- Timestamp:
- 2016-01-08T10:35:19+01:00 (8 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
branches/2014/dev_r4704_NOC5_MPP_BDY_UPDATE/NEMOGCM/NEMO/OPA_SRC/TRA/zpshde.F90
r3294 r6225 8 8 !! - ! 2004-03 (C. Ethe) adapted for passive tracers 9 9 !! 3.3 ! 2010-05 (C. Ethe, G. Madec) merge TRC-TRA 10 !! 3.6 ! 2014-11 (P. Mathiot) Add zps_hde_isf (needed to open a cavity) 10 11 !!====================================================================== 11 12 … … 27 28 PRIVATE 28 29 29 PUBLIC zps_hde ! routine called by step.F90 30 PUBLIC zps_hde ! routine called by step.F90 31 PUBLIC zps_hde_isf ! routine called by step.F90 30 32 31 33 !! * Substitutions 32 # include "domzgr_substitute.h90"33 34 # include "vectopt_loop_substitute.h90" 34 35 !!---------------------------------------------------------------------- … … 40 41 41 42 SUBROUTINE zps_hde( kt, kjpt, pta, pgtu, pgtv, & 42 43 & prd, pgru, pgrv ) 43 44 !!---------------------------------------------------------------------- 44 45 !! *** ROUTINE zps_hde *** … … 74 75 !! Idem for di(s) and dj(s) 75 76 !! 76 !! For rho, we call eos _insitu_2d which will compute rd~(t~,s~) at77 !! the good depth zh from interpolated T and S for the different78 !! formulationof the equation of state (eos).77 !! For rho, we call eos which will compute rd~(t~,s~) at the right 78 !! depth zh from interpolated T and S for the different formulations 79 !! of the equation of state (eos). 79 80 !! Gradient formulation for rho : 80 !! di(rho) = rd~ - rd(i,j,k) orrd(i+1,j,k) - rd~81 !! 82 !! ** Action : - pgtu, pgtv: horizontal gradient of tracer at u- & v-points83 !! - pg ru, pgrv: horizontal gradient of rho (if present) at u- & v-points84 !! ----------------------------------------------------------------------85 ! 81 !! di(rho) = rd~ - rd(i,j,k) or rd(i+1,j,k) - rd~ 82 !! 83 !! ** Action : compute for top interfaces 84 !! - pgtu, pgtv: horizontal gradient of tracer at u- & v-points 85 !! - pgru, pgrv: horizontal gradient of rho (if present) at u- & v-points 86 !!---------------------------------------------------------------------- 86 87 INTEGER , INTENT(in ) :: kt ! ocean time-step index 87 88 INTEGER , INTENT(in ) :: kjpt ! number of tracers … … 89 90 REAL(wp), DIMENSION(jpi,jpj, kjpt), INTENT( out) :: pgtu, pgtv ! hor. grad. of ptra at u- & v-pts 90 91 REAL(wp), DIMENSION(jpi,jpj,jpk ), INTENT(in ), OPTIONAL :: prd ! 3D density anomaly fields 91 REAL(wp), DIMENSION(jpi,jpj ), INTENT( out), OPTIONAL :: pgru, pgrv ! hor. grad . of prd at u- & v-pts92 ! 