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C $Header$ |
C $Header$ |
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#include "CPP_EEOPTIONS.h" |
#include "CPP_OPTIONS.h" |
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CStartOfInterFace |
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,wTrans,maskup,maskC, |
I xA,yA,uTrans,vTrans,rTrans,maskup,maskC, |
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I K13,K23,KappaZS,KapGM, |
I K13,K23,KappaRS,KapGM, |
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U af,df,fZon,fMer,fVerS, |
U af,df,fZon,fMer,fVerS, |
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I myThid ) |
I myCurrentTime, myThid ) |
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C /==========================================================\ |
C /==========================================================\ |
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C | SUBROUTINE CALC_GS | |
C | SUBROUTINE CALC_GS | |
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C | o Calculate the salt tendency terms. | |
C | o Calculate the salt tendency terms. | |
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#include "PARAMS.h" |
#include "PARAMS.h" |
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#include "GRID.h" |
#include "GRID.h" |
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#include "FFIELDS.h" |
#include "FFIELDS.h" |
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#ifdef ALLOW_KPP |
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#include "KPPMIX.h" |
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#endif |
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C == Routine arguments == |
C == Routine arguments == |
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C fZon - Work array for flux of temperature in the east-west |
C fZon - Work array for flux of temperature in the east-west |
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C yA - Tracer cell face area normal to X |
C yA - Tracer cell face area normal to X |
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C uTrans - Zonal volume transport through cell face |
C uTrans - Zonal volume transport through cell face |
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C vTrans - Meridional volume transport through cell face |
C vTrans - Meridional volume transport through cell face |
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C wTrans - Vertical volume transport through cell face |
C rTrans - Vertical volume transport through cell face |
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C af - Advective flux component work array |
C af - Advective flux component work array |
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C df - Diffusive flux component work array |
C df - Diffusive flux component work array |
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C bi, bj, iMin, iMax, jMin, jMax - Range of points for which calculation |
C bi, bj, iMin, iMax, jMin, jMax - Range of points for which calculation |
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_RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RS yA (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL wTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL rTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS maskUp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RS maskUp(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RS maskC (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RS maskC (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL K13 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) |
_RL K13 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL K23 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) |
_RL K23 (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL KappaZS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nz) |
_RL KappaRS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL KapGM (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL KapGM (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL af (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL af (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL df (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL df (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER k,kUp,kDown,kM1 |
INTEGER k,kUp,kDown,kM1 |
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INTEGER bi,bj,iMin,iMax,jMin,jMax |
INTEGER bi,bj,iMin,iMax,jMin,jMax |
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_RL myCurrentTime |
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INTEGER myThid |
INTEGER myThid |
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CEndOfInterface |
CEndOfInterface |
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C Zonal tracer gradient |
C Zonal tracer gradient |
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DO j=jMin,jMax |
DO j=jMin,jMax |
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DO i=iMin,iMax |
DO i=iMin,iMax |
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dSdx(i,j) = _rdxC(i,j,bi,bj)* |
dSdx(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)) |
& (salt(i,j,k,bi,bj)-salt(i-1,j,k,bi,bj)) |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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C Zonal tracer gradient |
C Zonal tracer gradient |
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DO j=jMin,jMax |
DO j=jMin,jMax |
