| 1 | MODULE ldfeiv_vis |
|---|
| 2 | !!====================================================================== |
|---|
| 3 | !! *** MODULE ldfeiv_vis *** |
|---|
| 4 | !! Ocean physics: variable eddy induced velocity coefficients |
|---|
| 5 | !!====================================================================== |
|---|
| 6 | #if defined key_traldf_eiv && defined key_traldf_c2d |
|---|
| 7 | !!---------------------------------------------------------------------- |
|---|
| 8 | !! 'key_traldf_eiv' and eddy induced velocity |
|---|
| 9 | !! 'key_traldf_c2d' 2D tracer lateral mixing coef. |
|---|
| 10 | !!---------------------------------------------------------------------- |
|---|
| 11 | !! ldf_eiv : compute the eddy induced velocity coefficients |
|---|
| 12 | !!---------------------------------------------------------------------- |
|---|
| 13 | !! * Modules used |
|---|
| 14 | USE oce ! ocean dynamics and tracers |
|---|
| 15 | USE dom_oce ! ocean space and time domain |
|---|
| 16 | USE sbc_oce ! surface boundary condition: ocean |
|---|
| 17 | USE sbcrnf ! river runoffs |
|---|
| 18 | USE ldftra_oce ! ocean tracer lateral physics |
|---|
| 19 | USE phycst ! physical constants |
|---|
| 20 | USE ldfslp ! iso-neutral slopes |
|---|
| 21 | USE in_out_manager ! I/O manager |
|---|
| 22 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
|---|
| 23 | USE prtctl ! Print control |
|---|
| 24 | |
|---|
| 25 | IMPLICIT NONE |
|---|
| 26 | PRIVATE |
|---|
| 27 | |
|---|
| 28 | !! * Routine accessibility |
|---|
| 29 | PUBLIC ldf_eiv_vis ! routine called by step.F90 |
|---|
| 30 | !!---------------------------------------------------------------------- |
|---|
| 31 | !! OPA 9.0 , LOCEAN-IPSL (2005) |
|---|
| 32 | !! $Id: ldfeiv.F90 1146 2008-06-25 11:42:56Z rblod $ |
|---|
| 33 | !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt |
|---|
| 34 | !!---------------------------------------------------------------------- |
|---|
| 35 | !! * Substitutions |
|---|
| 36 | # include "domzgr_substitute.h90" |
|---|
| 37 | # include "vectopt_loop_substitute.h90" |
|---|
| 38 | !!---------------------------------------------------------------------- |
|---|
| 39 | |
|---|
| 40 | CONTAINS |
|---|
| 41 | |
|---|
| 42 | # if defined key_mpp_omp |
|---|
| 43 | !!---------------------------------------------------------------------- |
|---|
| 44 | !! 'key_mpp_omp' : OpenMP / NEC autotasking (j-slab) |
|---|
| 45 | !!---------------------------------------------------------------------- |
|---|
| 46 | |
|---|
| 47 | SUBROUTINE ldf_eiv_vis( kt ) |
|---|
| 48 | !!---------------------------------------------------------------------- |
|---|
| 49 | !! *** ROUTINE ldf_eiv *** |
|---|
| 50 | !! |
|---|
| 51 | !! ** Purpose : Compute the eddy induced velocity coefficient from the |
|---|
| 52 | !! growth rate of baroclinic instability. |
|---|
| 53 | !! |
|---|
| 54 | !! ** Method : |
|---|
| 55 | !! |
|---|
| 56 | !! ** Action : uslp(), : i- and j-slopes of neutral surfaces |
|---|
| 57 | !! vslp() at u- and v-points, resp. |
|---|
| 58 | !! wslpi(), : i- and j-slopes of neutral surfaces |
|---|
| 59 | !! wslpj() at w-points. |
|---|
| 60 | !! |
|---|
