[941] | 1 | MODULE trczdf_iso |
---|
| 2 | !!============================================================================== |
---|
| 3 | !! *** MODULE trczdf_iso *** |
---|
| 4 | !! Ocean passive tracers: vertical component of the tracer mixing trend |
---|
| 5 | !!============================================================================== |
---|
[1175] | 6 | !! History : 7.0 ! 91-11 (G. Madec) Original code |
---|
| 7 | !! ! 92-06 (M. Imbard) correction on tracer trend loops |
---|
| 8 | !! ! 96-01 (G. Madec) statement function for e3 |
---|
| 9 | !! ! 97-05 (G. Madec) vertical component of isopycnal |
---|
| 10 | !! ! 97-07 (G. Madec) geopotential diffusion in s-coord |
---|
| 11 | !! ! 98-03 (L. Bopp MA Foujols) passive tracer generalisation |
---|
| 12 | !! ! 00-05 (MA Foujols) add lbc for tracer trends |
---|
| 13 | !! ! 00-06 (O Aumont) correct isopycnal scheme suppress |
---|
| 14 | !! ! avt multiple correction |
---|
| 15 | !! ! 00-08 (G. Madec) double diffusive mixing |
---|
| 16 | !! 8.5 ! 02-08 (G. Madec) F90: Free form and module |
---|
| 17 | !! 9.0 ! 04-03 (C. Ethe ) adapted for passive tracers |
---|
| 18 | !!---------------------------------------------------------------------- |
---|
[941] | 19 | #if defined key_top && ( defined key_ldfslp || defined key_esopa ) |
---|
| 20 | !!---------------------------------------------------------------------- |
---|
| 21 | !! 'key_top' and TOP models |
---|
| 22 | !! 'key_ldfslp' rotation of the lateral mixing tensor |
---|
| 23 | !!---------------------------------------------------------------------- |
---|
| 24 | !! trc_zdf_iso : update the tracer trend with the vertical part of |
---|
| 25 | !! the isopycnal or geopotential s-coord. operator and |
---|
| 26 | !! the vertical diffusion |
---|
| 27 | !!---------------------------------------------------------------------- |
---|
| 28 | !! * Modules used |
---|
| 29 | USE oce_trc ! ocean dynamics and tracers variables |
---|
[1119] | 30 | USE trp_trc ! ocean passive tracers variables |
---|
[941] | 31 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
---|
| 32 | USE trctrp_lec ! passive tracers transport |
---|
[1175] | 33 | USE trdmld_trc |
---|
| 34 | USE trdmld_trc_oce |
---|
[941] | 35 | USE prtctl_trc ! Print control for debbuging |
---|
| 36 | |
---|
| 37 | IMPLICIT NONE |
---|
| 38 | PRIVATE |
---|
| 39 | |
---|
| 40 | !! * Accessibility |
---|
| 41 | PUBLIC trc_zdf_iso ! routine called by step.F90 |
---|
| 42 | |
---|
| 43 | !! * Module variable |
---|
| 44 | REAL(wp), DIMENSION(jpk) :: & |
---|
| 45 | rdttrc ! vertical profile of 2 x tracer time-step |
---|
| 46 | |
---|
| 47 | !! * Substitutions |
---|
| 48 | # include "top_substitute.h90" |
---|
| 49 | !!---------------------------------------------------------------------- |
---|
| 50 | !! TOP 1.0 , LOCEAN-IPSL (2005) |
---|
[1152] | 51 | !! $Id$ |
---|
[941] | 52 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
---|
| 53 | !!---------------------------------------------------------------------- |
---|
