[3] | 1 | MODULE dynldf_iso |
---|
| 2 | !!====================================================================== |
---|
| 3 | !! *** MODULE dynldf_iso *** |
---|
[5836] | 4 | !! Ocean dynamics: lateral viscosity trend (rotated laplacian operator) |
---|
[3] | 5 | !!====================================================================== |
---|
[2715] | 6 | !! History : OPA ! 97-07 (G. Madec) Original code |
---|
| 7 | !! NEMO 1.0 ! 2002-08 (G. Madec) F90: Free form and module |
---|
| 8 | !! - ! 2004-08 (C. Talandier) New trends organization |
---|
| 9 | !! 2.0 ! 2005-11 (G. Madec) s-coordinate: horizontal diffusion |
---|
[5836] | 10 | !! 3.7 ! 2014-01 (F. Lemarie, G. Madec) restructuration/simplification of ahm specification, |
---|
| 11 | !! ! add velocity dependent coefficient and optional read in file |
---|
[2715] | 12 | !!---------------------------------------------------------------------- |
---|
[5836] | 13 | |
---|
[3] | 14 | !!---------------------------------------------------------------------- |
---|
| 15 | !! dyn_ldf_iso : update the momentum trend with the horizontal part |
---|
| 16 | !! of the lateral diffusion using isopycnal or horizon- |
---|
| 17 | !! tal s-coordinate laplacian operator. |
---|
| 18 | !!---------------------------------------------------------------------- |
---|
| 19 | USE oce ! ocean dynamics and tracers |
---|
| 20 | USE dom_oce ! ocean space and time domain |
---|
[5836] | 21 | USE ldfdyn ! lateral diffusion: eddy viscosity coef. |
---|
| 22 | USE ldftra ! lateral physics: eddy diffusivity |
---|
[3] | 23 | USE zdf_oce ! ocean vertical physics |
---|
| 24 | USE ldfslp ! iso-neutral slopes |
---|
[4990] | 25 | ! |
---|
[3] | 26 | USE in_out_manager ! I/O manager |
---|
[2715] | 27 | USE lib_mpp ! MPP library |
---|
[5836] | 28 | USE lbclnk ! ocean lateral boundary conditions (or mpp link) |
---|
[258] | 29 | USE prtctl ! Print control |
---|
[3] | 30 | |
---|
| 31 | IMPLICIT NONE |
---|
| 32 | PRIVATE |
---|
| 33 | |
---|
[2715] | 34 | PUBLIC dyn_ldf_iso ! called by step.F90 |
---|
| 35 | PUBLIC dyn_ldf_iso_alloc ! called by nemogcm.F90 |
---|
[3] | 36 | |
---|
[9019] | 37 | REAL(wp), PUBLIC, ALLOCATABLE, SAVE, DIMENSION(:,:,:) :: akzu, akzv !: vertical component of rotated lateral viscosity |
---|
| 38 | |
---|
[2715] | 39 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zfuw, zdiu, zdju, zdj1u ! 2D workspace (dyn_ldf_iso) |
---|
| 40 | REAL(wp), ALLOCATABLE, SAVE, DIMENSION(:,:) :: zfvw, zdiv, zdjv, zdj1v ! - - |
---|
| 41 | |
---|
[3] | 42 | !! * Substitutions |
---|
| 43 | # include "vectopt_loop_substitute.h90" |
---|
| 44 | !!---------------------------------------------------------------------- |
---|
[9598] | 45 | !! NEMO/OCE 4.0 , NEMO Consortium (2018) |
---|
[1156] | 46 | !! $Id$ |
---|
