[3] | 1 | MODULE dynzdf_iso |
---|
| 2 | !!============================================================================== |
---|
| 3 | !! *** MODULE dynzdf_iso *** |
---|
| 4 | !! Ocean dynamics: vertical component(s) of the momentum mixing trend |
---|
| 5 | !!============================================================================== |
---|
| 6 | #if defined key_ldfslp || defined key_esopa |
---|
| 7 | !!---------------------------------------------------------------------- |
---|
| 8 | !! 'key_ldfslp' rotation of the mixing tensor |
---|
| 9 | !!---------------------------------------------------------------------- |
---|
| 10 | !! dyn_zdf_iso : update the momentum trend with the vertical diffusion |
---|
| 11 | !! (vertical mixing + vertical component of lateral |
---|
| 12 | !! mixing) (rotated lateral operator case) |
---|
| 13 | !!---------------------------------------------------------------------- |
---|
| 14 | !! * Modules used |
---|
| 15 | USE oce ! ocean dynamics and tracers |
---|
| 16 | USE dom_oce ! ocean space and time domain |
---|
| 17 | USE phycst ! physical constants |
---|
| 18 | USE zdf_oce ! ocean vertical physics |
---|
| 19 | USE in_out_manager ! I/O manager |
---|
| 20 | USE taumod ! surface ocean stress |
---|
[216] | 21 | USE trdmod ! ocean dynamics trends |
---|
| 22 | USE trdmod_oce ! ocean variables trends |
---|
[3] | 23 | |
---|
| 24 | IMPLICIT NONE |
---|
| 25 | PRIVATE |
---|
| 26 | |
---|
| 27 | !! * Routine accessibility |
---|
| 28 | PUBLIC dyn_zdf_iso ! called by step.F90 |
---|
| 29 | |
---|
| 30 | !! * Substitutions |
---|
| 31 | # include "domzgr_substitute.h90" |
---|
| 32 | # include "vectopt_loop_substitute.h90" |
---|
| 33 | !!---------------------------------------------------------------------- |
---|
| 34 | !! OPA 9.0 , LODYC-IPSL (2003) |
---|
| 35 | !!---------------------------------------------------------------------- |
---|
| 36 | |
---|
| 37 | CONTAINS |
---|
| 38 | |
---|
| 39 | SUBROUTINE dyn_zdf_iso( kt ) |
---|
| 40 | !!---------------------------------------------------------------------- |
---|
| 41 | !! *** ROUTINE dyn_zdf_iso *** |
---|
| 42 | !! |
---|
| 43 | !! ** Purpose : |
---|
| 44 | !! Compute the vertical momentum trend due to both vertical and |
---|
| 45 | !! lateral mixing (only for second order lateral operator, for |
---|
| 46 | !! fourth order it is already computed and add to the general trend |
---|
| 47 | !! in dynldf.F) and the surface forcing, and add it to the general |
---|
| 48 | !! trend of the momentum equations. |
---|
| 49 | !! |
---|
| 50 | !! ** Method : |
---|
| 51 | !! The vertical component of the lateral diffusive trends is |
---|
| 52 | !! provided by a 2nd order operator rotated along neural or geopo- |
---|
| 53 | !! tential surfaces to which an eddy induced advection can be added |
---|
| 54 | !! It is computed using before fields (forward in time) and isopyc- |
