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C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_advdiff.F,v 1.50 2011/06/07 03:58:23 gforget Exp $ |
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C $Name: $ |
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|
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#include "SEAICE_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: SEAICE_ADVDIFF |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE SEAICE_ADVDIFF( |
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I myTime, myIter, myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *===========================================================* |
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C | SUBROUTINE SEAICE_ADVDIFF |
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C | o driver for different advection routines |
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C | calls an adaption of gad_advection to call different |
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C | advection routines of pkg/generic_advdiff |
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C *===========================================================* |
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C \ev |
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|
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C !USES: =============================================================== |
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IMPLICIT NONE |
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|
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C === Global variables === |
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C UICE/VICE :: ice velocity |
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C HEFF :: scalar field to be advected |
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C HEFFM :: mask for scalar field |
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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 "GAD.h" |
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#include "SEAICE_SIZE.h" |
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#include "SEAICE_PARAMS.h" |
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#include "SEAICE.h" |
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#include "SEAICE_TRACER.h" |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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#endif |
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|
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C !INPUT PARAMETERS: =================================================== |
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C === Routine arguments === |
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C myTime :: current time |
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C myIter :: iteration number |
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C myThid :: Thread no. that called this routine. |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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CEndOfInterface |
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|
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C !LOCAL VARIABLES: ==================================================== |
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C === Local variables === |
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C i,j,bi,bj :: Loop counters |
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C ks :: surface level index |
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C uc/vc :: current ice velocity on C-grid |
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C uTrans :: volume transport, x direction |
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C vTrans :: volume transport, y direction |
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C iceFld :: copy of seaice field |
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C afx :: horizontal advective flux, x direction |
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C afy :: horizontal advective flux, y direction |
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C gFld :: tendency of seaice field |
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C xA,yA :: "areas" of X and Y face of tracer cells |