[10068] | 47 | !! Software governed by the CeCILL license (see ./LICENSE) |
---|
[3] | 48 | !!---------------------------------------------------------------------- |
---|
| 49 | CONTAINS |
---|
| 50 | |
---|
[2715] | 51 | INTEGER FUNCTION dyn_ldf_iso_alloc() |
---|
| 52 | !!---------------------------------------------------------------------- |
---|
| 53 | !! *** ROUTINE dyn_ldf_iso_alloc *** |
---|
| 54 | !!---------------------------------------------------------------------- |
---|
[9019] | 55 | ALLOCATE( akzu(jpi,jpj,jpk) , zfuw(jpi,jpk) , zdiu(jpi,jpk) , zdju(jpi,jpk) , zdj1u(jpi,jpk) , & |
---|
| 56 | & akzv(jpi,jpj,jpk) , zfvw(jpi,jpk) , zdiv(jpi,jpk) , zdjv(jpi,jpk) , zdj1v(jpi,jpk) , STAT=dyn_ldf_iso_alloc ) |
---|
[2715] | 57 | ! |
---|
| 58 | IF( dyn_ldf_iso_alloc /= 0 ) CALL ctl_warn('dyn_ldf_iso_alloc: array allocate failed.') |
---|
| 59 | END FUNCTION dyn_ldf_iso_alloc |
---|
| 60 | |
---|
| 61 | |
---|
[10928] | 62 | SUBROUTINE dyn_ldf_iso( kt, Kbb, Kmm, puu, pvv, Krhs ) |
---|
[3] | 63 | !!---------------------------------------------------------------------- |
---|
| 64 | !! *** ROUTINE dyn_ldf_iso *** |
---|
| 65 | !! |
---|
[455] | 66 | !! ** Purpose : Compute the before trend of the rotated laplacian |
---|
| 67 | !! operator of lateral momentum diffusion except the diagonal |
---|
| 68 | !! vertical term that will be computed in dynzdf module. Add it |
---|
| 69 | !! to the general trend of momentum equation. |
---|
[3] | 70 | !! |
---|
| 71 | !! ** Method : |
---|
[455] | 72 | !! The momentum lateral diffusive trend is provided by a 2nd |
---|
| 73 | !! order operator rotated along neutral or geopotential surfaces |
---|
| 74 | !! (in s-coordinates). |
---|
[3] | 75 | !! It is computed using before fields (forward in time) and isopyc- |
---|
[455] | 76 | !! nal or geopotential slopes computed in routine ldfslp. |
---|
[3] | 77 | !! Here, u and v components are considered as 2 independent scalar |
---|
| 78 | !! fields. Therefore, the property of splitting divergent and rota- |
---|
| 79 | !! tional part of the flow of the standard, z-coordinate laplacian |
---|
| 80 | !! momentum diffusion is lost. |
---|
| 81 | !! horizontal fluxes associated with the rotated lateral mixing: |
---|
| 82 | !! u-component: |
---|
[10928] | 83 | !! ziut = ( ahmt + rn_ahm_b ) e2t * e3t / e1t di[ uu ] |
---|
| 84 | !! - ahmt e2t * mi-1(uslp) dk[ mi(mk(uu)) ] |
---|
| 85 | !! zjuf = ( ahmf + rn_ahm_b ) e1f * e3f / e2f dj[ uu ] |
---|
| 86 | !! - ahmf e1f * mi(vslp) dk[ mj(mk(uu)) ] |
---|
[3] | 87 | !! v-component: |
---|
[10928] | 88 | !! zivf = ( ahmf + rn_ahm_b ) e2t * e3t / e1t di[ vv ] |
---|
| 89 | !! - ahmf e2t * mj(uslp) dk[ mi(mk(vv)) ] |
---|
| 90 | !! zjvt = ( ahmt + rn_ahm_b ) e1f * e3f / e2f dj[ vv ] |
---|
| 91 | !! - ahmt e1f * mj-1(vslp) dk[ mj(mk(vv)) ] |