---|
| 55 | !! nal or geopotential slopes computed in routine ldfslp. |
---|
| 56 | !! |
---|
| 57 | !! First part: vertical trends associated with the lateral mixing |
---|
| 58 | !! ========== (excluding the vertical flux proportional to dk[U] ) |
---|
| 59 | !! vertical fluxes associated with the rotated lateral mixing: |
---|
| 60 | !! zfuw =-ahm { e2t*mi(wslpi) di[ mi(mk(ub)) ] |
---|
| 61 | !! + e1t*mj(wslpj) dj[ mj(mk(ub)) ] } |
---|
| 62 | !! update and save in zavt the vertical eddy viscosity coefficient: |
---|
| 63 | !! avmu = avmu + mi(wslpi)^2 + mj(wslj)^2 |
---|
| 64 | !! take the horizontal divergence of the fluxes: |
---|
| 65 | !! diffu = 1/(e1u*e2u*e3u) dk[ zfuw ] |
---|
| 66 | !! Add this trend to the general trend (ta,sa): |
---|
| 67 | !! ua = ua + difft |
---|
| 68 | !! |
---|
| 69 | !! Second part: vertical trend associated with the vertical physics |
---|
| 70 | !! =========== (including the vertical flux proportional to dk[U] |
---|
| 71 | !! associated with the lateral mixing, through the |
---|
| 72 | !! update of avmu) |
---|
| 73 | !! The vertical diffusion of momentum is given by: |
---|
| 74 | !! diffu = dz( avmu dz(u) ) = 1/e3u dk+1( avmu/e3uw dk(ua) ) |
---|
| 75 | !! using a backward (implicit) time stepping. |
---|
| 76 | !! Bottom boundary conditions : bottom stress (cf zdfbfr.F) |
---|
| 77 | !! Add this trend to the general trend ua : |
---|
| 78 | !! ua = ua + dz( avmu dz(u) ) |
---|
| 79 | !! |
---|
[216] | 80 | !! 'key_trddyn' defined: trend saved for further diagnostics. |
---|
[3] | 81 | !! |
---|
| 82 | !! macro-tasked on vertical slab (jj-loop) |
---|
| 83 | !! |
---|
[216] | 84 | !! ** Action : - Update (ua,va) arrays with the after vertical diffusive |
---|
| 85 | !! mixing trend. |
---|
| 86 | !! - Save the trends in (ztdua,ztdva) ('key_trddyn') |
---|
[3] | 87 | !! |
---|
| 88 | !! History : |
---|
[216] | 89 | !! ! 90-10 (B. Blanke) Original code |
---|
| 90 | !! ! 97-05 (G. Madec) vertical component of isopycnal |
---|
| 91 | !! 8.5 ! 02-08 (G. Madec) F90: Free form and module |
---|
| 92 | !! 9.0 ! 04-08 (C. Talandier) New trends organization |
---|
[3] | 93 | !!--------------------------------------------------------------------- |
---|
| 94 | !! * Modules used |
---|
| 95 | USE ldfslp , ONLY : wslpi, wslpj |
---|
| 96 | USE ldftra_oce, ONLY : aht0 |
---|
[216] | 97 | USE oce, ONLY : ztdua => ta, & ! use ta as 3D workspace |
---|
| 98 | ztdva => sa ! use sa as 3D workspace |
---|
[3] | 99 | |
---|
| 100 | !! * Arguments |
---|
[216] | 101 | INTEGER, INTENT( in ) :: kt ! ocean time-step index |
---|
[3] | 102 | |
---|
| 103 | !! * Local declarations |
---|
[216] | 104 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
[3] | 105 | INTEGER :: & |
---|
[216] | 106 | ikst, ikenm2, ikstp1, & ! temporary integers |
---|
| 107 | ikbu, ikbum1 , ikbv, ikbvm1 ! " " |
---|
[3] | 108 | REAL(wp) :: & |