93 INTEGER :: ji, jj, jn ! Dummy loop indices94 INTEGER :: iku, ikv, ikum1, ikvm1 ! partial step level (ocean bottom level) at u- and v-points95 REAL(wp) :: ze3wu, ze3wv, zmaxu, zmaxv ! temporaryscalars96 REAL(wp), POINTER, DIMENSION(:,: ) :: zri, zrj, zhi, zhj97 REAL(wp), POINTER, DIMENSION(:,:,:) :: zti, ztj ! interpolated value of tracer98 !!---------------------------------------------------------------------- 99 ! 100 IF( nn_timing == 1 ) CALL timing_start( 'zps_hde')101 ! 102 CALL wrk_alloc( jpi, jpj, zri, zrj, zhi, zhj )103 CALL wrk_alloc( jpi, jpj, kjpt, zti, ztj )92 REAL(wp), DIMENSION(jpi,jpj ), INTENT( out), OPTIONAL :: pgru, pgrv ! hor. grad of prd at u- & v-pts (bottom) 93 ! 94 INTEGER :: ji, jj, jn ! Dummy loop indices 95 INTEGER :: iku, ikv, ikum1, ikvm1 ! partial step level (ocean bottom level) at u- and v-points 96 REAL(wp) :: ze3wu, ze3wv, zmaxu, zmaxv ! local scalars 97 REAL(wp), DIMENSION(jpi,jpj) :: zri, zrj, zhi, zhj ! NB: 3rd dim=1 to use eos 98 REAL(wp), DIMENSION(jpi,jpj,kjpt) :: zti, ztj ! 99 !!---------------------------------------------------------------------- 100 ! 101 IF( nn_timing == 1 ) CALL timing_start( 'zps_hde') 102 ! 103 pgtu(:,:,:)=0._wp ; zti (:,:,:)=0._wp ; zhi (:,: )=0._wp 104 pgtv(:,:,:)=0._wp ; ztj (:,:,:)=0._wp ; zhj (:,: )=0._wp 104 105 ! 105 106 DO jn = 1, kjpt !== Interpolation of tracers at the last ocean level ==! 106 107 ! 107 # if defined key_vectopt_loop 108 jj = 1 109 DO ji = 1, jpij-jpi ! vector opt. (forced unrolled) 110 # else 111 DO jj = 1, jpjm1 112 DO ji = 1, jpim1 113 # endif 108 DO jj = 1, jpjm1 109 DO ji = 1, jpim1 114 110 iku = mbku(ji,jj) ; ikum1 = MAX( iku - 1 , 1 ) ! last and before last ocean level at u- & v-points 115 111 ikv = mbkv(ji,jj) ; ikvm1 = MAX( ikv - 1 , 1 ) ! if level first is a p-step, ik.m1=1 116 ze3wu = fse3w(ji+1,jj ,iku) - fse3w(ji,jj,iku) 117 ze3wv = fse3w(ji ,jj+1,ikv) - fse3w(ji,jj,ikv) 112 !!gm BUG ? when applied to before fields, e3w_b should be used.... 113 ze3wu = e3w_n(ji+1,jj ,iku) - e3w_n(ji,jj,iku) 114 ze3wv = e3w_n(ji ,jj+1,ikv) - e3w_n(ji,jj,ikv) 118 115 ! 119 116 ! i- direction 120 117 IF( ze3wu >= 0._wp ) THEN ! case 1 121 zmaxu = ze3wu / fse3w(ji+1,jj,iku)122 ! interpolated values of tracers 123 zti (ji,jj,jn) = pta(ji+1,jj,iku,jn) + zmaxu * ( pta(ji+1,jj,ikum1,jn) - pta(ji+1,jj,iku,jn) )118 zmaxu = ze3wu / e3w_n(ji+1,jj,iku) 119 ! interpolated values of tracers 120 zti (ji,jj,jn) = pta(ji+1,jj,iku,jn) + zmaxu * ( pta(ji+1,jj,ikum1,jn) - pta(ji+1,jj,iku,jn) ) 124 121 ! gradient of tracers 125 122 pgtu(ji,jj,jn) = umask(ji,jj,1) * ( zti(ji,jj,jn) - pta(ji,jj,iku,jn) ) 126 123 ELSE ! case 2 127 zmaxu = -ze3wu / fse3w(ji,jj,iku)128 ! interpolated values of tracers 129 zti (ji,jj,jn) = pta(ji,jj,iku,jn) + zmaxu * ( pta(ji,jj,ikum1,jn) - pta(ji,jj,iku,jn) )124 zmaxu = -ze3wu / e3w_n(ji,jj,iku) 125 ! interpolated values