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INTEGER i, j, bi, bj |
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INTEGER ks |
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LOGICAL SEAICEmultiDimAdvection |
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#ifdef ALLOW_SITRACER |
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INTEGER iTr, SEAICEadvSchSItr, SEAICEdiffKhSItr |
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_RL SItrExt (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL tmpscal1, tmpscal2 |
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#ifdef ALLOW_SITRACER_ADVCAP |
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_RL SItrPrev (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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#endif |
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#ifdef ALLOW_SITRACER_DIAG |
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_RL DIAGarray (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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#endif |
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#ifdef SEAICE_AGE |
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INTEGER iTracer |
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#endif |
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|
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_RL uc (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL vc (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL fldNm1 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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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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c _RL iceFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL afx (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL afy (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL gFld (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RS xA (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL recip_heff(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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CEOP |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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|
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ks = 1 |
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|
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C-- make a local copy of the velocities for compatibility with B-grid |
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C-- alternatively interpolate to C-points if necessary |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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#ifdef SEAICE_CGRID |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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uc(i,j,bi,bj)=UICE(i,j,bi,bj) |
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vc(i,j,bi,bj)=VICE(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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#else /* not SEAICE_CGRID = BGRID */ |
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C average seaice velocity to C-grid |
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DO j=1-Oly,sNy+Oly-1 |
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DO i=1-Olx,sNx+Olx-1 |
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uc(i,j,bi,bj)=.5 _d 0*(UICE(i,j,bi,bj)+UICE(i,j+1,bi,bj)) |
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vc(i,j,bi,bj)=.5 _d 0*(VICE(i,j,bi,bj)+VICE(i+1,j,bi,bj)) |
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ENDDO |
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ENDDO |
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#endif /* SEAICE_CGRID */ |
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C- compute cell areas used by all tracers |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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xA(i,j,bi,bj) = _dyG(i,j,bi,bj)*_maskW(i,j,ks,bi,bj) |
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yA(i,j,bi,bj) = _dxG(i,j,bi,bj)*_maskS(i,j,ks,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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#ifndef SEAICE_CGRID |