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DO i=iMin,iMax |
DO i=iMin,iMax |
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dSdy(i,j) = _rdyC(i,j,bi,bj)* |
dSdy(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)) |
& (salt(i,j,k,bi,bj)-salt(i,j-1,k,bi,bj)) |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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DO j=jMin,jMax |
DO j=jMin,jMax |
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DO i=iMin,iMax |
DO i=iMin,iMax |
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dSdx(i,j) = 0.5*( |
dSdx(i,j) = 0.5*( |
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& +0.5*(_maskW(i+1,j,k,bi,bj)*_rdxC(i+1,j,bi,bj)* |
& +0.5*(_maskW(i+1,j,k,bi,bj) |
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& *_recip_dxC(i+1,j,bi,bj)* |
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& (salt(i+1,j,k,bi,bj)-salt(i,j,k,bi,bj)) |
& (salt(i+1,j,k,bi,bj)-salt(i,j,k,bi,bj)) |
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& +_maskW(i,j,k,bi,bj)*_rdxC(i,j,bi,bj)* |
& +_maskW(i,j,k,bi,bj) |
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& *_recip_dxC(i,j,bi,bj)* |
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& (salt(i,j,k,bi,bj)-salt(i-1,j,k,bi,bj))) |
& (salt(i,j,k,bi,bj)-salt(i-1,j,k,bi,bj))) |
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& +0.5*(_maskW(i+1,j,km1,bi,bj)*_rdxC(i+1,j,bi,bj)* |
& +0.5*(_maskW(i+1,j,km1,bi,bj) |
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& *_recip_dxC(i+1,j,bi,bj)* |
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& (salt(i+1,j,km1,bi,bj)-salt(i,j,km1,bi,bj)) |
& (salt(i+1,j,km1,bi,bj)-salt(i,j,km1,bi,bj)) |
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& +_maskW(i,j,km1,bi,bj)*_rdxC(i,j,bi,bj)* |
& +_maskW(i,j,km1,bi,bj) |
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& *_recip_dxC(i,j,bi,bj)* |
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& (salt(i,j,km1,bi,bj)-salt(i-1,j,km1,bi,bj))) |
& (salt(i,j,km1,bi,bj)-salt(i-1,j,km1,bi,bj))) |
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& ) |
& ) |
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ENDDO |
ENDDO |
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DO j=jMin,jMax |
DO j=jMin,jMax |
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DO i=iMin,iMax |
DO i=iMin,iMax |
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dSdy(i,j) = 0.5*( |
dSdy(i,j) = 0.5*( |
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& +0.5*(_maskS(i,j,k,bi,bj)*_rdyC(i,j,bi,bj)* |
& +0.5*(_maskS(i,j,k,bi,bj) |
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& *_recip_dyC(i,j,bi,bj)* |
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& (salt(i,j,k,bi,bj)-salt(i,j-1,k,bi,bj)) |
& (salt(i,j,k,bi,bj)-salt(i,j-1,k,bi,bj)) |
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& +_maskS(i,j+1,k,bi,bj)*_rdyC(i,j+1,bi,bj)* |
& +_maskS(i,j+1,k,bi,bj) |
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& *_recip_dyC(i,j+1,bi,bj)* |
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& (salt(i,j+1,k,bi,bj)-salt(i,j,k,bi,bj))) |
& (salt(i,j+1,k,bi,bj)-salt(i,j,k,bi,bj))) |
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& +0.5*(_maskS(i,j,km1,bi,bj)*_rdyC(i,j,bi,bj)* |
& +0.5*(_maskS(i,j,km1,bi,bj) |
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& *_recip_dyC(i,j,bi,bj)* |
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& (salt(i,j,km1,bi,bj)-salt(i,j-1,km1,bi,bj)) |
& (salt(i,j,km1,bi,bj)-salt(i,j-1,km1,bi,bj)) |
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& +_maskS(i,j+1,km1,bi,bj)*_rdyC(i,j+1,bi,bj)* |
& +_maskS(i,j+1,km1,bi,bj) |
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& *_recip_dyC(i,j+1,bi,bj)* |
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& (salt(i,j+1,km1,bi,bj)-salt(i,j,km1,bi,bj))) |
& (salt(i,j+1,km1,bi,bj)-salt(i,j,km1,bi,bj))) |
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& ) |
& ) |
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ENDDO |
ENDDO |
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DO j=jMin,jMax |
DO j=jMin,jMax |
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DO i=iMin,iMax |
DO i=iMin,iMax |
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af(i,j) = |
af(i,j) = |
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& wTrans(i,j)*(salt(i,j,k,bi,bj)+salt(i,j,kM1,bi,bj))*0.5 _d 0 |
& rTrans(i,j)*(salt(i,j,k,bi,bj)+salt(i,j,kM1,bi,bj))*0.5 _d 0 |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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C Diffusive component of vertical flux |
C Diffusive component of vertical flux |
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C boundary condition. |
C boundary condition. |
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DO j=jMin,jMax |
DO j=jMin,jMax |
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DO i=iMin,iMax |
DO i=iMin,iMax |
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df(i,j) = _zA(i,j,bi,bj)*( |
df(i,j) = _rA(i,j,bi,bj)*( |
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& -KapGM(i,j)*K13(i,j,k)*dSdx(i,j) |
& -KapGM(i,j)*K13(i,j,k)*dSdx(i,j) |
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& -KapGM(i,j)*K23(i,j,k)*dSdy(i,j) |
& -KapGM(i,j)*K23(i,j,k)*dSdy(i,j) |
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& ) |
& ) |
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IF (.NOT.implicitDiffusion) THEN |
IF (.NOT.implicitDiffusion) THEN |
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DO j=jMin,jMax |
