Changeset 2528 for trunk/NEMOGCM/NEMO/OPA_SRC/TRA/traadv_cen2.F90
- Timestamp:
- 2010-12-27T18:33:53+01:00 (13 years ago)
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trunk/NEMOGCM/NEMO/OPA_SRC/TRA/traadv_cen2.F90
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r1559 r2528 2 2 !!====================================================================== 3 3 !! *** MODULE traadv_cen2 *** 4 !! Ocean activetracers: horizontal & vertical advective trend4 !! Ocean tracers: horizontal & vertical advective trend 5 5 !!====================================================================== 6 6 !! History : 8.2 ! 2001-08 (G. Madec, E. Durand) trahad+trazad=traadv … … 11 11 !! - ! 2006-07 (G. madec) add ups_orca_set routine 12 12 !! 3.2 ! 2009-07 (G. Madec) add avmb, avtb in restart for cen2 advection 13 !!---------------------------------------------------------------------- 14 15 !!---------------------------------------------------------------------- 16 !! tra_adv_cen2 : update the tracer trend with the horizontal and 17 !! vertical advection trends using a seconder order 18 !! ups_orca_set : allow mixed upstream/centered scheme in specific 19 !! area (set for orca 2 and 4 only) 20 !!---------------------------------------------------------------------- 21 USE oce ! ocean dynamics and active tracers 13 !! 3.3 ! 2010-05 (C. Ethe, G. Madec) merge TRC-TRA + switch from velocity to transport 14 !!---------------------------------------------------------------------- 15 16 !!---------------------------------------------------------------------- 17 !! tra_adv_cen2 : update the tracer trend with the advection trends using a 2nd order centered scheme 18 !! ups_orca_set : allow mixed upstream/centered scheme in specific area (set for orca 2 and 4 only) 19 !!---------------------------------------------------------------------- 20 USE oce, ONLY: tsn ! now ocean temperature and salinity 22 21 USE dom_oce ! ocean space and time domain 23 USE sbc_oce ! surface boundary condition: ocean24 USE dynspg_oce ! choice/control of key cpp for surface pressure gradient25 USE trdmod_oce ! ocean variables trends26 22 USE eosbn2 ! equation of state 27 USE trdmod ! ocean active tracers trends 23 USE trdmod_oce ! tracers trends 24 USE trdtra ! tracers trends 28 25 USE closea ! closed sea 29 USE trabbl ! advective term in the BBL30 USE sbcmod ! surface Boundary Condition31 26 USE sbcrnf ! river runoffs 32 27 USE in_out_manager ! I/O manager 33 28 USE iom ! IOM library 34 USE lib_mpp35 USE lbclnk ! ocean lateral boundary condition (or mpp link)36 29 USE diaptr ! poleward transport diagnostics 37 USE prtctl ! Print