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C Do we need this? I am afraid so. |
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CALL EXCH_UV_XY_RL(uc,vc,.TRUE.,myThid) |
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#endif /* not SEAICE_CGRID */ |
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|
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SEAICEmultidimadvection = .TRUE. |
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IF ( SEAICEadvScheme.EQ.ENUM_CENTERED_2ND |
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& .OR.SEAICEadvScheme.EQ.ENUM_UPWIND_3RD |
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& .OR.SEAICEadvScheme.EQ.ENUM_CENTERED_4TH ) THEN |
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SEAICEmultiDimAdvection = .FALSE. |
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ENDIF |
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|
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE area = comlev1, key = ikey_dynamics, kind=isbyte |
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CADJ STORE heff = comlev1, key = ikey_dynamics, kind=isbyte |
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CADJ STORE heffm = comlev1, key = ikey_dynamics, kind=isbyte |
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CADJ STORE hsnow = comlev1, key = ikey_dynamics, kind=isbyte |
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# ifdef SEAICE_VARIABLE_SALINITY |
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CADJ STORE hsalt = comlev1, key = ikey_dynamics, kind=isbyte |
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# endif |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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IF ( SEAICEmultiDimAdvection ) THEN |
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C This has to be done to comply with the time stepping in advect.F: |
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C Making sure that the following routines see the different |
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C time levels correctly |
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C At the end of the routine ADVECT, |
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C timelevel 1 is updated with advection contribution |
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C and diffusion contribution |
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C (which was computed in DIFFUS on timelevel 3) |
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C timelevel 2 is the previous timelevel 1 |
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C timelevel 3 is the total diffusion tendency * deltaT |
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C (empty if no diffusion) |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE uc = comlev1, key = ikey_dynamics, kind=isbyte |
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CADJ STORE vc = comlev1, key = ikey_dynamics, kind=isbyte |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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C--- loops on tile indices bi,bj |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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C Initialise for TAF |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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c iceFld(i,j) = 0. _d 0 |
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gFld(i,j) = 0. _d 0 |
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ENDDO |
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ENDDO |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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|
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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HEFFNM1(i,j,bi,bj) = HEFF(i,j,bi,bj) |
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AREANM1(i,j,bi,bj) = AREA(i,j,bi,bj) |
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recip_heff(i,j) = 1. _d 0 |
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ENDDO |
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ENDDO |
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|
