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C $Header: /u/gcmpack/MITgcm/model/src/find_rho.F,v 1.35 2008/08/09 01:02:28 jmc Exp $ |
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C $Name: $ |
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|
| 4 |
#include "CPP_OPTIONS.h" |
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#define USE_FACTORIZED_POLY |
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|
| 7 |
C-- File find_rho.F: Routines to compute density |
| 8 |
C-- Contents |
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C-- o FIND_RHO_2D |
| 10 |
C-- o FIND_RHOP0 |
| 11 |
C-- o FIND_BULKMOD |
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C-- o FIND_RHONUM |
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C-- o FIND_RHODEN |
| 14 |
C-- o LOOK_FOR_NEG_SALINITY |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: FIND_RHO_2D |
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C !INTERFACE: |
| 20 |
SUBROUTINE FIND_RHO_2D( |
| 21 |
I iMin, iMax, jMin, jMax, kRef, |
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I tFld, sFld, |
| 23 |
O rhoLoc, |
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I k, bi, bj, myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | o SUBROUTINE FIND_RHO_2D |
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C | Calculates [rho(S,T,z)-rhoConst] of a 2-D slice |
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C *==========================================================* |
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C | |
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C | kRef - determines pressure reference level |
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C | (not used in 'LINEAR' mode) |
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C | Note: k is not used ; keep it for debugging. |
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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" |
| 43 |
#include "PARAMS.h" |
| 44 |
#include "EOS.h" |
| 45 |
|
| 46 |
C !INPUT/OUTPUT PARAMETERS: |
| 47 |
C == Routine arguments == |
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C k :: Level of Theta/Salt slice |
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C kRef :: Pressure reference level |
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INTEGER iMin,iMax,jMin,jMax |
| 51 |
INTEGER kRef |
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_RL tFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL sFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL rhoLoc(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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INTEGER k, bi, bj |
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INTEGER myThid |
| 57 |
|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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INTEGER i,j |
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_RL refTemp,refSalt,sigRef,tP,sP,deltaSig,dRho |
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_RL locPres(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL rhoP0 (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL bulkMod(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL rhoNum (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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_RL rhoDen (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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CEOP |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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rhoLoc(i,j) = 0. _d 0 |
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rhoP0(i,j) = 0. _d 0 |
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bulkMod(i,j) = 0. _d 0 |
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ENDDO |
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ENDDO |
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#endif |
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|
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#ifdef CHECK_SALINITY_FOR_NEGATIVE_VALUES |
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CALL LOOK_FOR_NEG_SALINITY( |
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I iMin, iMax, jMin, jMax, |
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U sFld, |
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I k, bi, bj, myThid ) |
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#endif |