| 61 | !! History : |
|---|
| 62 | !! 8.1 ! 99-03 (G. Madec, A. Jouzeau) Original code |
|---|
| 63 | !! 8.5 ! 02-06 (G. Madec) Free form, F90 |
|---|
| 64 | !!---------------------------------------------------------------------- |
|---|
| 65 | !! * Arguments |
|---|
| 66 | INTEGER, INTENT( in ) :: kt ! ocean time-step inedx |
|---|
| 67 | |
|---|
| 68 | !! * Local declarations |
|---|
| 69 | INTEGER :: ji, jj, jk, zgap, znsend ! dummy loop indices |
|---|
| 70 | REAL(wp) :: & |
|---|
| 71 | zfw, ze3w, zn2, zf20, & ! temporary scalars |
|---|
| 72 | zaht, zaht_min, & |
|---|
| 73 | ztmin1max, zan,zas,zaw,zae, & |
|---|
| 74 | zlscale |
|---|
| 75 | REAL(wp), DIMENSION(jpi,jpj) :: & |
|---|
| 76 | zn, zah, zhw, zross, zana, zasa, zawa, zaea, ztmin1, & |
|---|
| 77 | zindn, zinds, zinde, zindw, znstot, zewtot ! workspace |
|---|
| 78 | !!---------------------------------------------------------------------- |
|---|
| 79 | |
|---|
| 80 | IF( kt == nit000 ) THEN |
|---|
| 81 | IF(lwp) WRITE(numout,*) |
|---|
| 82 | IF(lwp) WRITE(numout,*) 'ldf_eiv_vis : eddy induced velocity coefficients' |
|---|
| 83 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~ NEC autotasking / OpenMP : j-slab' |
|---|
| 84 | ENDIF |
|---|
| 85 | |
|---|
| 86 | ztmin1max=3.5e-06 |
|---|
| 87 | |
|---|
| 88 | !! warning: if this code is combined with Griffies scheme the following lines should be modified |
|---|
| 89 | !! |
|---|
| 90 | !! IF ( .NOT. ln_traldf_grif) THEN |
|---|
| 91 | wslp2(:,:,:)=wslpi(:,:,:) * wslpi(:,:,:) + wslpj(:,:,:) * wslpj(:,:,:) |
|---|
| 92 | !! END IF |
|---|
| 93 | |
|---|
| 94 | ! ! =============== |
|---|
| 95 | DO jj = 2, jpjm1 ! Vertical slab |
|---|
| 96 | ! ! =============== |
|---|
| 97 | |
|---|
| 98 | ! 0. Local initialization |
|---|
| 99 | ! ----------------------- |
|---|
| 100 | zn (:,jj) = 0.e0 |
|---|
| 101 | zhw (:,jj) = 5.e0 |
|---|
| 102 | zah (:,jj) = 0.e0 |
|---|
| 103 | zross(:,jj) = 0.e0 |
|---|
| 104 | |
|---|
| 105 | ! 1. Compute lateral diffusive coefficient |
|---|
| 106 | ! ---------------------------------------- |
|---|
| 107 | |
|---|
| 108 | !CDIR NOVERRCHK |
|---|
| 109 | DO jk = 11,27 |
|---|
| 110 | !CDIR NOVERRCHK |
|---|
| 111 | DO ji = 2, jpim1 |
|---|
| 112 | ! Take the max of N^2 and zero then take the vertical sum |
|---|
| 113 | ! of the square root of the resulting N^2 ( required to compute |
|---|
| 114 | ! internal Rossby radius Ro = .5 * sum_jpk(N) / f |
|---|
| 115 | zn2 = MAX( rn2(ji,jj,jk), 0.e0 ) |
|---|
| 116 | ze3w = fse3w(ji,jj,jk) * tmask(ji,jj,jk) |
|---|
| 117 | zn(ji,jj) = zn(ji,jj) + SQRT( zn2 ) * fse3w(ji,jj,jk) |
|---|
| 118 | ! Compute elements required for the inverse time scale of baroclinic |
|---|
| 119 | ! eddies using the isopycnal slopes calculated in ldfslp.F : |
|---|
| 120 | ! T^-1 = sqrt(m_jpk(N^2*(r1^2+r2^2)*e3w)) |
|---|
| 121 | zah(ji,jj) = zah(ji,jj) + zn2 * wslp2(ji,jj,jk) * ze3w |
|---|
| 122 | zhw(ji,jj) = zhw(ji,jj) + ze3w |
|---|
| 123 | END DO |
|---|
| 124 | END DO |
|---|
| 125 | |
|---|
| 126 | !CDIR NOVERRCHK |
|---|
| 127 | DO ji = 2, jpim1 |
|---|
| 128 | IF (zhw(ji,jj) > 0) THEN |
|---|
| 129 | ztmin1(ji,jj)=SQRT( zah(ji,jj) / zhw(ji,jj) ) |
|---|
| 130 | ELSE |
