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C $Header: /u/gcmpack/MITgcm/model/src/calc_diffusivity.F,v 1.16 2001/09/26 18:09:13 cnh 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: CALC_DIFFUSIVITY |
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C !INTERFACE: |
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SUBROUTINE CALC_DIFFUSIVITY( |
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I bi,bj,iMin,iMax,jMin,jMax,K, |
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I maskUp, |
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O KappaRT,KappaRS, |
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I myThid) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE CALC_DIFFUSIVITY |
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C | o Calculate net vertical diffusivity |
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C *==========================================================* |
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C | Combines spatially varying diffusion coefficients from |
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C | KPP and/or GM and/or convective stability test. |
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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 "DYNVARS.h" |
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#include "GRID.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C bi, bj, :: Range of points for which calculation |
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C iMin, is performed. |
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C iMax, |
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C jMin, |
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C jMax |
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C maskUp :: land/water mask for Wvel points (above tracer level) |
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C myThid :: Instance number for this innvocation of CALC_DIFFUSIVITY |
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C KappaRT :: Net diffusivity for temperature |
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C KappaRS :: Net diffusivity for salinity |
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INTEGER bi,bj,iMin,iMax,jMin,jMax,K |
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_RS maskUp(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL KappaRT(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
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_RL KappaRS(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr) |
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INTEGER myThid |
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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 :: Loop counters |
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INTEGER i,j |
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CEOP |
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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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KappaRT(i,j,k) = maskUp(i,j)* |
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& ( |
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& KappaRT(i,j,k) |
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#if (defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_DIFFKR_CONTROL)) |
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& + diffKr(i,j,k,bi,bj) |
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#else |
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& + diffKrT |
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#endif |
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& ) |
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ENDDO |
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ENDDO |
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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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KappaRS(i,j,k) = maskUp(i,j)* |
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& ( |
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& KappaRS(i,j,k) |
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#if (defined (ALLOW_AUTODIFF_TAMC) && defined (ALLOW_DIFFKR_CONTROL)) |
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& + diffKr(i,j,k,bi,bj) |
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#else |
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& + diffKrS |
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#endif |
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& ) |
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ENDDO |
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ENDDO |
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|
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#ifdef ALLOW_GMREDI |
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IF (useGMRedi) CALL GMREDI_CALC_DIFF( |
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I bi,bj,iMin,iMax,jMin,jMax,K, |
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I maskUp, |
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O KappaRT,KappaRS, |
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I myThid) |
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#endif |
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|
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#ifdef ALLOW_KPP |
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IF (useKPP) CALL KPP_CALC_DIFF( |
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I bi,bj,iMin+1,iMax,jMin+1,jMax,K, |
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I maskUp, |
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O KappaRT,KappaRS, |
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I myThid) |
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#endif |
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|
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|
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RETURN |
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END |
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