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#include "CPP_OPTIONS.h" |
#include "CPP_OPTIONS.h" |
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SUBROUTINE CALC_PHI_HYD( bi, bj, iMin, iMax, jMin, jMax, K, |
SUBROUTINE CALC_PHI_HYD( |
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I buoyKM1, buoyKP1, phiHyd, myThid) |
I bi, bj, iMin, iMax, jMin, jMax, K, |
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I theta, salt, |
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U phiHyd, phiHydInterface, |
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I myThid) |
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C /==========================================================\ |
C /==========================================================\ |
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C | SUBROUTINE CALC_PHI_HYD | |
C | SUBROUTINE CALC_PHI_HYD | |
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C | o Integrate the hydrostatic relation to find phiHyd. | |
C | o Integrate the hydrostatic relation to find phiHyd. | |
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C | | |
C | | |
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C | On entry: | |
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C | theta,salt are the current thermodynamics quantities| |
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C | (unchanged on exit) | |
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C | phiHyd(i,j,1:k-1) is the hydrostatic pressure/geopot. | |
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C | at cell centers (tracer points) | |
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C | - 1:k-1 layers are valid | |
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C | - k:Nr layers are invalid | |
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C | phiHydInterface(i,j) is the hydrostatic pressure/geop. | |
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C | at cell the interface k (w point above) | |
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C | On exit: | |
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C | phiHyd(i,j,1:k) is the hydrostatic pressure/geopot. | |
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C | at cell centers (tracer points) | |
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C | - 1:k layers are valid | |
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C | - k+1:Nr layers are invalid | |
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C | phiHydInterface(i,j) is the hydrostatic pressure/geop. | |
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C | at cell the interface k+1 (w point below)| |
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C | | |
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C \==========================================================/ |
C \==========================================================/ |
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IMPLICIT NONE |
IMPLICIT NONE |
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C == Global variables == |
C == Global variables == |
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#include "SIZE.h" |
#include "SIZE.h" |
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#include "DYNVARS.h" |
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#include "GRID.h" |
#include "GRID.h" |
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#include "EEPARAMS.h" |
#include "EEPARAMS.h" |
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#include "PARAMS.h" |
#include "PARAMS.h" |
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C == Routine arguments == |
C == Routine arguments == |
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INTEGER bi,bj,iMin,iMax,jMin,jMax,K |
INTEGER bi,bj,iMin,iMax,jMin,jMax,K |
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_RL buoyKM1(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL theta(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL buoyKP1(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
_RL salt(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL phiHyd(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
_RL phiHyd(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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integer myThid |
_RL phiHydInterface(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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C == Local variables == |
INTEGER myThid |
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INTEGER i,j,Km1 |
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_RL halfLayer |
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_RL gamma |
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#ifdef INCLUDE_PHIHYD_CALCULATION_CODE |
#ifdef INCLUDE_PHIHYD_CALCULATION_CODE |
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if (K.eq.1) then |
C == Local variables == |
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Km1=1 |
INTEGER i,j |
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halfLayer=0.5 _d 0 |
_RL alphaRho(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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else |
_RL dRloc,dRlocKp1 |
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Km1=K-1 |
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halfLayer=1.0 _d 0 |
IF ( buoyancyRelation .eq. 'OCEANIC' ) THEN |
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endif |
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dRloc=drC(k) |
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C-- Scale factor for hydrostatic relation except for ocean in |
IF (k.EQ.1) dRloc=drF(1) |
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C-- pressure coords. |
IF (k.EQ.Nr) THEN |
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gamma = 1. _d 0 |
dRlocKp1=0. |
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C-- Scale factor for hydrostatic relation for ocean in pressure |
ELSE |
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C-- coords. |
dRlocKp1=drC(k+1) |
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IF ( buoyancyRelation .EQ. 'OCEANIC' .AND. usingPCoords ) THEN |
ENDIF |
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gamma = recip_Gravity*recip_rhoConst |
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ENDIF |
C-- If this is the top layer we impose the boundary condition |
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C P(z=eta) = P(atmospheric_loading) |
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C-- Contribution to phiHyd(:,:,K) from buoy(:,:,K-1) + buoy(:,:,K) |
IF (k.EQ.1) THEN |
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C (This is now the actual hydrostatic pressure|height at the T/S |
DO j=jMin,jMax |
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C points) |
DO i=iMin,iMax |
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DO j=jMin,jMax |
C *NOTE* The loading should go here but has not been implemented yet |
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DO i=iMin,iMax |
phiHydInterface(i,j)=0. |
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phiHyd(i,j,k)=0. |
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ENDDO |
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ENDDO |
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ENDIF |
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C Calculate density |
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CALL FIND_RHO( bi, bj, iMin, iMax, jMin, jMax, k, k, eosType, |
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& theta, salt, |
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& alphaRho, myThid) |
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C Hydrostatic pressure at cell centers |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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#ifdef ALLOW_AUTODIFF_TAMC |
#ifdef ALLOW_AUTODIFF_TAMC |
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Is this directive correct or even necessary in this new code? |
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CADJ GENERAL |
CADJ GENERAL |
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#endif |
#endif |
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phiHyd(i,j,K)=phiHyd(i,j,Km1)-rhoConst*halfLayer |
C This discretization is the "finite volume" form |
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& *0.5 _d 0*( drF(Km1)+drF(K) )*gamma |
C which has not been used to date since it does not |
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& *0.5 _d 0*( buoyKM1(i,j)+buoyKP1(i,j) ) |
C conserve KE+PE exactly even though it is more natural |
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ENDDO |
C |
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ENDDO |
C phiHyd(i,j,k)=phiHydInterface(i,j)+ |
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C & 0.5*drF(K)*gravity*alphaRho(i,j) |
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C |
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C This discretization is the "energy conserving" form |
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C which has been used since at least Adcroft et al., MWR 1997 |
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C |
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phiHyd(i,j,k)=phiHyd(i,j,k)+ |
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& 0.5*dRloc*gravity*alphaRho(i,j) |
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phiHyd(i,j,k+1)=phiHyd(i,j,k)+ |
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& 0.5*dRlocKp1*gravity*alphaRho(i,j) |
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ENDDO |
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ENDDO |
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C Hydrostatic pressure at interface below |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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phiHydInterface(i,j)=phiHydInterface(i,j)+ |
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& drF(K)*gravity*alphaRho(i,j) |
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ENDDO |
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ENDDO |
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ELSEIF ( buoyancyRelation .eq. 'ATMOSPHERIC' ) THEN |
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ELSE |
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STOP 'CALC_PHI_HYD: We should never reach this point!' |
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ENDIF |
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#endif |
#endif |
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