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C $Header: /u/gcmpack/MITgcm/model/src/freesurf_rescale_g.F,v 1.6 2006/06/07 01:55:13 heimbach Exp $ |
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C $Name: $ |
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|
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#include "CPP_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: FREESURF_RESCALE_G |
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C !INTERFACE: |
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SUBROUTINE FREESURF_RESCALE_G( |
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I bi, bj, k, |
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U gTracer, |
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I myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R FREESURF_RESCALE_G |
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C | o Re-scale Gs to account for change in free-surface |
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C | hieght. Only meaningful with non-linear free-surface. |
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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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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 "SURFACE.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine Arguments == |
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INTEGER bi,bj,k |
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_RL gTracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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INTEGER myThid |
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#ifdef NONLIN_FRSURF |
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C == Local variables == |
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INTEGER i,j |
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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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IF ( nonlinFreeSurf.GT.0 ) THEN |
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IF ( select_rStar.GT.0 ) THEN |
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# ifndef DISABLE_RSTAR_CODE |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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gTracer(i,j,k,bi,bj) = gTracer(i,j,k,bi,bj) |
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& /rStarExpC(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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# endif /* DISABLE_RSTAR_CODE */ |
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ELSEIF ( selectSigmaCoord.NE.0 ) THEN |
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# ifndef DISABLE_SIGMA_CODE |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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gTracer(i,j,k,bi,bj) = gTracer(i,j,k,bi,bj) |
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& /( 1. _d 0 + dEtaHdt(i,j,bi,bj)*deltaTfreesurf |
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& *dBHybSigF(k)*recip_drF(k) |
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& *recip_hFacC(i,j,k,bi,bj) |
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& ) |
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ENDDO |
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ENDDO |
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# endif /* DISABLE_SIGMA_CODE */ |
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ELSE |
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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.EQ.kSurfC(i,j,bi,bj)) THEN |
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gTracer(i,j,k,bi,bj) = gTracer(i,j,k,bi,bj) |
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& *_hFacC(i,j,k,bi,bj)/hFac_surfC(i,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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ENDIF |
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|
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#endif /* NONLIN_FRSURF */ |
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|
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RETURN |
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END |
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