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#include "CPP_OPTIONS.h" |
#include "CPP_OPTIONS.h" |
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#define COSINEMETH_III |
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#undef ISOTROPIC_COS_SCALING |
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CStartOfInterFace |
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SUBROUTINE CALC_GS( |
SUBROUTINE CALC_GS( |
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I bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown, |
I bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown, |
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I xA,yA,uTrans,vTrans,rTrans,maskUp, |
I xA,yA,uTrans,vTrans,rTrans,maskUp, |
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#include "DYNVARS.h" |
#include "DYNVARS.h" |
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#include "EEPARAMS.h" |
#include "EEPARAMS.h" |
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#include "PARAMS.h" |
#include "PARAMS.h" |
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#include "GRID.h" |
#include "GAD.h" |
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#include "FFIELDS.h" |
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C == Routine arguments == |
C == Routine arguments == |
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C fVerS - Flux of salt (S) in the vertical |
C fVerS - Flux of salt (S) in the vertical |
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INTEGER bi,bj,iMin,iMax,jMin,jMax |
INTEGER bi,bj,iMin,iMax,jMin,jMax |
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_RL myCurrentTime |
_RL myCurrentTime |
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INTEGER myThid |
INTEGER myThid |
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CEndOfInterface |
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C == Local variables == |
C == Local variables == |
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C I, J, K - Loop counters |
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INTEGER i,j |
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LOGICAL TOP_LAYER |
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_RL afFacS, dfFacS |
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_RL df4 (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 af (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL df (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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#ifdef ALLOW_AUTODIFF_TAMC |
#ifdef ALLOW_AUTODIFF_TAMC |
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C-- only the kUp part of fverS is set in this subroutine |
C-- only the kUp part of fverS is set in this subroutine |
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C-- the kDown is still required |
C-- the kDown is still required |
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fVerS(1,1,kDown) = fVerS(1,1,kDown) |
fVerS(1,1,kDown) = fVerS(1,1,kDown) |
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#endif |
#endif |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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fZon(i,j) = 0.0 |
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fMer(i,j) = 0.0 |
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fVerS(i,j,kUp) = 0.0 |
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ENDDO |
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ENDDO |
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afFacS = 1. _d 0 |
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dfFacS = 1. _d 0 |
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TOP_LAYER = K .EQ. 1 |
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C--- Calculate advective and diffusive fluxes between cells. |
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C o Zonal tracer gradient |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx+1,sNx+Olx |
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fZon(i,j) = _recip_dxC(i,j,bi,bj)*xA(i,j) |
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& *(salt(i,j,k,bi,bj)-salt(i-1,j,k,bi,bj)) |
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#ifdef COSINEMETH_III |
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& *sqCosFacU(j,bi,bj) |
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#endif |
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ENDDO |
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ENDDO |
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C o Meridional tracer gradient |
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DO j=1-Oly+1,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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fMer(i,j) = _recip_dyC(i,j,bi,bj)*yA(i,j) |
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& *(salt(i,j,k,bi,bj)-salt(i,j-1,k,bi,bj)) |
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#ifdef ISOTROPIC_COS_SCALING |
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#ifdef COSINEMETH_III |
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& *sqCosFacV(j,bi,bj) |
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#endif |
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#endif |
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ENDDO |
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ENDDO |
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C-- del^2 of S, needed for bi-harmonic (del^4) term |
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IF (diffK4S .NE. 0.) THEN |
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DO j=1-Oly+1,sNy+Oly-1 |
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DO i=1-Olx+1,sNx+Olx-1 |
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df4(i,j)= _recip_hFacC(i,j,k,bi,bj) |
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& *recip_drF(k)/_rA(i,j,bi,bj) |
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& *( |
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& +( fZon(i+1,j)-fZon(i,j) ) |
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& +( fMer(i,j+1)-fMer(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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C-- Zonal flux (fZon is at west face of "salt" cell) |
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C Advective component of zonal flux |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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af(i,j) = |
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& uTrans(i,j)*(salt(i,j,k,bi,bj)+salt(i-1,j,k,bi,bj))*0.5 _d 0 |
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ENDDO |
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ENDDO |
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C o Diffusive component of zonal flux |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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df(i,j) = -diffKhS*xA(i,j)*_recip_dxC(i,j,bi,bj)* |
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& (salt(i,j,k,bi,bj)-salt(i-1,j,k,bi,bj)) |
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& *CosFacU(j,bi,bj) |
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ENDDO |
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ENDDO |
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#ifdef ALLOW_GMREDI |
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IF (useGMRedi) CALL GMREDI_XTRANSPORT( |
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I iMin,iMax,jMin,jMax,bi,bj,K, |
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I xA,salt, |
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U df, |
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I myThid) |
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#endif |
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C o Add the bi-harmonic contribution |
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IF (diffK4S .NE. 0.) THEN |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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df(i,j) = df(i,j) + xA(i,j)* |
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& diffK4S*(df4(i,j)-df4(i-1,j))*_recip_dxC(i,j,bi,bj) |
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#ifdef COSINEMETH_III |
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& *sqCosFacU(j,bi,bj) |
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#else |
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& *CosFacU(j,bi,bj) |
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#endif |
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ENDDO |
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ENDDO |
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ENDIF |
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C Net zonal flux |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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fZon(i,j) = afFacS*af(i,j) + dfFacS*df(i,j) |
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ENDDO |
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ENDDO |
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C-- Meridional flux (fMer is at south face of "salt" cell) |
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C Advective component of meridional flux |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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C Advective component of meridional flux |