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C- Calculate "volume transports" through tracer cell faces. |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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uTrans(i,j) = uc(i,j,bi,bj)*xA(i,j,bi,bj) |
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vTrans(i,j) = vc(i,j,bi,bj)*yA(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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|
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C-- Effective Thickness (Volume) |
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IF ( SEAICEadvHeff ) THEN |
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CALL SEAICE_ADVECTION( |
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I GAD_HEFF, SEAICEadvSchHeff, |
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I uc(1-OLx,1-OLy,bi,bj), vc(1-OLx,1-OLy,bi,bj), |
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I uTrans, vTrans, HEFF(1-OLx,1-OLy,bi,bj), recip_heff, |
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O gFld, afx, afy, |
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I bi, bj, myTime, myIter, myThid ) |
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IF ( SEAICEdiffKhHeff .GT. 0. _d 0 ) THEN |
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C- Add tendency due to diffusion |
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CALL SEAICE_DIFFUSION( |
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I GAD_HEFF, SEAICEdiffKhHeff, ONE, |
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I HEFF(1-OLx,1-OLy,bi,bj), HEFFM, |
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I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
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U gFld, |
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I bi, bj, myTime, myIter, myThid ) |
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ENDIF |
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C now do the "explicit" time step |
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DO j=1,sNy |
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DO i=1,sNx |
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HEFF(i,j,bi,bj) = HEFFM(i,j,bi,bj) * ( |
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& HEFF(i,j,bi,bj) + SEAICE_deltaTtherm * gFld(i,j) |
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& ) |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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C-- Fractional area |
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IF ( SEAICEadvArea ) THEN |
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CALL SEAICE_ADVECTION( |
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I GAD_AREA, SEAICEadvSchArea, |
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I uc(1-OLx,1-OLy,bi,bj), vc(1-OLx,1-OLy,bi,bj), |
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I uTrans, vTrans, AREA(1-OLx,1-OLy,bi,bj), recip_heff, |
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O gFld, afx, afy, |
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I bi, bj, myTime, myIter, myThid ) |
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IF ( SEAICEdiffKhArea .GT. 0. _d 0 ) THEN |
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C- Add tendency due to diffusion |
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CALL SEAICE_DIFFUSION( |
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I GAD_AREA, SEAICEdiffKhArea, ONE, |
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I AREA(1-OLx,1-OLy,bi,bj), HEFFM, |
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I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
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U gFld, |
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I bi, bj, myTime, myIter, myThid ) |
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ENDIF |
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C now do the "explicit" time step |
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DO j=1,sNy |
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DO i=1,sNx |
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AREA(i,j,bi,bj) = HEFFM(i,j,bi,bj) * ( |
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& AREA(i,j,bi,bj) + SEAICE_deltaTtherm * gFld(i,j) |