---|
[216] | 109 | zrau0r, z2dt, & ! temporary scalars |
---|
[3] | 110 | z2dtf, zua, zva, zcoef, zzws |
---|
| 111 | REAL(wp) :: & |
---|
| 112 | zcoef0, zcoef3, zcoef4, zbu, zbv, zmkt, zmkf, & |
---|
| 113 | zuav, zvav, zuwslpi, zuwslpj, zvwslpi, zvwslpj |
---|
[216] | 114 | REAL(wp), DIMENSION(jpi,jpk) :: & |
---|
| 115 | zwx, zwy, zwz, & ! workspace arrays |
---|
| 116 | zwd, zws, zwi, zwt, & ! " " |
---|
| 117 | zfuw, zdiu, zdju, zdj1u, & ! " " |
---|
[3] | 118 | zfvw, zdiv, zdjv, zdj1v |
---|
[216] | 119 | REAL(wp), DIMENSION(jpi,jpj) :: & |
---|
| 120 | ztsx, ztsy, ztbx, ztby ! temporary workspace arrays |
---|
[3] | 121 | !!---------------------------------------------------------------------- |
---|
| 122 | |
---|
| 123 | IF( kt == nit000 ) THEN |
---|
| 124 | IF(lwp) WRITE(numout,*) |
---|
| 125 | IF(lwp) WRITE(numout,*) 'dyn_zdf_iso : vertical momentum diffusion isopycnal operator' |
---|
| 126 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ ' |
---|
| 127 | ENDIF |
---|
| 128 | |
---|
| 129 | ! 0. Local constant initialization |
---|
| 130 | ! -------------------------------- |
---|
| 131 | |
---|
| 132 | ! inverse of the reference density |
---|
| 133 | zrau0r = 1. / rau0 |
---|
| 134 | ! Leap-frog environnement |
---|
| 135 | z2dt = 2. * rdt |
---|
[216] | 136 | ! workspace arrays |
---|
| 137 | ztsx(:,:) = 0.e0 |
---|
| 138 | ztsy(:,:) = 0.e0 |
---|
| 139 | ztbx(:,:) = 0.e0 |
---|
| 140 | ztby(:,:) = 0.e0 |
---|
[3] | 141 | ! Euler time stepping when starting from rest |
---|
| 142 | IF ( neuler == 0 .AND. kt == nit000 ) z2dt = rdt |
---|
| 143 | |
---|
[216] | 144 | ! Save ua and va trends |
---|
| 145 | IF( l_trddyn ) THEN |
---|
| 146 | ztdua(:,:,:) = ua(:,:,:) |
---|
| 147 | ztdva(:,:,:) = va(:,:,:) |
---|
| 148 | ENDIF |
---|
| 149 | |
---|
[3] | 150 | ! ! =============== |
---|
| 151 | DO jj = 2, jpjm1 ! Vertical slab |
---|
| 152 | ! ! =============== |
---|
| 153 | |
---|
| 154 | |
---|
| 155 | ! I. vertical trends associated with the lateral mixing |
---|
| 156 | ! ===================================================== |
---|
| 157 | ! (excluding the vertical flux proportional to dk[t] |
---|
| 158 | |
---|
| 159 | |
---|
| 160 | ! I.1 horizontal momentum gradient |
---|
| 161 | ! -------------------------------- |
---|
| 162 | |
---|
| 163 | DO jk = 1, jpk |
---|
| 164 | DO ji = 2, jpi |
---|
| 165 | ! i-gradient of u at jj |
---|
| 166 | zdiu (ji,jk) = tmask(ji,jj ,jk) * ( ub(ji,jj ,jk) - ub(ji-1,jj ,jk) ) |
---|
| 167 | ! j-gradient of u and v at jj |
---|
| 168 | zdju (ji,jk) = fmask(ji,jj ,jk) * ( ub(ji,jj+1,jk) - ub(ji ,jj ,jk) ) |
---|
| 169 | zdjv (ji,jk) = tmask(ji,jj ,jk) * ( vb(ji,jj ,jk) - vb(ji ,jj-1,jk) ) |
---|
| 170 | ! j-gradient of u and v at jj+1 |
---|
| 171 | zdj1u(ji,jk) = fmask(ji,jj-1,jk) * ( ub(ji,jj ,jk) - ub(ji ,jj-1,jk) ) |
---|
| 172 | zdj1v(ji,jk) = tmask(ji,jj+1,jk) * ( vb(ji,jj+1,jk) - vb(ji ,jj ,jk) ) |