| 54 | |
---|
| 55 | CONTAINS |
---|
| 56 | |
---|
| 57 | SUBROUTINE trc_zdf_iso( kt ) |
---|
| 58 | !!---------------------------------------------------------------------- |
---|
| 59 | !! *** ROUTINE trc_zdf_iso *** |
---|
| 60 | !! |
---|
| 61 | !! ** Purpose : |
---|
| 62 | !! Compute the trend due to the vertical tracer diffusion inclu- |
---|
| 63 | !! ding the vertical component of lateral mixing (only for second |
---|
| 64 | !! order operator, for fourth order it is already computed and |
---|
| 65 | !! add to the general trend in trcldf.F) and add it to the general |
---|
| 66 | !! trend of the tracer equations. |
---|
| 67 | !! |
---|
| 68 | !! ** Method : |
---|
| 69 | !! The vertical component of the lateral diffusive trends is |
---|
| 70 | !! provided by a 2nd order operator rotated along neural or geopo- |
---|
| 71 | !! tential surfaces to which an eddy induced advection can be added |
---|
| 72 | !! It is computed using before fields (forward in time) and isopyc- |
---|
| 73 | !! nal or geopotential slopes computed in routine ldfslp. |
---|
| 74 | !! |
---|
| 75 | !! First part: vertical trends associated with the lateral mixing |
---|
| 76 | !! ========== (excluding the vertical flux proportional to dk[t] ) |
---|
| 77 | !! vertical fluxes associated with the rotated lateral mixing: |
---|
| 78 | !! zftw =-aht { e2t*wslpi di[ mi(mk(trb)) ] |
---|
| 79 | !! + e1t*wslpj dj[ mj(mk(trb)) ] } |
---|
| 80 | !! save avt coef. resulting from vertical physics alone in zavt: |
---|
| 81 | !! zavt = avt |
---|
| 82 | !! update and save in zavt the vertical eddy viscosity coefficient: |
---|
| 83 | !! avt = avt + wslpi^2+wslj^2 |
---|
| 84 | !! add vertical Eddy Induced advective fluxes ('lk_trcldf_eiv=T): |
---|
| 85 | !! zftw = zftw + { di[aht e2u mi(wslpi)] |
---|
| 86 | !! +dj[aht e1v mj(wslpj)] } mk(trb) |
---|
| 87 | !! take the horizontal divergence of the fluxes: |
---|
| 88 | !! difft = 1/(e1t*e2t*e3t) dk[ zftw ] |
---|
| 89 | !! Add this trend to the general trend tra : |
---|
| 90 | !! tra = tra + difft |
---|
| 91 | !! |
---|
| 92 | !! Second part: vertical trend associated with the vertical physics |
---|
| 93 | !! =========== (including the vertical flux proportional to dk[t] |
---|
| 94 | !! associated with the lateral mixing, through the |
---|
| 95 | !! update of avt) |
---|
| 96 | !! The vertical diffusion of tracers tra is given by: |
---|
| 97 | !! difft = dz( avt dz(t) ) = 1/e3t dk+1( avt/e3w dk(t) ) |
---|
| 98 | !! It is computed using a backward time scheme, t=ta. |
---|
| 99 | !! Surface and bottom boundary conditions: no diffusive flux on |
---|
| 100 | !! both tracers (bottom, applied through the masked field avt). |
---|
| 101 | !! Add this trend to the general trend tra : |
---|
| 102 | !! tra = tra + dz( avt dz(t) ) |
---|
| 103 | !! (tra = tra + dz( avs dz(t) ) if lk_trc_zdfddm=T ) |
---|
| 104 | !! |
---|
| 105 | !! Third part: recover avt resulting from the vertical physics |
---|
| 106 | !! ========== alone, for further diagnostics (for example to |