control38 30 USE zdf_oce ! ocean vertical physics 39 31 USE restart ! ocean restart 32 USE trc_oce ! share passive tracers/Ocean variables 40 33 41 34 IMPLICIT NONE … … 45 38 PUBLIC ups_orca_set ! routine used by traadv_cen2_jki.F90 46 39 47 REAL(wp), PUBLIC, DIMENSION(jpi,jpj) :: upsmsk !: mixed upstream/centered scheme near some straits 40 LOGICAL :: l_trd ! flag to compute trends 41 42 REAL(wp), PUBLIC, DIMENSION(jpi,jpj) :: upsmsk !: mixed upstream/centered scheme near some straits 48 43 ! ! and in closed seas (orca 2 and 4 configurations) 49 50 REAL(wp), DIMENSION(jpi,jpj) :: btr2 ! inverse of T-point surface [1/(e1t*e2t)]51 52 44 !! * Substitutions 53 45 # include "domzgr_substitute.h90" 54 46 # include "vectopt_loop_substitute.h90" 55 47 !!---------------------------------------------------------------------- 56 !! NEMO/OPA 3. 2 , LOCEAN-IPSL (2009)48 !! NEMO/OPA 3.3 , NEMO Consortium (2010) 57 49 !! $Id$ 58 !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt) 59 !!---------------------------------------------------------------------- 60 50 !! Software governed by the CeCILL licence (NEMOGCM/NEMO_CeCILL.txt) 51 !!---------------------------------------------------------------------- 61 52 CONTAINS 62 53 63 SUBROUTINE tra_adv_cen2( kt, pun, pvn, pwn ) 54 SUBROUTINE tra_adv_cen2( kt, cdtype, pun, pvn, pwn, & 55 & ptb, ptn, pta, kjpt ) 64 56 !!---------------------------------------------------------------------- 65 57 !! *** ROUTINE tra_adv_cen2 *** … … 77 69 !! Part I : horizontal advection 78 70 !! * centered flux: 79 !! zcenu = e2u*e3u un mi( tn)80 !! zcenv = e1v*e3v vn mj( tn)71 !! zcenu = e2u*e3u un mi(ptn) 72 !! zcenv = e1v*e3v vn mj(ptn) 81 73 !! * upstream flux: 82 !! zupsu = e2u*e3u un ( tb(i) ortb(i-1) ) [un>0 or <0]83 !! zupsv = e1v*e3v vn ( tb(j) ortb(j-1) ) [vn>0 or <0]74 !! zupsu = e2u*e3u un (ptb(i) or ptb(i-1) ) [un>0 or <0] 75 !! zupsv = e1v*e3v vn (ptb(j) or ptb(j-1) ) [vn>0 or <0] 84 76 !! * mixed upstream / centered horizontal advection scheme 85 77 !! zcofi = max(zind(i+1), zind(i)) … … 88 80 !! zwy = zcofj * zupsv + (1-zcofj) * zcenv 89 81 !! * horizontal advective trend (divergence of the fluxes) 90 !! zt a = 1/(e1t*e2t*e3t) { di-1[zwx] + dj-1[zwy] }82 !! ztra = 1/(e1t*e2t*e3t) { di-1[zwx] + dj-1[zwy] } 91 83 !! * Add this trend now to the general trend of tracer (ta,sa): 92 !! (ta,sa) = (ta,sa) + ( zta , zsa )84 !! pta = pta + ztra 93 85 !! * trend diagnostic ('key_trdtra' defined): the trend is 94 86 !! saved for diagnostics. The trends saved is expressed as 95 87 !! Uh.gradh(T), i.e. 96 !! save trend = zta + tn divn 97 !! In addition, the advective trend in the two horizontal direc- 98 !! tion is also re-computed as Uh gradh(T). Indeed hadt+tn divn is 99 !! equal to (in s-coordinates, and similarly in z-coord.): 100 !! zta+tn*divn=1/(e1t*e2t*e3t) { mi-1( e2u*e3u un di[tn] ) 101 !! +mj-1( e1v*e3v vn mj[tn] ) } 102 !! NB:in z-coordinate - full step (ln_zco=T) e3u=e3v=e3t, so 103 !! they vanish from the expression of the flux and divergence. 