---|
| 173 | END DO |
---|
| 174 | END DO |
---|
| 175 | DO jk = 1, jpk |
---|
| 176 | DO ji = 1, jpim1 |
---|
| 177 | ! i-gradient of v at jj |
---|
| 178 | zdiv (ji,jk) = fmask(ji,jj ,jk) * ( vb(ji+1,jj,jk) - vb(ji ,jj ,jk) ) |
---|
| 179 | END DO |
---|
| 180 | END DO |
---|
| 181 | |
---|
| 182 | |
---|
| 183 | ! I.2 Vertical fluxes |
---|
| 184 | ! ------------------- |
---|
| 185 | |
---|
| 186 | ! Surface and bottom vertical fluxes set to zero |
---|
| 187 | DO ji = 1, jpi |
---|
| 188 | zfuw(ji, 1 ) = 0.e0 |
---|
| 189 | zfvw(ji, 1 ) = 0.e0 |
---|
| 190 | zfuw(ji,jpk) = 0.e0 |
---|
| 191 | zfvw(ji,jpk) = 0.e0 |
---|
| 192 | END DO |
---|
| 193 | |
---|
| 194 | ! interior (2=<jk=<jpk-1) on U field |
---|
| 195 | DO jk = 2, jpkm1 |
---|
| 196 | DO ji = 2, jpim1 |
---|
| 197 | zcoef0= 0.5 * aht0 * umask(ji,jj,jk) |
---|
| 198 | |
---|
| 199 | zuwslpi = zcoef0 * ( wslpi(ji+1,jj,jk) + wslpi(ji,jj,jk) ) |
---|
| 200 | zuwslpj = zcoef0 * ( wslpj(ji+1,jj,jk) + wslpj(ji,jj,jk) ) |
---|
| 201 | |
---|
| 202 | zmkt = 1./MAX( tmask(ji,jj,jk-1)+tmask(ji+1,jj,jk-1) & |
---|
| 203 | + tmask(ji,jj,jk )+tmask(ji+1,jj,jk ), 1. ) |
---|
| 204 | zmkf = 1./MAX( fmask(ji,jj-1,jk-1)+fmask(ji,jj,jk-1) & |
---|
| 205 | + fmask(ji,jj-1,jk )+fmask(ji,jj,jk ), 1. ) |
---|
| 206 | |
---|
| 207 | zcoef3 = - e2u(ji,jj) * zmkt * zuwslpi |
---|
| 208 | zcoef4 = - e1u(ji,jj) * zmkf * zuwslpj |
---|
| 209 | ! vertical flux on u field |
---|
| 210 | zfuw(ji,jk) = zcoef3 * ( zdiu (ji,jk-1) + zdiu (ji+1,jk-1) & |
---|
| 211 | +zdiu (ji,jk ) + zdiu (ji+1,jk ) ) & |
---|
| 212 | + zcoef4 * ( zdj1u(ji,jk-1) + zdju (ji ,jk-1) & |
---|
| 213 | +zdj1u(ji,jk ) + zdju (ji ,jk ) ) |
---|
| 214 | ! update avmu (add isopycnal vertical coefficient to avmu) |
---|
| 215 | avmu(ji,jj,jk) = avmu(ji,jj,jk) + ( zuwslpi * zuwslpi & |
---|
| 216 | + zuwslpj * zuwslpj ) / aht0 |
---|
| 217 | END DO |
---|
| 218 | END DO |
---|
| 219 | |
---|
| 220 | ! interior (2=<jk=<jpk-1) on V field |
---|
| 221 | DO jk = 2, jpkm1 |
---|
| 222 | DO ji = 2, jpim1 |
---|
| 223 | zcoef0= 0.5 * aht0 * vmask(ji,jj,jk) |
---|
| 224 | |
---|
| 225 | zvwslpi = zcoef0 * ( wslpi(ji,jj+1,jk) + wslpi(ji,jj,jk) ) |
---|
| 226 | zvwslpj = zcoef0 * ( wslpj(ji,jj+1,jk) + wslpj(ji,jj,jk) ) |
---|
| 227 | |
---|
| 228 | zmkf = 1./MAX( fmask(ji-1,jj,jk-1)+fmask(ji,jj,jk-1) & |
---|
| 229 | + fmask(ji-1,jj,jk )+fmask(ji,jj,jk ), 1. ) |
---|
| 230 | zmkt = 1./MAX( tmask(ji,jj,jk-1)+tmask(ji,jj+1,jk-1) & |
---|
| 231 | + tmask(ji,jj,jk )+tmask(ji,jj+1,jk ), 1. ) |
---|
| 232 | |
---|
| 233 | zcoef3 = - e2v(ji,jj) * zmkf * zvwslpi |
---|
| 234 | zcoef4 = - e1v(ji,jj) * zmkt * zvwslpj |
---|
| 235 | ! vertical flux on v field |
---|
| 236 | zfvw(ji,jk) = zcoef3 * ( zdiv (ji,jk-1) + zdiv (ji-1,jk-1) & |
---|
| 237 | +zdiv (ji,jk ) + zdiv (ji-1,jk ) ) & |
---|
| 238 | + zcoef4 * ( zdjv (ji,jk-1) + zdj1v(ji ,jk-1) & |
---|