---|
| 107 | !! compute the turbocline depth in diamld). |
---|
| 108 | !! avt = zavt |
---|
| 109 | !! (avs = zavs if lk_trc_zdfddm=T ) |
---|
| 110 | !! |
---|
[1175] | 111 | !! 'key_trdmld_trc' defined: trend saved for futher diagnostics. |
---|
[941] | 112 | !! |
---|
| 113 | !! macro-tasked on vertical slab (jj-loop) |
---|
| 114 | !! |
---|
| 115 | !! ** Action : |
---|
| 116 | !! Update tra arrays with the before vertical diffusion trend |
---|
[1175] | 117 | !! Save in trtrd arrays the trends if 'key_trdmld_trc' defined |
---|
[941] | 118 | !!--------------------------------------------------------------------- |
---|
| 119 | !! * Modules used |
---|
[1271] | 120 | USE oce , ONLY : zavs => va, ztrtrd => ua |
---|
[941] | 121 | |
---|
| 122 | !! * Arguments |
---|
| 123 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
---|
| 124 | |
---|
| 125 | !! * Local declarations |
---|
| 126 | INTEGER :: ji, jj, jk, jn ! dummy loop indices |
---|
| 127 | INTEGER :: ikst, ikenm2, ikstp1 ! temporary integers |
---|
| 128 | INTEGER :: iku, ikv, ikv1 ! temporary integers |
---|
| 129 | |
---|
| 130 | REAL(wp) :: & |
---|
| 131 | ztavg, & ! ??? |
---|
| 132 | zcoef0, zcoef3, & ! ??? |
---|
| 133 | zcoef4, zavi, & ! ??? |
---|
| 134 | zbtr, zmku, zmkv, & ! |
---|
| 135 | ztav |
---|
| 136 | REAL(wp), DIMENSION(jpi,jpk) :: & |
---|
| 137 | zwd, zws, zwi, & ! ??? |
---|
| 138 | zwx, zwy, zwz, zwt ! ??? |
---|
| 139 | REAL(wp), DIMENSION(jpi,jpk) :: & |
---|
| 140 | ztfw, zdit, zdjt, zdj1t |
---|
| 141 | #if defined key_trcldf_eiv || defined key_esopa |
---|
| 142 | REAL(wp), DIMENSION(jpi,jpk) :: & |
---|
| 143 | ztfwg |
---|
| 144 | |
---|
| 145 | REAL(wp) :: & |
---|
| 146 | zcoeg3, & |
---|
| 147 | zuwk, zvwk, & |
---|
[1175] | 148 | zuwki, zvwki, z_hdivn_z |
---|
[941] | 149 | #endif |
---|
| 150 | CHARACTER (len=22) :: charout |
---|
[1175] | 151 | REAL(wp), DIMENSION(jpi,jpj,jpk) :: ztrtrd_tmp |
---|
[941] | 152 | !!--------------------------------------------------------------------- |
---|
| 153 | |
---|
| 154 | IF( kt == nittrc000 ) THEN |
---|
| 155 | IF(lwp) WRITE(numout,*) |
---|
| 156 | IF(lwp) WRITE(numout,*) 'trc_zdf_iso : vertical mixing (including isopycnal component)' |
---|
| 157 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~' |
---|
| 158 | #if defined key_trcldf_eiv && defined key_diaeiv |
---|
| 159 | w_trc_eiv(:,:,:) = 0.e0 |
---|
| 160 | #endif |
---|
| 161 | ENDIF |
---|
| 162 | |
---|
[1175] | 163 | |
---|
[941] | 164 | ! 0.0 Local constant initialization |
---|
| 165 | ! -------------------------------- |
---|
| 166 | IF( ln_trcadv_cen2 .OR. ln_trcadv_tvd ) THEN |
---|
| 167 | ! time step = 2 rdttra with Arakawa or TVD advection scheme |
---|
| 168 | IF( neuler == 0 .AND. kt == nittrc000 ) THEN |
---|
| 169 | rdttrc(:) = rdttra(:) * FLOAT(ndttrc) ! restarting with Euler time stepping |
---|
| 170 | ELSEIF( kt <= nittrc000 + ndttrc ) THEN |
---|
| 171 | rdttrc(:) = 2. * rdttra(:) * FLOAT(ndttrc) ! leapfrog |
---|
| 172 | ENDIF |
---|
| 173 | ELSE |