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af(i,j) = |
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& vTrans(i,j)*(salt(i,j,k,bi,bj)+salt(i,j-1,k,bi,bj))*0.5 _d 0 |
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ENDDO |
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ENDDO |
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C Diffusive component of meridional flux |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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df(i,j) = -diffKhS*yA(i,j)*_recip_dyC(i,j,bi,bj)* |
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& (salt(i,j,k,bi,bj)-salt(i,j-1,k,bi,bj)) |
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& *CosFacV(j,bi,bj) |
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ENDDO |
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ENDDO |
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#ifdef ALLOW_GMREDI |
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IF (useGMRedi) CALL GMREDI_YTRANSPORT( |
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I iMin,iMax,jMin,jMax,bi,bj,K, |
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I yA,salt, |
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U df, |
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I myThid) |
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#endif |
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C o Add the bi-harmonic contribution |
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IF (diffK4S .NE. 0.) THEN |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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df(i,j) = df(i,j) + yA(i,j)* |
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& diffK4S*(df4(i,j)-df4(i,j-1))*_recip_dyC(i,j,bi,bj) |
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#ifdef ISOTROPIC_COS_SCALING |
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#ifdef COSINEMETH_III |
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& *sqCosFacV(j,bi,bj) |
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#else |
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& *CosFacV(j,bi,bj) |
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#endif |
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#endif |
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ENDDO |
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ENDDO |
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ENDIF |
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C Net meridional flux |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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fMer(i,j) = afFacS*af(i,j) + dfFacS*df(i,j) |
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ENDDO |
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ENDDO |
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C-- Vertical flux ( fVerS(,,kUp) is at upper face of "Tracer" cell ) |
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C o Advective component of vertical flux : assume W_bottom=0 (mask) |
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C Note: For K=1 then KM1=1 this gives a barZ(S) = S |
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C (this plays the role of the free-surface correction) |
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IF ( rigidLid .AND. TOP_LAYER) THEN |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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af(i,j) = 0. |
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ENDDO |
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ENDDO |
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ELSEIF ( rigidLid ) THEN |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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af(i,j) = rTrans(i,j)* |
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& (salt(i,j,k,bi,bj)+salt(i,j,kM1,bi,bj))*0.5 _d 0 |
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ENDDO |
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ENDDO |
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ELSE |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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af(i,j) = rTrans(i,j)*( |
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& maskC(i,j,kM1,bi,bj)* |
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& (salt(i,j,k,bi,bj)+salt(i,j,kM1,bi,bj))*0.5 _d 0 |
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& +(maskC(i,j,k,bi,bj)-maskC(i,j,kM1,bi,bj))* |
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& salt(i,j,k,bi,bj) ) |
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ENDDO |
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ENDDO |
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ENDIF |
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C o Diffusive component of vertical flux |
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C Note: For K=1 then KM1=1 and this gives a dS/dr = 0 upper |
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C boundary condition. |
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IF (implicitDiffusion) THEN |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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df(i,j) = 0. |
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ENDDO |
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ENDDO |
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ELSE |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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df(i,j) = - _rA(i,j,bi,bj)*( |
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& KappaRS(i,j,k)*recip_drC(k) |
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& *(salt(i,j,kM1,bi,bj)-salt(i,j,k,bi,bj))*rkFac |
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& ) |
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ENDDO |
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ENDDO |
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ENDIF |
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#ifdef ALLOW_GMREDI |
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IF (useGMRedi) CALL GMREDI_RTRANSPORT( |
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I iMin,iMax,jMin,jMax,bi,bj,K, |
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I maskUp,salt, |
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U df, |
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I myThid) |
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#endif |
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#ifdef ALLOW_KPP |
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C-- Add non-local KPP transport term (ghat) to diffusive salt flux. |
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IF (useKPP) CALL KPP_TRANSPORT_S( |
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I iMin,iMax,jMin,jMax,bi,bj,k,km1, |
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I KappaRS, |
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U df ) |
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#endif |
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C Net vertical flux |
CALL GAD_CALC_RHS( |
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DO j=jMin,jMax |
I bi,bj,iMin,iMax,jMin,jMax,k,kM1,kUp,kDown, |
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DO i=iMin,iMax |
I xA,yA,uTrans,vTrans,rTrans,maskUp, |
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fVerS(i,j,kUp) = afFacS*af(i,j) + dfFacS*df(i,j)*maskUp(i,j) |
I diffKhS, diffK4S, KappaRS, Salt, |
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ENDDO |
I GAD_SALINITY, saltAdvScheme, |
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ENDDO |
U fVerS, gS, |
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I myThid ) |
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C-- Tendency is minus divergence of the fluxes. |
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C Note. Tendency terms will only be correct for range |
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C i=iMin+1:iMax-1, j=jMin+1:jMax-1. Edge points |
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C will contain valid floating point numbers but |
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C they are not algorithmically correct. These points |
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C are not used. |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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gS(i,j,k,bi,bj)= |
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& -_recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
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& *recip_rA(i,j,bi,bj) |
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& *( |
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& +( fZon(i+1,j)-fZon(i,j) ) |
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& +( fMer(i,j+1)-fMer(i,j) ) |
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& +( fVerS(i,j,kUp)-fVerS(i,j,kDown) )*rkFac |
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& ) |
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ENDDO |
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ENDDO |
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C-- External forcing term(s) |
C-- External forcing term(s) |
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CALL EXTERNAL_FORCING_S( |
CALL EXTERNAL_FORCING_S( |