| 239 | +zdjv (ji,jk ) + zdj1v(ji ,jk ) ) |
---|
| 240 | ! update avmv (add isopycnal vertical coefficient to avmv) |
---|
| 241 | avmv(ji,jj,jk) = avmv(ji,jj,jk) + ( zvwslpi * zvwslpi & |
---|
| 242 | + zvwslpj * zvwslpj ) / aht0 |
---|
| 243 | END DO |
---|
| 244 | END DO |
---|
| 245 | |
---|
| 246 | |
---|
| 247 | ! I.3 Divergence of vertical fluxes added to the general tracer trend |
---|
| 248 | ! ------------------------------------------------------------------- |
---|
| 249 | |
---|
| 250 | DO jk = 1, jpkm1 |
---|
| 251 | DO ji = 2, jpim1 |
---|
| 252 | ! volume elements |
---|
| 253 | zbu = e1u(ji,jj) * e2u(ji,jj) * fse3u(ji,jj,jk) |
---|
| 254 | zbv = e1v(ji,jj) * e2v(ji,jj) * fse3v(ji,jj,jk) |
---|
| 255 | ! part of the k-component of isopycnal momentum diffusive trends |
---|
| 256 | zuav = ( zfuw(ji,jk) - zfuw(ji,jk+1) ) / zbu |
---|
| 257 | zvav = ( zfvw(ji,jk) - zfvw(ji,jk+1) ) / zbv |
---|
| 258 | ! add the trends to the general trends |
---|
| 259 | ua(ji,jj,jk) = ua(ji,jj,jk) + zuav |
---|
| 260 | va(ji,jj,jk) = va(ji,jj,jk) + zvav |
---|
| 261 | END DO |
---|
| 262 | END DO |
---|
[216] | 263 | ! ! =============== |
---|
| 264 | END DO ! End of slab |
---|
| 265 | ! ! =============== |
---|
| 266 | IF( l_trddyn ) THEN |
---|
| 267 | ! save these trends in addition to the lateral diffusion one for diagnostics |
---|
| 268 | uldftrd(:,:,:) = uldftrd(:,:,:) + ua(:,:,:) - ztdua(:,:,:) |
---|
| 269 | vldftrd(:,:,:) = vldftrd(:,:,:) + va(:,:,:) - ztdva(:,:,:) |
---|
[3] | 270 | |
---|
[216] | 271 | ! save new trends ua and va |
---|
| 272 | ztdua(:,:,:) = ua(:,:,:) |
---|
| 273 | ztdva(:,:,:) = va(:,:,:) |
---|
| 274 | ENDIF |
---|
[3] | 275 | |
---|
[216] | 276 | ! ! =============== |
---|
| 277 | DO jj = 2, jpjm1 ! Vertical slab |
---|
| 278 | ! ! =============== |
---|
[3] | 279 | ! 1. Vertical diffusion on u |
---|
| 280 | ! --------------------------- |
---|
| 281 | |
---|
| 282 | ! 1.0 Matrix and second member construction |
---|
| 283 | ! bottom boundary condition: only zws must be masked as avmu can take |
---|
| 284 | ! non zero value at the ocean bottom depending on the bottom friction |
---|
| 285 | ! used (see zdfmix.F) |
---|
| 286 | DO jk = 1, jpkm1 |
---|
| 287 | DO ji = 2, jpim1 |
---|
| 288 | zcoef = - z2dt / fse3u(ji,jj,jk) |
---|
| 289 | zwi(ji,jk) = zcoef * avmu(ji,jj,jk ) / fse3uw(ji,jj,jk ) |
---|
| 290 | zzws = zcoef * avmu(ji,jj,jk+1) / fse3uw(ji,jj,jk+1) |
---|
| 291 | zws(ji,jk) = zzws * umask(ji,jj,jk+1) |
---|
| 292 | zwd(ji,jk) = 1. - zwi(ji,jk) - zzws |
---|
| 293 | zwy(ji,jk) = ub(ji,jj,jk) + z2dt * ua(ji,jj,jk) |
---|
| 294 | END DO |
---|
| 295 | END DO |
---|
| 296 | |
---|
| 297 | ! 1.1 Surface boudary conditions |
---|
| 298 | DO ji = 2, jpim1 |
---|
| 299 | z2dtf = z2dt / ( fse3u(ji,jj,1)*rau0 ) |
---|
| 300 | zwi(ji,1) = 0. |
---|
| 301 | zwd(ji,1) = 1. - zws(ji,1) |
---|
| 302 | zwy(ji,1) = zwy(ji,1) + z2dtf * taux(ji,jj) |
