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C $Header: /u/gcmpack/MITgcm/model/src/calc_eddy_stress.F,v 1.2 2014/01/01 23:25:59 m_bates Exp $ |
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C $Name: $ |
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|
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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|
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#ifdef ALLOW_GMREDI |
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# include "GMREDI_OPTIONS.h" |
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#endif |
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|
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SUBROUTINE CALC_EDDY_STRESS( bi, bj, myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R CALC_EDDY_STRESS |
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C | o Calculates the eddy stress when running a residual |
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C | ocean model |
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C *==========================================================* |
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C | Calculates the eddy stress. Later this will be added to |
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C | gU the same as external sources (e.g. wind stress, bottom |
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C | friction, etc. |
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C *==========================================================* |
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C \ev |
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|
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IMPLICIT NONE |
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|
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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 "FFIELDS.h" |
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#ifdef ALLOW_GMREDI |
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# include "GMREDI.h" |
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#endif |
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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 |
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INTEGER myThid |
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#ifdef ALLOW_EDDYPSI |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C Loop counters |
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INTEGER i,j,k |
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C Interpolated stream function and coriolis |
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_RL psix, psiy, coriU, coriV |
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|
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C Calculate the eddy stress from the eddy induced streamfunction |
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#ifdef ALLOW_GMREDI |
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IF ( GM_InMomAsStress ) THEN |
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#endif |
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DO k=1,Nr |
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|
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DO j=1-OLy,sNy+OLy-1 |
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DO i=1-OLx+1,sNx+OLx |
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#ifdef ALLOW_GMREDI |
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psiy = op25*(GM_PsiY(i, j ,k,bi,bj) |
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& +GM_PsiY(i, j+1,k,bi,bj) |
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& +GM_PsiY(i-1,j ,k,bi,bj) |
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& +GM_PsiY(i-1,j+1,k,bi,bj)) |
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#else |
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psiy = op25*(eddyPsiY(i, j ,k,bi,bj) |
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& +eddyPsiY(i, j+1,k,bi,bj) |
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& +eddyPsiY(i-1,j ,k,bi,bj) |
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& +eddyPsiY(i-1,j+1,k,bi,bj)) |
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#endif |
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coriU = op5*(fcori(i-1,j,bi,bj) |
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& +fCori(i ,j,bi,bj)) |
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tauxEddy(i,j,k,bi,bj) = rhoConst*coriU*psiy |
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ENDDO |
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ENDDO |
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|
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DO j=1-OLy+1,sNy+OLy |
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DO i=1-OLx,sNx+OLx-1 |
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#ifdef ALLOW_GMREDI |
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psix = op25*(GM_PsiX(i, j ,k,bi,bj) |
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& +GM_PsiX(i+1,j ,k,bi,bj) |
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& +GM_PsiX(i ,j-1,k,bi,bj) |
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& +GM_PsiX(i+1,j-1,k,bi,bj)) |
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#else |
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psix = op25*(eddyPsiX(i, j ,k,bi,bj) |
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& +eddyPsiX(i+1,j ,k,bi,bj) |
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& +eddyPsiX(i ,j-1,k,bi,bj) |
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& +eddyPsiX(i+1,j-1,k,bi,bj)) |
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#endif |
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coriV = op5*(fcori(i,j-1,bi,bj) |
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& +fCori(i,j ,bi,bj)) |
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tauyEddy(i,j,k,bi,bj) = -rhoConst*coriV*psix |
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ENDDO |
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ENDDO |
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|
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C- end k loop |
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ENDDO |
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|
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#ifdef ALLOW_DIAGNOSTICS |
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IF ( useDiagnostics ) THEN |
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CALL DIAGNOSTICS_FILL( tauxEddy, 'TAUXEDDY', |
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& 0, Nr, 1, bi, bj, myThid ) |
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CALL DIAGNOSTICS_FILL( tauyEddy, 'TAUYEDDY', |
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& 0, Nr, 1, bi, bj, myThid ) |
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ENDIF |
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#endif |
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#ifdef ALLOW_GMREDI |
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ENDIF |
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#endif |
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#endif /* ALLOW_EDDYPSI */ |
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RETURN |
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END |
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