|---|
| 131 | ztmin1(ji,jj)=0.0 |
|---|
| 132 | ENDIF |
|---|
| 133 | ENDDO |
|---|
| 134 | ENDDO |
|---|
| 135 | |
|---|
| 136 | zindn(:,:)=0.0 |
|---|
| 137 | zinds(:,:)=0.0 |
|---|
| 138 | zindw(:,:)=0.0 |
|---|
| 139 | zinde(:,:)=0.0 |
|---|
| 140 | zana(:,:)=0.0 |
|---|
| 141 | zasa(:,:)=0.0 |
|---|
| 142 | zawa(:,:)=0.0 |
|---|
| 143 | zaea(:,:)=0.0 |
|---|
| 144 | |
|---|
| 145 | DO jj = 2, jpjm1 |
|---|
| 146 | DO ji = 2, jpim1 |
|---|
| 147 | IF ( ztmin1(ji,jj) > ztmin1max ) THEN |
|---|
| 148 | zan=e2t(ji,jj)/2 |
|---|
| 149 | DO zgap=1,MIN(15,nlcj-1-jj) |
|---|
| 150 | IF (ztmin1(ji,jj+zgap) < ztmin1max ) GOTO 100 |
|---|
| 151 | zan=zan+e2t(ji,jj+zgap) |
|---|
| 152 | ENDDO |
|---|
| 153 | IF (zgap == nlcj-jj) zindn(ji,jj)=1 |
|---|
| 154 | 100 zas=e2t(ji,jj)/2 |
|---|
| 155 | DO zgap=1,MIN(15,jj-2) |
|---|
| 156 | IF (ztmin1(ji,jj-zgap) < ztmin1max ) GOTO 200 |
|---|
| 157 | zas=zas+e2t(ji,jj-zgap) |
|---|
| 158 | ENDDO |
|---|
| 159 | IF (zgap == jj-1) zinds(ji,jj)=1 |
|---|
| 160 | 200 zaw=e1t(ji,jj)/2 |
|---|
| 161 | DO zgap=1,MIN(15,ji-2) |
|---|
| 162 | IF (ztmin1(ji-zgap,jj) < ztmin1max ) GOTO 300 |
|---|
| 163 | zaw=zaw+e1t(ji-zgap,jj) |
|---|
| 164 | ENDDO |
|---|
| 165 | IF (zgap == ji-1) zindw(ji,jj)=1 |
|---|
| 166 | 300 zae=e1t(ji,jj)/2 |
|---|
| 167 | DO zgap=1,MIN(15,nlci-1-ji) |
|---|
| 168 | IF (ztmin1(ji+zgap,jj) < ztmin1max ) GOTO 400 |
|---|
| 169 | zae=zae+e1t(ji+zgap,jj) |
|---|
| 170 | ENDDO |
|---|
| 171 | IF (zgap == nlci-ji) zinde(ji,jj)=1 |
|---|
| 172 | 400 zana(ji,jj)=zan |
|---|
| 173 | zasa(ji,jj)=zas |
|---|
| 174 | zawa(ji,jj)=zaw |
|---|
| 175 | zaea(ji,jj)=zae |
|---|
| 176 | ENDIF |
|---|
| 177 | ENDDO |
|---|
| 178 | ENDDO |
|---|
| 179 | |
|---|
| 180 | znsend=nlcj-1 |
|---|
| 181 | ! This code deals with the case of T-pivot at the North fold to ensure the |
|---|
| 182 | ! correct elements of znstot are set before calling lbc_lnk |
|---|
| 183 | IF (jperio == 3 .OR. jperio == 4) THEN |
|---|
| 184 | IF (nproc >= jpnij-jpni) THEN |
|---|
| 185 | znsend=nlcj-2 |
|---|
| 186 | ENDIF |
|---|
| 187 | ENDIF |
|---|
| 188 | |
|---|
| 189 | znstot(:,znsend)=zana(:,znsend)+zasa(:,znsend) |
|---|
| 190 | znstot(:,2)=zana(:,2)+zasa(:,2) |
|---|
| 191 | zewtot(nlci-1,:)=zawa(nlci-1,:)+zaea(nlci-1,:) |
|---|
| 192 | zewtot(2,:)=zawa(2,:)+zaea(2,:) |
|---|
| 193 | |
|---|
| 194 | CALL lbc_lnk( znstot, 'T', 1. ) |
|---|
| 195 | CALL lbc_lnk( zewtot, 'T', 1. ) |
|---|
| 196 | |
|---|
| 197 | DO jj = 2, jpjm1 |
|---|
| 198 | !CDIR NOVERRCHK |
|---|
| 199 | DO ji = 2, jpim1 |
|---|
| 200 | zana(ji,jj)=zana(ji,jj)+zindn(ji,jj)*znstot(ji,nlcj) |
|---|
| 201 | zasa(ji,jj)=zasa(ji,jj)+zinds(ji,jj)*znstot(ji,1) |
|---|
| 202 | zawa(ji,jj)=zawa(ji,jj)+zindw(ji,jj)*zewtot(1,jj) |
|---|
| 203 | zaea(ji,jj)=zaea(ji,jj)+zinde(ji,jj)*zewtot(nlci,jj) |
|---|
| 204 | |
|---|
| 205 | zana(ji,jj)=MIN(zana(ji,jj),10*e2t(ji,jj)) |
|---|
| 206 | zasa(ji,jj)=MIN(zasa(ji,jj),10*e2t(ji,jj)) |
|---|
| 207 | zawa(ji,jj)=MIN(zawa(ji,jj),10*e1t(ji,jj)) |
|---|
| 208 | zaea(ji,jj)=MIN(zaea(ji,jj),10*e1t(ji,jj)) |
|---|
| 209 | |
|---|
| 210 | znstot(ji,jj)=zana(ji,jj)+zasa(ji,jj) |
|---|
| 211 | zewtot(ji,jj)=zawa(ji,jj)+zaea(ji,jj) |
