji , jjm1, jk, zdvol, zdsal, zdtem, z1_sum) |
---|
| 531 | ! |
---|
| 532 | ! corner cells |
---|
| 533 | IF (tmask(jip1,jjm1,jk) == 1) CALL update_isfpts(zisfpts, jisf, jip1, jjm1, jk, zdvol, zdsal, zdtem, z1_sum) |
---|
| 534 | IF (tmask(jim1,jjm1,jk) == 1) CALL update_isfpts(zisfpts, jisf, jim1, jjm1, jk, zdvol, zdsal, zdtem, z1_sum) |
---|
| 535 | IF (tmask(jim1,jjp1,jk) == 1) CALL update_isfpts(zisfpts, jisf, jim1, jjp1, jk, zdvol, zdsal, zdtem, z1_sum) |
---|
| 536 | IF (tmask(jip1,jjp1,jk) == 1) CALL update_isfpts(zisfpts, jisf, jip1, jjp1, jk, zdvol, zdsal, zdtem, z1_sum) |
---|
| 537 | ! |
---|
| 538 | ELSE IF ( tmask(ji,jj,jk+1) == 1._wp ) THEN |
---|
| 539 | ! spread correction amoung neigbourg wet cells (vertical direction) |
---|
| 540 | CALL update_isfpts(zisfpts, jisf, ji , jj , jk+1, zdvol, zdsal, zdtem, 1., 0) |
---|
| 541 | ELSE |
---|
| 542 | ! need to find where to put correction in later on |
---|
| 543 | CALL update_isfpts(zisfpts, jisf, ji , jj , jk , zdvol, zdsal, zdtem, 1., 1) |
---|
| 544 | END IF |
---|
| 545 | END IF |
---|
| 546 | END DO |
---|
| 547 | END DO |
---|
| 548 | END DO |
---|
| 549 | ! |
---|
| 550 | ! share data among all processes because for some point we need to find the closest wet point (could be on other process) |
---|
| 551 | DO jisf = 1,nisfg |
---|
| 552 | ! |
---|
| 553 | ! indices (conversion to global indices and sharing) |
---|
| 554 | iig = zisfpts(jisf)%ii ; ijg = zisfpts(jisf)%jj ; ik = zisfpts(jisf)%kk |
---|
| 555 | CALL mpp_max('isfcpl',iig) ; CALL mpp_max('isfcpl',ijg) ; CALL mpp_max('isfcpl',ik) |
---|
| 556 | ! |
---|
| 557 | ! data |
---|
| 558 | zdvol = zisfpts(jisf)%dvol ; zdsal = zisfpts(jisf)%dsal ; zdtem = zisfpts(jisf)%dtem |
---|
| 559 | CALL mpp_max('isfcpl',zdvol) ; CALL mpp_max('isfcpl',zdsal) ; CALL mpp_max('isfcpl',zdtem) |
---|
| 560 | ! |
---|
| 561 | ! location |
---|
| 562 | zlat = zisfpts(jisf)%lat ; zlon = zisfpts(jisf)%lon |
---|
| 563 | CALL mpp_max('isfcpl',zlat) ; CALL mpp_max('isfcpl',zlon) |
---|
| 564 | ! |
---|
| 565 | ! find flag |
---|
| 566 | ingb = zisfpts(jisf)%ngb |
---|
| 567 | CALL mpp_max('isfcpl',ingb) |
---|
| 568 | ! |
---|
| 569 | ! fill the 3d correction array |
---|
| 570 | CALL get_correction(iig, ijg, ik, zlon, zlat, zdvol, zdsal, zdtem, ingb) |
---|
| 571 | ! |
---|
| 572 | END DO |
---|
| 573 | ! |
---|
| 574 | ! mask (>0 out) |
---|
| 575 | risfcpl_cons_vol(:,:,: ) = risfcpl_cons_vol(:,:,: ) * tmask(:,:,:) |
---|
| 576 | risfcpl_cons_tsc(:,:,:,jp_sal) = risfcpl_cons_tsc(:,:,:,jp_sal) * tmask(:,:,:) |
---|
| 577 | risfcpl_cons_tsc(:,:,:,jp_tem) = risfcpl_cons_tsc(:,:,:,jp_tem) * tmask(:,:,:) |
---|
| 578 | ! |
---|
| 579 | ! add lbclnk |
---|
| 580 | CALL lbc_lnk_multi( 'iscplrst', risfcpl_cons_tsc(:,:,:,jp_tem), 'T', 1., risfcpl_cons_tsc(:,:,:,jp_sal), 'T', 1., risfcpl_cons_vol, 'T', 1.) |
---|
| 581 | ! |
---|
| 582 | ! ssh correction (for dynspg_ts) |
---|
| 583 | DO jk = 1,jpk |
---|
| 584 | risfcpl_cons_ssh(:,:) = risfcpl_cons_ssh(:,:) + risfcpl_cons_vol(:,:,jk) |
---|
| 585 | END DO |
---|
| 586 | risfcpl_cons_ssh(:,:) = risfcpl_cons_ssh(:,:) * r1_e1e2t(:,:) |
---|
| 587 | ! |
---|
| 588 | END SUBROUTINE isfcpl_cons |
---|
| 589 | ! |
---|
| 590 | SUBROUTINE update_isfpts(sisfpts, kpts, ki, kj, kk, pdvol, pdsal, pdtem, pratio, kfind) |
---|
| 591 | !!--------------------------------------------------------------------- |
---|
| 592 | !! *** ROUTINE update_isfpts *** |
---|
| 593 | !! |
---|