88 !! save trend = ztra + ptn divn 104 89 !! 105 90 !! Part II : vertical advection 106 91 !! For temperature (idem for salinity) the advective trend is com- 107 92 !! puted as follows : 108 !! zt a = 1/e3t dk+1[ zwz ]93 !! ztra = 1/e3t dk+1[ zwz ] 109 94 !! where the vertical advective flux, zwz, is given by : 110 95 !! zwz = zcofk * zupst + (1-zcofk) * zcent 111 96 !! with 112 !! zupsv = upstream flux = wn * ( tb(k) ortb(k-1) ) [wn>0 or <0]97 !! zupsv = upstream flux = wn * (ptb(k) or ptb(k-1) ) [wn>0 or <0] 113 98 !! zcenu = centered flux = wn * mk(tn) 114 99 !! The surface boundary condition is : 115 100 !! variable volume (lk_vvl = T) : zero advective flux 116 !! lin. free-surf (lk_vvl = F) : wn(:,:,1) * tn(:,:,1)101 !! lin. free-surf (lk_vvl = F) : wn(:,:,1) * ptn(:,:,1) 117 102 !! Add this trend now to the general trend of tracer (ta,sa): 118 !! (ta,sa) = (ta,sa) + ( zta , zsa )103 !! pta = pta + ztra 119 104 !! Trend diagnostic ('key_trdtra' defined): the trend is 120 105 !! saved for diagnostics. The trends saved is expressed as : 121 !! save trend = w.gradz(T) = zta - tn divn. 122 !! 123 !! ** Action : - update (ta,sa) with the now advective tracer trends 124 !! - save trends in (ztrdt,ztrds) ('key_trdtra') 125 !!---------------------------------------------------------------------- 126 USE oce, ONLY : zwx => ua ! use ua as workspace 127 USE oce, ONLY : zwy => va ! use va as workspace 128 !! 129 INTEGER , INTENT(in) :: kt ! ocean time-step index 130 REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pun ! ocean velocity u-component 131 REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pvn ! ocean velocity v-component 132 REAL(wp), INTENT(in), DIMENSION(jpi,jpj,jpk) :: pwn ! ocean velocity w-component 133 !! 134 INTEGER :: ji, jj, jk ! dummy loop indices 135 REAL(wp) :: zbtr, zhw, ze3tr ! temporary scalars 136 REAL(wp) :: zfp_ui, zfp_vj, zfp_w , zfui ! - - 137 REAL(wp) :: zfm_ui, zfm_vj, zfm_w , zfvj ! - - 106 !! save trend = w.gradz(T) = ztra - ptn divn. 107 !! 108 !! ** Action : - update pta with the now advective tracer trends 109 !! - save trends if needed 110 !!---------------------------------------------------------------------- 111 USE oce , zwx => ua ! use ua as workspace 112 USE oce , zwy => va ! use va as workspace 113 !! 