|---|
| 212 | |
|---|
| 213 | IF ( znstot(ji,jj) == 0) THEN |
|---|
| 214 | zlscale=0 |
|---|
| 215 | ELSE |
|---|
| 216 | IF ( znstot(ji,jj) < zewtot(ji,jj) ) THEN |
|---|
| 217 | zlscale=(MIN(zana(ji,jj),zasa(ji,jj))/MAX(zana(ji,jj),zasa(ji,jj)))*znstot(ji,jj) |
|---|
| 218 | ELSE |
|---|
| 219 | zlscale=(MIN(zaea(ji,jj),zawa(ji,jj))/MAX(zaea(ji,jj),zawa(ji,jj)))*zewtot(ji,jj) |
|---|
| 220 | ENDIF |
|---|
| 221 | ENDIF |
|---|
| 222 | |
|---|
| 223 | zlscale=MAX(e2t(ji,jj),zlscale) |
|---|
| 224 | zlscale=MAX(e1t(ji,jj),zlscale) |
|---|
| 225 | |
|---|
| 226 | aeiw(ji,jj) = 0.015 * (zlscale**2) * SQRT( zah(ji,jj) / zhw(ji,jj) ) * tmask(ji,jj,1) |
|---|
| 227 | aeiw(ji,jj) = MIN (aeiw(ji,jj),2000.0) |
|---|
| 228 | aeiw(ji,jj) = MAX (aeiw(ji,jj),150.0)*tmask(ji,jj,1) |
|---|
| 229 | END DO |
|---|
| 230 | |
|---|
| 231 | ! ORCA R05: Take the minimum between aeiw and 1000m2/s |
|---|
| 232 | IF( cp_cfg == "orca" .AND. jp_cfg == 05 ) THEN ! ORCA R05 |
|---|
| 233 | DO ji = 2, jpim1 |
|---|
| 234 | aeiw(ji,jj) = MIN( aeiw(ji,jj), 1000. ) |
|---|
| 235 | END DO |
|---|
| 236 | ENDIF |
|---|
| 237 | ! ! =============== |
|---|
| 238 | END DO ! End of slab |
|---|
| 239 | ! ! =============== |
|---|
| 240 | |
|---|
| 241 | !,,,,,,,,,,,,,,,,,,,,,,,,,,,,,synchro,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, |
|---|
| 242 | |
|---|
| 243 | ! lateral boundary condition on aeiw |
|---|
| 244 | CALL lbc_lnk( aeiw, 'W', 1. ) |
|---|
| 245 | |
|---|
| 246 | ! Average the diffusive coefficient at u- v- points |
|---|
| 247 | DO jj = 2, jpjm1 |
|---|
| 248 | DO ji = fs_2, fs_jpim1 ! vector opt. |
|---|
| 249 | aeiu(ji,jj) = .5 * (aeiw(ji,jj) + aeiw(ji+1,jj )) |
|---|
| 250 | aeiv(ji,jj) = .5 * (aeiw(ji,jj) + aeiw(ji ,jj+1)) |
|---|
| 251 | END DO |
|---|
| 252 | END DO |
|---|
| 253 | !,,,,,,,,,,,,,,,,,,,,,,,,,,,,,synchro,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,,, |
|---|
| 254 | |
|---|
| 255 | ! lateral boundary condition on aeiu, aeiv |
|---|
| 256 | CALL lbc_lnk( aeiu, 'U', 1. ) |
|---|
| 257 | CALL lbc_lnk( aeiv, 'V', 1. ) |
|---|
| 258 | |
|---|
| 259 | IF(ln_ctl) THEN |
|---|
| 260 | CALL prt_ctl(tab2d_1=aeiu, clinfo1=' eiv - u: ', ovlap=1) |
|---|
| 261 | CALL prt_ctl(tab2d_1=aeiv, clinfo1=' eiv - v: ', ovlap=1) |
|---|
| 262 | ENDIF |
|---|
| 263 | |
|---|
| 264 | ! ORCA R05: add a space variation on aht (=aeiv except at the equator and river mouth) |
|---|
| 265 | IF( cp_cfg == "orca" .AND. jp_cfg == 05 ) THEN |
|---|
| 266 | zf20 = 2. * omega * SIN( rad * 20. ) |
|---|
| 267 | zaht_min = 100. ! minimum value for aht |
|---|
| 268 | DO jj = 1, jpj |
|---|
| 269 | DO ji = 1, jpi |
|---|
| 270 | zaht = ( 1. - MIN( 1., ABS( ff(ji,jj) / zf20 ) ) ) * ( aht0 - zaht_min ) & |
|---|
| 271 | & + aht0 * upsrnfh(ji,jj) ! enhanced near river mouths |
|---|
| 272 | ahtu(ji,jj) = MAX( zaht_min, aeiu(ji,jj) ) + zaht |
|---|
| 273 | ahtv(ji,jj) = MAX( zaht_min, aeiv(ji,jj) ) + zaht |
|---|
| 274 | ahtw(ji,jj) = MAX( zaht_min, aeiw(ji,jj) ) + zaht |
|---|
| 275 | END DO |
|---|
| 276 | END DO |
|---|
| 277 | IF(ln_ctl) THEN |
|---|
| 278 | CALL prt_ctl(tab2d_1=ahtu, clinfo1=' aht - u: ', ovlap=1) |
|---|
