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C $Header: /u/gcmpack/MITgcm/model/src/salt_integrate.F,v 1.7 2014/04/04 20:54:11 jmc Exp $ |
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C $Name: $ |
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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#ifdef ALLOW_AUTODIFF |
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# include "AUTODIFF_OPTIONS.h" |
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#endif |
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#ifdef ALLOW_GENERIC_ADVDIFF |
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# include "GAD_OPTIONS.h" |
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#endif |
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CBOP |
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C !ROUTINE: SALT_INTEGRATE |
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C !INTERFACE: |
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SUBROUTINE SALT_INTEGRATE( |
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I bi, bj, recip_hFac, |
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I uFld, vFld, wFld, |
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U KappaRk, |
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I myTime, myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE SALT_INTEGRATE |
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C | o Calculate tendency for salt |
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C | and integrates forward in time. |
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C *==========================================================* |
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C | A procedure called EXTERNAL_FORCING_S is called from |
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C | here. These procedures can be used to add per problem |
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C | E-P flux source terms. |
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C | Note: Although it is slightly counter-intuitive the |
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C | EXTERNAL_FORCING routine is not the place to put |
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C | file I/O. Instead files that are required to |
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C | calculate the external source terms are generally |
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C | read during the model main loop. This makes the |
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C | logistics of multi-processing simpler and also |
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C | makes the adjoint generation simpler. It also |
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C | allows for I/O to overlap computation where that |
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C | is supported by hardware. |
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C | Aside from the problem specific term the code here |
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C | forms the tendency terms due to advection and mixing |
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C | The baseline implementation here uses a centered |
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C | difference form for the advection term and a tensorial |
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C | divergence of a flux form for the diffusive term. The |
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C | diffusive term is formulated so that isopycnal mixing |
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C | and GM-style subgrid-scale terms can be incorporated by |
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C | simply setting the diffusion tensor terms appropriately. |
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C *==========================================================* |
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C \ev |
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C !USES: |
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IMPLICIT NONE |
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C == GLobal variables == |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "DYNVARS.h" |
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#include "RESTART.h" |
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#ifdef ALLOW_GENERIC_ADVDIFF |
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# include "GAD.h" |
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# include "GAD_SOM_VARS.h" |
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#endif |
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#ifdef ALLOW_AUTODIFF |
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# include "tamc.h" |
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# include "tamc_keys.h" |
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#endif |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C bi, bj, :: tile indices |
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C recip_hFac :: reciprocal of cell open-depth factor (@ next iter) |
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C uFld,vFld :: Local copy of horizontal velocity field |
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C wFld :: Local copy of vertical velocity field |
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C KappaRk :: Vertical diffusion for Salinity |
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C myTime :: current time |
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C myIter :: current iteration number |
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C myThid :: my Thread Id. number |