of tracers 126 zti (ji,jj,jn) = pta(ji,jj,iku,jn) + zmaxu * ( pta(ji,jj,ikum1,jn) - pta(ji,jj,iku,jn) ) 130 127 ! gradient of tracers 131 128 pgtu(ji,jj,jn) = umask(ji,jj,1) * ( pta(ji+1,jj,iku,jn) - zti(ji,jj,jn) ) … … 134 131 ! j- direction 135 132 IF( ze3wv >= 0._wp ) THEN ! case 1 136 zmaxv = ze3wv / fse3w(ji,jj+1,ikv)137 ! interpolated values of tracers 138 ztj (ji,jj,jn) = pta(ji,jj+1,ikv,jn) + zmaxv * ( pta(ji,jj+1,ikvm1,jn) - pta(ji,jj+1,ikv,jn) )133 zmaxv = ze3wv / e3w_n(ji,jj+1,ikv) 134 ! interpolated values of tracers 135 ztj (ji,jj,jn) = pta(ji,jj+1,ikv,jn) + zmaxv * ( pta(ji,jj+1,ikvm1,jn) - pta(ji,jj+1,ikv,jn) ) 139 136 ! gradient of tracers 140 137 pgtv(ji,jj,jn) = vmask(ji,jj,1) * ( ztj(ji,jj,jn) - pta(ji,jj,ikv,jn) ) 141 138 ELSE ! case 2 142 zmaxv = -ze3wv / fse3w(ji,jj,ikv)143 ! interpolated values of tracers 144 ztj (ji,jj,jn) = pta(ji,jj,ikv,jn) + zmaxv * ( pta(ji,jj,ikvm1,jn) - pta(ji,jj,ikv,jn) )139 zmaxv = -ze3wv / e3w_n(ji,jj,ikv) 140 ! interpolated values of tracers 141 ztj (ji,jj,jn) = pta(ji,jj,ikv,jn) + zmaxv * ( pta(ji,jj,ikvm1,jn) - pta(ji,jj,ikv,jn) ) 145 142 ! gradient of tracers 146 143 pgtv(ji,jj,jn) = vmask(ji,jj,1) * ( pta(ji,jj+1,ikv,jn) - ztj(ji,jj,jn) ) 147 144 ENDIF 148 # if ! defined key_vectopt_loop 149 END DO 150 # endif 145 END DO 146 END DO 147 CALL lbc_lnk( pgtu(:,:,jn), 'U', -1. ) ; CALL lbc_lnk( pgtv(:,:,jn), 'V', -1. ) ! Lateral boundary cond. 148 ! 149 END DO 150 ! 151 IF( PRESENT( prd ) ) THEN !== horizontal derivative of density anomalies (rd) ==! (optional part) 152 pgru(:,:) = 0._wp 153 pgrv(:,:) = 0._wp ! depth of the partial step level 154 DO jj = 1, jpjm1 155 DO ji = 1, jpim1 156 iku = mbku(ji,jj) 157 ikv = mbkv(ji,jj) 158 ze3wu = e3w_n(ji+1,jj ,iku) - e3w_n(ji,jj,iku) 159 ze3wv = e3w_n(ji ,jj+1,ikv) - e3w_n(ji,jj,ikv) 160 IF( ze3wu >= 0._wp ) THEN ; zhi(ji,jj) = gdept_n(ji ,jj,iku) ! i-direction: case 1 161 ELSE ; zhi(ji,jj) = gdept_n(ji+1,jj,iku) ! - - case 2 162 ENDIF 163 IF( ze3wv >= 0._wp ) THEN ; zhj(ji,jj) = gdept_n(ji,jj ,ikv) ! j-direction: case 1 164 ELSE ; zhj(ji,jj) = gdept_n(ji,jj+1,ikv) ! - - case 2 165 ENDIF 166 END DO 167 END DO 168 ! 169 CALL eos( zti, zhi, zri ) ! interpolated density from zti, ztj 170 CALL eos( ztj, zhj, zrj ) ! at the partial step depth output in zri, zrj 171 ! 172 DO jj = 1, jpjm1 ! Gradient of density at the last level 173 DO ji = 1, jpim1 174 iku = mbku(ji,jj) 175 ikv = mbkv(ji,jj) 176 ze3wu = e3w_n(ji+1,jj ,iku) - e3w_n(ji,jj,iku) 177 ze3wv = e3w_n(ji ,jj+1,ikv) - e3w_n(ji,jj,ikv) 178 IF( ze3wu >= 0._wp ) THEN ; pgru(ji,jj) = umask(ji,jj,1) * ( zri(ji ,jj ) - prd(ji,jj,iku) ) ! i: 1 179 ELSE ; pgru(ji,jj) = umask(ji,jj,1) * ( prd(ji+1,jj,iku) - zri(ji,jj ) ) ! i: 2 180 ENDIF 181 IF( ze3wv >= 0._wp ) THEN ; pgrv(ji,jj) = vmask(ji,jj,1) * ( zrj(ji,jj ) - prd(ji,jj,ikv) ) ! j: 1 182 ELSE ; pgrv(ji,jj) = vmask(ji,jj,1) * ( prd(ji,jj+1,ikv) - zrj(ji,jj ) ) ! j: 2 183 ENDIF 184 END DO 185 END DO 186 CALL lbc_lnk( pgru , 'U', -1. ) ; CALL lbc_lnk( pgrv , 'V', -1. ) ! Lateral boundary conditions 187 ! 