---|
[3] | 92 | !! take the horizontal divergence of the fluxes: |
---|
| 93 | !! diffu = 1/(e1u*e2u*e3u) { di [ ziut ] + dj-1[ zjuf ] } |
---|
| 94 | !! diffv = 1/(e1v*e2v*e3v) { di-1[ zivf ] + dj [ zjvt ] } |
---|
[10928] | 95 | !! Add this trend to the general trend (uu(rhs),vv(rhs)): |
---|
| 96 | !! uu(rhs) = uu(rhs) + diffu |
---|
[455] | 97 | !! CAUTION: here the isopycnal part is with a coeff. of aht. This |
---|
| 98 | !! should be modified for applications others than orca_r2 (!!bug) |
---|
[3] | 99 | !! |
---|
| 100 | !! ** Action : |
---|
[10928] | 101 | !! -(puu(:,:,:,Krhs),pvv(:,:,:,Krhs)) updated with the before geopotential harmonic mixing trend |
---|
[9019] | 102 | !! -(akzu,akzv) to accompt for the diagonal vertical component |
---|
| 103 | !! of the rotated operator in dynzdf module |
---|
[3] | 104 | !!---------------------------------------------------------------------- |
---|
[10928] | 105 | INTEGER , INTENT( in ) :: kt ! ocean time-step index |
---|
| 106 | INTEGER , INTENT( in ) :: Kbb, Kmm, Krhs ! ocean time level indices |
---|
| 107 | REAL(wp), DIMENSION(jpi,jpj,jpk,jpt), INTENT(inout) :: puu, pvv ! ocean velocities and RHS of momentum equation |
---|
[2715] | 108 | ! |
---|
| 109 | INTEGER :: ji, jj, jk ! dummy loop indices |
---|
[9019] | 110 | REAL(wp) :: zabe1, zmskt, zmkt, zuav, zuwslpi, zuwslpj ! local scalars |
---|
| 111 | REAL(wp) :: zabe2, zmskf, zmkf, zvav, zvwslpi, zvwslpj ! - - |
---|
[9490] | 112 | REAL(wp) :: zcof0, zcof1, zcof2, zcof3, zcof4, zaht_0 ! - - |
---|
[9019] | 113 | REAL(wp), DIMENSION(jpi,jpj) :: ziut, zivf, zdku, zdk1u ! 2D workspace |
---|
| 114 | REAL(wp), DIMENSION(jpi,jpj) :: zjuf, zjvt, zdkv, zdk1v ! - - |
---|
[2715] | 115 | !!---------------------------------------------------------------------- |
---|
[3294] | 116 | ! |
---|
[3] | 117 | IF( kt == nit000 ) THEN |
---|
| 118 | IF(lwp) WRITE(numout,*) |
---|
| 119 | IF(lwp) WRITE(numout,*) 'dyn_ldf_iso : iso-neutral laplacian diffusive operator or ' |
---|
| 120 | IF(lwp) WRITE(numout,*) '~~~~~~~~~~~ s-coordinate horizontal diffusive operator' |
---|
[2715] | 121 | ! ! allocate dyn_ldf_bilap arrays |
---|
| 122 | IF( dyn_ldf_iso_alloc() /= 0 ) CALL ctl_stop('STOP', 'dyn_ldf_iso: failed to allocate arrays') |
---|
[3] | 123 | ENDIF |
---|
[216] | 124 | |
---|
[5836] | 125 | !!gm bug is dyn_ldf_iso called before tra_ldf_iso .... <<<<<===== TO BE CHECKED |
---|
| 126 | ! s-coordinate: Iso-level diffusion on momentum but not on tracer |
---|
[455] | 127 | IF( ln_dynldf_hor .AND. ln_traldf_iso ) THEN |
---|
[2715] | 128 | ! |
---|
| 129 | DO jk = 1, jpk ! set the slopes of iso-level |
---|
[455] | 130 | DO jj = 2, jpjm1 |
---|
[4488] | 131 | DO ji = 2, jpim1 |
---|
[10928] | 132 | uslp (ji,jj,jk) = - ( gdept(ji+1,jj,jk,Kbb) - gdept(ji ,jj ,jk,Kbb) ) * r1_e1u(ji,jj) * umask(ji,jj,jk) |
