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C $Header: /u/gcmpack/models/MITgcmUV/model/src/calc_phi_hyd.F,v 1.4 1998/09/09 15:04:44 cnh Exp $ |
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#include "CPP_EEOPTIONS.h" |
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SUBROUTINE CALC_PHI_HYD( bi, bj, iMin, iMax, jMin, jMax, K, |
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I buoyKM1, buoyKP1, phiHyd, myThid) |
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C /==========================================================\ |
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C | SUBROUTINE CALC_PHI_HYD | |
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C | o Integrate the hydrostatic relation to find phiHyd. | |
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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 "DYNVARS.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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INTEGER bi,bj,iMin,iMax,jMin,jMax,K |
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_RL buoyKM1(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL buoyKP1(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL phiHyd(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,Km1 |
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_RL halfLayer |
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_RL gamma |
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if (K.eq.1) then |
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Km1=1 |
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halfLayer=0.5 _d 0 |
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else |
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Km1=K-1 |
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halfLayer=1.0 _d 0 |
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endif |
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C-- Scale factor for hydrostatic relation except for ocean in pressure coords. |
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gamma = 1. _d 0 |
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C-- Scale factor for hydrostatic relation for ocean in pressure coords. |
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IF ( buoyancyRelation .EQ. 'OCEANIC' .AND. usingPCoords ) THEN |
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gamma = recip_Gravity*recip_rhoConst |
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ENDIF |
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C-- Contribution to phiHyd(:,:,K) from buoy(:,:,K-1) + buoy(:,:,K) |
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C (This is now the actual hydrostatic pressure|height at the T/S points) |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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phiHyd(i,j,K)=phiHyd(i,j,Km1)-rhoConst*halfLayer |
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& *0.5 _d 0*( drF(Km1)+drF(K) )*gamma |
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& *0.5 _d 0*( buoyKM1(i,j)+buoyKP1(i,j) ) |
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ENDDO |
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ENDDO |
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! ------------------------------------------------------------------------------ |
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return |
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end |
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! ============================================================================== |
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