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adcroft |
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C $Header: /u/gcmpack/models/MITgcmUV/verification/hs94.1x64x5/code/Attic/ini_theta.F,v 1.1.2.1 2001/01/23 16:23:06 adcroft Exp $ |
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#include "CPP_OPTIONS.h" |
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CStartOfInterface |
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SUBROUTINE INI_THETA( myThid ) |
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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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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 == 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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CEndOfInterface |
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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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_RL term1,term2,thetaLim,thetaEq |
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_RL thKappa,rSurf |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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_BARRIER |
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IF ( hydrogThetaFile .EQ. ' ' ) THEN |
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C-- Initialise temperature field to Held & Saurez equilibrium theta |
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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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rSurf=1.E5 |
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thKappa = 2./7. |
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thetaLim = 200. / ((rC(K)/rSurf)**thKappa) |
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C thetaLim = 170. / ((rC(K)/rSurf)**thKappa) |
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DO J=1,sNy |
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term1=60.*(sin(yC(1,J,bi,bj)*deg2rad)**2) |
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term2=10.*log((rC(K)/rSurf)) |
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& *(cos(yC(1,J,bi,bj)*deg2rad)**2) |
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thetaEq=315.-term1-term2 |
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DO I=1,sNx |
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theta(I,J,K,bi,bj) = MAX( thetaLim, thetaEq ) |
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C 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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ELSE |
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_BEGIN_MASTER( myThid ) |
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CALL READ_FLD_XYZ_RL( hydrogThetaFile, ' ', theta, 0, myThid ) |
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_END_MASTER(myThid) |
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ENDIF |
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C Set initial tendency terms |
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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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gt (I,J,K,bi,bj) = 0. _d 0 |
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gtNM1(I,J,K,bi,bj) = 0. _d 0 |
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IF (hFacC(I,J,K,bi,bj).EQ.0) theta(I,J,K,bi,bj) = 0. |
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IF (hFacC(I,J,K,bi,bj).NE.0.AND.theta(I,J,K,bi,bj).EQ.0.) |
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& 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_THETA: theta = 0 identically. If this is intentional', |
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& 'you will need to edit ini_theta.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_THETA' |
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ENDIF |
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C |
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_EXCH_XYZ_R8(theta , myThid ) |
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_EXCH_XYZ_R8(gt , myThid ) |
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_EXCH_XYZ_R8(gtNM1 , myThid ) |
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CALL PLOT_FIELD_XYZRL( theta, 'Initial Temperature' , |
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& Nr, 1, myThid ) |
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RETURN |
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END |
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