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jmc |
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C $Header: /u/gcmpack/MITgcm/verification/fizhi-cs-aqualev20/code/ini_salt.F,v 1.1 2006/04/03 20:55:14 molod Exp $ |
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molod |
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C $Name: $ |
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#include "CPP_OPTIONS.h" |
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CBOP |
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C !ROUTINE: INI_SALT |
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C !INTERFACE: |
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SUBROUTINE INI_SALT ( myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE INI_SALT |
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C | o Set model initial salinity field. |
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C *==========================================================* |
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C | There are several options for setting the initial |
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C | temperature file |
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C | 1. Inline code |
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C | 2. Vertical profile ( uniform S in X and Y ) |
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C | 3. Three-dimensional data from a file. For example from |
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C | Levitus or from a checkpoint file from a previous |
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C | integration. |
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C | In addition to setting the salinity field we also |
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C | set the initial salinity tendency term here. |
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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 "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "DYNVARS.h" |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C myThid - Number of this instance of INI_SALT |
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INTEGER myThid |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C bi,bj - Loop counters |
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C I,J,K |
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INTEGER bi, bj |
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INTEGER I, J, K, localWarnings |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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CEOP |
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_RL pedyn(Nr+1), pdyn(Nr), pkappa(Nr) |
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integer Lbotij |
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_RL getcon, kappa, dum, pinmb |
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_RL temperature(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr,nSx,nSy) |
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_RL rhum(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr,nSx,nSy) |
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_RL qstar(1-Olx:sNx+Olx,1-Oly:sNy+Oly,Nr,nSx,nSy) |
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C Need to convert from input RH to q -- Need pressure, temperature |
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C Build pressures - we know there is no topography and eta = 0 |
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pedyn(1) = 100000. |
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do K = 2,Nr+1 |
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pedyn(K) = pedyn(K-1) - drF(K-1) |
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enddo |
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do K = 1,Nr |
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pdyn(K)=(pedyn(K+1)+pedyn(K))/2. |
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enddo |
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kappa = getcon('KAPPA') |
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do K = 1,Nr |
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pkappa(K)=(pdyn(K)/100000.)**kappa |
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enddo |
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C Now convert from theta to Temperature |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO K=1,Nr |
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DO J=1,sNy |
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DO I=1,sNx |
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temperature(I,J,K,bi,bj) = theta(I,J,K,bi,bj) * pkappa(K) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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C-- Initialise salinity field to the vertical reference profile |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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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,sNx+Olx |
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salt(I,J,K,bi,bj) = sRef(K) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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IF ( hydrogSaltFile .NE. ' ' ) THEN |
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_BEGIN_MASTER( myThid ) |
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CALL READ_FLD_XYZ_RL( hydrogSaltFile, ' ', rhum, 0, myThid ) |
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_END_MASTER(myThid) |
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C Now convert from rh to q |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO K=1,Nr-1 |
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DO J=1,sNy |
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DO I=1,sNx |
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pinmb = pdyn(K)/100. |
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call qsat(temperature(i,j,k,bi,bj),pinmb,qstar(i,j,k,bi,bj), |
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. dum,.false.) |
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salt(I,J,K,bi,bj) = rhum(i,j,k,bi,bj) * qstar(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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jmc |
1.2 |
_EXCH_XYZ_RL(salt , myThid ) |
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molod |
1.1 |
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ENDIF |
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C Apply mask and test consistancy |
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localWarnings=0 |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO K=1,Nr |
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DO J=1,sNy |
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DO I=1,sNx |
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IF (hFacC(I,J,K,bi,bj).EQ.0) salt(I,J,K,bi,bj) = 0. |
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IF (hFacC(I,J,K,bi,bj).NE.0.AND.salt(I,J,K,bi,bj).EQ.0. |
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& .AND. sRef(k).NE.0.) THEN |
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localWarnings=localWarnings+1 |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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IF (localWarnings.NE.0) THEN |
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WRITE(msgBuf,'(A,A)') |
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& 'S/R INI_SALT: salt = 0 identically. If this is intentional', |
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& 'you will need to edit ini_salt.F to avoid this safety check' |
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CALL PRINT_ERROR( msgBuf , myThid) |
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STOP 'ABNORMAL END: S/R INI_SALT' |
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ENDIF |
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CALL PLOT_FIELD_XYZRL( salt, 'Initial Salinity' , Nr, 1, myThid ) |
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RETURN |
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END |
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