---|
| 133 | vslp (ji,jj,jk) = - ( gdept(ji,jj+1,jk,Kbb) - gdept(ji ,jj ,jk,Kbb) ) * r1_e2v(ji,jj) * vmask(ji,jj,jk) |
---|
| 134 | wslpi(ji,jj,jk) = - ( gdepw(ji+1,jj,jk,Kbb) - gdepw(ji-1,jj,jk,Kbb) ) * r1_e1t(ji,jj) * tmask(ji,jj,jk) * 0.5 |
---|
| 135 | wslpj(ji,jj,jk) = - ( gdepw(ji,jj+1,jk,Kbb) - gdepw(ji,jj-1,jk,Kbb) ) * r1_e2t(ji,jj) * tmask(ji,jj,jk) * 0.5 |
---|
[455] | 136 | END DO |
---|
| 137 | END DO |
---|
| 138 | END DO |
---|
| 139 | ! Lateral boundary conditions on the slopes |
---|
[10425] | 140 | CALL lbc_lnk_multi( 'dynldf_iso', uslp , 'U', -1., vslp , 'V', -1., wslpi, 'W', -1., wslpj, 'W', -1. ) |
---|
[9019] | 141 | ! |
---|
| 142 | ENDIF |
---|
[9490] | 143 | |
---|
| 144 | zaht_0 = 0.5_wp * rn_Ud * rn_Ld ! aht_0 from namtra_ldf = zaht_max |
---|
| 145 | |
---|
[3] | 146 | ! ! =============== |
---|
| 147 | DO jk = 1, jpkm1 ! Horizontal slab |
---|
| 148 | ! ! =============== |
---|
| 149 | |
---|
| 150 | ! Vertical u- and v-shears at level jk and jk+1 |
---|
| 151 | ! --------------------------------------------- |
---|
| 152 | ! surface boundary condition: zdku(jk=1)=zdku(jk=2) |
---|
| 153 | ! zdkv(jk=1)=zdkv(jk=2) |
---|
| 154 | |
---|
[10928] | 155 | zdk1u(:,:) = ( puu(:,:,jk,Kbb) -puu(:,:,jk+1,Kbb) ) * umask(:,:,jk+1) |
---|
| 156 | zdk1v(:,:) = ( pvv(:,:,jk,Kbb) -pvv(:,:,jk+1,Kbb) ) * vmask(:,:,jk+1) |
---|
[3] | 157 | |
---|
| 158 | IF( jk == 1 ) THEN |
---|
| 159 | zdku(:,:) = zdk1u(:,:) |
---|
| 160 | zdkv(:,:) = zdk1v(:,:) |
---|
| 161 | ELSE |
---|
[10928] | 162 | zdku(:,:) = ( puu(:,:,jk-1,Kbb) - puu(:,:,jk,Kbb) ) * umask(:,:,jk) |
---|
| 163 | zdkv(:,:) = ( pvv(:,:,jk-1,Kbb) - pvv(:,:,jk,Kbb) ) * vmask(:,:,jk) |
---|
[3] | 164 | ENDIF |
---|
| 165 | |
---|
| 166 | ! -----f----- |
---|
| 167 | ! Horizontal fluxes on U | |
---|
| 168 | ! --------------------=== t u t |
---|
| 169 | ! | |
---|
| 170 | ! i-flux at t-point -----f----- |
---|
| 171 | |
---|
[455] | 172 | IF( ln_zps ) THEN ! z-coordinate - partial steps : min(e3u) |
---|
| 173 | DO jj = 2, jpjm1 |
---|
| 174 | DO ji = fs_2, jpi ! vector opt. |
---|
[10928] | 175 | zabe1 = ( ahmt(ji,jj,jk)+rn_ahm_b ) * e2t(ji,jj) * MIN( e3u(ji,jj,jk,Kmm), e3u(ji-1,jj,jk,Kmm) ) * r1_e1t(ji,jj) |
---|
[3] | 176 | |
---|
[5836] | 177 | zmskt = 1._wp / MAX( umask(ji-1,jj,jk )+umask(ji,jj,jk+1) & |
---|
| 178 | & + umask(ji-1,jj,jk+1)+umask(ji,jj,jk ) , 1._wp ) |
---|
[3] | 179 | |
---|
[9490] | 180 | zcof1 = - zaht_0 * e2t(ji,jj) * zmskt * 0.5 * ( uslp(ji-1,jj,jk) + uslp(ji,jj,jk) ) |
---|
[455] | 181 | |
---|
[10928] | 182 | ziut(ji,jj) = ( zabe1 * ( puu(ji,jj,jk,Kbb) - puu(ji-1,jj,jk,Kbb) ) & |
---|
[5836] | 183 | & + zcof1 * ( zdku (ji,jj) + zdk1u(ji-1,jj) & |
---|
[455] | 184 | & +zdk1u(ji,jj) + zdku (ji-1,jj) ) ) * tmask(ji,jj,jk) |
---|
