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C $Header: /u/gcmpack/MITgcm/model/src/ini_theta.F,v 1.28 2009/10/15 01:06:51 jmc Exp $ |
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C $Name: $ |
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#include "PACKAGES_CONFIG.h" |
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#include "CPP_OPTIONS.h" |
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CBOP |
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C !ROUTINE: INI_THETA |
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C !INTERFACE: |
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SUBROUTINE INI_THETA( myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE INI_THETA |
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C | o Set model initial temperature 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 T 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 temperature field we also |
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C | set the initial temperature 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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#ifdef ALLOW_MNC |
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#include "MNC_PARAMS.h" |
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#endif |
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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_THETA |
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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 :: Tile indices |
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C i,j,k :: Loop counters |
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INTEGER bi, bj |
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INTEGER i, j, k, localWarnings |
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_RL Tfreezing |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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CEOP |
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C-- Initialise temperature 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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theta(i,j,k,bi,bj) = tRef(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 ( hydrogThetaFile .NE. ' ' ) THEN |
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#ifdef ALLOW_MNC |
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IF ( useMNC.AND.mnc_read_theta ) THEN |
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CALL MNC_FILE_CLOSE_ALL_MATCHING(hydrogThetaFile, myThid) |
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CALL MNC_CW_SET_UDIM(hydrogThetaFile, 1, myThid) |
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CALL MNC_CW_SET_CITER(hydrogThetaFile, 2, -1, -1, -1, myThid) |
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CALL MNC_CW_SET_UDIM(hydrogThetaFile, 1, myThid) |
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CALL MNC_CW_RL_R('D',hydrogThetaFile,0,0,'Temp',theta,myThid) |
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CALL MNC_FILE_CLOSE_ALL_MATCHING(hydrogThetaFile, myThid) |
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ELSE |
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#endif /* ALLOW_MNC */ |
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CALL READ_FLD_XYZ_RL( hydrogThetaFile, ' ', theta, 0, myThid ) |
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#ifdef ALLOW_MNC |
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ENDIF |
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#endif /* ALLOW_MNC */ |
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_EXCH_XYZ_RL(theta,myThid) |
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ENDIF |
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C-- Apply mask and test consistency |
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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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IF ( maskIniTemp ) THEN |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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IF (maskC(i,j,k,bi,bj).EQ.0.) theta(i,j,k,bi,bj) = 0. |
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ENDDO |
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ENDDO |
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ENDIF |
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IF ( tRef(k).NE.0. ) THEN |
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DO j=1,sNy |
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DO i=1,sNx |
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IF ( maskC(i,j,k,bi,bj).NE.0. |
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& .AND. theta(i,j,k,bi,bj).EQ.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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ENDIF |
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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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IF ( checkIniTemp ) THEN |
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WRITE(msgBuf,'(A,I10,A)') |
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& ' INI_THETA: found', localWarnings, |
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& ' wet grid-pts with theta=0 identically.' |
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CALL PRINT_ERROR( msgBuf , myThid) |
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WRITE(msgBuf,'(A,A)') |
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& ' If this is intentional, you need to', |
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& ' set checkIniTemp=.false. in "data", namelist PARM05' |
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CALL PRINT_ERROR( msgBuf , myThid) |
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STOP 'ABNORMAL END: S/R INI_THETA' |
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ELSE |
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WRITE(msgBuf,'(A,I10,A)') |
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& '** WARNINGS ** INI_THETA: found', localWarnings, |
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& ' wet grid-pts with theta=0 identically.' |
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CALL PRINT_MESSAGE( msgBuf, errorMessageUnit, |
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& SQUEEZE_RIGHT, myThid ) |
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ENDIF |
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ENDIF |
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C-- Check that there are no values of temperature below freezing point. |
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Tfreezing=-1.9 _d 0 |
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IF ( allowFreezing ) THEN |
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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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IF (theta(i,j,k,bi,bj) .LT. Tfreezing) THEN |
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theta(i,j,k,bi,bj) = Tfreezing |
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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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ENDIF |
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C-- Stick a tracer anomaly at K=Nr |
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DO i=1,100 |
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theta(i,1,Nr,1,1) = theta(i,1,Nr,1,1)+ |
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& EXP(-(DBLE(I)-50.)**2./400.)*100. |
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ENDDO |
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IF (debugMode) THEN |
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CALL PLOT_FIELD_XYZRL( theta, 'Initial Temperature', |
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& Nr, 1, myThid ) |
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ENDIF |
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RETURN |
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END |
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