188 END IF 189 ! 190 IF( nn_timing == 1 ) CALL timing_stop( 'zps_hde') 191 ! 192 END SUBROUTINE zps_hde 193 ! 194 SUBROUTINE zps_hde_isf( kt, kjpt, pta, pgtu, pgtv, pgtui, pgtvi, & 195 & prd, pgru, pgrv, pgrui, pgrvi ) 196 !!---------------------------------------------------------------------- 197 !! *** ROUTINE zps_hde_isf *** 198 !! 199 !! ** Purpose : Compute the horizontal derivative of T, S and rho 200 !! at u- and v-points with a linear interpolation for z-coordinate 201 !! with partial steps for top (ice shelf) and bottom. 202 !! 203 !! ** Method : In z-coord with partial steps, scale factors on last 204 !! levels are different for each grid point, so that T, S and rd 205 !! points are not at the same depth as in z-coord. To have horizontal 206 !! gradients again, we interpolate T and S at the good depth : 207 !! For the bottom case: 208 !! Linear interpolation of T, S 209 !! Computation of di(tb) and dj(tb) by vertical interpolation: 210 !! di(t) = t~ - t(i,j,k) or t(i+1,j,k) - t~ 211 !! dj(t) = t~ - t(i,j,k) or t(i,j+1,k) - t~ 212 !! This formulation computes the two cases: 213 !! CASE 1 CASE 2 214 !! k-1 ___ ___________ k-1 ___ ___________ 215 !! Ti T~ T~ Ti+1 216 !! _____ _____ 217 !! k | |Ti+1 k Ti | | 218 !! | |____ ____| | 219 !! ___ | | | ___ | | | 220 !! 221 !! case 1-> e3w(i+1) >= e3w(i) ( and e3w(j+1) >= e3w(j) ) then 222 !! t~ = t(i+1,j ,k) + (e3w(i+1) - e3w(i)) * dk(Ti+1)/e3w(i+1) 223 !! ( t~ = t(i ,j+1,k) + (e3w(j+1) - e3w(j)) * dk(Tj+1)/e3w(j+1) ) 224 !! or 225 !! case 2-> e3w(i+1) <= e3w(i) ( and e3w(j+1) <= e3w(j) ) then 226 !! t~ = t(i,j,k) + (e3w(i) - e3w(i+1)) * dk(Ti)/e3w(i ) 227 !! ( t~ = t(i,j,k) + (e3w(j) - e3w(j+1)) * dk(Tj)/e3w(j ) ) 228 !! Idem for di(s) and dj(s) 229 !! 230 !! For rho, we call eos which will compute rd~(t~,s~) at the right 231 !! depth zh from interpolated T and S for the different formulations 232 !! of the equation of state (eos). 233 !! Gradient formulation for rho : 234 !! di(rho) = rd~ - rd(i,j,k) or rd(i+1,j,k) - rd~ 235 !! 236 !! For the top case (ice shelf): As for the bottom case but upside down 237 !! 238 !! ** Action : compute for top and bottom interfaces 239 !! - pgtu, pgtv, pgtui, pgtvi: horizontal gradient of tracer at u- & v-points 240 !! - pgru, pgrv, pgrui, pgtvi: horizontal gradient of rho (if present) at u- & v-points 241 !!