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& ) |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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C-- Effective Snow Thickness (Volume) |
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IF ( SEAICEadvSnow ) THEN |
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CALL SEAICE_ADVECTION( |
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I GAD_SNOW, SEAICEadvSchSnow, |
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I uc(1-OLx,1-OLy,bi,bj), vc(1-OLx,1-OLy,bi,bj), |
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I uTrans, vTrans, HSNOW(1-OLx,1-OLy,bi,bj), recip_heff, |
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O gFld, afx, afy, |
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I bi, bj, myTime, myIter, myThid ) |
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IF ( SEAICEdiffKhSnow .GT. 0. _d 0 ) THEN |
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C-- Add tendency due to diffusion |
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CALL SEAICE_DIFFUSION( |
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I GAD_SNOW, SEAICEdiffKhSnow, ONE, |
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I HSNOW(1-OLx,1-OLy,bi,bj), HEFFM, |
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I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
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U gFld, |
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I bi, bj, myTime, myIter, myThid ) |
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ENDIF |
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C now do the "explicit" time step |
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DO j=1,sNy |
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DO i=1,sNx |
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HSNOW(i,j,bi,bj) = HEFFM(i,j,bi,bj) * ( |
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& HSNOW(i,j,bi,bj) + SEAICE_deltaTtherm * gFld(i,j) |
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& ) |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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#ifdef SEAICE_VARIABLE_SALINITY |
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C-- Effective Sea Ice Salinity (Mass of salt) |
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IF ( SEAICEadvSalt ) THEN |
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CALL SEAICE_ADVECTION( |
| 285 |
I GAD_SALT, SEAICEadvSchSalt, |
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I uc(1-OLx,1-OLy,bi,bj), vc(1-OLx,1-OLy,bi,bj), |
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I uTrans, vTrans, HSALT(1-OLx,1-OLy,bi,bj), recip_heff, |
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O gFld, afx, afy, |
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I bi, bj, myTime, myIter, myThid ) |
| 290 |
IF ( SEAICEdiffKhSalt .GT. 0. _d 0 ) THEN |
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C-- Add tendency due to diffusion |
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CALL SEAICE_DIFFUSION( |
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I GAD_SALT, SEAICEdiffKhSalt, ONE, |
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I HSALT(1-OLx,1-OLy,bi,bj), HEFFM, |
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I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
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U gFld, |
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I bi, bj, myTime, myIter, myThid ) |
| 298 |
ENDIF |
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C now do the "explicit" time step |
| 300 |
DO j=1,sNy |
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DO i=1,sNx |
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HSALT(i,j,bi,bj) = HEFFM(i,j,bi,bj) * ( |
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& HSALT(i,j,bi,bj) + SEAICE_deltaTtherm * gFld(i,j) |
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& ) |
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ENDDO |
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ENDDO |
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ENDIF |
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#endif /* SEAICE_VARIABLE_SALINITY */ |
| 309 |
|
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#ifdef ALLOW_SITRACER |