| 185 | END DO |
---|
| 186 | END DO |
---|
| 187 | ELSE ! other coordinate system (zco or sco) : e3t |
---|
| 188 | DO jj = 2, jpjm1 |
---|
| 189 | DO ji = fs_2, jpi ! vector opt. |
---|
[10928] | 190 | zabe1 = ( ahmt(ji,jj,jk)+rn_ahm_b ) * e2t(ji,jj) * e3t(ji,jj,jk,Kmm) * r1_e1t(ji,jj) |
---|
[3] | 191 | |
---|
[5836] | 192 | zmskt = 1._wp / MAX( umask(ji-1,jj,jk ) + umask(ji,jj,jk+1) & |
---|
| 193 | & + umask(ji-1,jj,jk+1) + umask(ji,jj,jk ) , 1._wp ) |
---|
[455] | 194 | |
---|
[9490] | 195 | zcof1 = - zaht_0 * e2t(ji,jj) * zmskt * 0.5 * ( uslp(ji-1,jj,jk) + uslp(ji,jj,jk) ) |
---|
[455] | 196 | |
---|
[10928] | 197 | ziut(ji,jj) = ( zabe1 * ( puu(ji,jj,jk,Kbb) - puu(ji-1,jj,jk,Kbb) ) & |
---|
[455] | 198 | & + zcof1 * ( zdku (ji,jj) + zdk1u(ji-1,jj) & |
---|
| 199 | & +zdk1u(ji,jj) + zdku (ji-1,jj) ) ) * tmask(ji,jj,jk) |
---|
| 200 | END DO |
---|
[3] | 201 | END DO |
---|
[455] | 202 | ENDIF |
---|
[3] | 203 | |
---|
| 204 | ! j-flux at f-point |
---|
| 205 | DO jj = 1, jpjm1 |
---|
| 206 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[10928] | 207 | zabe2 = ( ahmf(ji,jj,jk) + rn_ahm_b ) * e1f(ji,jj) * e3f(ji,jj,jk) * r1_e2f(ji,jj) |
---|
[3] | 208 | |
---|
[5836] | 209 | zmskf = 1._wp / MAX( umask(ji,jj+1,jk )+umask(ji,jj,jk+1) & |
---|
| 210 | & + umask(ji,jj+1,jk+1)+umask(ji,jj,jk ) , 1._wp ) |
---|
[3] | 211 | |
---|
[9490] | 212 | zcof2 = - zaht_0 * e1f(ji,jj) * zmskf * 0.5 * ( vslp(ji+1,jj,jk) + vslp(ji,jj,jk) ) |
---|
[3] | 213 | |
---|
[10928] | 214 | zjuf(ji,jj) = ( zabe2 * ( puu(ji,jj+1,jk,Kbb) - puu(ji,jj,jk,Kbb) ) & |
---|
[455] | 215 | & + zcof2 * ( zdku (ji,jj+1) + zdk1u(ji,jj) & |
---|
| 216 | & +zdk1u(ji,jj+1) + zdku (ji,jj) ) ) * fmask(ji,jj,jk) |
---|
[3] | 217 | END DO |
---|
| 218 | END DO |
---|
| 219 | |
---|
| 220 | ! | t | |
---|
| 221 | ! Horizontal fluxes on V | | |
---|
| 222 | ! --------------------=== f---v---f |
---|
| 223 | ! | | |
---|
| 224 | ! i-flux at f-point | t | |
---|
| 225 | |
---|
| 226 | DO jj = 2, jpjm1 |
---|
| 227 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[10928] | 228 | zabe1 = ( ahmf(ji,jj,jk) + rn_ahm_b ) * e2f(ji,jj) * e3f(ji,jj,jk) * r1_e1f(ji,jj) |
---|
[3] | 229 | |
---|
[5836] | 230 | zmskf = 1._wp / MAX( vmask(ji+1,jj,jk )+vmask(ji,jj,jk+1) & |
---|
| 231 | & + vmask(ji+1,jj,jk+1)+vmask(ji,jj,jk ) , 1._wp ) |
---|
[3] | 232 | |
---|
[9490] | 233 | zcof1 = - zaht_0 * e2f(ji,jj) * zmskf * 0.5 * ( uslp(ji,jj+1,jk) + uslp(ji,jj,jk) ) |
---|
[3] | 234 | |
---|
[10928] | 235 | zivf(ji,jj) = ( zabe1 * ( pvv(ji+1,jj,jk,Kbb) - pvv(ji,jj,jk,Kbb) ) & |
---|
[5836] | 236 | & + zcof1 * ( zdkv (ji,jj) + zdk1v(ji+1,jj) & |
---|
| 237 | & + zdk1v(ji,jj) + zdkv (ji+1,jj) ) ) * fmask(ji,jj,jk) |
---|
[3] | 238 | END DO |
---|
| 239 | END DO |
---|
| 240 | |
---|
| 241 | ! j-flux at t-point |
---|