| 86 |
|
| 87 |
IF (equationOfState.EQ.'LINEAR') THEN |
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|
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C ***NOTE*** |
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C In the linear EOS, to make the static stability calculation meaningful |
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C we use reference temp & salt from level kRef ; |
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C ********** |
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refTemp=tRef(kRef) |
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refSalt=sRef(kRef) |
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|
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dRho = rhoNil-rhoConst |
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|
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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rhoLoc(i,j)=rhoNil*( |
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& sBeta*(sFld(i,j)-refSalt) |
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& -tAlpha*(tFld(i,j)-refTemp) ) |
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& + dRho |
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ENDDO |
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ENDDO |
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|
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ELSEIF (equationOfState.EQ.'POLY3') THEN |
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|
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refTemp=eosRefT(kRef) |
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refSalt=eosRefS(kRef) |
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sigRef=eosSig0(kRef) + (1000.-rhoConst) |
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|
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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tP=tFld(i,j)-refTemp |
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sP=sFld(i,j)-refSalt |
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#ifdef USE_FACTORIZED_POLY |
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deltaSig= |
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& (( eosC(9,kRef)*sP + eosC(5,kRef) )*sP + eosC(2,kRef) )*sP |
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& + ( ( eosC(6,kRef) |
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& *tP |
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& +eosC(7,kRef)*sP + eosC(3,kRef) |
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& )*tP |
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& +(eosC(8,kRef)*sP + eosC(4,kRef) )*sP + eosC(1,kRef) |
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& )*tP |
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#else |
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deltaSig= |
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& eosC(1,kRef)*tP |
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& +eosC(2,kRef) *sP |
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& +eosC(3,kRef)*tP*tP |
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& +eosC(4,kRef)*tP *sP |
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& +eosC(5,kRef) *sP*sP |
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& +eosC(6,kRef)*tP*tP*tP |
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& +eosC(7,kRef)*tP*tP *sP |
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& +eosC(8,kRef)*tP *sP*sP |
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& +eosC(9,kRef) *sP*sP*sP |
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#endif |
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rhoLoc(i,j)=sigRef+deltaSig |
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ENDDO |
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ENDDO |
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|
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ELSEIF ( equationOfState(1:5).EQ.'JMD95' |
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& .OR. equationOfState.EQ.'UNESCO' ) THEN |
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C nonlinear equation of state in pressure coordinates |
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|
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CALL PRESSURE_FOR_EOS( |
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I bi, bj, iMin, iMax, jMin, jMax, kRef, |