114 INTEGER , INTENT(in ) :: kt ! ocean time-step index 115 CHARACTER(len=3) , INTENT(in ) :: cdtype ! =TRA or TRC (tracer indicator) 116 INTEGER , INTENT(in ) :: kjpt ! number of tracers 117 REAL(wp), DIMENSION(jpi,jpj,jpk ), INTENT(in ) :: pun, pvn, pwn ! 3 ocean velocity components 118 REAL(wp), DIMENSION(jpi,jpj,jpk,kjpt), INTENT(in ) :: ptb, ptn ! before and now tracer fields 119 REAL(wp), DIMENSION(jpi,jpj,jpk,kjpt), INTENT(inout) :: pta ! tracer trend 120 !! 121 INTEGER :: ji, jj, jk, jn ! dummy loop indices 122 REAL(wp) :: zbtr, ztra ! temporary scalars 123 REAL(wp) :: zfp_ui, zfp_vj, zfp_w ! - - 124 REAL(wp) :: zfm_ui, zfm_vj, zfm_w ! - - 138 125 REAL(wp) :: zcofi , zcofj , zcofk ! - - 139 REAL(wp) :: zupsut, zupsus, zcenut, zcenus ! - - 140 REAL(wp) :: zupsvt, zupsvs, zcenvt, zcenvs ! - - 141 REAL(wp) :: zupst , zupss , zcent , zcens ! - - 142 REAL(wp) :: z_hdivn_x, z_hdivn_y, z_hdivn ! - - 126 REAL(wp) :: zupsut, zcenut ! - - 127 REAL(wp) :: zupsvt, zcenvt ! - - 128 REAL(wp) :: zupst , zcent ! - - 143 129 REAL(wp) :: zice ! - - 144 130 REAL(wp), DIMENSION(jpi,jpj) :: ztfreez ! 2D workspace 145 REAL(wp), DIMENSION(jpi,jpj,jpk) :: zwz, z trdt, zind ! 3D workspace146 REAL(wp), DIMENSION(jpi,jpj,jpk) :: zww, ztrds ! " "147 !!---------------------------------------------------------------------- 148 149 IF( kt == nit000 ) THEN131 REAL(wp), DIMENSION(jpi,jpj,jpk) :: zwz, zind ! 3D workspace 132 !!---------------------------------------------------------------------- 133 134 135 IF( kt == nit000 ) THEN 150 136 IF(lwp) WRITE(numout,*) 151 IF(lwp) WRITE(numout,*) 'tra_adv_cen2 : 2nd order centered advection scheme '152 IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~ Vector optimization case'137 IF(lwp) WRITE(numout,*) 'tra_adv_cen2 : 2nd order centered advection scheme on ', cdtype 138 IF(lwp) WRITE(numout,*) '~~~~~~~~~~~~ ' 153 139 IF(lwp) WRITE(numout,*) 154 140 ! … … 157 143 IF( cp_cfg == "orca" ) CALL ups_orca_set ! set mixed Upstream/centered scheme near some straits 158 144 ! ! and in closed seas (orca2 and orca4 only) 159 !160 btr2(:,:) = 1. / ( e1t(:,:) * e2t(:,:) ) ! inverse of T-point surface161 !162 145 IF( jp_cfg == 2 .AND. .NOT. ln_rstart ) THEN ! Increase the background in the surface layers 163 146 avmb(1) = 10. * avmb(1) ; avtb(1) = 10. * avtb(1) … … 166 149 avmb(4) = 2.5 * avmb(4) ; avtb(4) = 2.5 * avtb(4) 167 150 ENDIF 151 ! 152 l_trd = .FALSE. 153 IF( ( cdtype == 'TRA' .AND. l_trdtra ) .OR. ( cdtype == 'TRC' .AND. l_trdtrc ) ) l_trd = .TRUE. 168 154 ENDIF 169 155 ! 