[455] | 242 | IF( ln_zps ) THEN ! z-coordinate - partial steps : min(e3u) |
---|
| 243 | DO jj = 2, jpj |
---|
| 244 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[10928] | 245 | zabe2 = ( ahmt(ji,jj,jk)+rn_ahm_b ) * e1t(ji,jj) * MIN( e3v(ji,jj,jk,Kmm), e3v(ji,jj-1,jk,Kmm) ) * r1_e2t(ji,jj) |
---|
[3] | 246 | |
---|
[5836] | 247 | zmskt = 1._wp / MAX( vmask(ji,jj-1,jk )+vmask(ji,jj,jk+1) & |
---|
| 248 | & + vmask(ji,jj-1,jk+1)+vmask(ji,jj,jk ) , 1._wp ) |
---|
[3] | 249 | |
---|
[9490] | 250 | zcof2 = - zaht_0 * e1t(ji,jj) * zmskt * 0.5 * ( vslp(ji,jj-1,jk) + vslp(ji,jj,jk) ) |
---|
[3] | 251 | |
---|
[10928] | 252 | zjvt(ji,jj) = ( zabe2 * ( pvv(ji,jj,jk,Kbb) - pvv(ji,jj-1,jk,Kbb) ) & |
---|
[5836] | 253 | & + zcof2 * ( zdkv (ji,jj-1) + zdk1v(ji,jj) & |
---|
[455] | 254 | & +zdk1v(ji,jj-1) + zdkv (ji,jj) ) ) * tmask(ji,jj,jk) |
---|
| 255 | END DO |
---|
[3] | 256 | END DO |
---|
[455] | 257 | ELSE ! other coordinate system (zco or sco) : e3t |
---|
| 258 | DO jj = 2, jpj |
---|
| 259 | DO ji = 1, fs_jpim1 ! vector opt. |
---|
[10928] | 260 | zabe2 = ( ahmt(ji,jj,jk)+rn_ahm_b ) * e1t(ji,jj) * e3t(ji,jj,jk,Kmm) * r1_e2t(ji,jj) |
---|
[3] | 261 | |
---|
[455] | 262 | zmskt = 1./MAX( vmask(ji,jj-1,jk )+vmask(ji,jj,jk+1) & |
---|
| 263 | & + vmask(ji,jj-1,jk+1)+vmask(ji,jj,jk ), 1. ) |
---|
[3] | 264 | |
---|
[9490] | 265 | zcof2 = - zaht_0 * e1t(ji,jj) * zmskt * 0.5 * ( vslp(ji,jj-1,jk) + vslp(ji,jj,jk) ) |
---|
[455] | 266 | |
---|
[10928] | 267 | zjvt(ji,jj) = ( zabe2 * ( pvv(ji,jj,jk,Kbb) - pvv(ji,jj-1,jk,Kbb) ) & |
---|
[455] | 268 | & + zcof2 * ( zdkv (ji,jj-1) + zdk1v(ji,jj) & |
---|
| 269 | & +zdk1v(ji,jj-1) + zdkv (ji,jj) ) ) * tmask(ji,jj,jk) |
---|
| 270 | END DO |
---|
| 271 | END DO |
---|
| 272 | ENDIF |
---|
| 273 | |
---|
| 274 | |
---|
[3] | 275 | ! Second derivative (divergence) and add to the general trend |
---|
| 276 | ! ----------------------------------------------------------- |
---|
| 277 | DO jj = 2, jpjm1 |
---|
[5836] | 278 | DO ji = 2, jpim1 !!gm Question vectop possible??? !!bug |
---|
[10928] | 279 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) + ( ziut(ji+1,jj) - ziut(ji,jj ) & |
---|
| 280 | & + zjuf(ji ,jj) - zjuf(ji,jj-1) ) * r1_e1e2u(ji,jj) / e3u(ji,jj,jk,Kmm) |
---|
| 281 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) + ( zivf(ji,jj ) - zivf(ji-1,jj) & |
---|
| 282 | & + zjvt(ji,jj+1) - zjvt(ji,jj ) ) * r1_e1e2v(ji,jj) / e3v(ji,jj,jk,Kmm) |
---|
[3] | 283 | END DO |
---|
| 284 | END DO |
---|
| 285 | ! ! =============== |
---|
| 286 | END DO ! End of slab |
---|
| 287 | ! ! =============== |
---|
[216] | 288 | |
---|
[455] | 289 | ! print sum trends (used for debugging) |
---|
[10928] | 290 | IF(ln_ctl) CALL prt_ctl( tab3d_1=puu(:,:,:,Krhs), clinfo1=' ldfh - Ua: ', mask1=umask, & |
---|
