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jmc |
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C $Header: /u/gcmpack/MITgcm/pkg/gmredi/gmredi_calc_psi_b.F,v 1.11 2011/01/11 00:54:45 jmc Exp $ |
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C $Name: $ |
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#include "GMREDI_OPTIONS.h" |
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CBOP |
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C !ROUTINE: SUBMESO_CALC_PSI |
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C !INTERFACE: |
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SUBROUTINE SUBMESO_CALC_PSI( |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I sigmaX, sigmaY, sigmaR, |
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I locMixLayer, |
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I myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE SUBMESO_CALC_PSI |
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C | o Calculate stream-functions for Sub-Meso bolus velocity |
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C *==========================================================* |
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C | Ref: B. Fox-Kemper etal, Oce.Model., 39:61-78, 2011 |
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C | B. Fox-Kemper etal, JPO, 38(6):1145-1165, 2008 |
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C *==========================================================* |
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C \ev |
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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 "GRID.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GMREDI.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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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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_RL locMixLayer(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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INTEGER bi,bj,iMin,iMax,jMin,jMax |
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INTEGER myIter |
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INTEGER myThid |
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CEOP |
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#ifndef GM_EXCLUDE_SUBMESO |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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INTEGER i,j,k |
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_RL mixLayerU (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL mixLayerV (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL dBuoyX_Hu (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL dBuoyY_Hv (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL NHmixLay (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL MsquareH (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL lengthScaleF(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL fcorLoc (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL PsiLoc (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL dzLoc, z2H, mu_z |
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_RL five_ov21 |
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PARAMETER( five_ov21 = 5. _d 0 / 21. _d 0 ) |
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C-- parameter to move to GMREDI.h |
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c _RL subMeso_invTau, subMeso_LfMin, subMeso_Ceff |
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c _RS subMeso_Lmax |
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c subMeso_invTau = 1.6 _d -6 ! ~ 1/(7.2 days) |
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c subMeso_LfMin = 1000. _d 0 |
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c subMeso_Ceff = 0.07 _d 0 |
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c subMeso_Lmax = 111. _d 3 |
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C- Initialization : <= done in S/R gmredi_init |
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c IF ( GM_useSubMeso ) THEN |
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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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mixLayerU(i,j) = op5*( locMixLayer(i-1,j)+locMixLayer(i,j) ) |
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mixLayerU(i,j) = MIN( mixLayerU(i,j), -rLowW(i,j,bi,bj) ) |
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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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mixLayerV(i,j)=op5*( locMixLayer(i,j-1)+locMixLayer(i,j) ) |
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mixLayerV(i,j) = MIN( mixLayerV(i,j), -rLowS(i,j,bi,bj) ) |
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ENDDO |
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ENDDO |
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C-- Integrate buoyancy gradient over the Mixed-Layer |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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dBuoyX_Hu(i,j)= 0. |
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dBuoyY_Hv(i,j)= 0. |
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NHmixLay(i,j) = 0. |
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fcorLoc(i,j) = SQRT( fCori(i,j,bi,bj)*fCori(i,j,bi,bj) |
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& + subMeso_invTau*subMeso_invTau ) |
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ENDDO |
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ENDDO |
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DO k=1,Nr |
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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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dzLoc = MAX( 0. _d 0, MIN( drF(k), mixLayerU(i,j)+rF(k) ) ) |
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dBuoyX_Hu(i,j) = dBuoyX_Hu(i,j) + sigmaX(i,j,k)*dzLoc |
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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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dzLoc = MAX( 0. _d 0, MIN( drF(k), mixLayerV(i,j)+rF(k) ) ) |
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dBuoyY_Hv(i,j) = dBuoyY_Hv(i,j) + sigmaY(i,j,k)*dzLoc |
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ENDDO |
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ENDDO |
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ENDDO |
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DO k=2,Nr |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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dzLoc = 0. |
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IF ( locMixLayer(i,j)+rC(k-1).GE.0. ) dzLoc = drC(k) |
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NHmixLay(i,j) = NHmixLay(i,j) |
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& + dzLoc*MAX( -sigmaR(i,j,k), 0. _d 0 ) |
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ENDDO |
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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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dBuoyX_Hu(i,j)= -dBuoyX_Hu(i,j)*gravity*recip_rhoConst |
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dBuoyY_Hv(i,j)= -dBuoyY_Hv(i,j)*gravity*recip_rhoConst |
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NHmixLay(i,j) = SQRT( NHmixLay(i,j)*gravity*recip_rhoConst |
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& *locMixLayer(i,j) ) |
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ENDDO |
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ENDDO |
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DO j=2-Oly,sNy+Oly-1 |
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DO i=2-Olx,sNx+Olx-1 |
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MsquareH(i,j)= SQRT( op25*( |