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INTEGER bi, bj |
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_RS recip_hFac(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL uFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL vFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL wFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL KappaRk (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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CEOP |
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#ifdef ALLOW_GENERIC_ADVDIFF |
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C !LOCAL VARIABLES: |
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C iMin, iMax :: 1rst index loop range |
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C jMin, jMax :: 2nd index loop range |
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C k :: vertical index |
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C kM1 :: =k-1 for k>1, =1 for k=1 |
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C kUp :: index into 2 1/2D array, toggles between 1|2 |
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C kDown :: index into 2 1/2D array, toggles between 2|1 |
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C xA :: Tracer cell face area normal to X |
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C yA :: Tracer cell face area normal to X |
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C maskUp :: Land/water mask for Wvel points (interface k) |
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C uTrans :: Zonal volume transport through cell face |
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C vTrans :: Meridional volume transport through cell face |
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C rTrans :: Vertical volume transport at interface k |
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C rTransKp :: Vertical volume transport at inteface k+1 |
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C fZon :: Flux of salt (S) in the zonal direction |
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C fMer :: Flux of salt (S) in the meridional direction |
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C fVer :: Flux of salt (S) in the vertical direction |
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C at the upper(U) and lower(D) faces of a cell. |
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INTEGER iMin, iMax, jMin, jMax |
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INTEGER i, j, k |
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INTEGER kUp, kDown, kM1 |
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_RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS maskUp (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL uTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL vTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL rTrans (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL rTransKp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL fZon (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL fMer (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL fVer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,2) |
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_RL gs_AB (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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LOGICAL calcAdvection |
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INTEGER iterNb |
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#ifdef ALLOW_ADAMSBASHFORTH_3 |
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INTEGER m1, m2 |
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#endif |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C- Loop ranges for daughter routines |
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iMin = 1-OLx+2 |
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iMax = sNx+OLx-1 |
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jMin = 1-OLy+2 |
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jMax = sNy+OLy-1 |
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iterNb = myIter |
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IF (staggerTimeStep) iterNb = myIter - 1 |
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#ifdef ALLOW_AUTODIFF_TAMC |
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act1 = bi - myBxLo(myThid) |
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max1 = myBxHi(myThid) - myBxLo(myThid) + 1 |
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act2 = bj - myByLo(myThid) |
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max2 = myByHi(myThid) - myByLo(myThid) + 1 |
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act3 = myThid - 1 |
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max3 = nTx*nTy |
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act4 = ikey_dynamics - 1 |
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itdkey = (act1 + 1) + act2*max1 |
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& + act3*max1*max2 |
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& + act4*max1*max2*max3 |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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C- Tracer tendency needs to be set to zero (moved here from gad_calc_rhs): |
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DO k=1,Nr |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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gS(i,j,k,bi,bj) = 0. _d 0 |
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ENDDO |
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ENDDO |