170 156 ! Upstream / centered scheme indicator 171 157 ! ------------------------------------ 172 158 !!gm not strickly exact : the freezing point should be computed at each ocean levels... 173 159 !!gm not a big deal since cen2 is no more used in global ice-ocean simulations 174 ztfreez(:,:) = tfreez( sn(:,:,1) )160 ztfreez(:,:) = tfreez( tsn(:,:,1,jp_sal) ) 175 161 DO jk = 1, jpk 176 162 DO jj = 1, jpj 177 163 DO ji = 1, jpi 178 164 ! ! below ice covered area (if tn < "freezing"+0.1 ) 179 IF( t n(ji,jj,jk) <= ztfreez(ji,jj) + 0.1 ) THEN ; zice = 1.e0180 ELSE ; zice = 0.e0165 IF( tsn(ji,jj,jk,jp_tem) <= ztfreez(ji,jj) + 0.1 ) THEN ; zice = 1.e0 166 ELSE ; zice = 0.e0 181 167 ENDIF 182 168 zind(ji,jj,jk) = MAX ( & … … 189 175 END DO 190 176 191 ! I. Horizontal advection 192 ! ==================== 193 ! 194 DO jk = 1, jpkm1 195 ! ! Second order centered tracer flux at u- and v-points 196 DO jj = 1, jpjm1 197 DO ji = 1, fs_jpim1 ! vector opt. 198 ! upstream indicator 199 zcofi = MAX( zind(ji+1,jj,jk), zind(ji,jj,jk) ) 200 zcofj = MAX( zind(ji,jj+1,jk), zind(ji,jj,jk) ) 201 ! volume fluxes * 1/2 202 zfui = 0.5 * e2u(ji,jj) * fse3u(ji,jj,jk) * pun(ji,jj,jk) 203 zfvj = 0.5 * e1v(ji,jj) * fse3v(ji,jj,jk) * pvn(ji,jj,jk) 177 DO jn = 1, kjpt 178 ! 179 ! I. Horizontal advection 180 ! ==================== 181 ! 182 DO jk = 1, jpkm1 183 ! ! Second order centered tracer flux at u- and v-points 184 DO jj = 1, jpjm1 204 185 ! 205 ! upstream scheme206 zfp_ui = zfui + ABS( zfui )207 zfp_vj = zfvj + ABS( zfvj)208 zfm_ui = zfui - ABS( zfui)209 zfm_vj = zfvj - ABS( zfvj )210 zupsut = zfp_ui * tb(ji,jj,jk) + zfm_ui * tb(ji+1,jj ,jk)211 zupsvt = zfp_vj * tb(ji,jj,jk) + zfm_vj * tb(ji ,jj+1,jk)212 zupsus = zfp_ui * sb(ji,jj,jk) + zfm_ui * sb(ji+1,jj ,jk)213 zupsvs = zfp_vj * sb(ji,jj,jk) + zfm_vj * sb(ji ,jj+1,jk)214 ! centered scheme215 zcenut = zfui * ( tn(ji,jj,jk) + tn(ji+1,jj ,jk))216 zcenvt = zfvj * ( tn(ji,jj,jk) + tn(ji ,jj+1,jk))217 zcenus = zfui * ( sn(ji,jj,jk) + sn(ji+1,jj ,jk) )218 zcenvs = zfvj * ( sn(ji,jj,jk) + sn(ji ,jj+1,jk) )219 ! mixed centered / upstream scheme220 zwx(ji,jj,jk) = zcofi * zupsut + (1.-zcofi) * zcenut221 zwy(ji,jj,jk) = zcofj * zupsvt + (1.-zcofj) * zcenvt222 zww(ji,jj,jk) = zcofi * zupsus + (1.-zcofi) * zcenus223 zwz(ji,jj,jk) = zcofj * zupsvs + (1.-zcofj) * zcenvs186 DO ji = 1, fs_jpim1 ! vector opt. 187 ! upstream indicator 188 zcofi = MAX( zind(ji+1,jj,jk), zind(ji,jj,jk) ) 189 zcofj = MAX( zind(ji,jj+1,jk), zind(ji,jj,jk) ) 190 ! 