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O locPres, |
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I myThid ) |
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|
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CALL FIND_RHOP0( |
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I iMin, iMax, jMin, jMax, |
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I tFld, sFld, |
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O rhoP0, |
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I myThid ) |
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|
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CALL FIND_BULKMOD( |
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I iMin, iMax, jMin, jMax, |
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I locPres, tFld, sFld, |
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O bulkMod, |
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I myThid ) |
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|
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c#ifdef ALLOW_AUTODIFF_TAMC |
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cph can not DO storing here since find_rho is called multiple times; |
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cph additional recomp. should be acceptable |
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c#endif /* ALLOW_AUTODIFF_TAMC */ |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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|
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C density of sea water at pressure p |
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rhoLoc(i,j) = rhoP0(i,j) |
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& /(1. _d 0 - |
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& locPres(i,j)*SItoBar/bulkMod(i,j) ) |
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& - rhoConst |
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|
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ENDDO |
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ENDDO |
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|
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ELSEIF ( equationOfState.EQ.'MDJWF' ) THEN |
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|
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CALL PRESSURE_FOR_EOS( |
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I bi, bj, iMin, iMax, jMin, jMax, kRef, |
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O locPres, |
| 184 |
I myThid ) |
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|
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CALL FIND_RHONUM( |
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I iMin, iMax, jMin, jMax, |
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I locPres, tFld, sFld, |
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O rhoNum, |
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I myThid ) |
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|
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CALL FIND_RHODEN( |
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I iMin, iMax, jMin, jMax, |
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I locPres, tFld, sFld, |
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O rhoDen, |
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I myThid ) |
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|
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c#ifdef ALLOW_AUTODIFF_TAMC |
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cph can not DO storing here since find_rho is called multiple times; |
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cph additional recomp. should be acceptable |
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c#endif /* ALLOW_AUTODIFF_TAMC */ |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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rhoLoc(i,j) = rhoNum(i,j)*rhoDen(i,j) - rhoConst |
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ENDDO |
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ENDDO |
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|
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ELSEIF( equationOfState .EQ. 'IDEALG' ) THEN |
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C |
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ELSE |
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WRITE(msgBuf,'(3a)') |