---|
| 174 | rdttrc(:) = rdttra(:) * FLOAT(ndttrc) |
---|
| 175 | ENDIF |
---|
| 176 | |
---|
| 177 | |
---|
| 178 | |
---|
| 179 | ! 0.1 Save avs in zavs to recover avs in output files |
---|
| 180 | !--------------------------------------------------- |
---|
| 181 | zavs(:,:,:) = fstravs(:,:,:) |
---|
| 182 | |
---|
| 183 | |
---|
| 184 | |
---|
| 185 | DO jn = 1, jptra |
---|
| 186 | |
---|
[1175] | 187 | IF( l_trdtrc ) ztrtrd(:,:,:) = tra(:,:,:,jn) ! save trends |
---|
| 188 | |
---|
[941] | 189 | ztavg = 0.e0 |
---|
| 190 | |
---|
| 191 | ! ! =============== |
---|
| 192 | DO jj = 2, jpjm1 ! Vertical slab |
---|
| 193 | ! ! =============== |
---|
| 194 | |
---|
| 195 | ! I. vertical trends associated with the lateral mixing |
---|
| 196 | ! ===================================================== |
---|
| 197 | ! (excluding the vertical flux proportional to dk[t] |
---|
| 198 | |
---|
| 199 | |
---|
| 200 | ! I.1 horizontal tracer gradient |
---|
| 201 | ! ------------------------------ |
---|
| 202 | |
---|
| 203 | DO jk = 1, jpkm1 |
---|
| 204 | DO ji = 1, jpim1 |
---|
| 205 | ! i-gradient of passive tracer at jj |
---|
| 206 | zdit (ji,jk) = ( trb(ji+1,jj,jk,jn)-trb(ji,jj,jk,jn) ) * umask(ji,jj,jk) |
---|
| 207 | ! j-gradient of passive tracer at jj |
---|
| 208 | zdjt (ji,jk) = ( trb(ji,jj+1,jk,jn)-trb(ji,jj,jk,jn) ) * vmask(ji,jj,jk) |
---|
| 209 | ! j-gradient of passive tracer at jj+1 |
---|
| 210 | zdj1t(ji,jk) = ( trb(ji,jj,jk,jn)-trb(ji,jj-1,jk,jn) ) * vmask(ji,jj-1,jk) |
---|
| 211 | END DO |
---|
| 212 | END DO |
---|
| 213 | |
---|
| 214 | IF( ln_zps ) THEN |
---|
| 215 | ! partial steps correction at the bottom ocean level |
---|
| 216 | DO ji = 1, jpim1 |
---|
| 217 | ! last ocean level |
---|
| 218 | iku = MIN( mbathy(ji,jj), mbathy(ji+1,jj ) ) - 1 |
---|
| 219 | ikv = MIN( mbathy(ji,jj), mbathy(ji ,jj+1) ) - 1 |
---|
| 220 | ikv1 = MIN( mbathy(ji,jj), mbathy(ji ,jj-1) ) - 1 |
---|
| 221 | ! i-gradient of of passive tracer at jj |
---|
| 222 | zdit (ji,iku) = gtru(ji,jj,jn) |
---|
| 223 | ! j-gradient of of passive tracer at jj |
---|
| 224 | zdjt (ji,ikv) = gtrv(ji,jj,jn) |
---|
| 225 | ! j-gradient of of passive tracer at jj+1 |
---|
| 226 | zdj1t(ji,ikv1)= gtrv(ji,jj-1,jn) |
---|
| 227 | END DO |
---|
| 228 | ENDIF |
---|
| 229 | |
---|
| 230 | ! I.2 Vertical fluxes |
---|
| 231 | ! ------------------- |
---|
| 232 | |
---|
| 233 | ! Surface and bottom vertical fluxes set to zero |
---|
| 234 | ztfw(:, 1 ) = 0.e0 |
---|
| 235 | ztfw(:,jpk) = 0.e0 |
---|
| 236 | |
---|
| 237 | #if defined key_trcldf_eiv |
---|
| 238 | ztfwg(:, 1 ) = 0.e0 |
---|
| 239 | ztfwg(:,jpk) = 0.e0 |
---|
| 240 | #endif |
---|
| 241 | |
---|
| 242 | ! interior (2=<jk=<jpk-1) |
---|
| 243 | DO jk = 2, jpkm1 |
---|
| 244 | DO ji = 2, jpim1 |
---|
| 245 | zcoef0 = - fsahtw(ji,jj,jk) * tmask(ji,jj,jk) |
---|
| 246 | |
---|
| 247 | zmku = 1./MAX( umask(ji ,jj,jk-1) + umask(ji-1,jj,jk) & |
---|
| 248 | & +umask(ji-1,jj,jk-1) + umask(ji ,jj,jk), 1. ) |
---|
| 249 | |
---|