191 ! upstream scheme 192 zfp_ui = pun(ji,jj,jk) + ABS( pun(ji,jj,jk) ) 193 zfm_ui = pun(ji,jj,jk) - ABS( pun(ji,jj,jk) ) 194 zfp_vj = pvn(ji,jj,jk) + ABS( pvn(ji,jj,jk) ) 195 zfm_vj = pvn(ji,jj,jk) - ABS( pvn(ji,jj,jk) ) 196 zupsut = zfp_ui * ptb(ji,jj,jk,jn) + zfm_ui * ptb(ji+1,jj ,jk,jn) 197 zupsvt = zfp_vj * ptb(ji,jj,jk,jn) + zfm_vj * ptb(ji ,jj+1,jk,jn) 198 ! centered scheme 199 zcenut = pun(ji,jj,jk) * ( ptn(ji,jj,jk,jn) + ptn(ji+1,jj ,jk,jn) ) 200 zcenvt = pvn(ji,jj,jk) * ( ptn(ji,jj,jk,jn) + ptn(ji ,jj+1,jk,jn) ) 201 ! mixed centered / upstream scheme 202 zwx(ji,jj,jk) = 0.5 * ( zcofi * zupsut + (1.-zcofi) * zcenut ) 203 zwy(ji,jj,jk) = 0.5 * ( zcofj * zupsvt + (1.-zcofj) * zcenvt ) 204 END DO 224 205 END DO 225 206 END DO 226 ! ! Tracer flux divergence at t-point added to the general trend 227 DO jj = 2, jpjm1 228 DO ji = fs_2, fs_jpim1 ! vector opt. 229 zbtr = btr2(ji,jj) / fse3t(ji,jj,jk) 230 ! 231 ta(ji,jj,jk) = ta(ji,jj,jk) - zbtr * ( zwx(ji,jj,jk) - zwx(ji-1,jj ,jk) & 232 & + zwy(ji,jj,jk) - zwy(ji ,jj-1,jk) ) 233 sa(ji,jj,jk) = sa(ji,jj,jk) - zbtr * ( zww(ji,jj,jk) - zww(ji-1,jj ,jk) & 234 & + zwz(ji,jj,jk) - zwz(ji ,jj-1,jk) ) 207 208 ! II. Vertical advection 209 ! ================== 210 ! 211 ! ! Vertical advective fluxes 212 zwz(:,:,jpk) = 0.e0 ! Bottom value : flux set to zero 213 ! ! Surface value : 214 IF( lk_vvl ) THEN ; zwz(:,:, 1 ) = 0.e0 ! volume variable 215 ELSE ; zwz(:,:, 1 ) = pwn(:,:,1) * ptn(:,:,1,jn) ! linear free surface 216 ENDIF 217 ! 218 DO jk = 2, jpk ! Second order centered tracer flux at w-point 219 DO jj = 2, jpjm1 220 DO ji = fs_2, fs_jpim1 ! vector opt. 221 ! upstream indicator 222 zcofk = MAX( zind(ji,jj,jk-1), zind(ji,jj,jk) ) 223 ! mixed centered / upstream scheme 224 zfp_w = pwn(ji,jj,jk) + ABS( pwn(ji,jj,jk) ) 225 zfm_w = pwn(ji,jj,jk) - ABS( pwn(ji,jj,jk) ) 226 zupst = zfp_w * ptb(ji,jj,jk,jn) + zfm_w * ptb(ji,jj,jk-1,jn) 227 ! centered scheme 228 zcent = pwn(ji,jj,jk) * ( ptn(ji,jj,jk,jn) + ptn(ji,jj,jk-1,jn) ) 229 ! mixed centered / upstream scheme 230 zwz(ji,jj,jk) = 0.5 * ( zcofk * zupst + (1.-zcofk) * zcent ) 231 END DO 235 232 END DO 236 233 END DO 237 END DO 238 239 240 IF( l_trdtra ) THEN ! Save the i- and j-advective trends for diagnostic (U.gradz(T) trends) 241 ! 234 235 ! II. Divergence of advective fluxes 236 ! ---------------------------------- 242 237 DO jk = 1, jpkm1 243 238 DO jj = 2, jpjm1 244 239 DO ji = fs_2, fs_jpim1 ! vector opt. 245 !-- Compute zonal divergence by splitting hdivn (see divcur.F90) 246 ! N.B. This computation is not valid with OBC, BDY, cla, eiv, advective bbl 247 zbtr = btr2(ji,jj) / fse3t(ji,jj,jk) 248 z_hdivn_x = ( e2u(ji ,jj) * fse3u(ji ,jj,jk) * pun(ji ,jj,jk) & 249 & - e2u(ji-1,jj) * fse3u(ji-1,jj,jk) * pun(ji-1,jj,jk) ) * zbtr 250 ! 