---|
| 303 | END DO |
---|
| 304 | |
---|
| 305 | ! 1.2 Matrix inversion starting from the first level |
---|
| 306 | ikst = 1 |
---|
| 307 | #include "zdf.matrixsolver.h90" |
---|
| 308 | |
---|
| 309 | ! 1.3 Normalization to obtain the general momentum trend ua |
---|
| 310 | DO jk = 1, jpkm1 |
---|
| 311 | DO ji = 2, jpim1 |
---|
[216] | 312 | ua(ji,jj,jk) = ( zwx(ji,jk) - ub(ji,jj,jk) ) / z2dt |
---|
[3] | 313 | END DO |
---|
| 314 | END DO |
---|
| 315 | |
---|
| 316 | ! 1.4 diagnose surface and bottom momentum fluxes |
---|
| 317 | DO ji = 2, jpim1 |
---|
| 318 | ! save the surface forcing momentum fluxes |
---|
[216] | 319 | ztsx(ji,jj) = taux(ji,jj) / ( fse3u(ji,jj,1)*rau0 ) |
---|
[3] | 320 | ! save bottom friction momentum fluxes |
---|
| 321 | ikbu = min( mbathy(ji+1,jj), mbathy(ji,jj) ) |
---|
| 322 | ikbum1 = max( ikbu-1, 1 ) |
---|
[216] | 323 | ztbx(ji,jj) = - avmu(ji,jj,ikbu) * zwx(ji,ikbum1) & |
---|
[3] | 324 | / ( fse3u(ji,jj,ikbum1)*fse3uw(ji,jj,ikbu) ) |
---|
| 325 | ! subtract surface forcing and bottom friction trend from vertical |
---|
| 326 | ! diffusive momentum trend |
---|
[216] | 327 | ztdua(ji,jj,1 ) = ztdua(ji,jj,1 ) - ztsx(ji,jj) |
---|
| 328 | ztdua(ji,jj,ikbum1) = ztdua(ji,jj,ikbum1) - ztbx(ji,jj) |
---|
[3] | 329 | END DO |
---|
| 330 | |
---|
| 331 | ! 2. Vertical diffusion on v |
---|
| 332 | ! --------------------------- |
---|
| 333 | |
---|
| 334 | ! 2.0 Matrix and second member construction |
---|
| 335 | ! bottom boundary condition: only zws must be masked as avmv can take |
---|
| 336 | ! non zero value at the ocean bottom depending on the bottom friction |
---|
| 337 | ! used (see zdfmix.F) |
---|
| 338 | DO jk = 1, jpkm1 |
---|
| 339 | DO ji = 2, jpim1 |
---|
| 340 | zcoef = -z2dt/fse3v(ji,jj,jk) |
---|
| 341 | zwi(ji,jk) = zcoef * avmv(ji,jj,jk ) / fse3vw(ji,jj,jk ) |
---|
| 342 | zzws = zcoef * avmv(ji,jj,jk+1) / fse3vw(ji,jj,jk+1) |
---|
| 343 | zws(ji,jk) = zzws * vmask(ji,jj,jk+1) |
---|
| 344 | zwd(ji,jk) = 1. - zwi(ji,jk) - zzws |
---|
| 345 | zwy(ji,jk) = vb(ji,jj,jk) + z2dt * va(ji,jj,jk) |
---|
| 346 | END DO |
---|
| 347 | END DO |
---|
| 348 | |
---|
| 349 | ! 2.1 Surface boudary conditions |
---|
| 350 | DO ji = 2, jpim1 |
---|
| 351 | z2dtf = z2dt / ( fse3v(ji,jj,1)*rau0 ) |
---|
| 352 | zwi(ji,1) = 0.e0 |
---|
| 353 | zwd(ji,1) = 1. - zws(ji,1) |
---|
| 354 | zwy(ji,1) = zwy(ji,1) + z2dtf * tauy(ji,jj) |
---|
| 355 | END DO |
---|
| 356 | |
---|
| 357 | ! 2.2 Matrix inversion starting from the first level |
---|
| 358 | ikst = 1 |
---|
| 359 | #include "zdf.matrixsolver.h90" |
---|
| 360 | |
---|
| 361 | ! 2.3 Normalization to obtain the general momentum trend va |
---|
| 362 | DO jk = 1, jpkm1 |
---|
| 363 | DO ji = 2, jpim1 |
---|
[216] | 364 | va(ji,jj,jk) = ( zwx(ji,jk) - vb(ji,jj,jk) ) / z2dt |
---|
[3] | 365 | END DO |
---|
| 366 | END DO |
---|
| 367 | |
---|