| 279 | CALL prt_ctl(tab2d_1=ahtv, clinfo1=' aht - v: ', ovlap=1) |
|---|
| 280 | CALL prt_ctl(tab2d_1=ahtw, clinfo1=' aht - w: ', ovlap=1) |
|---|
| 281 | ENDIF |
|---|
| 282 | ENDIF |
|---|
| 283 | |
|---|
| 284 | IF( aeiv0 == 0.e0 ) THEN |
|---|
| 285 | aeiu(:,:) = 0.e0 |
|---|
| 286 | aeiv(:,:) = 0.e0 |
|---|
| 287 | aeiw(:,:) = 0.e0 |
|---|
| 288 | ENDIF |
|---|
| 289 | |
|---|
| 290 | END SUBROUTINE ldf_eiv_vis |
|---|
| 291 | |
|---|
| 292 | # else |
|---|
| 293 | !!---------------------------------------------------------------------- |
|---|
| 294 | !! Default key k-j-i loops |
|---|
| 295 | !!---------------------------------------------------------------------- |
|---|
| 296 | |
|---|
| 297 | SUBROUTINE ldf_eiv_vis( kt ) |
|---|
| 298 | !!---------------------------------------------------------------------- |
|---|
| 299 | !! *** ROUTINE ldf_eiv_vis *** |
|---|
| 300 | !! |
|---|
| 301 | !! ** Purpose : Compute the eddy induced velocity coefficient from the |
|---|
| 302 | !! growth rate of baroclinic instability. |
|---|
| 303 | !! |
|---|
| 304 | !! ** Method : |
|---|
| 305 | !! |
|---|
| 306 | !! ** Action : - uslp(), : i- and j-slopes of neutral surfaces |
|---|
| 307 | !! - vslp() at u- and v-points, resp. |
|---|
| 308 | !! - wslpi(), : i- and j-slopes of neutral surfaces |
|---|
| 309 | !! - wslpj() at w-points. |
|---|
| 310 | !! |
|---|
| 311 | !! History : |
|---|
| 312 | !! 8.1 ! 99-03 (G. Madec, A. Jouzeau) Original code |
|---|
| 313 | !! 8.5 ! 02-06 (G. Madec) Free form, F90 |
|---|
| 314 | !!---------------------------------------------------------------------- |
|---|
| 315 | !! * Arguments |
|---|
| 316 | INTEGER, INTENT( in ) :: kt ! ocean time-step inedx |
|---|
| 317 | |
|---|
| 318 | !! * Local declarations |
|---|
| 319 | INTEGER :: ji, jj, jk, zgap, znsend ! dummy loop indices |
|---|
| 320 | REAL(wp) :: & |
|---|
| 321 | zfw, ze3w, zn2, zf20, & ! temporary scalars |
|---|
| 322 | zaht, zaht_min, & |
|---|
| 323 | ztmin1max, zan,zas,zaw,zae, & |
|---|
| 324 | zlscale |
|---|
| 325 | REAL(wp), DIMENSION(jpi,jpj) :: & |
|---|
| 326 | zn, zah, zhw, zross, zana, zasa, zawa, zaea, ztmin1, & |
|---|
| 327 | zindn, zinds, zinde, zindw, znstot, zewtot ! workspace |
|---|
| 328 | !!---------------------------------------------------------------------- |
|---|
| 329 | |
|---|
| 330 | IF( kt == nit000 ) THEN |
|---|
| 331 | IF(lwp) WRITE(numout,*) |
|---|
| 332 | IF(lwp) WRITE(numout,*) 'ldf_eiv_vis : eddy induced velocity coefficients' |
|---|
| 333 | IF(lwp) WRITE(numout,*) '~~~~~~~' |
|---|
| 334 | ENDIF |
|---|
| 335 | |
|---|
| 336 | ! 0. Local initialization |
|---|
| 337 | ! ----------------------- |
|---|
| 338 | zn (:,:) = 0.e0 |
|---|
| 339 | zhw (:,:) = 5.e0 |
|---|
| 340 | zah (:,:) = 0.e0 |
|---|
| 341 | zross(:,:) = 0.e0 |
|---|
| 342 | |
|---|
| 343 | ztmin1max=3.5e-06 |
|---|
| 344 | |
|---|
| 345 | !! warning: if this code is combined with Griffies scheme the following lines should be modified |
|---|
| 346 | !! |
|---|
| 347 | !! IF ( .NOT. ln_traldf_grif) THEN |
|---|
| 348 | wslp2(:,:,:)=wslpi(:,:,:) * wslpi(:,:,:) + wslpj(:,:,:) * wslpj(:,:,:) |
|---|
| 349 | !! END IF |
|---|
| 350 | |
|---|
| 351 | ! 1. Compute lateral diffusive coefficient |