| 250 | zmkv = 1./MAX( vmask(ji,jj ,jk-1) + vmask(ji,jj-1,jk) & |
---|
| 251 | & +vmask(ji,jj-1,jk-1) + vmask(ji,jj ,jk), 1. ) |
---|
| 252 | |
---|
| 253 | zcoef3 = zcoef0 * e2t(ji,jj) * zmku * wslpi (ji,jj,jk) |
---|
| 254 | zcoef4 = zcoef0 * e1t(ji,jj) * zmkv * wslpj (ji,jj,jk) |
---|
| 255 | |
---|
| 256 | ztfw(ji,jk) = zcoef3 * ( zdit (ji ,jk-1) + zdit (ji-1,jk) & |
---|
| 257 | & +zdit (ji-1,jk-1) + zdit (ji ,jk) ) & |
---|
| 258 | & + zcoef4 * ( zdjt (ji ,jk-1) + zdj1t(ji ,jk) & |
---|
| 259 | & +zdj1t(ji ,jk-1) + zdjt (ji ,jk) ) |
---|
| 260 | |
---|
| 261 | END DO |
---|
| 262 | END DO |
---|
| 263 | |
---|
| 264 | |
---|
| 265 | ! I.3 update and save of avt (and avs if double diffusive mixing) |
---|
| 266 | ! --------------------------- |
---|
| 267 | |
---|
| 268 | DO jk = 2, jpkm1 |
---|
| 269 | DO ji = 2, jpim1 |
---|
| 270 | |
---|
| 271 | zavi = fsahtw(ji,jj,jk)*( wslpi(ji,jj,jk)*wslpi(ji,jj,jk) & |
---|
| 272 | & +wslpj(ji,jj,jk)*wslpj(ji,jj,jk) ) |
---|
| 273 | |
---|
| 274 | ! add isopycnal vertical coeff. to avs |
---|
| 275 | fstravs(ji,jj,jk) = fstravs(ji,jj,jk) + zavi |
---|
| 276 | |
---|
| 277 | END DO |
---|
| 278 | END DO |
---|
| 279 | |
---|
| 280 | #if defined key_trcldf_eiv |
---|
| 281 | ! ! ---------------------------------------! |
---|
| 282 | ! ! Eddy induced vertical advective fluxes ! |
---|
| 283 | ! ! ---------------------------------------! |
---|
| 284 | #if defined key_traldf_c2d || defined key_traldf_c3d || defined key_off_degrad |
---|
| 285 | DO jk = 2, jpkm1 |
---|
| 286 | DO ji = 2, jpim1 |
---|
| 287 | zuwki = ( wslpi(ji,jj,jk) + wslpi(ji-1,jj,jk) ) & |
---|
| 288 | & * fsaeitru(ji-1,jj,jk) * e2u(ji-1,jj)*umask(ji-1,jj,jk) |
---|
| 289 | zuwk = ( wslpi(ji,jj,jk) + wslpi(ji+1,jj,jk) ) & |
---|
| 290 | & * fsaeitru(ji ,jj,jk) * e2u(ji ,jj)*umask(ji ,jj,jk) |
---|
| 291 | zvwki = ( wslpj(ji,jj,jk) + wslpj(ji,jj-1,jk) ) & |
---|
| 292 | & * fsaeitrv(ji,jj-1,jk) * e1v(ji,jj-1)*vmask(ji,jj-1,jk) |
---|
| 293 | zvwk = ( wslpj(ji,jj,jk) + wslpj(ji,jj+1,jk) ) & |
---|
| 294 | & * fsaeitrv(ji,jj ,jk) * e1v(ji ,jj)*vmask(ji ,jj,jk) |
---|
| 295 | |
---|
| 296 | zcoeg3 = + 0.25 * tmask(ji,jj,jk) * ( zuwk - zuwki + zvwk - zvwki ) |
---|
| 297 | |
---|
| 298 | ztfwg(ji,jk) = + zcoeg3 * ( trb(ji,jj,jk,jn) + trb(ji,jj,jk-1,jn) ) |
---|
| 299 | ztfw(ji,jk) = ztfw(ji,jk) + ztfwg(ji,jk) |
---|
| 300 | |
---|
| 301 | # if defined key_diaeiv |
---|
| 302 | w_trc_eiv(ji,jj,jk) = -2. * zcoeg3 / ( e1t(ji,jj)*e2t(ji,jj) ) |
---|
| 303 | # endif |
---|
| 304 | END DO |
---|
| 305 | END DO |
---|
| 306 | |
---|
| 307 | #else |
---|
| 308 | DO jk = 2, jpkm1 |
---|
| 309 | DO ji = 2, jpim1 |
---|
| 310 | zuwki = ( wslpi(ji,jj,jk) + wslpi(ji-1,jj,jk) ) & |
---|
| 311 | & * e2u(ji-1,jj)*umask(ji-1,jj,jk) |
---|
| 312 | zuwk = ( wslpi(ji,jj,jk) + wslpi(ji+1,jj,jk) ) & |
---|
| 313 | & * e2u(ji ,jj)*umask(ji ,jj,jk) |
---|
| 314 | zvwki = ( wslpj(ji,jj,jk) + wslpj(ji,jj-1,jk) ) & |
---|
| 315 | & * e1v(ji,jj-1)*vmask(ji,jj-1,jk) |
---|
| 316 | zvwk = ( wslpj(ji,jj,jk) + wslpj(ji,jj+1,jk) ) & |