---------------------------------------------------------------------- 242 INTEGER , INTENT(in ) :: kt ! ocean time-step index 243 INTEGER , INTENT(in ) :: kjpt ! number of tracers 244 REAL(wp), DIMENSION(jpi,jpj,jpk,kjpt), INTENT(in ) :: pta ! 4D tracers fields 245 REAL(wp), DIMENSION(jpi,jpj, kjpt), INTENT( out) :: pgtu, pgtv ! hor. grad. of ptra at u- & v-pts 246 REAL(wp), DIMENSION(jpi,jpj, kjpt), INTENT( out) :: pgtui, pgtvi ! hor. grad. of stra at u- & v-pts (ISF) 247 REAL(wp), DIMENSION(jpi,jpj,jpk ), INTENT(in ), OPTIONAL :: prd ! 3D density anomaly fields 248 REAL(wp), DIMENSION(jpi,jpj ), INTENT( out), OPTIONAL :: pgru, pgrv ! hor. grad of prd at u- & v-pts (bottom) 249 REAL(wp), DIMENSION(jpi,jpj ), INTENT( out), OPTIONAL :: pgrui, pgrvi ! hor. grad of prd at u- & v-pts (top) 250 ! 251 INTEGER :: ji, jj, jn ! Dummy loop indices 252 INTEGER :: iku, ikv, ikum1, ikvm1,ikup1, ikvp1 ! partial step level (ocean bottom level) at u- and v-points 253 REAL(wp) :: ze3wu, ze3wv, zmaxu, zmaxv ! temporary scalars 254 REAL(wp), DIMENSION(jpi,jpj) :: zri, zrj, zhi, zhj ! NB: 3rd dim=1 to use eos 255 REAL(wp), DIMENSION(jpi,jpj,kjpt) :: zti, ztj ! 256 !!---------------------------------------------------------------------- 257 ! 258 IF( nn_timing == 1 ) CALL timing_start( 'zps_hde_isf') 259 ! 260 pgtu (:,:,:) = 0._wp ; pgtv (:,:,:) =0._wp 261 pgtui(:,:,:) = 0._wp ; pgtvi(:,:,:) =0._wp 262 zti (:,:,:) = 0._wp ; ztj (:,:,:) =0._wp 263 zhi (:,: ) = 0._wp ; zhj (:,: ) =0._wp 264 ! 265 DO jn = 1, kjpt !== Interpolation of tracers at the last ocean level ==! 266 ! 267 DO jj = 1, jpjm1 268 DO ji = 1, jpim1 269 270 iku = mbku(ji,jj); ikum1 = MAX( iku - 1 , 1 ) ! last and before last ocean level at u- & v-points 271 ikv = mbkv(ji,jj); ikvm1 = MAX( ikv - 1 , 1 ) ! if level first is a p-step, ik.m1=1 272 ze3wu = gdept_n(ji+1,jj,iku) - gdept_n(ji,jj,iku) 273 ze3wv = gdept_n(ji,jj+1,ikv) - gdept_n(ji,jj,ikv) 274 ! 275 ! i- direction 276 IF( ze3wu >= 0._wp ) THEN ! case 1 277 zmaxu = ze3wu / e3w_n(ji+1,jj,iku) 278 ! interpolated values of tracers 279 zti (ji,jj,jn) = pta(ji+1,jj,iku,jn) + zmaxu * ( pta(ji+1,jj,ikum1,jn) - pta(ji+1,jj,iku,jn) ) 280 ! gradient of tracers 281 pgtu(ji,jj,jn) = ssumask(ji,jj) * ( zti(ji,jj,jn) - pta(ji,jj,iku,jn) ) 282 ELSE ! case 2 283 zmaxu = -ze3wu / e3w_n(ji,jj,iku) 284 ! interpolated values of tracers 285 zti (ji,jj,jn) = pta(ji,jj,iku,jn) + zmaxu * ( pta(ji,jj,ikum1,jn) - pta(ji,jj,iku,jn) ) 286 ! gradient of tracers 287 pgtu(ji,jj,jn) = ssumask(ji,jj) * ( pta(ji+1,jj,iku,jn) - zti(ji,jj,jn) ) 288 ENDIF 289 ! 