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ENDDO |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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fVer(i,j,1) = 0. _d 0 |
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fVer(i,j,2) = 0. _d 0 |
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ENDDO |
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ENDDO |
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#ifdef ALLOW_AUTODIFF |
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DO k=1,Nr |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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kappaRk(i,j,k) = 0. _d 0 |
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ENDDO |
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ENDDO |
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ENDDO |
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CADJ STORE salt(:,:,:,bi,bj) = comlev1_bibj , key=itdkey, byte=isbyte |
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CADJ STORE wFld(:,:,:) = comlev1_bibj , key=itdkey, byte=isbyte |
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#endif /* ALLOW_AUTODIFF */ |
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#ifdef INCLUDE_CALC_DIFFUSIVITY_CALL |
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CALL CALC_3D_DIFFUSIVITY( |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I GAD_SALINITY, useGMredi, useKPP, |
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O kappaRk, |
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I myThid ) |
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#endif /* INCLUDE_CALC_DIFFUSIVITY_CALL */ |
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#ifndef DISABLE_MULTIDIM_ADVECTION |
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C-- Some advection schemes are better calculated using a multi-dimensional |
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C method in the absence of any other terms and, if used, is done here. |
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C |
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C The CPP flag DISABLE_MULTIDIM_ADVECTION is currently unset in GAD_OPTIONS.h |
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C The default is to use multi-dimensinal advection for non-linear advection |
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C schemes. However, for the sake of efficiency of the adjoint it is necessary |
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C to be able to exclude this scheme to avoid excessive storage and |
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C recomputation. It *is* differentiable, if you need it. |
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C Edit GAD_OPTIONS.h and #define DISABLE_MULTIDIM_ADVECTION to |
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C disable this section of code. |
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#ifdef GAD_ALLOW_TS_SOM_ADV |
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# ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE som_S = comlev1_bibj, key=itdkey, byte=isbyte |
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# endif |
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IF ( saltSOM_Advection ) THEN |
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# ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('GAD_SOM_ADVECT',myThid) |
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# endif |
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CALL GAD_SOM_ADVECT( |
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I saltImplVertAdv, saltAdvScheme, saltVertAdvScheme, |
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I GAD_SALINITY, dTtracerLev, |
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I uFld, vFld, wFld, salt, |
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U som_S, |
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O gS, |
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I bi, bj, myTime, myIter, myThid ) |
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ELSEIF (saltMultiDimAdvec) THEN |
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#else /* GAD_ALLOW_TS_SOM_ADV */ |
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IF (saltMultiDimAdvec) THEN |
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#endif /* GAD_ALLOW_TS_SOM_ADV */ |
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# ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('GAD_ADVECTION',myThid) |
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# endif |
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CALL GAD_ADVECTION( |
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I saltImplVertAdv, saltAdvScheme, saltVertAdvScheme, |
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I GAD_SALINITY, dTtracerLev, |
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I uFld, vFld, wFld, salt, |
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O gS, |
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I bi, bj, myTime, myIter, myThid ) |
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ENDIF |
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#endif /* DISABLE_MULTIDIM_ADVECTION */ |
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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C- Start vertical index (k) loop (Nr:1) |
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calcAdvection = saltAdvection .AND. .NOT.saltMultiDimAdvec |
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DO k=Nr,1,-1 |
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#ifdef ALLOW_AUTODIFF_TAMC |
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kkey = (itdkey-1)*Nr + k |