---|
| 317 | & * e1v(ji ,jj)*vmask(ji ,jj,jk) |
---|
| 318 | |
---|
| 319 | zcoeg3 = + 0.25 * tmask(ji,jj,jk) * fsaeitrw(ji,jj,jk) & |
---|
| 320 | & * ( zuwk - zuwki + zvwk - zvwki ) |
---|
| 321 | |
---|
| 322 | ztfwg(ji,jk) = + zcoeg3 * ( trb(ji,jj,jk,jn) + trb(ji,jj,jk-1,jn) ) |
---|
| 323 | ztfw(ji,jk) = ztfw(ji,jk) + ztfwg(ji,jk) |
---|
| 324 | |
---|
| 325 | # if defined key_diaeiv |
---|
| 326 | w_trc_eiv(ji,jj,jk) = -2. * zcoeg3 / ( e1t(ji,jj)*e2t(ji,jj) ) |
---|
| 327 | # endif |
---|
| 328 | END DO |
---|
| 329 | END DO |
---|
| 330 | #endif |
---|
| 331 | |
---|
| 332 | #endif |
---|
| 333 | |
---|
| 334 | |
---|
| 335 | ! I.5 Divergence of vertical fluxes added to the general tracer trend |
---|
| 336 | ! ------------------------------------------------------------------- |
---|
| 337 | |
---|
| 338 | DO jk = 1, jpkm1 |
---|
| 339 | DO ji = 2, jpim1 |
---|
| 340 | zbtr = 1. / ( e1t(ji,jj)*e2t(ji,jj)*fse3t(ji,jj,jk) ) |
---|
| 341 | ztav = ( ztfw(ji,jk) - ztfw(ji,jk+1) ) * zbtr |
---|
| 342 | tra(ji,jj,jk,jn) = tra(ji,jj,jk,jn) + ztav |
---|
| 343 | #if defined key_trc_diatrd |
---|
| 344 | # if defined key_trcldf_eiv |
---|
| 345 | ztavg = ( ztfwg(ji,jk) - ztfwg(ji,jk+1) ) * zbtr |
---|
| 346 | ! WARNING trtrd(ji,jj,jk,6) used for vertical gent velocity trend |
---|
| 347 | ! not for damping !!! |
---|
[1175] | 348 | IF (luttrd(jn)) trtrd(ji,jj,jk,ikeep(jn),6) = ztavg |
---|
[941] | 349 | # endif |
---|
| 350 | IF (luttrd(jn)) trtrd(ji,jj,jk,ikeep(jn),6) = ztav - ztavg |
---|
| 351 | #endif |
---|
[1175] | 352 | |
---|
[941] | 353 | END DO |
---|
| 354 | END DO |
---|
| 355 | ! ! =============== |
---|
| 356 | END DO ! End of slab |
---|
| 357 | ! ! =============== |
---|
[1175] | 358 | ! II. Save the trends for diagnostics |
---|
| 359 | ! =================================== |
---|
| 360 | IF( l_trdtrc ) THEN |
---|
| 361 | # if defined key_trcldf_eiv |
---|
[941] | 362 | |
---|
[1175] | 363 | ! II.1) Compute the eiv VERTICAL trend |
---|
| 364 | DO jj = 2, jpjm1 |
---|
| 365 | DO jk = 1, jpkm1 |
---|
| 366 | DO ji = 2, jpim1 |
---|
| 367 | |
---|
| 368 | !-- Compute the eiv vertical divergence : 1/e3t ( dk[w_eiv] ) |
---|
| 369 | ! N.B. This is only possible if key_diaeiv is switched on. |
---|
| 370 | ! Else, the vertical eiv is not diagnosed, |
---|
| 371 | ! so we can only store the flux form trend d_z ( T * w_eiv ) |
---|
| 372 | ! instead of w_eiv * d_z( T ). Then, ONLY THE SUM of zonal, |
---|
| 373 | ! meridional, and vertical trends are valid. |
---|
| 374 | # if defined key_diaeiv |
---|
[1258] | 375 | z_hdivn_z = ( 1. / fse3t(ji,jj,jk) ) * ( w_trc_eiv(ji,jj,jk) - w_trc_eiv(ji,jj,jk+1) ) |
---|
[1175] | 376 | # else |
---|
| 377 | z_hdivn_z = 0.e0 |
---|
| 378 | # endif |
---|
| 379 | !-- Compute the vertical advective trend associated with eiv |
---|
| 380 | zbtr = 1. / ( e1t(ji,jj)*e2t(ji,jj)*fse3t(ji,jj,jk) ) |
---|
| 381 | ztrtrd_tmp(ji,jj,jk) = ( ztfwg(ji,jk) - ztfwg(ji,jk+1) ) * zbtr & |
---|
| 382 | & - trn(ji,jj,jk,jn) * z_hdivn_z |
---|