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& ' FIND_RHO_2D: equationOfState = "',equationOfState,'"' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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STOP 'ABNORMAL END: S/R FIND_RHO_2D' |
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ENDIF |
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|
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RETURN |
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END |
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|
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C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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CBOP |
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C !ROUTINE: FIND_RHOP0 |
| 223 |
C !INTERFACE: |
| 224 |
SUBROUTINE FIND_RHOP0( |
| 225 |
I iMin, iMax, jMin, jMax, |
| 226 |
I tFld, sFld, |
| 227 |
O rhoP0, |
| 228 |
I myThid ) |
| 229 |
|
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C !DESCRIPTION: \bv |
| 231 |
C *==========================================================* |
| 232 |
C | o SUBROUTINE FIND_RHOP0 |
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C | Calculates rho(S,T,0) of a slice |
| 234 |
C *==========================================================* |
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C *==========================================================* |
| 236 |
C \ev |
| 237 |
|
| 238 |
C !USES: |
| 239 |
IMPLICIT NONE |
| 240 |
C == Global variables == |
| 241 |
#include "SIZE.h" |
| 242 |
#include "EEPARAMS.h" |
| 243 |
#include "PARAMS.h" |
| 244 |
#include "EOS.h" |
| 245 |
|
| 246 |
C !INPUT/OUTPUT PARAMETERS: |
| 247 |
C == Routine arguments == |
| 248 |
INTEGER iMin,iMax,jMin,jMax |
| 249 |
_RL tFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 250 |
_RL sFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 251 |
_RL rhoP0(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 252 |
INTEGER myThid |
| 253 |
|
| 254 |
C !LOCAL VARIABLES: |
| 255 |
C == Local variables == |
| 256 |
INTEGER i,j |
| 257 |
_RL rfresh, rsalt |
| 258 |
_RL t, t2, t3, t4, s, s3o2 |
| 259 |
CEOP |
| 260 |
|
| 261 |
DO j=jMin,jMax |
| 262 |
DO i=iMin,iMax |
| 263 |
C abbreviations |
| 264 |
t = tFld(i,j) |
| 265 |
t2 = t*t |
| 266 |
t3 = t2*t |
| 267 |
t4 = t3*t |
| 268 |
|
| 269 |
s = sFld(i,j) |
| 270 |
IF ( s .GT. 0. _d 0 ) THEN |
| 271 |
s3o2 = s*SQRT(s) |
| 272 |
ELSE |
| 273 |
s = 0. _d 0 |
| 274 |
s3o2 = 0. _d 0 |
| 275 |
ENDIF |
| 276 |
|
| 277 |
C density of freshwater at the surface |
| 278 |
rfresh = |
| 279 |
& eosJMDCFw(1) |
| 280 |
& + eosJMDCFw(2)*t |
| 281 |
& + eosJMDCFw(3)*t2 |
| 282 |
& + eosJMDCFw(4)*t3 |
| 283 |
& + eosJMDCFw(5)*t4 |
| 284 |
& + eosJMDCFw(6)*t4*t |
| 285 |
C density of sea water at the surface |
| 286 |
rsalt = |
| 287 |
& s*( |
| 288 |
& eosJMDCSw(1) |
| 289 |
& + eosJMDCSw(2)*t |
| 290 |
& + eosJMDCSw(3)*t2 |
| 291 |
& + eosJMDCSw(4)*t3 |
| 292 |
& + eosJMDCSw(5)*t4 |
| 293 |
& ) |
| 294 |
& + s3o2*( |
| 295 |
& eosJMDCSw(6) |
| 296 |
& + eosJMDCSw(7)*t |
| 297 |
& + eosJMDCSw(8)*t2 |
| 298 |
& ) |
| 299 |
& + eosJMDCSw(9)*s*s |
| 300 |
|
| 301 |
rhoP0(i,j) = rfresh + rsalt |
| 302 |
|
| 303 |
ENDDO |
| 304 |
ENDDO |
| 305 |
|
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RETURN |
| 307 |
END |
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|
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C !ROUTINE: FIND_BULKMOD |
| 310 |
C !INTERFACE: |
| 311 |
SUBROUTINE FIND_BULKMOD( |
| 312 |
I iMin, iMax, jMin, jMax, |
| 313 |
I locPres, tFld, sFld, |
| 314 |
O bulkMod, |
| 315 |
I myThid ) |
| 316 |
|
| 317 |
C !DESCRIPTION: \bv |
| 318 |
C *==========================================================* |
| 319 |
C | o SUBROUTINE FIND_BULKMOD |
| 320 |
C | Calculates the secant bulk modulus K(S,T,p) of a slice |
| 321 |
C *==========================================================* |
| 322 |
C | |
| 323 |
C | k - is the level of Theta/Salt slice |
| 324 |
C | |
| 325 |
C *==========================================================* |
| 326 |
C \ev |
| 327 |
|
| 328 |
C !USES: |
| 329 |
IMPLICIT NONE |
| 330 |
C == Global variables == |
| 331 |
#include "SIZE.h" |
| 332 |
#include "EEPARAMS.h" |
| 333 |
#include "PARAMS.h" |
| 334 |
#include "EOS.h" |
| 335 |
|
| 336 |
C !INPUT/OUTPUT PARAMETERS: |
| 337 |
C == Routine arguments == |
| 338 |
