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C $Header: /u/gcmpack/MITgcm/pkg/cfc/cfc_fields_load.F,v 1.17 2011/04/17 21:01:36 jmc Exp $ |
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C $Name: $ |
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|
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#include "GCHEM_OPTIONS.h" |
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|
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CStartOfInterFace |
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SUBROUTINE CFC_FIELDS_LOAD ( |
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I myIter,myTime,myThid) |
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|
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C *==========================================================* |
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C | SUBROUTINE CFC_FIELDS_LOAD |
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C *==========================================================* |
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|
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IMPLICIT NONE |
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|
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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 "CFC.h" |
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#ifdef ALLOW_EXF |
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# include "EXF_FIELDS.h" |
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#endif |
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#ifdef ALLOW_SEAICE |
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# include "SEAICE.h" |
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#endif |
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|
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C == Routine arguments == |
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INTEGER myIter |
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_RL myTime |
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INTEGER myThid |
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|
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C == Local variables == |
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INTEGER intimeP, intime0, intime1 |
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INTEGER bi, bj, i, j |
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_RL aWght, bWght |
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_RL wind |
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|
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IF ( CFC_forcingCycle .GT. 0. _d 0 ) THEN |
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|
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C First call requires that we initialize everything to zero for safety |
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cQQQ need to check timing |
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IF ( myIter .EQ. nIter0 ) 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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CFC_ldRec(bi,bj) = 0 |
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ENDDO |
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ENDDO |
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CALL LEF_ZERO( wind0,myThid ) |
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CALL LEF_ZERO( wind1,myThid ) |
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CALL LEF_ZERO( atmosp0,myThid ) |
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CALL LEF_ZERO( atmosp1,myThid ) |
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CALL LEF_ZERO( ice0,myThid ) |
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CALL LEF_ZERO( ice1,myThid ) |
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ENDIF |
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|
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C-- Now calculate whether it is time to update the forcing arrays |
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CALL GET_PERIODIC_INTERVAL( |
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O intimeP, intime0, intime1, bWght, aWght, |
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I CFC_forcingCycle, CFC_forcingPeriod, |
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I deltaTclock, myTime, myThid ) |
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|
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bi = myBxLo(myThid) |
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bj = myByLo(myThid) |
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#ifdef ALLOW_DEBUG |
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IF ( debugLevel.GE.debLevB ) THEN |
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_BEGIN_MASTER(myThid) |
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WRITE(standardMessageUnit,'(A,I10,A,4I5,A,2F14.10)') |
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& ' CFC_FIELDS_LOAD,', myIter, |
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& ' : iP,iLd,i0,i1=', intimeP,CFC_ldRec(bi,bj), intime0,intime1, |
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& ' ; Wght=', bWght, aWght |
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_END_MASTER(myThid) |
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ENDIF |
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#endif /* ALLOW_DEBUG */ |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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C- assuming that we call S/R CFC_FIELDS_LOAD at each time-step and |
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C with increasing time, this will catch when we need to load new records; |
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C But with Adjoint run, this is not always the case => might end-up using |
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C the wrong time-records |
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IF ( intime0.NE.intimeP .OR. myIter.EQ.nIter0 ) THEN |
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#else /* ALLOW_AUTODIFF_TAMC */ |
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C- Make no assumption on sequence of calls to CFC_FIELDS_LOAD ; |
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C This is the correct formulation (works in Adjoint run). |
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C Unfortunatly, might produce many recomputations <== not used until it is fixed |
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IF ( intime1.NE.CFC_ldRec(bi,bj) ) THEN |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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|
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C-- If the above condition is met then we need to read in |
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C data for the period ahead and the period behind myTime. |
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IF ( debugLevel.GE.debLevZero ) THEN |
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_BEGIN_MASTER(myThid) |
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WRITE(standardMessageUnit,'(A,I10,A,2(2I5,A))') |
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& ' CFC_FIELDS_LOAD, it=', myIter, |
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& ' : Reading new data, i0,i1=', intime0, intime1, |
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& ' (prev=', intimeP, CFC_ldRec(bi,bj), ' )' |
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_END_MASTER(myThid) |
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ENDIF |
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|