| 291 | & tab3d_2=pvv(:,:,:,Krhs), clinfo2= ' Va: ', mask2=vmask, clinfo3='dyn' ) |
---|
[216] | 292 | |
---|
| 293 | |
---|
[455] | 294 | ! ! =============== |
---|
| 295 | DO jj = 2, jpjm1 ! Vertical slab |
---|
| 296 | ! ! =============== |
---|
| 297 | |
---|
| 298 | |
---|
| 299 | ! I. vertical trends associated with the lateral mixing |
---|
| 300 | ! ===================================================== |
---|
| 301 | ! (excluding the vertical flux proportional to dk[t] |
---|
| 302 | |
---|
| 303 | |
---|
| 304 | ! I.1 horizontal momentum gradient |
---|
| 305 | ! -------------------------------- |
---|
| 306 | |
---|
| 307 | DO jk = 1, jpk |
---|
| 308 | DO ji = 2, jpi |
---|
| 309 | ! i-gradient of u at jj |
---|
[10928] | 310 | zdiu (ji,jk) = tmask(ji,jj ,jk) * ( puu(ji,jj ,jk,Kbb) - puu(ji-1,jj ,jk,Kbb) ) |
---|
[455] | 311 | ! j-gradient of u and v at jj |
---|
[10928] | 312 | zdju (ji,jk) = fmask(ji,jj ,jk) * ( puu(ji,jj+1,jk,Kbb) - puu(ji ,jj ,jk,Kbb) ) |
---|
| 313 | zdjv (ji,jk) = tmask(ji,jj ,jk) * ( pvv(ji,jj ,jk,Kbb) - pvv(ji ,jj-1,jk,Kbb) ) |
---|
[455] | 314 | ! j-gradient of u and v at jj+1 |
---|
[10928] | 315 | zdj1u(ji,jk) = fmask(ji,jj-1,jk) * ( puu(ji,jj ,jk,Kbb) - puu(ji ,jj-1,jk,Kbb) ) |
---|
| 316 | zdj1v(ji,jk) = tmask(ji,jj+1,jk) * ( pvv(ji,jj+1,jk,Kbb) - pvv(ji ,jj ,jk,Kbb) ) |
---|
[455] | 317 | END DO |
---|
| 318 | END DO |
---|
| 319 | DO jk = 1, jpk |
---|
| 320 | DO ji = 1, jpim1 |
---|
| 321 | ! i-gradient of v at jj |
---|
[10928] | 322 | zdiv (ji,jk) = fmask(ji,jj ,jk) * ( pvv(ji+1,jj,jk,Kbb) - pvv(ji ,jj ,jk,Kbb) ) |
---|
[455] | 323 | END DO |
---|
| 324 | END DO |
---|
| 325 | |
---|
| 326 | |
---|
| 327 | ! I.2 Vertical fluxes |
---|
| 328 | ! ------------------- |
---|
| 329 | |
---|
| 330 | ! Surface and bottom vertical fluxes set to zero |
---|
| 331 | DO ji = 1, jpi |
---|
| 332 | zfuw(ji, 1 ) = 0.e0 |
---|
| 333 | zfvw(ji, 1 ) = 0.e0 |
---|
| 334 | zfuw(ji,jpk) = 0.e0 |
---|
| 335 | zfvw(ji,jpk) = 0.e0 |
---|
| 336 | END DO |
---|
| 337 | |
---|
| 338 | ! interior (2=<jk=<jpk-1) on U field |
---|
| 339 | DO jk = 2, jpkm1 |
---|
| 340 | DO ji = 2, jpim1 |
---|
[9490] | 341 | zcof0 = 0.5_wp * zaht_0 * umask(ji,jj,jk) |
---|
[5836] | 342 | ! |
---|
[9019] | 343 | zuwslpi = zcof0 * ( wslpi(ji+1,jj,jk) + wslpi(ji,jj,jk) ) |
---|
| 344 | zuwslpj = zcof0 * ( wslpj(ji+1,jj,jk) + wslpj(ji,jj,jk) ) |
---|
[5836] | 345 | ! |
---|
[9019] | 346 | zmkt = 1./MAX( tmask(ji,jj,jk-1)+tmask(ji+1,jj,jk-1) & |
---|
| 347 | + tmask(ji,jj,jk )+tmask(ji+1,jj,jk ) , 1. ) |
---|
| 348 | zmkf = 1./MAX( fmask(ji,jj-1,jk-1) + fmask(ji,jj,jk-1) & |
---|
| 349 | + fmask(ji,jj-1,jk ) + fmask(ji,jj,jk ) , 1. ) |
---|
[455] | 350 | |
---|
[9019] | 351 | zcof3 = - e2u(ji,jj) * zmkt * zuwslpi |
---|
| 352 | zcof4 = - e1u(ji,jj) * zmkf * zuwslpj |
---|