| 383 | END DO |
---|
| 384 | END DO |
---|
| 385 | END DO |
---|
| 386 | |
---|
| 387 | ! II.2) Save the vertical eiv trend |
---|
| 388 | IF (luttrd(jn)) CALL trd_mod_trc( ztrtrd_tmp, jn, jptrc_trd_zei, kt ) |
---|
| 389 | |
---|
| 390 | # endif |
---|
| 391 | |
---|
| 392 | !-- Remove vert. eiv from the current up-to-date trend |
---|
| 393 | ! N.B. ztrtrd_tmp is recycled for this purpose |
---|
| 394 | ztrtrd_tmp(:,:,:) = ( tra(:,:,:,jn) - ztrtrd(:,:,:) ) - ztrtrd_tmp(:,:,:) |
---|
| 395 | |
---|
| 396 | ! Save the new trends |
---|
| 397 | ztrtrd(:,:,:) = tra(:,:,:,jn) |
---|
| 398 | END IF |
---|
| 399 | |
---|
| 400 | |
---|
[941] | 401 | END DO |
---|
| 402 | |
---|
| 403 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
| 404 | WRITE(charout, FMT="('zdf - 1')") |
---|
| 405 | CALL prt_ctl_trc_info(charout) |
---|
| 406 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm,clinfo2='trd') |
---|
| 407 | ENDIF |
---|
| 408 | |
---|
| 409 | DO jn = 1, jptra |
---|
| 410 | ! ! =============== |
---|
| 411 | DO jj = 2, jpjm1 ! Vertical slab |
---|
| 412 | ! ! =============== |
---|
| 413 | |
---|
| 414 | ! II. Vertical trend associated with the vertical physics |
---|
| 415 | ! ======================================================= |
---|
| 416 | ! (including the vertical flux proportional to dk[t] associated |
---|
| 417 | ! with the lateral mixing, through the avt update) |
---|
| 418 | ! dk[ avt dk[ (t,s) ] ] diffusive trends |
---|
| 419 | |
---|
| 420 | |
---|
| 421 | ! Diagonal, inferior, superior |
---|
| 422 | ! (including the bottom boundary condition via avs masked) |
---|
| 423 | DO jk = 1, jpkm1 |
---|
| 424 | DO ji = 2, jpim1 |
---|
| 425 | zwi(ji,jk) = - rdttrc(jk) * fstravs(ji,jj,jk ) & |
---|
| 426 | /( fse3t(ji,jj,jk) * fse3w(ji,jj,jk ) ) |
---|
| 427 | zws(ji,jk) = - rdttrc(jk) * fstravs(ji,jj,jk+1) & |
---|
| 428 | /( fse3t(ji,jj,jk) * fse3w(ji,jj,jk+1) ) |
---|
| 429 | zwd(ji,jk) = 1. - zwi(ji,jk) - zws(ji,jk) |
---|
| 430 | END DO |
---|
| 431 | END DO |
---|
| 432 | |
---|
| 433 | ! Surface boudary conditions |
---|
| 434 | DO ji = 2, jpim1 |
---|
| 435 | zwi(ji,1) = 0.e0 |
---|
| 436 | zwd(ji,1) = 1. - zws(ji,1) |
---|
| 437 | END DO |
---|
| 438 | |
---|
| 439 | ! Second member construction |
---|
| 440 | DO jk = 1, jpkm1 |
---|
| 441 | DO ji = 2, jpim1 |
---|
| 442 | zwy(ji,jk) = trb(ji,jj,jk,jn) + rdttrc(jk) * tra(ji,jj,jk,jn) |
---|
| 443 | END DO |
---|
| 444 | END DO |
---|
| 445 | |
---|
| 446 | ! Matrix inversion from the first level |
---|
| 447 | ikst = 1 |
---|
| 448 | # include "zdf.matrixsolver.h90" |
---|
| 449 | #if defined key_trc_diatrd |
---|
| 450 | ! Compute and save the vertical diffusive of tracers trends |
---|
| 451 | # if defined key_trcldf_iso |
---|
| 452 | DO jk = 1, jpkm1 |
---|
| 453 | DO ji = 2, jpim1 |
---|
[1258] | 454 | ztav = ( zwx(ji,jk) - trb(ji,jj,jk,jn) ) / rdttrc(jk) |
---|
| 455 | IF (luttrd(jn)) trtrd(ji,jj,jk,ikeep(jn),6) = ztav - tra(ji,jj,jk,jn) + trtrd(ji,jj,jk,ikeep(jn),6) |
---|
[941] | 456 | END DO |
