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adcroft |
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C $Header: $ |
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#include "CPP_OPTIONS.h" |
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SUBROUTINE GRAD_SIGMA( |
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I bi, bj, iMin, iMax, jMin, jMax, K, |
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I rhoK, sigKm1, sigKp1, |
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O sigmaX, sigmaY, sigmaR, |
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I myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE CALC_ISOSLOPES | |
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C | o Calculate isoneutral gradients | |
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C |==========================================================| |
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C \==========================================================/ |
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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 "GRID.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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C == Routine arguments == |
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C |
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INTEGER bi,bj,iMin,iMax,jMin,jMax,K |
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_RL rhoK(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL sigKm1(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL sigKp1(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL sigmaX(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
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_RL sigmaY(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
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_RL sigmaR(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
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INTEGER myThid |
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C == Local variables == |
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INTEGER i,j |
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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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sigmaX(i,j,k)=_maskW(i,j,k,bi,bj) |
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& *_recip_dxC(i,j,bi,bj) |
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& *(rhoK(i,j)-rhoK(i-1,j)) |
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ENDDO |
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ENDDO |
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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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sigmaY(i,j,k)=_maskS(i,j,k,bi,bj) |
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& *_recip_dyC(i,j,bi,bj) |
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& *(rhoK(i,j)-rhoK(i,j-1)) |
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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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IF (K.NE.1 .AND. hfacC(i,j,k,bi,bj).NE.0.) THEN |
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sigmaR(i,j,k)=recip_drC(k)*rkFac*(sigKm1(i,j)-sigKp1(i,j)) |
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ELSE |
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sigmaR(i,j,k)=0. |
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ENDIF |
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ENDDO |
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ENDDO |
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RETURN |
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END |
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