290 ! j- direction 291 IF( ze3wv >= 0._wp ) THEN ! case 1 292 zmaxv = ze3wv / e3w_n(ji,jj+1,ikv) 293 ! interpolated values of tracers 294 ztj (ji,jj,jn) = pta(ji,jj+1,ikv,jn) + zmaxv * ( pta(ji,jj+1,ikvm1,jn) - pta(ji,jj+1,ikv,jn) ) 295 ! gradient of tracers 296 pgtv(ji,jj,jn) = ssvmask(ji,jj) * ( ztj(ji,jj,jn) - pta(ji,jj,ikv,jn) ) 297 ELSE ! case 2 298 zmaxv = -ze3wv / e3w_n(ji,jj,ikv) 299 ! interpolated values of tracers 300 ztj (ji,jj,jn) = pta(ji,jj,ikv,jn) + zmaxv * ( pta(ji,jj,ikvm1,jn) - pta(ji,jj,ikv,jn) ) 301 ! gradient of tracers 302 pgtv(ji,jj,jn) = ssvmask(ji,jj) * ( pta(ji,jj+1,ikv,jn) - ztj(ji,jj,jn) ) 303 ENDIF 304 305 END DO 151 306 END DO 152 307 CALL lbc_lnk( pgtu(:,:,jn), 'U', -1. ) ; CALL lbc_lnk( pgtv(:,:,jn), 'V', -1. ) ! Lateral boundary cond. … … 156 311 ! horizontal derivative of density anomalies (rd) 157 312 IF( PRESENT( prd ) ) THEN ! depth of the partial step level 158 # if defined key_vectopt_loop 159 jj = 1 160 DO ji = 1, jpij-jpi ! vector opt. (forced unrolled) 161 # else 162 DO jj = 1, jpjm1 163 DO ji = 1, jpim1 164 # endif 313 pgru(:,:)=0.0_wp ; pgrv(:,:)=0.0_wp ; 314 ! 315 DO jj = 1, jpjm1 316 DO ji = 1, jpim1 317 165 318 iku = mbku(ji,jj) 166 319 ikv = mbkv(ji,jj) 167 ze3wu = fse3w(ji+1,jj ,iku) - fse3w(ji,jj,iku)168 ze3wv = fse3w(ji ,jj+1,ikv) - fse3w(ji,jj,ikv)169 IF( ze3wu >= 0._wp ) THEN ; zhi(ji,jj) = fsdept(ji ,jj,iku) ! i-direction: case 1170 ELSE ; zhi(ji,jj) = fsdept(ji+1,jj,iku) ! - - case 2171 E NDIF172 IF( ze3wv >= 0._wp ) THEN ; zhj(ji,jj) = fsdept(ji,jj ,ikv) ! j-direction: case 1173 ELSE ; zhj(ji,jj) = fsdept(ji,jj+1,ikv) ! - - case 2174 E NDIF175 # if ! defined key_vectopt_loop 176 END DO 177 # endif 320 ze3wu = gdept_n(ji+1,jj,iku) - gdept_n(ji,jj,iku) 321 ze3wv = gdept_n(ji,jj+1,ikv) - gdept_n(ji,jj,ikv) 322 ! 323 IF( ze3wu >= 0._wp ) THEN ; zhi(ji,jj) = gdept_n(ji ,jj,iku) ! i-direction: case 1 324 ELSE ; zhi(ji,jj) = gdept_n(ji+1,jj,iku) ! - - case 2 325 ENDIF 326 IF( ze3wv >= 0._wp ) THEN ; zhj(ji,jj) = gdept_n(ji,jj ,ikv) ! j-direction: case 1 327 ELSE ; zhj(ji,jj) = gdept_n(ji,jj+1,ikv) ! - - case 2 328 ENDIF 329 330 END DO 178 331 END DO 179 332 180 333 ! Compute interpolated rd from zti, ztj for the 2 cases at the depth of the partial 181 334 ! step and store it in zri, zrj for each case 182 CALL eos( zti, zhi, zri ) 335 CALL eos( zti, zhi, zri ) 183 336 CALL eos( ztj, zhj, zrj ) 184 337 185 ! Gradient of density at the last level 186 # if defined key_vectopt_loop 187 jj = 1 188 DO ji = 1, jpij-jpi ! vector opt. (forced unrolled) 189 # else 190 DO jj = 1, jpjm1 191 DO ji = 1, jpim1 192 # endif 338 DO jj = 1, jpjm1 ! Gradient of density at the last level 339 DO ji = 1, jpim1 193 340 iku = mbku(ji,jj) 194 341 ikv = mbkv(ji,jj) 195 ze3wu = fse3w(ji+1,jj ,iku) - fse3w(ji,jj,iku) 196 ze3wv = fse3w(ji ,jj+1,ikv) - fse3w(ji,jj,ikv) 