INTEGER iMin,iMax,jMin,jMax |
| 339 |
_RL locPres(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 340 |
_RL tFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 341 |
_RL sFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 342 |
_RL bulkMod(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 343 |
INTEGER myThid |
| 344 |
|
| 345 |
C !LOCAL VARIABLES: |
| 346 |
C == Local variables == |
| 347 |
INTEGER i,j |
| 348 |
_RL bMfresh, bMsalt, bMpres |
| 349 |
_RL t, t2, t3, t4, s, s3o2, p, p2 |
| 350 |
CEOP |
| 351 |
|
| 352 |
DO j=jMin,jMax |
| 353 |
DO i=iMin,iMax |
| 354 |
C abbreviations |
| 355 |
t = tFld(i,j) |
| 356 |
t2 = t*t |
| 357 |
t3 = t2*t |
| 358 |
t4 = t3*t |
| 359 |
|
| 360 |
s = sFld(i,j) |
| 361 |
IF ( s .GT. 0. _d 0 ) THEN |
| 362 |
s3o2 = s*SQRT(s) |
| 363 |
ELSE |
| 364 |
s = 0. _d 0 |
| 365 |
s3o2 = 0. _d 0 |
| 366 |
ENDIF |
| 367 |
C |
| 368 |
p = locPres(i,j)*SItoBar |
| 369 |
p2 = p*p |
| 370 |
C secant bulk modulus of fresh water at the surface |
| 371 |
bMfresh = |
| 372 |
& eosJMDCKFw(1) |
| 373 |
& + eosJMDCKFw(2)*t |
| 374 |
& + eosJMDCKFw(3)*t2 |
| 375 |
& + eosJMDCKFw(4)*t3 |
| 376 |
& + eosJMDCKFw(5)*t4 |
| 377 |
C secant bulk modulus of sea water at the surface |
| 378 |
bMsalt = |
| 379 |
& s*( eosJMDCKSw(1) |
| 380 |
& + eosJMDCKSw(2)*t |
| 381 |
& + eosJMDCKSw(3)*t2 |
| 382 |
& + eosJMDCKSw(4)*t3 |
| 383 |
& ) |
| 384 |
& + s3o2*( eosJMDCKSw(5) |
| 385 |
& + eosJMDCKSw(6)*t |
| 386 |
& + eosJMDCKSw(7)*t2 |
| 387 |
& ) |
| 388 |
C secant bulk modulus of sea water at pressure p |
| 389 |
bMpres = |
| 390 |
& p*( eosJMDCKP(1) |
| 391 |
& + eosJMDCKP(2)*t |
| 392 |
& + eosJMDCKP(3)*t2 |
| 393 |
& + eosJMDCKP(4)*t3 |
| 394 |
& ) |
| 395 |
& + p*s*( eosJMDCKP(5) |
| 396 |
& + eosJMDCKP(6)*t |
| 397 |
& + eosJMDCKP(7)*t2 |
| 398 |
& ) |
| 399 |
& + p*s3o2*eosJMDCKP(8) |
| 400 |
& + p2*( eosJMDCKP(9) |
| 401 |
& + eosJMDCKP(10)*t |
| 402 |
& + eosJMDCKP(11)*t2 |
| 403 |
& ) |
| 404 |
& + p2*s*( eosJMDCKP(12) |
| 405 |
& + eosJMDCKP(13)*t |
| 406 |
& + eosJMDCKP(14)*t2 |
| 407 |
& ) |
| 408 |
|
| 409 |
bulkMod(i,j) = bMfresh + bMsalt + bMpres |
| 410 |
|
| 411 |
ENDDO |
| 412 |
ENDDO |
| 413 |
|
| 414 |
RETURN |
| 415 |
END |
| 416 |
|
| 417 |
CBOP |
| 418 |
C !ROUTINE: FIND_RHONUM |
| 419 |
C !INTERFACE: |
| 420 |
SUBROUTINE FIND_RHONUM( |
| 421 |
I iMin, iMax, jMin, jMax, |
| 422 |
I locPres, tFld, sFld, |
| 423 |
O rhoNum, |
| 424 |
I myThid ) |
| 425 |
|
| 426 |
C !DESCRIPTION: \bv |
| 427 |
C *==========================================================* |
| 428 |
C | o SUBROUTINE FIND_RHONUM |
| 429 |
C | Calculates the numerator of the McDougall et al. |
| 430 |
C | equation of state |
| 431 |
C | - the code is more or less a copy of MOM4 |
| 432 |
C *==========================================================* |
| 433 |
C *==========================================================* |
| 434 |
C \ev |
| 435 |
|
| 436 |
C !USES: |
| 437 |
IMPLICIT NONE |
| 438 |
C == Global variables == |
| 439 |
#include "SIZE.h" |
| 440 |
#include "EEPARAMS.h" |
| 441 |
#include "PARAMS.h" |
| 442 |
#include "EOS.h" |
| 443 |
|
| 444 |
C !INPUT/OUTPUT PARAMETERS: |
| 445 |
C == Routine arguments == |
| 446 |
INTEGER iMin,iMax,jMin,jMax |
| 447 |
_RL locPres(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 448 |
_RL tFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 449 |
_RL sFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 450 |
_RL rhoNum (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 451 |
INTEGER myThid |
| 452 |
|
| 453 |
C !LOCAL VARIABLES: |
| 454 |
C == Local variables == |
| 455 |
INTEGER i,j |
| 456 |
_RL t1, t2, s1, p1 |
| 457 |
CEOP |
| 458 |
DO j=jMin,jMax |
| 459 |
DO i=iMin,iMax |
| 460 |
C abbreviations |
| 461 |
t1 = tFld(i,j) |
| 462 |
t2 = t1*t1 |
| 463 |
s1 = sFld(i,j) |
| 464 |
|
| 465 |
p1 = locPres(i,j)*SItodBar |
| 466 |
|
| 467 |
rhoNum(i,j) = eosMDJWFnum(0) |
| 468 |
& + t1*(eosMDJWFnum(1) |
| 469 |
& + t1*(eosMDJWFnum(2) + eosMDJWFnum(3)*t1) ) |
| 470 |
& + s1*(eosMDJWFnum(4) |
| 471 |
& + eosMDJWFnum(5)*t1 + eosMDJWFnum(6)*s1) |
| 472 |
& + p1*(eosMDJWFnum(7) + eosMDJWFnum(8)*t2 |
| 473 |
& + eosMDJWFnum(9)*s1 |
| 474 |
& + p1*(eosMDJWFnum(10) + eosMDJWFnum(11)*t2) ) |
| 475 |
|
| 476 |
ENDDO |
| 477 |
ENDDO |
| 478 |
|
| 479 |
RETURN |
| 480 |
END |
| 481 |
|
| 482 |
CBOP |
| 483 |
C !ROUTINE: FIND_RHODEN |
| 484 |
C !INTERFACE: |
| 485 |
SUBROUTINE FIND_RHODEN( |
| 486 |