| 311 |
C-- Sea Ice Tracers |
| 312 |
DO iTr = 1, SItrMaxNum |
| 313 |
IF ( (SEAICEadvHEFF.AND.(SItrMate(iTr).EQ.'HEFF')).OR. |
| 314 |
& (SEAICEadvAREA.AND.(SItrMate(iTr).EQ.'AREA')) ) THEN |
| 315 |
C-- scale to effective value |
| 316 |
IF (SItrMate(iTr).EQ.'HEFF') THEN |
| 317 |
SEAICEadvSchSItr=SEAICEadvSchHEFF |
| 318 |
SEAICEdiffKhSItr=SEAICEdiffKhHEFF |
| 319 |
DO j=1-Oly,sNy+Oly |
| 320 |
DO i=1-Olx,sNx+Olx |
| 321 |
SItrExt(i,j,bi,bj) = HEFFM(i,j,bi,bj) * |
| 322 |
& SItracer(i,j,bi,bj,iTr) * HEFFNM1(i,j,bi,bj) |
| 323 |
ENDDO |
| 324 |
ENDDO |
| 325 |
c TAF? ELSEIF (SItrMate(iTr).EQ.'AREA') THEN |
| 326 |
ELSE |
| 327 |
SEAICEadvSchSItr=SEAICEadvSchAREA |
| 328 |
SEAICEdiffKhSItr=SEAICEdiffKhAREA |
| 329 |
DO j=1-Oly,sNy+Oly |
| 330 |
DO i=1-Olx,sNx+Olx |
| 331 |
SItrExt(i,j,bi,bj) = HEFFM(i,j,bi,bj) * |
| 332 |
& SItracer(i,j,bi,bj,iTr) * AREANM1(i,j,bi,bj) |
| 333 |
ENDDO |
| 334 |
ENDDO |
| 335 |
ENDIF |
| 336 |
C-- store a couple things |
| 337 |
DO j=1-Oly,sNy+Oly |
| 338 |
DO i=1-Olx,sNx+Olx |
| 339 |
#ifdef ALLOW_SITRACER_ADVCAP |
| 340 |
C-- store previous value for spurious maxima treament |
| 341 |
SItrPrev(i,j,bi,bj)=SItracer(i,j,bi,bj,iTr) |
| 342 |
#endif |
| 343 |
#ifdef ALLOW_SITRACER_DIAG |
| 344 |
diagArray(I,J,2+(iTr-1)*5) = SItrExt(i,j,bi,bj) |
| 345 |
#endif |
| 346 |
ENDDO |
| 347 |
ENDDO |
| 348 |
C-- compute advective tendency |
| 349 |
CALL SEAICE_ADVECTION( |
| 350 |
I GAD_SITR+iTr-1, SEAICEadvSchSItr, |
| 351 |
I uc(1-OLx,1-OLy,bi,bj), vc(1-OLx,1-OLy,bi,bj), |
| 352 |
I uTrans, vTrans, SItrExt(1-OLx,1-OLy,bi,bj), |
| 353 |
I recip_heff, |
| 354 |
O gFld, afx, afy, |
| 355 |
I bi, bj, myTime, myIter, myThid ) |
| 356 |
IF ( SEAICEdiffKhHeff .GT. 0. _d 0 ) THEN |
| 357 |
C-- add diffusive tendency |
| 358 |
CALL SEAICE_DIFFUSION( |
| 359 |
I GAD_SITR+iTr-1, SEAICEdiffKhSItr, ONE, |
| 360 |
I SItrExt(1-OLx,1-OLy,bi,bj), HEFFM, |
| 361 |
I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
| 362 |
U gFld, |
| 363 |
I bi, bj, myTime, myIter, myThid ) |
| 364 |
ENDIF |
| 365 |
C-- apply tendency |
| 366 |
DO j=1,sNy |
| 367 |
DO i=1,sNx |
| 368 |
SItrExt(i,j,bi,bj) = HEFFM(i,j,bi,bj) * ( |
| 369 |
& SItrExt(i,j,bi,bj) + SEAICE_deltaTtherm * gFld(i,j) ) |
| 370 |
ENDDO |
| 371 |
ENDDO |
| 372 |
C-- scale back to actual value, or move effective value to ocean bucket |
| 373 |
IF (SItrMate(iTr).EQ.'HEFF') THEN |
| 374 |
DO j=1,sNy |
| 375 |
DO i=1,sNx |
| 376 |
if (HEFF(I,J,bi,bj).GE.siEps) then |
| 377 |
SItracer(i,j,bi,bj,iTr)=SItrExt(i,j,bi,bj)/HEFF(I,J,bi,bj) |
| 378 |
SItrBucket(i,j,bi,bj,iTr)=0. _d 0 |
| 379 |
else |
| 380 |
SItracer(i,j,bi,bj,iTr)=0. _d 0 |
| 381 |
SItrBucket(i,j,bi,bj,iTr)=SItrExt(i,j,bi,bj) |
| 382 |
endif |
| 383 |
#ifdef ALLOW_SITRACER_ADVCAP |
| 384 |
c hack to try avoid 'spontaneous generation' of maxima, which supposedly would |
| 385 |
c occur less frequently if we advected SItr with uXheff instead SItrXheff with u |
| 386 |
tmpscal1=max(SItrPrev(i,j,bi,bj), |
| 387 |
& SItrPrev(i+1,j,bi,bj),SItrPrev(i-1,j,bi,bj), |
| 388 |
& SItrPrev(i,j+1,bi,bj),SItrPrev(i,j-1,bi,bj)) |
| 389 |
tmpscal2=MAX(ZERO,SItracer(i,j,bi,bj,iTr)-tmpscal1) |
| 390 |
SItracer(i,j,bi,bj,iTr)=SItracer(i,j,bi,bj,iTr)-tmpscal2 |
| 391 |
SItrBucket(i,j,bi,bj,iTr)=SItrBucket(i,j,bi,bj,iTr) |
| 392 |
& +tmpscal2*HEFF(I,J,bi,bj) |
| 393 |
#endif |
| 394 |
c treat case of potential negative value |
| 395 |
if (HEFF(I,J,bi,bj).GE.siEps) then |
| 396 |
tmpscal1=MIN(0. _d 0,SItracer(i,j,bi,bj,iTr)) |
| 397 |
SItracer(i,j,bi,bj,iTr)=SItracer(i,j,bi,bj,iTr)-tmpscal1 |
| 398 |
SItrBucket(i,j,bi,bj,iTr)=SItrBucket(i,j,bi,bj,iTr) |
| 399 |
& +HEFF(I,J,bi,bj)*tmpscal1 |
| 400 |
endif |
| 401 |
#ifdef ALLOW_SITRACER_DIAG |
| 402 |
diagArray(I,J,1+(iTr-1)*5)= - SItrBucket(i,j,bi,bj,iTr) |
| 403 |
& *HEFFM(I,J,bi,bj)/SEAICE_deltaTtherm*SEAICE_rhoIce |
| 404 |
tmpscal1= ( HEFF(I,J,bi,bj)*SItracer(i,j,bi,bj,iTr) |
| 405 |
& + SItrBucket(i,j,bi,bj,iTr) )*HEFFM(I,J,bi,bj) |
| 406 |
diagArray(I,J,2+(iTr-1)*5)= tmpscal1-diagArray(I,J,2+(iTr-1)*5) |
| 407 |
diagArray(I,J,3+(iTr-1)*5)=HEFFM(i,j,bi,bj) * |
| 408 |
& SEAICE_deltaTtherm * gFld(i,j) |
| 409 |
#endif |
| 410 |
ENDDO |
| 411 |
ENDDO |
| 412 |
c TAF? ELSEIF (SItrMate(iTr).EQ.'AREA') THEN |
| 413 |
ELSE |
| 414 |
DO j=1,sNy |
| 415 |
DO i=1,sNx |