|---|
| 352 | ! ---------------------------------------- |
|---|
| 353 | |
|---|
| 354 | DO jk = 11, 27 |
|---|
| 355 | # if defined key_vectopt_loop |
|---|
| 356 | !CDIR NOVERRCHK |
|---|
| 357 | DO ji = 1, jpij ! vector opt. |
|---|
| 358 | ! Take the max of N^2 and zero then take the vertical sum |
|---|
| 359 | ! of the square root of the resulting N^2 ( required to compute |
|---|
| 360 | ! internal Rossby radius Ro = .5 * sum_jpk(N) / f |
|---|
| 361 | zn2 = MAX( rn2(ji,1,jk), 0.e0 ) |
|---|
| 362 | zn(ji,1) = zn(ji,1) + SQRT( zn2 ) * fse3w(ji,1,jk) |
|---|
| 363 | ! Compute elements required for the inverse time scale of baroclinic |
|---|
| 364 | ! eddies using the isopycnal slopes calculated in ldfslp.F : |
|---|
| 365 | ! T^-1 = sqrt(m_jpk(N^2*(r1^2+r2^2)*e3w)) |
|---|
| 366 | ze3w = fse3w(ji,1,jk) * tmask(ji,1,jk) |
|---|
| 367 | zah(ji,1) = zah(ji,1) + zn2 * wslp2(ji,1,jk) * ze3w |
|---|
| 368 | zhw(ji,1) = zhw(ji,1) + ze3w |
|---|
| 369 | END DO |
|---|
| 370 | # else |
|---|
| 371 | DO jj = 2, jpjm1 |
|---|
| 372 | !CDIR NOVERRCHK |
|---|
| 373 | DO ji = 2, jpim1 |
|---|
| 374 | ! Take the max of N^2 and zero then take the vertical sum |
|---|
| 375 | ! of the square root of the resulting N^2 ( required to compute |
|---|
| 376 | ! internal Rossby radius Ro = .5 * sum_jpk(N) / f |
|---|
| 377 | zn2 = MAX( rn2(ji,jj,jk), 0.e0 ) |
|---|
| 378 | zn(ji,jj) = zn(ji,jj) + SQRT( zn2 ) * fse3w(ji,jj,jk) |
|---|
| 379 | ! Compute elements required for the inverse time scale of baroclinic |
|---|
| 380 | ! eddies using the isopycnal slopes calculated in ldfslp.F : |
|---|
| 381 | ! T^-1 = sqrt(m_jpk(N^2*(r1^2+r2^2)*e3w)) |
|---|
| 382 | ze3w = fse3w(ji,jj,jk) * tmask(ji,jj,jk) |
|---|
| 383 | zah(ji,jj) = zah(ji,jj) + zn2 * wslp2(ji,jj,jk) * ze3w |
|---|
| 384 | zhw(ji,jj) = zhw(ji,jj) + ze3w |
|---|
| 385 | END DO |
|---|
| 386 | END DO |
|---|
| 387 | # endif |
|---|
| 388 | END DO |
|---|
| 389 | |
|---|
| 390 | zindn(:,:)=0.0 |
|---|
| 391 | zinds(:,:)=0.0 |
|---|
| 392 | zindw(:,:)=0.0 |
|---|
| 393 | zinde(:,:)=0.0 |
|---|
| 394 | zana(:,:)=0.0 |
|---|
| 395 | zasa(:,:)=0.0 |
|---|
| 396 | zawa(:,:)=0.0 |
|---|
| 397 | zaea(:,:)=0.0 |
|---|
| 398 | |
|---|
| 399 | DO jj = 2, jpjm1 |
|---|
| 400 | !CDIR NOVERRCHK |
|---|
| 401 | DO ji = fs_2, fs_jpim1 ! vector opt. |
|---|
| 402 | ! Need to calculate zlscale2 by searching E-W and N-S |
|---|
| 403 | IF (zhw(ji,jj) > 0) THEN |
|---|
| 404 | ztmin1(ji,jj)=SQRT( zah(ji,jj) / zhw(ji,jj) ) |
|---|
| 405 | ELSE |
|---|
| 406 | ztmin1(ji,jj)=0.0 |
|---|
| 407 | ENDIF |
|---|
| 408 | ENDDO |
|---|
| 409 | ENDDO |
|---|
| 410 | |
|---|
| 411 | DO jj = 2, jpjm1 |
|---|
| 412 | DO ji = 2, jpim1 |
|---|
| 413 | IF ( ztmin1(ji,jj) > ztmin1max ) THEN |
|---|
| 414 | zan=e2t(ji,jj)/2 |
|---|
| 415 | DO zgap=1,MIN(15,nlcj-1-jj) |
|---|
| 416 | IF (ztmin1(ji,jj+zgap) < ztmin1max ) GOTO 100 |
|---|
| 417 | zan=zan+e2t(ji,jj+zgap) |
|---|
| 418 | ENDDO |
|---|
| 419 | IF (zgap == nlcj-jj) zindn(ji,jj)=1 |
|---|
| 420 | 100 zas=e2t(ji,jj)/2 |
|---|
| 421 | DO zgap=1,MIN(15,jj-2) |
|---|
| 422 | IF (ztmin1(ji,jj-zgap) < ztmin1max ) GOTO 200 |
|---|
| 423 | zas=zas+e2t(ji,jj-zgap) |