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#endif |
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kM1 = MAX(1,k-1) |
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kUp = 1+MOD(k+1,2) |
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kDown= 1+MOD(k,2) |
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#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE fVer(:,:,:) = comlev1_bibj_k, key=kkey, |
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CADJ & byte=isbyte, kind = isbyte |
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CADJ STORE gS(:,:,k,bi,bj) = comlev1_bibj_k, key=kkey, |
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CADJ & byte=isbyte, kind = isbyte |
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# ifdef ALLOW_ADAMSBASHFORTH_3 |
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CADJ STORE gsNm(:,:,k,bi,bj,1) = comlev1_bibj_k, key=kkey, |
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CADJ & byte=isbyte, kind = isbyte |
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CADJ STORE gsNm(:,:,k,bi,bj,2) = comlev1_bibj_k, key=kkey, |
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CADJ & kind = isbyte |
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# else |
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CADJ STORE gsNm1(:,:,k,bi,bj) = comlev1_bibj_k, key=kkey, |
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CADJ & byte=isbyte, kind = isbyte |
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# endif |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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CALL CALC_ADV_FLOW( |
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I uFld, vFld, wFld, |
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U rTrans, |
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O uTrans, vTrans, rTransKp, |
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O maskUp, xA, yA, |
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I k, bi, bj, myThid ) |
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#ifdef ALLOW_ADAMSBASHFORTH_3 |
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m1 = 1 + MOD(iterNb+1,2) |
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m2 = 1 + MOD( iterNb ,2) |
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CALL GAD_CALC_RHS( |
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I bi, bj, iMin,iMax,jMin,jMax, k, kM1, kUp, kDown, |
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I xA, yA, maskUp, uFld(1-OLx,1-OLy,k), |
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I vFld(1-OLx,1-OLy,k), wFld(1-OLx,1-OLy,k), |
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I uTrans, vTrans, rTrans, rTransKp, |
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I diffKhS, diffK4S, KappaRk(1-OLx,1-OLy,k), diffKr4S, |
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I gsNm(1-OLx,1-OLy,1,1,1,m2), salt, dTtracerLev, |
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I GAD_SALINITY, saltAdvScheme, saltVertAdvScheme, |
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I calcAdvection, saltImplVertAdv, AdamsBashforth_S, |
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I saltVertDiff4, useGMRedi, useKPP, |
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O fZon, fMer, |
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U fVer, gS, |
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I myTime, myIter, myThid ) |
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#else /* ALLOW_ADAMSBASHFORTH_3 */ |
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CALL GAD_CALC_RHS( |
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I bi, bj, iMin,iMax,jMin,jMax, k, kM1, kUp, kDown, |
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I xA, yA, maskUp, uFld(1-OLx,1-OLy,k), |
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I vFld(1-OLx,1-OLy,k), wFld(1-OLx,1-OLy,k), |
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I uTrans, vTrans, rTrans, rTransKp, |
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I diffKhS, diffK4S, KappaRk(1-OLx,1-OLy,k), diffKr4S, |
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I gsNm1, salt, dTtracerLev, |
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I GAD_SALINITY, saltAdvScheme, saltVertAdvScheme, |
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I calcAdvection, saltImplVertAdv, AdamsBashforth_S, |
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I saltVertDiff4, useGMRedi, useKPP, |
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O fZon, fMer, |
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U fVer, gS, |
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I myTime, myIter, myThid ) |
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#endif /* ALLOW_ADAMSBASHFORTH_3 */ |
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C-- External salinity forcing term(s) inside Adams-Bashforth: |
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IF ( saltForcing .AND. tracForcingOutAB.NE.1 ) |
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& CALL EXTERNAL_FORCING_S( |
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I iMin, iMax, jMin, jMax, bi, bj, k, |
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I myTime, myThid ) |
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IF ( AdamsBashforthGs ) THEN |
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#ifdef ALLOW_ADAMSBASHFORTH_3 |
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CALL ADAMS_BASHFORTH3( |
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I bi, bj, k, Nr, |
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U gS, gsNm, gs_AB, |