| 416 |
if (AREA(I,J,bi,bj).GE.areaMin) then |
| 417 |
SItracer(i,j,bi,bj,iTr)=SItrExt(i,j,bi,bj)/AREA(I,J,bi,bj) |
| 418 |
else |
| 419 |
SItracer(i,j,bi,bj,iTr)=0. _d 0 |
| 420 |
endif |
| 421 |
SItrBucket(i,j,bi,bj,iTr)=0. _d 0 |
| 422 |
#ifdef ALLOW_SITRACER_ADVCAP |
| 423 |
tmpscal1=max(SItrPrev(i,j,bi,bj), |
| 424 |
& SItrPrev(i+1,j,bi,bj),SItrPrev(i-1,j,bi,bj), |
| 425 |
& SItrPrev(i,j+1,bi,bj),SItrPrev(i,j-1,bi,bj)) |
| 426 |
tmpscal2=MAX(ZERO,SItracer(i,j,bi,bj,iTr)-tmpscal1) |
| 427 |
SItracer(i,j,bi,bj,iTr)=SItracer(i,j,bi,bj,iTr)-tmpscal2 |
| 428 |
#endif |
| 429 |
c treat case of potential negative value |
| 430 |
if (AREA(I,J,bi,bj).GE.areaMin) then |
| 431 |
tmpscal1=MIN(0. _d 0,SItracer(i,j,bi,bj,iTr)) |
| 432 |
SItracer(i,j,bi,bj,iTr)=SItracer(i,j,bi,bj,iTr)-tmpscal1 |
| 433 |
endif |
| 434 |
#ifdef ALLOW_SITRACER_DIAG |
| 435 |
diagArray(I,J,1+(iTr-1)*5)= 0. _d 0 |
| 436 |
diagArray(I,J,2+(iTr-1)*5)= - diagArray(I,J,2+(iTr-1)*5) |
| 437 |
& + AREA(I,J,bi,bj)*SItracer(i,j,bi,bj,iTr)*HEFFM(I,J,bi,bj) |
| 438 |
diagArray(I,J,3+(iTr-1)*5)=HEFFM(i,j,bi,bj) * |
| 439 |
& SEAICE_deltaTtherm * gFld(i,j) |
| 440 |
#endif |
| 441 |
ENDDO |
| 442 |
ENDDO |
| 443 |
ENDIF |
| 444 |
C-- |
| 445 |
ENDIF |
| 446 |
ENDDO |
| 447 |
#ifdef ALLOW_SITRACER_DIAG |
| 448 |
CALL DIAGNOSTICS_FILL(DIAGarray,'UDIAG2 ',0,Nr,2,bi,bj,myThid) |
| 449 |
#endif |
| 450 |
#endif /* ALLOW_SITRACER */ |
| 451 |
|
| 452 |
#ifdef SEAICE_AGE |
| 453 |
C-- Sea Ice Age |
| 454 |
IF ( SEAICEadvAge ) THEN |
| 455 |
DO iTracer = 1, SEAICE_num |
| 456 |
C-- |
| 457 |
CALL SEAICE_ADVECTION( |
| 458 |
I GAD_SITR+SItrMaxNum+iTracer-1, SEAICEadvSchAge, |
| 459 |
I uc(1-OLx,1-OLy,bi,bj), vc(1-OLx,1-OLy,bi,bj), |
| 460 |
I uTrans, vTrans, IceAgeTr(1-OLx,1-OLy,bi,bj,iTracer), |
| 461 |
I recip_heff, |
| 462 |
O gFld, afx, afy, |
| 463 |
I bi, bj, myTime, myIter, myThid ) |
| 464 |
IF ( SEAICEdiffKhAge .GT. 0. _d 0 ) THEN |
| 465 |
C-- Add tendency due to diffusion |
| 466 |
CALL SEAICE_DIFFUSION( |
| 467 |
I GAD_SITR+SItrMaxNum+iTracer-1, SEAICEdiffKhAge, ONE, |
| 468 |
I IceAgeTr(1-OLx,1-OLy,bi,bj,iTracer), HEFFM, |
| 469 |
I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
| 470 |
U gFld, |
| 471 |
I bi, bj, myTime, myIter, myThid ) |
| 472 |
ENDIF |
| 473 |
C now do the "explicit" time step |
| 474 |
DO j=1,sNy |
| 475 |
DO i=1,sNx |
| 476 |
IceAgeTr(i,j,bi,bj,iTracer) = HEFFM(i,j,bi,bj) * ( |
| 477 |
& IceAgeTr(i,j,bi,bj,iTracer) |
| 478 |
& + SEAICE_deltaTtherm * gFld(i,j) |
| 479 |
& ) |
| 480 |
ENDDO |
| 481 |
ENDDO |
| 482 |
C-- |
| 483 |
ENDDO |
| 484 |
ENDIF |
| 485 |
#endif /* SEAICE_AGE */ |
| 486 |
|
| 487 |
C--- end bi,bj loops |
| 488 |
ENDDO |
| 489 |
ENDDO |
| 490 |
|
| 491 |
ELSE |
| 492 |
C-- if not multiDimAdvection |
| 493 |
|
| 494 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 495 |
CADJ STORE uc = comlev1, key = ikey_dynamics, kind=isbyte |
| 496 |
CADJ STORE vc = comlev1, key = ikey_dynamics, kind=isbyte |
| 497 |
#endif /* ALLOW_AUTODIFF_TAMC */ |
| 498 |
|
| 499 |
IF ( SEAICEadvHEff ) THEN |
| 500 |
CALL ADVECT( uc, vc, hEff, hEffNm1, HEFFM, myThid ) |
| 501 |
IF ( SEAICEdiffKhHeff .GT. 0. _d 0 ) THEN |
| 502 |
C- Add tendency due to diffusion |
| 503 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 504 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 505 |
CALL SEAICE_DIFFUSION( |
| 506 |
I GAD_HEFF, SEAICEdiffKhHeff, SEAICE_deltaTtherm, |
| 507 |
I hEffNm1(1-OLx,1-OLy,bi,bj), HEFFM, |
| 508 |
I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
| 509 |
U HEFF(1-OLx,1-OLy,bi,bj), |
| 510 |
I bi, bj, myTime, myIter, myThid ) |
| 511 |
ENDDO |
| 512 |
ENDDO |
| 513 |
ENDIF |
| 514 |
ENDIF |
| 515 |
IF ( SEAICEadvArea ) THEN |
| 516 |
CALL ADVECT( uc, vc, area, areaNm1, HEFFM, myThid ) |
| 517 |
IF ( SEAICEdiffKhArea .GT. 0. _d 0 ) THEN |
| 518 |
C- Add tendency due to diffusion |
| 519 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 520 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 521 |
CALL SEAICE_DIFFUSION( |
| 522 |
I GAD_AREA, SEAICEdiffKhArea, SEAICE_deltaTtherm, |
| 523 |
I AreaNm1(1-OLx,1-OLy,bi,bj), HEFFM, |
| 524 |
I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
| 525 |
U Area(1-OLx,1-OLy,bi,bj), |
| 526 |
I bi, bj, myTime, myIter, myThid ) |
| 527 |
ENDDO |
| 528 |