197 IF( ze3wu >= 0._wp ) THEN ; pgru(ji,jj) = umask(ji,jj,1) * ( zri(ji ,jj) - prd(ji,jj,iku) ) ! i: 1 198 ELSE ; pgru(ji,jj) = umask(ji,jj,1) * ( prd(ji+1,jj,iku) - zri(ji,jj) ) ! i: 2 199 ENDIF 200 IF( ze3wv >= 0._wp ) THEN ; pgrv(ji,jj) = vmask(ji,jj,1) * ( zrj(ji,jj ) - prd(ji,jj,ikv) ) ! j: 1 201 ELSE ; pgrv(ji,jj) = vmask(ji,jj,1) * ( prd(ji,jj+1,ikv) - zrj(ji,jj) ) ! j: 2 202 ENDIF 203 # if ! defined key_vectopt_loop 204 END DO 205 # endif 206 END DO 342 ze3wu = gdept_n(ji+1,jj,iku) - gdept_n(ji,jj,iku) 343 ze3wv = gdept_n(ji,jj+1,ikv) - gdept_n(ji,jj,ikv) 344 345 IF( ze3wu >= 0._wp ) THEN ; pgru(ji,jj) = ssumask(ji,jj) * ( zri(ji ,jj ) - prd(ji,jj,iku) ) ! i: 1 346 ELSE ; pgru(ji,jj) = ssumask(ji,jj) * ( prd(ji+1,jj,iku) - zri(ji,jj ) ) ! i: 2 347 ENDIF 348 IF( ze3wv >= 0._wp ) THEN ; pgrv(ji,jj) = ssvmask(ji,jj) * ( zrj(ji,jj ) - prd(ji,jj,ikv) ) ! j: 1 349 ELSE ; pgrv(ji,jj) = ssvmask(ji,jj) * ( prd(ji,jj+1,ikv) - zrj(ji,jj ) ) ! j: 2 350 ENDIF 351 352 END DO 353 END DO 354 207 355 CALL lbc_lnk( pgru , 'U', -1. ) ; CALL lbc_lnk( pgrv , 'V', -1. ) ! Lateral boundary conditions 208 356 ! 209 357 END IF 210 358 ! 211 CALL wrk_dealloc( jpi, jpj, zri, zrj, zhi, zhj ) 212 CALL wrk_dealloc( jpi, jpj, kjpt, zti, ztj ) 213 ! 214 IF( nn_timing == 1 ) CALL timing_stop( 'zps_hde') 215 ! 216 END SUBROUTINE zps_hde 217 359 ! !== (ISH) compute grui and gruvi ==! 360 ! 361 DO jn = 1, kjpt !== Interpolation of tracers at the last ocean level ==! ! 362 DO jj = 1, jpjm1 363 DO ji = 1, jpim1 364 iku = miku(ji,jj); ikup1 = miku(ji,jj) + 1 365 ikv = mikv(ji,jj); ikvp1 = mikv(ji,jj) + 1 366 ! 367 ! (ISF) case partial step top and bottom in adjacent cell in vertical 368 ! cannot used e3w because if 2 cell water column, we have ps at top and bottom 369 ! in this case e3w(i,j) - e3w(i,j+1) is not the distance between Tj~ and Tj 370 ! the only common depth between cells (i,j) and (i,j+1) is gdepw_0 371 ze3wu = gdept_n(ji,jj,iku) - gdept_n(ji+1,jj,iku) 372 ze3wv = gdept_n(ji,jj,ikv) - gdept_n(ji,jj+1,ikv) 373 374 ! i- direction 375 IF( ze3wu >= 0._wp ) THEN ! case 1 376 zmaxu = ze3wu / e3w_n(ji+1,jj,ikup1) 377 ! interpolated values of tracers 378 zti(ji,jj,jn) = pta(ji+1,jj,iku,jn) + zmaxu * ( pta(ji+1,jj,ikup1,jn) - pta(ji+1,jj,iku,jn) ) 379 ! gradient of tracers 380 pgtui(ji,jj,jn) = ssumask(ji,jj) * ( zti(ji,jj,jn) - pta(ji,jj,iku,jn) ) 381 ELSE ! case 2 382 zmaxu = - ze3wu / e3w_n(ji,jj,ikup1) 383 ! interpolated values of tracers 384 zti(ji,jj,jn) = pta(ji,jj,iku,jn) + zmaxu * ( pta(ji,jj,ikup1,jn) - pta(ji,jj,iku,jn) ) 385 ! gradient of tracers 386 pgtui(ji,jj,jn) = ssumask(ji,jj) * ( pta(ji+1,jj,iku,jn) - zti(ji,jj,jn) ) 387 ENDIF 388 ! 