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_BARRIER |
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|
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IF ( CFC_windFile .NE. ' ' .AND. .NOT.useEXF ) THEN |
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CALL READ_REC_XY_RS( CFC_windFile,wind0,intime0, |
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& myIter,myThid ) |
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CALL READ_REC_XY_RS( CFC_windFile,wind1,intime1, |
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& myIter,myThid ) |
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ENDIF |
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IF ( CFC_atmospFile .NE. ' ' ) THEN |
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CALL READ_REC_XY_RS( CFC_atmospFile,atmosp0,intime0, |
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& myIter,myThid ) |
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CALL READ_REC_XY_RS( CFC_atmospFile,atmosp1,intime1, |
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& myIter,myThid ) |
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ENDIF |
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IF ( CFC_iceFile .NE. ' ' .AND. .NOT.useSEAICE ) THEN |
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CALL READ_REC_XY_RS( CFC_iceFile,ice0,intime0, |
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& myIter,myThid ) |
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CALL READ_REC_XY_RS( CFC_iceFile,ice1,intime1, |
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& myIter,myThid ) |
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ENDIF |
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|
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IF (.NOT.useEXF) THEN |
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_EXCH_XY_RS(wind0, myThid ) |
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_EXCH_XY_RS(wind1, myThid ) |
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ENDIF |
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_EXCH_XY_RS(atmosp0, myThid ) |
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_EXCH_XY_RS(atmosp1, myThid ) |
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IF (.NOT.useSEAICE) THEN |
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_EXCH_XY_RS(ice0, myThid ) |
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_EXCH_XY_RS(ice1, myThid ) |
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ENDIF |
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|
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C- save newly loaded time-record |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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CFC_ldRec(bi,bj) = intime1 |
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ENDDO |
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ENDDO |
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|
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C-- end if-block for loading new time-records |
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ENDIF |
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|
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#ifdef ALLOW_EXF |
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IF ( useEXF ) 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 j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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C sh = max(wspeed,umin), with default umin=0.5m/s |
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C pisvel(i,j,bi,bj)=(0.31 _d 0*wspeed(i,j,bi,bj)**2)/3.6 _d 5 |
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pisvel(i,j,bi,bj)=(0.31 _d 0*sh(i,j,bi,bj)**2)/3.6 _d 5 |
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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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#else |
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IF (.TRUE.) THEN |
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#endif /* ALLOW_EXF */ |
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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 j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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IF ( CFC_windFile .NE. ' ' ) THEN |
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wind = bWght*wind0(i,j,bi,bj) |
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& +aWght*wind1(i,j,bi,bj) |
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ELSE |
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wind = 5. _d 0*maskC(i,j,1,bi,bj) |
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ENDIF |
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c calculate piston velocity |
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c QQ: note - we should have wind speed variance in here |
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c following Wannikof (1992) |
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pisvel(i,j,bi,bj)=(0.31 _d 0*wind**2)/3.6 _d 5 |
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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 |
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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 j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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IF ( CFC_atmospFile .NE. ' ' ) THEN |
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ATMOSP(i,j,bi,bj) = bWght*atmosp0(i,j,bi,bj) |
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& +aWght*atmosp1(i,j,bi,bj) |
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ELSE |
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ATMOSP(i,j,bi,bj) = maskC(i,j,1,bi,bj) |
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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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#ifdef ALLOW_SEAICE |
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IF (useSEAICE) 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 j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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FIce(I,J,bi,bj) = AREA(I,J,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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ELSE |
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#else |
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IF (.TRUE.) THEN |
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#endif /* ALLOW_SEAICE */ |
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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 j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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IF ( CFC_iceFile .NE. ' ' ) THEN |
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FIce(i,j,bi,bj) = bWght*ice0(i,j,bi,bj) |
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& +aWght*ice1(i,j,bi,bj) |
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ELSE |
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FIce(i,j,bi,bj) =0. _d 0 |
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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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ENDIF |
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|
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C endif for periodicForcing |
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ENDIF |
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|
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RETURN |
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END |
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