Changeset 4990 for trunk/NEMOGCM/NEMO/OPA_SRC/TRA/traadv_ubs.F90
- Timestamp:
- 2014-12-15T17:42:49+01:00 (10 years ago)
- File:
-
- 1 edited
Legend:
- Unmodified
- Added
- Removed
-
trunk/NEMOGCM/NEMO/OPA_SRC/TRA/traadv_ubs.F90
r4499 r4990 14 14 USE oce ! ocean dynamics and active tracers 15 15 USE dom_oce ! ocean space and time domain 16 USE trdmod_oce ! ocean space and time domain 17 USE trdtra 18 USE lib_mpp 16 USE trc_oce ! share passive tracers/Ocean variables 17 USE trd_oce ! trends: ocean variables 18 USE trdtra ! trends manager: tracers 19 USE dynspg_oce ! choice/control of key cpp for surface pressure gradient 20 USE diaptr ! poleward transport diagnostics 21 ! 22 USE lib_mpp ! I/O library 19 23 USE lbclnk ! ocean lateral boundary condition (or mpp link) 20 24 USE in_out_manager ! I/O manager 21 USE diaptr ! poleward transport diagnostics22 USE dynspg_oce ! choice/control of key cpp for surface pressure gradient23 USE trc_oce ! share passive tracers/Ocean variables24 25 USE wrk_nemo ! Memory Allocation 25 26 USE timing ! Timing … … 51 52 !! and add it to the general trend of passive tracer equations. 52 53 !! 53 !! ** Method : The upstream biased 3rd order scheme (UBS) is based on an54 !! ** Method : The upstream biased scheme (UBS) is based on a 3rd order 54 55 !! upstream-biased parabolic interpolation (Shchepetkin and McWilliams 2005) 55 56 !! It is only used in the horizontal direction. 56 57 !! For example the i-component of the advective fluxes are given by : 57 58 !! ! e2u e3u un ( mi(Tn) - zltu(i ) ) if un(i) >= 0 58 !! z wx= ! or59 !! ztu = ! or 59 60 !! ! e2u e3u un ( mi(Tn) - zltu(i+1) ) if un(i) < 0 60 61 !! where zltu is the second derivative of the before temperature field: … … 76 77 !! Farrow, D.E., Stevens, D.P., 1995, J. Phys. Ocean. 25, 1731Ð1741. 77 78 !!---------------------------------------------------------------------- 78 USE oce , ONLY: zwx => ua , zwy => va ! (ua,va) used as workspace79 !80 79 INTEGER , INTENT(in ) :: kt ! ocean time-step index 81 80 INTEGER , INTENT(in ) :: kit000 ! first time step index … … 98 97 CALL wrk_alloc( jpi, jpj, jpk, ztu, ztv, zltu, zltv, zti, ztw ) 99 98 ! 100 101 99 IF( kt == kit000 ) THEN 102 100 IF(lwp) WRITE(numout,*) … … 151 149 zcenvt = pvn(ji,jj,jk) * ( ptn(ji,jj,jk,jn) + ptn(ji ,jj+1,jk,jn) ) 152 150 ! UBS advective fluxes 153 z wx(ji,jj,jk) = 0.5 * ( zcenut - zfp_ui * zltu(ji,jj,jk) - zfm_ui * zltu(ji+1,jj,jk) )154 z wy(ji,jj,jk) = 0.5 * ( zcenvt - zfp_vj * zltv(ji,jj,jk) - zfm_vj * zltv(ji,jj+1,jk) )151 ztu(ji,jj,jk) = 0.5 * ( zcenut - zfp_ui * zltu(ji,jj,jk) - zfm_ui * zltu(ji+1,jj,jk) ) 152 ztv(ji,jj,jk) = 0.5 * ( zcenvt - zfp_vj * zltv(ji,jj,jk) - zfm_vj * zltv(ji,jj+1,jk) ) 155 153 END DO 156 154 END DO … … 159 157 zltu(:,:,:) = pta(:,:,:,jn) ! store pta trends 160 158 161 ! Horizontal advective trends 162 DO jk = 1, jpkm1 163 ! Tracer flux divergence at t-point added to the general trend 159 DO jk = 1, jpkm1 ! Horizontal advective trends 164 160 DO jj = 2, jpjm1 165 161 DO ji = fs_2, fs_jpim1 ! vector opt. 166 zbtr = 1. / ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) ) 167 ! horizontal advective 168 ztra = - zbtr * ( zwx(ji,jj,jk) - zwx(ji-1,jj ,jk) & 169 & + zwy(ji,jj,jk) - zwy(ji ,jj-1,jk) ) 170 ! add it to the general tracer trends 171 pta(ji,jj,jk,jn) = pta(ji,jj,jk,jn) + ztra 162 pta(ji,jj,jk,jn) = pta(ji,jj,jk,jn) & 163 & - ( ztu(ji,jj,jk) - ztu(ji-1,jj ,jk) & 164 & + ztv(ji,jj,jk) - ztv(ji ,jj-1,jk) ) / ( e1e2t(ji,jj) * fse3t(ji,jj,jk) ) 172 165 END DO 173 166 END DO … … 178 171 zltu(:,:,:) = pta(:,:,:,jn) - zltu(:,:,:) 179 172 180 ! 3. Save the horizontal advective trends for diagnostic 181 ! ------------------------------------------------------ 182 ! ! trend diagnostics (contribution of upstream fluxes) 183 IF( l_trd ) THEN 184 CALL trd_tra( kt, cdtype, jn, jptra_trd_xad, zwx, pun, ptn(:,:,:,jn) ) 185 CALL trd_tra( kt, cdtype, jn, jptra_trd_yad, zwy, pvn, ptn(:,:,:,jn) ) 173 ! 174 IF( l_trd ) THEN ! trend diagnostics 175 CALL trd_tra( kt, cdtype, jn, jptra_xad, ztu, pun, ptn(:,:,:,jn) ) 176 CALL trd_tra( kt, cdtype, jn, jptra_yad, ztv, pvn, ptn(:,:,:,jn) ) 186 177 END IF 187 178 ! ! "Poleward" heat and salt transports (contribution of upstream fluxes) 188 179 IF( cdtype == 'TRA' .AND. ln_diaptr .AND. ( MOD( kt, nn_fptr ) == 0 ) ) THEN 189 IF( jn == jp_tem ) htr_adv(:) = ptr_vj( z wy(:,:,:) )190 IF( jn == jp_sal ) str_adv(:) = ptr_vj( z wy(:,:,:) )180 IF( jn == jp_tem ) htr_adv(:) = ptr_vj( ztv(:,:,:) ) 181 IF( jn == jp_sal ) str_adv(:) = ptr_vj( ztv(:,:,:) ) 191 182 ENDIF 192 183 … … 265 256 END DO 266 257 END DO 267 CALL trd_tra( kt, cdtype, jn, jptra_ trd_zad, zltv )258 CALL trd_tra( kt, cdtype, jn, jptra_zad, zltv ) 268 259 ENDIF 269 260 ! 270 END DO261 END DO 271 262 ! 272 263 CALL wrk_dealloc( jpi, jpj, jpk, ztu, ztv, zltu, zltv, zti, ztw ) … … 290 281 !! in-space based differencing for fluid 291 282 !!---------------------------------------------------------------------- 292 !293 283 REAL(wp), INTENT(in ), DIMENSION(jpk) :: p2dt ! vertical profile of tracer time-step 294 284 REAL(wp), DIMENSION (jpi,jpj,jpk) :: pbef ! before field … … 306 296 CALL wrk_alloc( jpi, jpj, jpk, zbetup, zbetdo ) 307 297 ! 308 309 298 zbig = 1.e+40_wp 310 299 zrtrn = 1.e-15_wp
Note: See TracChangeset
for help on using the changeset viewer.