251 ztrdt(ji,jj,jk) = - zbtr * ( zwx(ji,jj,jk) - zwx(ji-1,jj,jk) ) + tn(ji,jj,jk) * z_hdivn_x 252 ztrds(ji,jj,jk) = - zbtr * ( zww(ji,jj,jk) - zww(ji-1,jj,jk) ) + sn(ji,jj,jk) * z_hdivn_x 240 zbtr = 1. / ( e1t(ji,jj) * e2t(ji,jj) * fse3t(ji,jj,jk) ) 241 ! advective trends 242 ztra = - zbtr * ( zwx(ji,jj,jk) - zwx(ji-1,jj ,jk ) & 243 & + zwy(ji,jj,jk) - zwy(ji ,jj-1,jk ) & 244 & + zwz(ji,jj,jk) - zwz(ji ,jj ,jk+1) ) 245 ! advective trends added to the general tracer trends 246 pta(ji,jj,jk,jn) = pta(ji,jj,jk,jn) + ztra 253 247 END DO 254 248 END DO 255 249 END DO 256 CALL trd_mod(ztrdt, ztrds, jptra_trd_xad, 'TRA', kt) 257 ! 258 DO jk = 1, jpkm1 ! T/S MERIDIONAL advection trends 259 DO jj = 2, jpjm1 260 DO ji = fs_2, fs_jpim1 ! vector opt. 261 zbtr = btr2(ji,jj) / fse3t(ji,jj,jk) 262 z_hdivn_y = ( e1v(ji, jj) * fse3v(ji,jj ,jk) * pvn(ji,jj ,jk) & 263 & - e1v(ji,jj-1) * fse3v(ji,jj-1,jk) * pvn(ji,jj-1,jk) ) * zbtr 264 ! 265 ztrdt(ji,jj,jk) = - zbtr * ( zwy(ji,jj,jk) - zwy(ji,jj-1,jk) ) + tn(ji,jj,jk) * z_hdivn_y 266 ztrds(ji,jj,jk) = - zbtr * ( zwz(ji,jj,jk) - zwz(ji,jj-1,jk) ) + sn(ji,jj,jk) * z_hdivn_y 267 END DO 268 END DO 269 END DO 270 CALL trd_mod(ztrdt, ztrds, jptra_trd_yad, 'TRA', kt) 271 ! 272 ztrdt(:,:,:) = ta(:,:,:) ; ztrds(:,:,:) = sa(:,:,:) ! Save the horizontal up-to-date ta/sa trends 273 ! 274 ENDIF 275 276 IF( ln_diaptr .AND. ( MOD( kt, nf_ptr ) == 0 ) ) THEN ! "zonal" mean advective heat and salt transport 277 pht_adv(:) = ptr_vj( zwy(:,:,:) ) 278 pst_adv(:) = ptr_vj( zwz(:,:,:) ) 279 ENDIF 280 281 IF(ln_ctl) CALL prt_ctl( tab3d_1=ta, clinfo1=' cen2 had - Ta: ', mask1=tmask, & 282 & tab3d_2=sa, clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' ) 283 284 285 ! II. Vertical advection 286 ! ================== 287 ! 288 zwx(:,:,jpk) = 0.e0 ; zwy(:,:,jpk) = 0.e0 ! Bottom value : flux set to zero 289 ! 290 IF( lk_vvl ) THEN ! Surface value : zero in variable volume 291 zwx(:,:, 1 ) = 0.e0 ; zwy(:,:, 1 ) = 0.e0 292 ELSE ! : linear free surface case 293 zwx(:,:, 1 ) = pwn(:,:,1) * tn(:,:,1) 294 zwy(:,:, 1 ) = pwn(:,:,1) * sn(:,:,1) 295 ENDIF 296 ! 297 DO jk = 2, jpk ! Second order centered tracer flux at w-point 298 DO jj = 2, jpjm1 299 DO ji = fs_2, fs_jpim1 ! vector opt. 300 zcofk = MAX( zind(ji,jj,jk-1), zind(ji,jj,jk) ) ! upstream indicator 301 zhw = 0.5 * pwn(ji,jj,jk) ! velocity * 1/2 302 ! 303 zfp_w = zhw + ABS( zhw ) ! upstream scheme 304 zfm_w = zhw - ABS( zhw ) 305 zupst = zfp_w * tb(ji,jj,jk) + zfm_w * tb(ji,jj,jk-1) 306 zupss = zfp_w * sb(ji,jj,jk) + zfm_w * sb(ji,jj,jk-1) 307 ! 308 zcent = zhw * ( tn(ji,jj,jk) + tn(ji,jj,jk-1) ) ! centered scheme 309 zcens = zhw * ( sn(ji,jj,jk) + sn(ji,jj,jk-1) ) 310 ! 