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& (dBuoyX_Hu(i,j) + dBuoyX_Hu(i+1,j))**2 |
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& + (dBuoyY_Hv(i,j) + dBuoyY_Hv(i,j+1))**2 |
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& ) ) |
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ENDDO |
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ENDDO |
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C- Compute Lf at grid-cell center |
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DO j=2-Oly,sNy+Oly-1 |
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DO i=2-Olx,sNx+Olx-1 |
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lengthScaleF(i,j)= MAX( |
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& MsquareH(i,j)/(fcorLoc(i,j)*fcorLoc(i,j)) , |
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& NHmixLay(i,j)/fcorLoc(i,j) , |
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& subMeso_LfMin ) |
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ENDDO |
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ENDDO |
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C Mix-Layer Eddies contribution to Bolus Transport in X dir. |
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DO j=2-Oly,sNy+Oly-1 |
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DO i=3-Olx,sNx+Olx-1 |
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PsiLoc(i,j) = -subMeso_Ceff*dBuoyX_Hu(i,j) |
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& *mixLayerU(i,j) |
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& *MIN( dxC(i,j,bi,bj), subMeso_Lmax ) |
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& *2. _d 0/(lengthScaleF(i-1,j)+lengthScaleF(i,j)) |
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& *2. _d 0/(fcorLoc(i-1,j)+fcorLoc(i,j)) |
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ENDDO |
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ENDDO |
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#ifdef GM_BOLUS_ADVEC |
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DO k=2,Nr |
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DO j=2-Oly,sNy+Oly-1 |
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DO i=3-Olx,sNx+Olx-1 |
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IF ( mixLayerU(i,j).GT.0. _d 0 ) THEN |
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z2H = 2. _d 0*rF(k)/mixLayerU(i,j) |
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ELSE |
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z2H = 0. _d 0 |
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ENDIF |
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mu_z = ( z2H + 1. _d 0 )*( z2H + 1. _d 0 ) |
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mu_z = ( 1. _d 0 - mu_z )*(1. _d 0 + mu_z*five_ov21 ) |
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mu_z = MAX( 0. _d 0, mu_z ) |
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GM_PsiX(i,j,k,bi,bj) = GM_PsiX(i,j,k,bi,bj) |
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& + mu_z*PsiLoc(i,j) |
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ENDDO |
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ENDDO |
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ENDDO |
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#endif /* GM_BOLUS_ADVEC */ |
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#ifdef ALLOW_DIAGNOSTICS |
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IF ( useDiagnostics ) THEN |
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CALL DIAGNOSTICS_FILL( lengthScaleF, 'SubMesLf', |
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& 0, 1, 2, bi, bj, myThid ) |
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CALL DIAGNOSTICS_FILL( PsiLoc, 'SubMpsiX', |
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& 0, 1, 2, bi, bj, myThid ) |
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ENDIF |
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#endif |
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IF ( debugLevel.GE.debLevD ) THEN |
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CALL WRITE_LOCAL_RL( 'subMeso_Lf','I10',1,lengthScaleF, |
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& bi,bj,1,myIter,myThid ) |
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CALL WRITE_LOCAL_RL( 'subMeso_psiX','I10',1,PsiLoc, |
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& bi,bj,1,myIter,myThid ) |
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ENDIF |
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C Mix-Layer Eddies contribution to Bolus Transport in Y dir. |
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DO j=3-Oly,sNy+Oly-1 |
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DO i=2-Olx,sNx+Olx-1 |
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PsiLoc(i,j) = -subMeso_Ceff*dBuoyY_Hv(i,j) |
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& *mixLayerV(i,j) |
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& *MIN( dyC(i,j,bi,bj), subMeso_Lmax ) |
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& *2. _d 0/(lengthScaleF(i,j-1)+lengthScaleF(i,j)) |
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& *2. _d 0/(fcorLoc(i,j-1)+fcorLoc(i,j)) |
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ENDDO |
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ENDDO |
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#ifdef GM_BOLUS_ADVEC |
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DO k=2,Nr |
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DO j=3-Oly,sNy+Oly-1 |
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DO i=2-Olx,sNx+Olx-1 |
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IF ( mixLayerV(i,j).GT.0. _d 0 ) THEN |
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z2H = 2. _d 0*rF(k)/mixLayerV(i,j) |
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ELSE |
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z2H = 0. _d 0 |
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ENDIF |
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mu_z = ( z2H + 1. _d 0 )*( z2H + 1. _d 0 ) |
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mu_z = ( 1. _d 0 - mu_z )*(1. _d 0 + mu_z*five_ov21 ) |
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mu_z = MAX( 0. _d 0, mu_z ) |
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GM_PsiY(i,j,k,bi,bj) = GM_PsiY(i,j,k,bi,bj) |
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& + mu_z*PsiLoc(i,j) |
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ENDDO |
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ENDDO |
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ENDDO |
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#endif /* GM_BOLUS_ADVEC */ |
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#ifdef ALLOW_DIAGNOSTICS |
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IF ( useDiagnostics ) THEN |
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CALL DIAGNOSTICS_FILL( PsiLoc, 'SubMpsiY', |
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& 0, 1, 2, bi, bj, myThid ) |
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ENDIF |
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#endif |
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IF ( debugLevel.GE.debLevD ) THEN |
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CALL WRITE_LOCAL_RL( 'subMeso_psiY','I10',1,PsiLoc, |
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& bi,bj,1,myIter,myThid ) |
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ENDIF |
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c ENDIF |
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#endif /* ndef GM_EXCLUDE_SUBMESO */ |
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RETURN |
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END |
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