| 368 | ! 2.4 diagnose surface and bottom momentum fluxes |
---|
| 369 | DO ji = 2, jpim1 |
---|
| 370 | ! save the surface forcing momentum fluxes |
---|
[216] | 371 | ztsy(ji,jj) = tauy(ji,jj) / ( fse3v(ji,jj,1)*rau0 ) |
---|
[3] | 372 | ! save bottom friction momentum fluxes |
---|
| 373 | ikbv = min( mbathy(ji,jj+1), mbathy(ji,jj) ) |
---|
| 374 | ikbvm1 = max( ikbv-1, 1 ) |
---|
[216] | 375 | ztby(ji,jj) = - avmv(ji,jj,ikbv) * zwx(ji,ikbvm1) & |
---|
[3] | 376 | / ( fse3v(ji,jj,ikbvm1)*fse3vw(ji,jj,ikbv) ) |
---|
| 377 | ! subtract surface forcing and bottom friction trend from vertical |
---|
| 378 | ! diffusive momentum trend |
---|
[216] | 379 | ztdva(ji,jj,1 ) = ztdva(ji,jj,1 ) - ztsy(ji,jj) |
---|
| 380 | ztdva(ji,jj,ikbvm1) = ztdva(ji,jj,ikbvm1) - ztby(ji,jj) |
---|
[3] | 381 | END DO |
---|
| 382 | ! ! =============== |
---|
| 383 | END DO ! End of slab |
---|
| 384 | ! ! =============== |
---|
[216] | 385 | |
---|
| 386 | ! save the vertical diffusive trends for diagnostic |
---|
| 387 | ! momentum trends |
---|
| 388 | IF( l_trddyn ) THEN |
---|
| 389 | ztdua(:,:,:) = ua(:,:,:) - ztdua(:,:,:) |
---|
| 390 | ztdva(:,:,:) = va(:,:,:) - ztdva(:,:,:) |
---|
| 391 | |
---|
| 392 | CALL trd_mod(uldftrd, vldftrd, jpdtdldf, 'DYN', kt) |
---|
| 393 | CALL trd_mod(ztdua, ztdva, jpdtdzdf, 'DYN', kt) |
---|
| 394 | ztdua(:,:,:) = 0.e0 |
---|
| 395 | ztdva(:,:,:) = 0.e0 |
---|
| 396 | ztdua(:,:,1) = ztsx(:,:) |
---|
| 397 | ztdva(:,:,1) = ztsy(:,:) |
---|
| 398 | CALL trd_mod(ztdua , ztdva , jpdtdswf, 'DYN', kt) |
---|
| 399 | ztdua(:,:,:) = 0.e0 |
---|
| 400 | ztdva(:,:,:) = 0.e0 |
---|
| 401 | ztdua(:,:,1) = ztbx(:,:) |
---|
| 402 | ztdva(:,:,1) = ztby(:,:) |
---|
| 403 | CALL trd_mod(ztdua , ztdva , jpdtdbfr, 'DYN', kt) |
---|
| 404 | ENDIF |
---|
| 405 | |
---|
| 406 | IF(l_ctl) THEN ! print sum trends (used for debugging) |
---|
| 407 | zua = SUM( ua(2:nictl,2:njctl,1:jpkm1) * umask(2:nictl,2:njctl,1:jpkm1) ) |
---|
| 408 | zva = SUM( va(2:nictl,2:njctl,1:jpkm1) * vmask(2:nictl,2:njctl,1:jpkm1) ) |
---|
| 409 | WRITE(numout,*) ' zdf - Ua: ', zua-u_ctl, ' Va: ', zva-v_ctl |
---|
| 410 | u_ctl = zua ; v_ctl = zva |
---|
| 411 | ENDIF |
---|
| 412 | |
---|
[3] | 413 | END SUBROUTINE dyn_zdf_iso |
---|
| 414 | |
---|
| 415 | #else |
---|
| 416 | !!---------------------------------------------------------------------- |
---|
| 417 | !! Dummy module NO rotation of the mixing tensor |
---|
| 418 | !!---------------------------------------------------------------------- |
---|
| 419 | CONTAINS |
---|
| 420 | SUBROUTINE dyn_zdf_iso( kt ) ! Dummy routine |
---|
[32] | 421 | WRITE(*,*) 'dyn_zdf_iso: You should not have seen this print! error?', kt |
---|
[3] | 422 | END SUBROUTINE dyn_zdf_iso |
---|
| 423 | #endif |
---|
| 424 | |
---|
| 425 | !!============================================================================== |
---|
| 426 | END MODULE dynzdf_iso |
---|