|---|
| 424 | ENDDO |
|---|
| 425 | IF (zgap == jj-1) zinds(ji,jj)=1 |
|---|
| 426 | 200 zaw=e1t(ji,jj)/2 |
|---|
| 427 | DO zgap=1,MIN(15,ji-2) |
|---|
| 428 | IF (ztmin1(ji-zgap,jj) < ztmin1max ) GOTO 300 |
|---|
| 429 | zaw=zaw+e1t(ji-zgap,jj) |
|---|
| 430 | ENDDO |
|---|
| 431 | IF (zgap == ji-1) zindw(ji,jj)=1 |
|---|
| 432 | 300 zae=e1t(ji,jj)/2 |
|---|
| 433 | DO zgap=1,MIN(15,nlci-1-ji) |
|---|
| 434 | IF (ztmin1(ji+zgap,jj) < ztmin1max ) GOTO 400 |
|---|
| 435 | zae=zae+e1t(ji+zgap,jj) |
|---|
| 436 | ENDDO |
|---|
| 437 | IF (zgap == nlci-ji) zinde(ji,jj)=1 |
|---|
| 438 | 400 zana(ji,jj)=zan |
|---|
| 439 | zasa(ji,jj)=zas |
|---|
| 440 | zawa(ji,jj)=zaw |
|---|
| 441 | zaea(ji,jj)=zae |
|---|
| 442 | ENDIF |
|---|
| 443 | ENDDO |
|---|
| 444 | ENDDO |
|---|
| 445 | |
|---|
| 446 | znsend=nlcj-1 |
|---|
| 447 | ! This code deals with the case of T-pivot at the North fold to ensure the |
|---|
| 448 | ! correct elements of znstot are set before calling lbc_lnk |
|---|
| 449 | IF (jperio == 3 .OR. jperio == 4) THEN |
|---|
| 450 | IF (nproc >= jpnij-jpni) THEN |
|---|
| 451 | znsend=nlcj-2 |
|---|
| 452 | ENDIF |
|---|
| 453 | ENDIF |
|---|
| 454 | |
|---|
| 455 | znstot(:,znsend)=zana(:,znsend)+zasa(:,znsend) |
|---|
| 456 | znstot(:,2)=zana(:,2)+zasa(:,2) |
|---|
| 457 | zewtot(nlci-1,:)=zawa(nlci-1,:)+zaea(nlci-1,:) |
|---|
| 458 | zewtot(2,:)=zawa(2,:)+zaea(2,:) |
|---|
| 459 | |
|---|
| 460 | CALL lbc_lnk( znstot, 'T', 1. ) |
|---|
| 461 | CALL lbc_lnk( zewtot, 'T', 1. ) |
|---|
| 462 | |
|---|
| 463 | DO jj = 2, jpjm1 |
|---|
| 464 | !CDIR NOVERRCHK |
|---|
| 465 | ! DO ji = fs_2, fs_jpim1 ! vector opt. |
|---|
| 466 | DO ji = fs_2, jpim1 |
|---|
| 467 | zana(ji,jj)=zana(ji,jj)+zindn(ji,jj)*znstot(ji,nlcj) |
|---|
| 468 | zasa(ji,jj)=zasa(ji,jj)+zinds(ji,jj)*znstot(ji,1) |
|---|
| 469 | zawa(ji,jj)=zawa(ji,jj)+zindw(ji,jj)*zewtot(1,jj) |
|---|
| 470 | zaea(ji,jj)=zaea(ji,jj)+zinde(ji,jj)*zewtot(nlci,jj) |
|---|
| 471 | |
|---|
| 472 | zana(ji,jj)=MIN(zana(ji,jj),10*e2t(ji,jj)) |
|---|
| 473 | zasa(ji,jj)=MIN(zasa(ji,jj),10*e2t(ji,jj)) |
|---|
| 474 | zawa(ji,jj)=MIN(zawa(ji,jj),10*e1t(ji,jj)) |
|---|
| 475 | zaea(ji,jj)=MIN(zaea(ji,jj),10*e1t(ji,jj)) |
|---|
| 476 | |
|---|
| 477 | znstot(ji,jj)=zana(ji,jj)+zasa(ji,jj) |
|---|
| 478 | zewtot(ji,jj)=zawa(ji,jj)+zaea(ji,jj) |
|---|
| 479 | |
|---|
| 480 | IF ( znstot(ji,jj) == 0) THEN |
|---|
| 481 | zlscale=0 |
|---|
| 482 | ELSE |
|---|
| 483 | IF ( znstot(ji,jj) < zewtot(ji,jj) ) THEN |
|---|
| 484 | zlscale=(MIN(zana(ji,jj),zasa(ji,jj))/MAX(zana(ji,jj),zasa(ji,jj)))*znstot(ji,jj) |
|---|
| 485 | ELSE |
|---|
| 486 | zlscale=(MIN(zaea(ji,jj),zawa(ji,jj))/MAX(zaea(ji,jj),zawa(ji,jj)))*zewtot(ji,jj) |
|---|
| 487 | ENDIF |
|---|
| 488 | ENDIF |
|---|
| 489 | |
|---|
| 490 | zlscale=MAX(e2t(ji,jj),zlscale) |
|---|
| 491 | zlscale=MAX(e1t(ji,jj),zlscale) |
|---|
| 492 | |
|---|
| 493 | aeiw(ji,jj) = 0.015 * (zlscale**2) * SQRT( zah(ji,jj) / zhw(ji,jj) ) * tmask(ji,jj,1) |
|---|
| 494 | aeiw(ji,jj) = MIN (aeiw(ji,jj),2000.0) |
|---|
| 495 | aeiw(ji,jj) = MAX (aeiw(ji,jj),150.0)*tmask(ji,jj,1) |
|---|
| 496 | END DO |
|---|
| 497 | END DO |
|---|
| 498 | |
|---|