| 594 | !! ** Purpose : if a cell become dry, we need to put the corrective increment elsewhere |
---|
| 595 | !! |
---|
| 596 | !! ** Action : update the list of point |
---|
| 597 | !! |
---|
| 598 | !!---------------------------------------------------------------------- |
---|
| 599 | !!---------------------------------------------------------------------- |
---|
| 600 | TYPE(isfcons), DIMENSION(:), INTENT(inout) :: sisfpts |
---|
| 601 | INTEGER, INTENT(inout) :: kpts |
---|
| 602 | !!---------------------------------------------------------------------- |
---|
| 603 | INTEGER, INTENT(in ) :: ki, kj, kk |
---|
| 604 | INTEGER, INTENT(in ), OPTIONAL :: kfind |
---|
| 605 | REAL(wp), INTENT(in ) :: pdvol, pdsal, pdtem, pratio |
---|
| 606 | !!---------------------------------------------------------------------- |
---|
| 607 | INTEGER :: ifind |
---|
| 608 | !!---------------------------------------------------------------------- |
---|
| 609 | ! |
---|
| 610 | ! increment position |
---|
| 611 | kpts = kpts + 1 |
---|
| 612 | ! |
---|
| 613 | ! define if we need to look for closest valid wet cell (no neighbours or neigbourg on halo) |
---|
| 614 | IF ( PRESENT(kfind) ) THEN |
---|
| 615 | ifind = kfind |
---|
| 616 | ELSE |
---|
| 617 | ifind = ( 1 - tmask_h(ki,kj) ) * tmask(ki,kj,kk) |
---|
| 618 | END IF |
---|
| 619 | ! |
---|
| 620 | ! update isfpts structure |
---|
| 621 | sisfpts(kpts) = isfcons(mig(ki), mjg(kj), kk, pratio * pdvol, pratio * pdsal, pratio * pdtem, glamt(ki,kj), gphit(ki,kj), ifind ) |
---|
| 622 | ! |
---|
| 623 | END SUBROUTINE update_isfpts |
---|
| 624 | ! |
---|
| 625 | SUBROUTINE get_correction( ki, kj, kk, zlon, zlat, pvolinc, psalinc, pteminc, kfind) |
---|
| 626 | !!--------------------------------------------------------------------- |
---|
| 627 | !! *** ROUTINE get_correction *** |
---|
| 628 | !! |
---|
| 629 | !! ** Action : - Find the closest valid cell if needed (wet and not on the halo) |
---|
| 630 | !! - Scale the correction depending of pratio (case where multiple wet neigbourgs) |
---|
| 631 | !! - Fill the correction array |
---|
| 632 | !! |
---|
| 633 | !!---------------------------------------------------------------------- |
---|
| 634 | INTEGER , INTENT(in) :: ki, kj, kk, kfind ! target point |
---|
| 635 | REAL(wp), INTENT(in) :: zlon, zlat |
---|
| 636 | REAL(wp), INTENT(in) :: pvolinc, pteminc,psalinc ! correction increment for vol/temp/salt |
---|
| 637 | !!---------------------------------------------------------------------- |
---|
| 638 | INTEGER :: jj, ji, iig, ijg |
---|
| 639 | !!---------------------------------------------------------------------- |
---|
| 640 | ! |
---|
| 641 | ! define global indice of correction location |
---|
| 642 | iig = ki ; ijg = kj |
---|
| 643 | IF ( kfind == 1 ) CALL dom_ngb( zlon, zlat, iig, ijg,'T', kk) |
---|
| 644 | ! |
---|
| 645 | ! fill the correction array |
---|
| 646 | DO jj = mj0(ijg),mj1(ijg) |
---|
| 647 | DO ji = mi0(iig),mi1(iig) |
---|
| 648 | ! correct the vol_flx in the closest cell |
---|
| 649 | risfcpl_cons_vol(ji,jj,kk) = risfcpl_cons_vol(ji,jj,kk ) + pvolinc |
---|
| 650 | risfcpl_cons_tsc(ji,jj,kk,jp_sal) = risfcpl_cons_tsc(ji,jj,kk,jp_sal) + psalinc |
---|
| 651 | risfcpl_cons_tsc(ji,jj,kk,jp_tem) = risfcpl_cons_tsc(ji,jj,kk,jp_tem) + pteminc |
---|
| 652 | END DO |
---|
| 653 | END DO |
---|
| 654 | |
---|
| 655 | END SUBROUTINE get_correction |
---|
| 656 | |
---|
| 657 | END MODULE isfcpl |
---|