ENDDO |
| 529 |
ENDIF |
| 530 |
ENDIF |
| 531 |
IF ( SEAICEadvSnow ) THEN |
| 532 |
CALL ADVECT( uc, vc, HSNOW, fldNm1, HEFFM, myThid ) |
| 533 |
IF ( SEAICEdiffKhSnow .GT. 0. _d 0 ) THEN |
| 534 |
C- Add tendency due to diffusion |
| 535 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 536 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 537 |
CALL SEAICE_DIFFUSION( |
| 538 |
I GAD_SNOW, SEAICEdiffKhSnow, SEAICE_deltaTtherm, |
| 539 |
I fldNm1(1-OLx,1-OLy,bi,bj), HEFFM, |
| 540 |
I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
| 541 |
U HSNOW(1-OLx,1-OLy,bi,bj), |
| 542 |
I bi, bj, myTime, myIter, myThid ) |
| 543 |
ENDDO |
| 544 |
ENDDO |
| 545 |
ENDIF |
| 546 |
ENDIF |
| 547 |
|
| 548 |
#ifdef SEAICE_VARIABLE_SALINITY |
| 549 |
IF ( SEAICEadvSalt ) THEN |
| 550 |
CALL ADVECT( uc, vc, HSALT, fldNm1, HEFFM, myThid ) |
| 551 |
IF ( SEAICEdiffKhSalt .GT. 0. _d 0 ) THEN |
| 552 |
C- Add tendency due to diffusion |
| 553 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 554 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 555 |
CALL SEAICE_DIFFUSION( |
| 556 |
I GAD_SALT, SEAICEdiffKhSalt, SEAICE_deltaTtherm, |
| 557 |
I fldNm1(1-OLx,1-OLy,bi,bj), HEFFM, |
| 558 |
I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
| 559 |
U HSALT(1-OLx,1-OLy,bi,bj), |
| 560 |
I bi, bj, myTime, myIter, myThid ) |
| 561 |
ENDDO |
| 562 |
ENDDO |
| 563 |
ENDIF |
| 564 |
ENDIF |
| 565 |
#endif /* SEAICE_VARIABLE_SALINITY */ |
| 566 |
|
| 567 |
#ifdef SEAICE_AGE |
| 568 |
IF ( SEAICEadvAge ) THEN |
| 569 |
DO iTracer = 1, SEAICE_num |
| 570 |
CALL ADVECT( uc, vc, iceAgeTr(1-Olx,1-Oly,1,1,iTracer), |
| 571 |
& fldNm1, HEFFM, myThid ) |
| 572 |
IF ( SEAICEdiffKhAge .GT. 0. _d 0 ) THEN |
| 573 |
C-- Add tendency due to diffusion |
| 574 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 575 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 576 |
CALL SEAICE_DIFFUSION( GAD_SITR+SItrMaxNum+iTracer-1, |
| 577 |
I SEAICEdiffKhAge, SEAICE_deltaTtherm, |
| 578 |
I fldNm1(1-OLx,1-OLy,bi,bj), HEFFM, |
| 579 |
I xA(1-OLx,1-OLy,bi,bj), yA(1-OLx,1-OLy,bi,bj), |
| 580 |
U iceAgeTr(1-Olx,1-Oly,bi,bj,iTracer), |
| 581 |
I bi, bj, myTime, myIter, myThid ) |
| 582 |
ENDDO |
| 583 |
ENDDO |
| 584 |
ENDIF |
| 585 |
ENDDO |
| 586 |
ENDIF |
| 587 |
#endif /* SEAICE_AGE */ |
| 588 |
|
| 589 |
C-- end if multiDimAdvection |
| 590 |
ENDIF |
| 591 |
|
| 592 |
#ifdef ALLOW_AUTODIFF_TAMC |
| 593 |
CADJ STORE AREA = comlev1, key = ikey_dynamics, kind=isbyte |
| 594 |
#endif |
| 595 |
IF ( .NOT. usePW79thermodynamics ) THEN |
| 596 |
C Hiblers "ridging function": Do it now if not in seaice_growth |
| 597 |
C in principle we should add a "real" ridging function here (or |
| 598 |
C somewhere after doing the advection) |
| 599 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 600 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 601 |
DO j=1-Oly,sNy+Oly |
| 602 |
DO i=1-Olx,sNx+Olx |
| 603 |
#ifdef SEAICE_AGE |
| 604 |
C avoid ridging of sea ice age (at this point ridged ice means AREA > 1) |
| 605 |
DO iTracer = 1, SEAICE_num |
| 606 |
IceAgeTr(i,j,bi,bj,iTracer) = IceAgeTr(i,j,bi,bj,iTracer) |
| 607 |
& / MAX(ONE,AREA(i,j,bi,bj)) |
| 608 |
ENDDO |
| 609 |
#endif /* SEAICE_AGE */ |
| 610 |
AREA(I,J,bi,bj) = MIN(ONE,AREA(I,J,bi,bj)) |
| 611 |
ENDDO |
| 612 |
ENDDO |
| 613 |
ENDDO |
| 614 |
ENDDO |
| 615 |
#ifdef SEAICE_AGE |
| 616 |
C Sources and sinks for sea ice age (otherwise added in seaice_growth) |
| 617 |
IF ( .TRUE. ) THEN |
| 618 |
DO iTracer = 1, SEAICE_num |
| 619 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 620 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 621 |
DO j=1,sNy |
| 622 |
DO i=1,sNx |
| 623 |
cph( |
| 624 |
cph-- why is this code still here? |
| 625 |
cph-- probably wrong for thickness-weighted age(?) |
| 626 |
IF ( AREA(i,j,bi,bj) .GT. 0.15 ) THEN |
| 627 |
IceAgeTr(i,j,bi,bj,iTracer) = IceAgeTr(i,j,bi,bj,iTracer) |
| 628 |
& + AREA(i,j,bi,bj) * SEAICE_deltaTtherm |
| 629 |
ELSE |
| 630 |
IceAgeTr(i,j,bi,bj,iTracer) = ZERO |
| 631 |
ENDIF |
| 632 |
cph) |
| 633 |
ENDDO |
| 634 |
ENDDO |
| 635 |
ENDDO |
| 636 |
ENDDO |
| 637 |
ENDDO |
| 638 |
ENDIF |
| 639 |
#endif /* SEAICE_AGE */ |
| 640 |
ENDIF |
| 641 |
|
| 642 |
RETURN |
| 643 |
END |
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