| 499 | ! ORCA R05: Take the minimum between aeiw and aeiv0 |
|---|
| 500 | IF( cp_cfg == "orca" .AND. jp_cfg == 05 ) THEN |
|---|
| 501 | DO jj = 2, jpjm1 |
|---|
| 502 | DO ji = fs_2, fs_jpim1 ! vector opt. |
|---|
| 503 | aeiw(ji,jj) = MIN( aeiw(ji,jj), aeiv0 ) |
|---|
| 504 | END DO |
|---|
| 505 | END DO |
|---|
| 506 | ENDIF |
|---|
| 507 | |
|---|
| 508 | ! lateral boundary condition on aeiw |
|---|
| 509 | CALL lbc_lnk( aeiw, 'W', 1. ) |
|---|
| 510 | |
|---|
| 511 | ! Average the diffusive coefficient at u- v- points |
|---|
| 512 | DO jj = 2, jpjm1 |
|---|
| 513 | DO ji = fs_2, fs_jpim1 ! vector opt. |
|---|
| 514 | aeiu(ji,jj) = .5 * ( aeiw(ji,jj) + aeiw(ji+1,jj ) ) |
|---|
| 515 | aeiv(ji,jj) = .5 * ( aeiw(ji,jj) + aeiw(ji ,jj+1) ) |
|---|
| 516 | END DO |
|---|
| 517 | END DO |
|---|
| 518 | |
|---|
| 519 | ! lateral boundary condition on aeiu, aeiv |
|---|
| 520 | CALL lbc_lnk( aeiu, 'U', 1. ) |
|---|
| 521 | CALL lbc_lnk( aeiv, 'V', 1. ) |
|---|
| 522 | |
|---|
| 523 | IF(ln_ctl) THEN |
|---|
| 524 | CALL prt_ctl(tab2d_1=aeiu, clinfo1=' eiv - u: ', ovlap=1) |
|---|
| 525 | CALL prt_ctl(tab2d_1=aeiv, clinfo1=' eiv - v: ', ovlap=1) |
|---|
| 526 | ENDIF |
|---|
| 527 | |
|---|
| 528 | ! ORCA R05: add a space variation on aht (=aeiv except at the equator and river mouth) |
|---|
| 529 | IF( cp_cfg == "orca" .AND. jp_cfg == 05 ) THEN |
|---|
| 530 | zf20 = 2. * omega * SIN( rad * 20. ) |
|---|
| 531 | zaht_min = 100. ! minimum value for aht |
|---|
| 532 | DO jj = 1, jpj |
|---|
| 533 | DO ji = 1, jpi |
|---|
| 534 | zaht = ( 1. - MIN( 1., ABS( ff(ji,jj) / zf20 ) ) ) * ( aht0 - zaht_min ) & |
|---|
| 535 | & + aht0 * rnfmsk(ji,jj) ! enhanced near river mouths |
|---|
| 536 | ahtu(ji,jj) = MAX( MAX( zaht_min, aeiu(ji,jj) ) + zaht, aht0 ) |
|---|
| 537 | ahtv(ji,jj) = MAX( MAX( zaht_min, aeiv(ji,jj) ) + zaht, aht0 ) |
|---|
| 538 | ahtw(ji,jj) = MAX( MAX( zaht_min, aeiw(ji,jj) ) + zaht, aht0 ) |
|---|
| 539 | END DO |
|---|
| 540 | END DO |
|---|
| 541 | IF(ln_ctl) THEN |
|---|
| 542 | CALL prt_ctl(tab2d_1=ahtu, clinfo1=' aht - u: ', ovlap=1) |
|---|
| 543 | CALL prt_ctl(tab2d_1=ahtv, clinfo1=' aht - v: ', ovlap=1) |
|---|
| 544 | CALL prt_ctl(tab2d_1=ahtw, clinfo1=' aht - w: ', ovlap=1) |
|---|
| 545 | ENDIF |
|---|
| 546 | ENDIF |
|---|
| 547 | |
|---|
| 548 | IF( aeiv0 == 0.e0 ) THEN |
|---|
| 549 | aeiu(:,:) = 0.e0 |
|---|
| 550 | aeiv(:,:) = 0.e0 |
|---|
| 551 | aeiw(:,:) = 0.e0 |
|---|
| 552 | ENDIF |
|---|
| 553 | |
|---|
| 554 | END SUBROUTINE ldf_eiv_vis |
|---|
| 555 | |
|---|
| 556 | # endif |
|---|
| 557 | |
|---|
| 558 | #else |
|---|
| 559 | !!---------------------------------------------------------------------- |
|---|
| 560 | !! Default option Dummy module |
|---|
| 561 | !!---------------------------------------------------------------------- |
|---|
| 562 | CONTAINS |
|---|
| 563 | SUBROUTINE ldf_eiv_vis( kt ) ! Empty routine |
|---|
| 564 | WRITE(*,*) 'ldf_eiv_vis: You should not have seen this print! error?', kt |
|---|
| 565 | END SUBROUTINE ldf_eiv_vis |
|---|
| 566 | #endif |
|---|
| 567 | |
|---|
| 568 | !!====================================================================== |
|---|
| 569 | END MODULE ldfeiv_vis |
|---|