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I saltStartAB, iterNb, myThid ) |
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#else |
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CALL ADAMS_BASHFORTH2( |
| 307 |
|
|
I bi, bj, k, Nr, |
| 308 |
|
|
U gS, gsNm1, gs_AB, |
| 309 |
|
|
I saltStartAB, iterNb, myThid ) |
| 310 |
|
|
#endif |
| 311 |
|
|
#ifdef ALLOW_DIAGNOSTICS |
| 312 |
|
|
IF ( useDiagnostics ) THEN |
| 313 |
|
|
CALL DIAGNOSTICS_FILL(gs_AB,'AB_gS ',k,1,2,bi,bj,myThid) |
| 314 |
|
|
ENDIF |
| 315 |
|
|
#endif /* ALLOW_DIAGNOSTICS */ |
| 316 |
|
|
ENDIF |
| 317 |
|
|
|
| 318 |
|
|
C-- External salinity forcing term(s) outside Adams-Bashforth: |
| 319 |
|
|
IF ( saltForcing .AND. tracForcingOutAB.EQ.1 ) |
| 320 |
|
|
& CALL EXTERNAL_FORCING_S( |
| 321 |
|
|
I iMin, iMax, jMin, jMax, bi, bj, k, |
| 322 |
|
|
I myTime, myThid ) |
| 323 |
|
|
|
| 324 |
|
|
#ifdef NONLIN_FRSURF |
| 325 |
|
|
IF (nonlinFreeSurf.GT.0) THEN |
| 326 |
|
|
CALL FREESURF_RESCALE_G( |
| 327 |
|
|
I bi, bj, k, |
| 328 |
|
|
U gS, |
| 329 |
|
|
I myThid ) |
| 330 |
|
|
IF ( AdamsBashforthGs ) THEN |
| 331 |
|
|
#ifdef ALLOW_ADAMSBASHFORTH_3 |
| 332 |
|
|
# ifdef ALLOW_AUTODIFF_TAMC |
| 333 |
|
|
CADJ STORE gsNm(:,:,k,bi,bj,1) = comlev1_bibj_k, key=kkey, |
| 334 |
|
|
CADJ & byte=isbyte, kind = isbyte |
| 335 |
|
|
CADJ STORE gsNm(:,:,k,bi,bj,2) = comlev1_bibj_k, key=kkey, |
| 336 |
|
|
CADJ & kind = isbyte |
| 337 |
|
|
# endif |
| 338 |
|
|
CALL FREESURF_RESCALE_G( |
| 339 |
|
|
I bi, bj, k, |
| 340 |
|
|
U gsNm(1-OLx,1-OLy,1,1,1,1), |
| 341 |
|
|
I myThid ) |
| 342 |
|
|
CALL FREESURF_RESCALE_G( |
| 343 |
|
|
I bi, bj, k, |
| 344 |
|
|
U gsNm(1-OLx,1-OLy,1,1,1,2), |
| 345 |
|
|
I myThid ) |
| 346 |
|
|
#else |
| 347 |
|
|
CALL FREESURF_RESCALE_G( |
| 348 |
|
|
I bi, bj, k, |
| 349 |
|
|
U gsNm1, |
| 350 |
|
|
I myThid ) |
| 351 |
|
|
#endif |
| 352 |
|
|
ENDIF |
| 353 |
|
|
ENDIF |
| 354 |
|
|
#endif /* NONLIN_FRSURF */ |
| 355 |
|
|
|
| 356 |
|
|
#ifdef ALLOW_ADAMSBASHFORTH_3 |
| 357 |
|
|
IF ( AdamsBashforth_S ) THEN |
| 358 |
|
|
CALL TIMESTEP_TRACER( |
| 359 |
|
|
I bi, bj, k, dTtracerLev(k), |
| 360 |
|
|
I gsNm(1-OLx,1-OLy,1,1,1,m2), |
| 361 |
|
|
U gS, |
| 362 |
|
|
I myIter, myThid ) |
| 363 |
|
|
ELSE |
| 364 |
|
|
#endif |
| 365 |
|
|
CALL TIMESTEP_TRACER( |
| 366 |
|
|
I bi, bj, k, dTtracerLev(k), |
| 367 |
|
|
I salt, |
| 368 |
|
|
U gS, |
| 369 |
|
|
I myIter, myThid ) |
| 370 |
|
|
#ifdef ALLOW_ADAMSBASHFORTH_3 |
| 371 |
|
|
ENDIF |
| 372 |
|
|
#endif |
| 373 |
|
|
|
| 374 |
|
|
C- end of vertical index (k) loop (Nr:1) |
| 375 |
|
|
ENDDO |
| 376 |
|
|
|
| 377 |
|
|
#ifdef ALLOW_SALT_PLUME |
| 378 |
|
|
#ifdef SALT_PLUME_VOLUME |
| 379 |
|
|
IF ( useSALT_PLUME ) THEN |
| 380 |
|
|
IF ( usingZCoords ) THEN |
| 381 |
|
|
CALL SALT_PLUME_APPLY( |
| 382 |
|
|
I 2, bi, bj, |
| 383 |
|
|
I recip_hFacC, |
| 384 |
|
|
I salt, |
| 385 |
|
|
U gS, |
| 386 |
|
|
I myTime, myIter, myThid ) |
| 387 |
|
|
ENDIF |
| 388 |
|
|
ENDIF |
| 389 |
|
|
#endif /* SALT_PLUME_VOLUME */ |
| 390 |
|
|
#endif /* ALLOW_SALT_PLUME */ |
| 391 |
|
|
|
| 392 |
|
|
#ifdef ALLOW_DOWN_SLOPE |
| 393 |
|
|
IF ( useDOWN_SLOPE ) THEN |
| 394 |
|
|
IF ( usingPCoords ) THEN |
| 395 |
|
|
CALL DWNSLP_APPLY( |
| 396 |
|
|
I GAD_SALINITY, bi, bj, kSurfC, |
| 397 |
|
|
I recip_drF, recip_hFacC, recip_rA, |
| 398 |
|
|
I dTtracerLev, |
| 399 |
|
|
I salt, |
| 400 |
|
|
U gS, |
| 401 |
|
|
I myTime, myIter, myThid ) |
| 402 |
|
|
ELSE |
| 403 |
|
|
CALL DWNSLP_APPLY( |
| 404 |
|
|
I GAD_SALINITY, bi, bj, kLowC, |
| 405 |
|
|
I recip_drF, recip_hFacC, recip_rA, |
| 406 |
|
|
I dTtracerLev, |
| 407 |
|
|
I salt, |
| 408 |
|
|
U gS, |
| 409 |
|
|
I myTime, myIter, myThid ) |
| 410 |
|
|
ENDIF |
| 411 |
|
|
ENDIF |
| 412 |
|
|
#endif /* ALLOW_DOWN_SLOPE */ |
| 413 |
|
|
|
| 414 |
|
|
iMin = 0 |
| 415 |
|
|
iMax = sNx+1 |
| 416 |
|
|
jMin = 0 |
| 417 |
|
|
jMax = sNy+1 |
| 418 |
|
|
|
| 419 |
|
|
C-- Implicit vertical advection & diffusion |
| 420 |
|
|
|
| 421 |
|
|
#ifdef INCLUDE_IMPLVERTADV_CODE |
| 422 |
|
|
IF ( saltImplVertAdv ) THEN |
| 423 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 424 |
|
|
CADJ STORE kappaRk(:,:,:) = comlev1_bibj , key=itdkey, byte=isbyte |
| 425 |
|
|
CADJ STORE gS(:,:,:,bi,bj) = comlev1_bibj , key=itdkey, byte=isbyte |
| 426 |
|
|
CADJ STORE wFld(:,:,:) = comlev1_bibj , key=itdkey, byte=isbyte |
| 427 |
|
|
CADJ STORE salt(:,:,:,bi,bj) = comlev1_bibj , key=itdkey, byte=isbyte |
| 428 |
|
|
CADJ STORE recip_hFac(:,:,:) = comlev1_bibj , key=itdkey, byte=isbyte |
| 429 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 430 |
|
|
CALL GAD_IMPLICIT_R( |
| 431 |
|
|
I saltImplVertAdv, saltVertAdvScheme, GAD_SALINITY, |
| 432 |
|
|
I dTtracerLev, |
| 433 |
|
|
I kappaRk, recip_hFac, wFld, salt, |
| 434 |
|
|
U gS, |
| 435 |
|
|
I bi, bj, myTime, myIter, myThid ) |
| 436 |
|
|
ELSEIF ( implicitDiffusion ) THEN |
| 437 |
|
|
#else /* INCLUDE_IMPLVERTADV_CODE */ |
| 438 |
|
|
IF ( implicitDiffusion ) THEN |
| 439 |
|
|
#endif /* INCLUDE_IMPLVERTADV_CODE */ |
| 440 |
|
|
#ifdef ALLOW_AUTODIFF_TAMC |
| 441 |
|
|
CADJ STORE kappaRk(:,:,:) = comlev1_bibj , key=itdkey, byte=isbyte |
| 442 |
|
|
CADJ STORE gS(:,:,:,bi,bj) = comlev1_bibj , key=itdkey, byte=isbyte |
| 443 |
|
|
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 444 |
|
|
CALL IMPLDIFF( |
| 445 |
|
|
I bi, bj, iMin, iMax, jMin, jMax, |
| 446 |
|
|
I GAD_SALINITY, kappaRk, recip_hFac, |
| 447 |
|
|
U gS, |
| 448 |
|
|
I myThid ) |
| 449 |
|
|
ENDIF |
| 450 |
|
|
|
| 451 |
|
|
#endif /* ALLOW_GENERIC_ADVDIFF */ |
| 452 |
|
|
|
| 453 |
|
|
RETURN |
| 454 |
|
|
END |
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