---|
| 457 | END DO |
---|
| 458 | # else |
---|
| 459 | DO jk = 1, jpkm1 |
---|
| 460 | DO ji = 2, jpim1 |
---|
[1258] | 461 | ztav = ( zwx(ji,jk) - trb(ji,jj,jk,jn) ) / rdttrc(jk) |
---|
| 462 | IF (luttrd(jn)) trtrd(ji,jj,jk,ikeep(jn),6) = ztav - tra(ji,jj,jk,jn) |
---|
[941] | 463 | END DO |
---|
| 464 | END DO |
---|
| 465 | # endif |
---|
| 466 | #endif |
---|
[1175] | 467 | ! Compute and save the vertical diffusive of tracers trends |
---|
[941] | 468 | ! Save the masked passive tracer after in tra |
---|
| 469 | ! (c a u t i o n: tracer not its trend, Leap-frog scheme done |
---|
| 470 | ! it will not be done in tranxt) |
---|
| 471 | DO jk = 1, jpkm1 |
---|
| 472 | DO ji = 2, jpim1 |
---|
| 473 | tra(ji,jj,jk,jn) = zwx(ji,jk) * tmask(ji,jj,jk) |
---|
| 474 | END DO |
---|
| 475 | END DO |
---|
| 476 | ! ! =============== |
---|
| 477 | END DO ! End of slab |
---|
| 478 | ! ! =============== |
---|
| 479 | |
---|
[1175] | 480 | ! IV. Save the trends for diagnostics |
---|
| 481 | ! =================================== |
---|
| 482 | IF( l_trdtrc ) THEN |
---|
| 483 | ! deduce the full vertical diff. trend (except for vertical eiv advection) |
---|
[1187] | 484 | #if defined key_trcldf_iso |
---|
[1175] | 485 | DO jk = 1, jpkm1 |
---|
| 486 | ztrtrd(:,:,jk) = ( (tra(:,:,jk,jn) - trb(:,:,jk,jn))/rdttrc(jk) ) - ztrtrd(:,:,jk) + ztrtrd_tmp(:,:,jk) |
---|
| 487 | END DO |
---|
| 488 | #else |
---|
| 489 | DO jk = 1, jpkm1 |
---|
| 490 | ztrtrd(:,:,jk) = ( (tra(:,:,jk,jn) - trb(:,:,jk,jn))/rdttrc(jk) ) - ztrtrd(:,:,jk) |
---|
| 491 | END DO |
---|
| 492 | #endif |
---|
| 493 | IF (luttrd(jn)) CALL trd_mod_trc( ztrtrd, jn, jptrc_trd_zdf, kt ) |
---|
| 494 | |
---|
| 495 | END IF |
---|
| 496 | |
---|
[941] | 497 | END DO |
---|
| 498 | |
---|
| 499 | |
---|
| 500 | |
---|
| 501 | ! III. recover the avt (avs) resulting from vertical physics only |
---|
| 502 | !--------------------------------------------------------------- |
---|
| 503 | fstravs(:,:,:) = zavs(:,:,:) |
---|
| 504 | |
---|
| 505 | |
---|
| 506 | IF(ln_ctl) THEN ! print mean trends (used for debugging) |
---|
| 507 | WRITE(charout, FMT="('zdf - 2')") |
---|
| 508 | CALL prt_ctl_trc_info(charout) |
---|
| 509 | CALL prt_ctl_trc(tab4d=tra, mask=tmask, clinfo=ctrcnm,clinfo2='trd') |
---|
| 510 | ENDIF |
---|
| 511 | |
---|
| 512 | END SUBROUTINE trc_zdf_iso |
---|
| 513 | |
---|
| 514 | #else |
---|
| 515 | !!---------------------------------------------------------------------- |
---|
| 516 | !! Dummy module NO rotation of the lateral mixing tensor |
---|
| 517 | !!---------------------------------------------------------------------- |
---|
| 518 | CONTAINS |
---|
| 519 | SUBROUTINE trc_zdf_iso( kt ) ! empty routine |
---|
| 520 | WRITE(*,*) 'trc_zdf_iso: You should not have seen this print! error?', kt |
---|
| 521 | END SUBROUTINE trc_zdf_iso |
---|
| 522 | #endif |
---|
| 523 | |
---|
| 524 | !!============================================================================== |
---|
| 525 | END MODULE trczdf_iso |
---|