[455] | 353 | ! vertical flux on u field |
---|
[9019] | 354 | zfuw(ji,jk) = zcof3 * ( zdiu (ji,jk-1) + zdiu (ji+1,jk-1) & |
---|
| 355 | & + zdiu (ji,jk ) + zdiu (ji+1,jk ) ) & |
---|
| 356 | & + zcof4 * ( zdj1u(ji,jk-1) + zdju (ji ,jk-1) & |
---|
| 357 | & + zdj1u(ji,jk ) + zdju (ji ,jk ) ) |
---|
| 358 | ! vertical mixing coefficient (akzu) |
---|
[9490] | 359 | ! Note: zcof0 include zaht_0, so divided by zaht_0 to obtain slp^2 * zaht_0 |
---|
| 360 | akzu(ji,jj,jk) = ( zuwslpi * zuwslpi + zuwslpj * zuwslpj ) / zaht_0 |
---|
[455] | 361 | END DO |
---|
| 362 | END DO |
---|
| 363 | |
---|
| 364 | ! interior (2=<jk=<jpk-1) on V field |
---|
| 365 | DO jk = 2, jpkm1 |
---|
| 366 | DO ji = 2, jpim1 |
---|
[9490] | 367 | zcof0 = 0.5_wp * zaht_0 * vmask(ji,jj,jk) |
---|
[9019] | 368 | ! |
---|
| 369 | zvwslpi = zcof0 * ( wslpi(ji,jj+1,jk) + wslpi(ji,jj,jk) ) |
---|
| 370 | zvwslpj = zcof0 * ( wslpj(ji,jj+1,jk) + wslpj(ji,jj,jk) ) |
---|
| 371 | ! |
---|
| 372 | zmkf = 1./MAX( fmask(ji-1,jj,jk-1)+fmask(ji,jj,jk-1) & |
---|
| 373 | & + fmask(ji-1,jj,jk )+fmask(ji,jj,jk ) , 1. ) |
---|
| 374 | zmkt = 1./MAX( tmask(ji,jj,jk-1)+tmask(ji,jj+1,jk-1) & |
---|
| 375 | & + tmask(ji,jj,jk )+tmask(ji,jj+1,jk ) , 1. ) |
---|
[455] | 376 | |
---|
[9019] | 377 | zcof3 = - e2v(ji,jj) * zmkf * zvwslpi |
---|
| 378 | zcof4 = - e1v(ji,jj) * zmkt * zvwslpj |
---|
[455] | 379 | ! vertical flux on v field |
---|
[9019] | 380 | zfvw(ji,jk) = zcof3 * ( zdiv (ji,jk-1) + zdiv (ji-1,jk-1) & |
---|
| 381 | & + zdiv (ji,jk ) + zdiv (ji-1,jk ) ) & |
---|
| 382 | & + zcof4 * ( zdjv (ji,jk-1) + zdj1v(ji ,jk-1) & |
---|
| 383 | & + zdjv (ji,jk ) + zdj1v(ji ,jk ) ) |
---|
| 384 | ! vertical mixing coefficient (akzv) |
---|
[9490] | 385 | ! Note: zcof0 include zaht_0, so divided by zaht_0 to obtain slp^2 * zaht_0 |
---|
| 386 | akzv(ji,jj,jk) = ( zvwslpi * zvwslpi + zvwslpj * zvwslpj ) / zaht_0 |
---|
[455] | 387 | END DO |
---|
| 388 | END DO |
---|
| 389 | |
---|
| 390 | |
---|
| 391 | ! I.3 Divergence of vertical fluxes added to the general tracer trend |
---|
| 392 | ! ------------------------------------------------------------------- |
---|
| 393 | DO jk = 1, jpkm1 |
---|
| 394 | DO ji = 2, jpim1 |
---|
[10928] | 395 | puu(ji,jj,jk,Krhs) = puu(ji,jj,jk,Krhs) + ( zfuw(ji,jk) - zfuw(ji,jk+1) ) * r1_e1e2u(ji,jj) / e3u(ji,jj,jk,Kmm) |
---|
| 396 | pvv(ji,jj,jk,Krhs) = pvv(ji,jj,jk,Krhs) + ( zfvw(ji,jk) - zfvw(ji,jk+1) ) * r1_e1e2v(ji,jj) / e3v(ji,jj,jk,Kmm) |
---|
[455] | 397 | END DO |
---|
| 398 | END DO |
---|
| 399 | ! ! =============== |
---|
| 400 | END DO ! End of slab |
---|
| 401 | ! ! =============== |
---|
[3] | 402 | END SUBROUTINE dyn_ldf_iso |
---|
| 403 | |
---|
| 404 | !!====================================================================== |
---|
| 405 | END MODULE dynldf_iso |
---|