311 zwx(ji,jj,jk) = zcofk * zupst + (1.-zcofk) * zcent ! mixed centered / upstream scheme 312 zwy(ji,jj,jk) = zcofk * zupss + (1.-zcofk) * zcens 313 END DO 314 END DO 315 END DO 316 ! 317 DO jk = 1, jpkm1 ! divergence of Tracer flux added to the general trend 318 DO jj = 2, jpjm1 319 DO ji = fs_2, fs_jpim1 ! vector opt. 320 ze3tr = 1. / fse3t(ji,jj,jk) 321 ta(ji,jj,jk) = ta(ji,jj,jk) - ze3tr * ( zwx(ji,jj,jk) - zwx(ji,jj,jk+1) ) 322 sa(ji,jj,jk) = sa(ji,jj,jk) - ze3tr * ( zwy(ji,jj,jk) - zwy(ji,jj,jk+1) ) 323 END DO 324 END DO 325 END DO 326 327 IF( l_trdtra ) THEN ! Save the vertical advective trends for diagnostic (W gradz(T) trends) 328 DO jk = 1, jpkm1 329 DO jj = 2, jpjm1 330 DO ji = fs_2, fs_jpim1 ! vector opt. 331 zbtr = btr2(ji,jj) / fse3t(ji,jj,jk) 332 z_hdivn_x = e2u(ji,jj)*fse3u(ji,jj,jk)*pun(ji,jj,jk) - e2u(ji-1,jj)*fse3u(ji-1,jj,jk)*pun(ji-1,jj,jk) 333 z_hdivn_y = e1v(ji,jj)*fse3v(ji,jj,jk)*pvn(ji,jj,jk) - e1v(ji,jj-1)*fse3v(ji,jj-1,jk)*pvn(ji,jj-1,jk) 334 ! 335 z_hdivn = (z_hdivn_x + z_hdivn_y) * zbtr 336 ztrdt(ji,jj,jk) = ta(ji,jj,jk) - ztrdt(ji,jj,jk) - tn(ji,jj,jk) * z_hdivn 337 ztrds(ji,jj,jk) = sa(ji,jj,jk) - ztrds(ji,jj,jk) - sn(ji,jj,jk) * z_hdivn 338 END DO 339 END DO 340 END DO 341 CALL trd_mod(ztrdt, ztrds, jptra_trd_zad, 'TRA', kt) 342 ENDIF 343 344 ! write avmb, avtb in restart (traadv_cen2 requires a modified avmb, avtb that are 250 251 ! ! trend diagnostics (contribution of upstream fluxes) 252 IF( l_trd ) THEN 253 CALL trd_tra( kt, cdtype, jn, jptra_trd_xad, zwx, pun, ptn(:,:,:,jn) ) 254 CALL trd_tra( kt, cdtype, jn, jptra_trd_yad, zwy, pvn, ptn(:,:,:,jn) ) 255 CALL trd_tra( kt, cdtype, jn, jptra_trd_zad, zwz, pwn, ptn(:,:,:,jn) ) 256 END IF 257 ! ! "Poleward" heat and salt transports (contribution of upstream fluxes) 258 IF( cdtype == 'TRA' .AND. ln_diaptr .AND. ( MOD( kt, nn_fptr ) == 0 ) ) THEN 259 IF( jn == jp_tem ) htr_adv(:) = ptr_vj( zwy(:,:,:) ) 260 IF( jn == jp_sal ) str_adv(:) = ptr_vj( zwy(:,:,:) ) 261 ENDIF 262 ! 263 ENDDO 264 345 265 ! --------------------------- required in restart file to ensure restartability) 346 266 ! avmb, avtb will be read in zdfini in restart case as they are used in zdftke, kpp etc... 347 IF( lrst_oce ) THEN267 IF( lrst_oce .AND. cdtype == 'TRA' ) THEN 348 268 CALL iom_rstput( kt, nitrst, numrow, 'avmb', avmb ) 349 269 CALL iom_rstput( kt, nitrst, numrow, 'avtb', avtb ) 350 270 ENDIF 351 352 IF(ln_ctl) CALL prt_ctl( tab3d_1=ta, clinfo1=' cen2 zad - Ta: ', mask1=tmask, &353 & tab3d_2=sa, clinfo2= ' Sa: ', mask2=tmask, clinfo3='tra' )354 271 ! 355 272 END SUBROUTINE tra_adv_cen2
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