DO j=jMin,jMax |
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DO i=iMin,iMax |
DO i=iMin,iMax |
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df(i,j) = df(i,j) + _zA(i,j,bi,bj)*( |
df(i,j) = df(i,j) + _rA(i,j,bi,bj)*( |
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& -KappaZS(i,j,k)*rdzC(k) |
& -KappaRS(i,j,k)*recip_drC(k) |
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& *(salt(i,j,kM1,bi,bj)-salt(i,j,k,bi,bj)) |
& *(salt(i,j,kM1,bi,bj)-salt(i,j,k,bi,bj))*rkFac |
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& ) |
& ) |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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ENDIF |
ENDIF |
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#ifdef ALLOW_KPP |
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IF (usingKPPmixing) THEN |
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C-- Add non local transport coefficient (ghat term) to right-hand-side |
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C The nonlocal transport term is noNrero only for scalars in unstable |
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C (convective) forcing conditions. |
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IF ( TOP_LAYER ) 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) - _rA(i,j,bi,bj) * |
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& EmPmR(i,j,bi,bj) * delZ(1) * |
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& ( KappaRS(i,j,k) * KPPghat(i,j,k,bi,bj) ) |
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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) = df(i,j) - _rA(i,j,bi,bj) * |
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& EmPmR(i,j,bi,bj) * delZ(1) * |
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& ( KappaRS(i,j,k) * KPPghat(i,j,k,bi,bj) |
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& - KappaRS(i,j,k-1) * KPPghat(i,j,k-1,bi,bj) ) |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDIF |
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#endif /* ALLOW_KPP */ |
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C Net vertical flux |
C Net vertical flux |
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DO j=jMin,jMax |
DO j=jMin,jMax |
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DO i=iMin,iMax |
DO i=iMin,iMax |
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C are not used. |
C are not used. |
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DO j=jMin,jMax |
DO j=jMin,jMax |
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DO i=iMin,iMax |
DO i=iMin,iMax |
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C & -_rhFacC(i,j,k,bi,bj)*rdzF(k)*_rdxF(i,j,bi,bj)*_rdyF(i,j,bi,bj) |
#define _recip_VolS1(i,j,k,bi,bj) _recip_hFacC(i,j,k,bi,bj)*recip_drF(k) |
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C & -_rhFacC(i,j,k,bi,bj)*rdzF(k)/_zA(i,j,bi,bj) |
#define _recip_VolS2(i,j,k,bi,bj) /_rA(i,j,bi,bj) |
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C #define _rVolS(i,j,k,bi,bj) _rhFacC(i,j,k,bi,bj)*rdzF(k)*_rdxF(i,j,bi,bj)*_rdyF(i,j,bi,bj) |
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#define _rVolS(i,j,k,bi,bj) _rhFacC(i,j,k,bi,bj)*rdzF(k)/_zA(i,j,bi,bj) |
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gS(i,j,k,bi,bj)= |
gS(i,j,k,bi,bj)= |
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& -_rVolS(i,j,k,bi,bj) |
& -_recip_VolS1(i,j,k,bi,bj) |
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& _recip_VolS2(i,j,k,bi,bj) |
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& *( |
& *( |
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& +( fZon(i+1,j)-fZon(i,j) ) |
& +( fZon(i+1,j)-fZon(i,j) ) |
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& +( fMer(i,j+1)-fMer(i,j) ) |
& +( fMer(i,j+1)-fMer(i,j) ) |
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& +( fVerS(i,j,kUp)-fVerS(i,j,kDown) ) |
& +( fVerS(i,j,kUp)-fVerS(i,j,kDown) )*rkFac |
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& ) |
& ) |
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ENDDO |
ENDDO |
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ENDDO |
ENDDO |
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C-- External P-E forcing term(s) |
C-- External forcing term(s) |
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C o Surface relaxation term |
CALL EXTERNAL_FORCING_S( |
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IF ( TOP_LAYER ) THEN |
I iMin,iMax,jMin,jMax,bi,bj,k, |
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DO j=jMin,jMax |
I maskC, |
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DO i=iMin,iMax |
I myCurrentTime,myThid) |
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gS(i,j,k,bi,bj)=gS(i,j,k,bi,bj) |
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& +maskC(i,j)*( |
#ifdef INCLUDE_LAT_CIRC_FFT_FILTER_CODE |
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& -lambdaSaltClimRelax*(salt(i,j,k,bi,bj)-SSS(i,j,bi,bj)) |
C-- |
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& -EmPpR(i,j,bi,bj) ) |
CALL FILTER_LATCIRCS_FFT_APPLY( gS, 1, sNy, k, k, bi, bj, 1, myThid) |
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ENDDO |
#endif |
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ENDDO |
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ENDIF |
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RETURN |
RETURN |
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END |
END |