I iMin, iMax, jMin, jMax, |
| 487 |
I locPres, tFld, sFld, |
| 488 |
O rhoDen, |
| 489 |
I myThid ) |
| 490 |
|
| 491 |
C !DESCRIPTION: \bv |
| 492 |
C *==========================================================* |
| 493 |
C | o SUBROUTINE FIND_RHODEN |
| 494 |
C | Calculates the denominator of the McDougall et al. |
| 495 |
C | equation of state |
| 496 |
C | - the code is more or less a copy of MOM4 |
| 497 |
C *==========================================================* |
| 498 |
C *==========================================================* |
| 499 |
C \ev |
| 500 |
|
| 501 |
C !USES: |
| 502 |
IMPLICIT NONE |
| 503 |
C == Global variables == |
| 504 |
#include "SIZE.h" |
| 505 |
#include "EEPARAMS.h" |
| 506 |
#include "PARAMS.h" |
| 507 |
#include "EOS.h" |
| 508 |
|
| 509 |
C !INPUT/OUTPUT PARAMETERS: |
| 510 |
C == Routine arguments == |
| 511 |
INTEGER iMin,iMax,jMin,jMax |
| 512 |
_RL locPres(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 513 |
_RL tFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 514 |
_RL sFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 515 |
_RL rhoDen (1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 516 |
INTEGER myThid |
| 517 |
|
| 518 |
C !LOCAL VARIABLES: |
| 519 |
C == Local variables == |
| 520 |
INTEGER i,j |
| 521 |
_RL t1, t2, s1, sp5, p1, p1t1 |
| 522 |
_RL den, epsln |
| 523 |
parameter ( epsln = 0. _d 0 ) |
| 524 |
CEOP |
| 525 |
DO j=jMin,jMax |
| 526 |
DO i=iMin,iMax |
| 527 |
C abbreviations |
| 528 |
t1 = tFld(i,j) |
| 529 |
t2 = t1*t1 |
| 530 |
s1 = sFld(i,j) |
| 531 |
IF ( s1 .GT. 0. _d 0 ) THEN |
| 532 |
sp5 = SQRT(s1) |
| 533 |
ELSE |
| 534 |
s1 = 0. _d 0 |
| 535 |
sp5 = 0. _d 0 |
| 536 |
ENDIF |
| 537 |
|
| 538 |
p1 = locPres(i,j)*SItodBar |
| 539 |
p1t1 = p1*t1 |
| 540 |
|
| 541 |
den = eosMDJWFden(0) |
| 542 |
& + t1*(eosMDJWFden(1) |
| 543 |
& + t1*(eosMDJWFden(2) |
| 544 |
& + t1*(eosMDJWFden(3) + t1*eosMDJWFden(4) ) ) ) |
| 545 |
& + s1*(eosMDJWFden(5) |
| 546 |
& + t1*(eosMDJWFden(6) |
| 547 |
& + eosMDJWFden(7)*t2) |
| 548 |
& + sp5*(eosMDJWFden(8) + eosMDJWFden(9)*t2) ) |
| 549 |
& + p1*(eosMDJWFden(10) |
| 550 |
& + p1t1*(eosMDJWFden(11)*t2 + eosMDJWFden(12)*p1) ) |
| 551 |
|
| 552 |
rhoDen(i,j) = 1.0/(epsln+den) |
| 553 |
|
| 554 |
ENDDO |
| 555 |
ENDDO |
| 556 |
|
| 557 |
RETURN |
| 558 |
END |
| 559 |
|
| 560 |
CBOP |
| 561 |
C !ROUTINE: LOOK_FOR_NEG_SALINITY |
| 562 |
C !INTERFACE: |
| 563 |
SUBROUTINE LOOK_FOR_NEG_SALINITY( |
| 564 |
I iMin, iMax, jMin, jMax, |
| 565 |
U sFld, |
| 566 |
I k, bi, bj, myThid ) |
| 567 |
|
| 568 |
C !DESCRIPTION: \bv |
| 569 |
C *==========================================================* |
| 570 |
C | o SUBROUTINE LOOK_FOR_NEG_SALINITY |
| 571 |
C | looks for and fixes negative salinity values |
| 572 |
C | this is necessary IF the equation of state uses |
| 573 |
C | the square root of salinity |
| 574 |
C *==========================================================* |
| 575 |
C | |
| 576 |
C | k - is the Salt level |
| 577 |
C | |
| 578 |
C *==========================================================* |
| 579 |
C \ev |
| 580 |
|
| 581 |
C !USES: |
| 582 |
IMPLICIT NONE |
| 583 |
C == Global variables == |
| 584 |
#include "SIZE.h" |
| 585 |
#include "EEPARAMS.h" |
| 586 |
#include "PARAMS.h" |
| 587 |
|
| 588 |
C !INPUT/OUTPUT PARAMETERS: |
| 589 |
C == Routine arguments == |
| 590 |
C k :: Level of Salt slice |
| 591 |
INTEGER bi,bj,iMin,iMax,jMin,jMax,k |
| 592 |
_RL sFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 593 |
INTEGER myThid |
| 594 |
|
| 595 |
C !LOCAL VARIABLES: |
| 596 |
C == Local variables == |
| 597 |
INTEGER i,j, localWarning |
| 598 |
c CHARACTER*(MAX_LEN_MBUF) msgBuf |
| 599 |
CEOP |
| 600 |
|
| 601 |
localWarning = 0 |
| 602 |
DO j=jMin,jMax |
| 603 |
DO i=iMin,iMax |
| 604 |
C abbreviations |
| 605 |
IF ( sFld(i,j) .LT. 0. _d 0 ) THEN |
| 606 |
localWarning = localWarning + 1 |
| 607 |
sFld(i,j) = 0. _d 0 |
| 608 |
ENDIF |
| 609 |
ENDDO |
| 610 |
ENDDO |
| 611 |
C issue a warning |
| 612 |
IF ( localWarning .GT. 0 ) THEN |
| 613 |
WRITE(standardMessageUnit,'(A,I6,A)') |
| 614 |
& 'S/R LOOK_FOR_NEG_SALINITY: found',localWarning, |
| 615 |
& ' negative salinity values and reset them to zero.' |
| 616 |
WRITE(standardMessageUnit,'(A,I3)') |
| 617 |
& 'S/R LOOK_FOR_NEG_SALINITY: current level is k = ', k |
| 618 |
ENDIF |
| 619 |
|
| 620 |
RETURN |
| 621 |
END |
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