389 ! j- direction 390 IF( ze3wv >= 0._wp ) THEN ! case 1 391 zmaxv = ze3wv / e3w_n(ji,jj+1,ikvp1) 392 ! interpolated values of tracers 393 ztj(ji,jj,jn) = pta(ji,jj+1,ikv,jn) + zmaxv * ( pta(ji,jj+1,ikvp1,jn) - pta(ji,jj+1,ikv,jn) ) 394 ! gradient of tracers 395 pgtvi(ji,jj,jn) = ssvmask(ji,jj) * ( ztj(ji,jj,jn) - pta(ji,jj,ikv,jn) ) 396 ELSE ! case 2 397 zmaxv = - ze3wv / e3w_n(ji,jj,ikvp1) 398 ! interpolated values of tracers 399 ztj(ji,jj,jn) = pta(ji,jj,ikv,jn) + zmaxv * ( pta(ji,jj,ikvp1,jn) - pta(ji,jj,ikv,jn) ) 400 ! gradient of tracers 401 pgtvi(ji,jj,jn) = ssvmask(ji,jj) * ( pta(ji,jj+1,ikv,jn) - ztj(ji,jj,jn) ) 402 ENDIF 403 404 END DO 405 END DO 406 CALL lbc_lnk( pgtui(:,:,jn), 'U', -1. ); CALL lbc_lnk( pgtvi(:,:,jn), 'V', -1. ) ! Lateral boundary cond. 407 ! 408 END DO 409 410 IF( PRESENT( prd ) ) THEN !== horizontal derivative of density anomalies (rd) ==! (optional part) 411 ! 412 pgrui(:,:) =0.0_wp; pgrvi(:,:) =0.0_wp; 413 DO jj = 1, jpjm1 414 DO ji = 1, jpim1 415 416 iku = miku(ji,jj) 417 ikv = mikv(ji,jj) 418 ze3wu = gdept_n(ji,jj,iku) - gdept_n(ji+1,jj,iku) 419 ze3wv = gdept_n(ji,jj,ikv) - gdept_n(ji,jj+1,ikv) 420 ! 421 IF( ze3wu >= 0._wp ) THEN ; zhi(ji,jj) = gdept_n(ji ,jj,iku) ! i-direction: case 1 422 ELSE ; zhi(ji,jj) = gdept_n(ji+1,jj,iku) ! - - case 2 423 ENDIF 424 425 IF( ze3wv >= 0._wp ) THEN ; zhj(ji,jj) = gdept_n(ji,jj ,ikv) ! j-direction: case 1 426 ELSE ; zhj(ji,jj) = gdept_n(ji,jj+1,ikv) ! - - case 2 427 ENDIF 428 429 END DO 430 END DO 431 ! 432 CALL eos( zti, zhi, zri ) ! interpolated density from zti, ztj 433 CALL eos( ztj, zhj, zrj ) ! at the partial step depth output in zri, zrj 434 ! 435 DO jj = 1, jpjm1 ! Gradient of density at the last level 436 DO ji = 1, jpim1 437 iku = miku(ji,jj) 438 ikv = mikv(ji,jj) 439 ze3wu = gdept_n(ji,jj,iku) - gdept_n(ji+1,jj,iku) 440 ze3wv = gdept_n(ji,jj,ikv) - gdept_n(ji,jj+1,ikv) 441 442 IF( ze3wu >= 0._wp ) THEN ; pgrui(ji,jj) = ssumask(ji,jj) * ( zri(ji ,jj ) - prd(ji,jj,iku) ) ! i: 1 443 ELSE ; pgrui(ji,jj) = ssumask(ji,jj) * ( prd(ji+1,jj ,iku) - zri(ji,jj ) ) ! i: 2 444 ENDIF 445 IF( ze3wv >= 0._wp ) THEN ; pgrvi(ji,jj) = ssvmask(ji,jj) * ( zrj(ji ,jj ) - prd(ji,jj,ikv) ) ! j: 1 446 ELSE ; pgrvi(ji,jj) = ssvmask(ji,jj) * ( prd(ji ,jj+1,ikv) - zrj(ji,jj ) ) ! j: 2 447 ENDIF 448 449 END DO 450 END DO 451 CALL lbc_lnk( pgrui , 'U', -1. ); CALL lbc_lnk( pgrvi , 'V', -1. ) ! Lateral boundary conditions 452 ! 453 END IF 454 ! 455 IF( nn_timing == 1 ) CALL timing_stop( 'zps_hde_isf') 456 ! 457 END SUBROUTINE zps_hde_isf 218 458 !!====================================================================== 219 459 END MODULE zpshde
Note: See TracChangeset
for help on using the changeset viewer.
