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C $Header: /u/gcmpack/MITgcm/pkg/aim_v23/aim_do_co2.F,v 1.5 2009/06/26 17:52:18 jmc Exp $ |
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C $Name: $ |
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#include "AIM_OPTIONS.h" |
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CStartOfInterface |
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SUBROUTINE AIM_DO_CO2( myTime, myIter, myThid) |
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C *==========================================================* |
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C | S/R AIM_DO_CO2 | |
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C | o CO2 budget of the atmosphere | |
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C *==========================================================* |
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IMPLICIT NONE |
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C == Global data == |
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C-- size for MITgcm & Physics package : |
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#include "AIM_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 "SURFACE.h" |
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#include "AIM2DYN.h" |
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#include "AIM_CO2.h" |
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C-- Coupled to the Ocean : |
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#ifdef COMPONENT_MODULE |
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#include "CPL_PARAMS.h" |
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#include "ATMCPL.h" |
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#endif |
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1.1 |
C == Routine arguments == |
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C myTime - Current time of simulation ( s ) |
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C myIter - Current iteration number in simulation |
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C myThid - Number of this instance of the routine |
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INTEGER myIter, myThid |
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1.1 |
_RL myTime |
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CEndOfInterface |
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#ifdef ALLOW_AIM |
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#ifdef ALLOW_AIM_CO2 |
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1.4 |
INTEGER ILNBLNK, IFNBLNK, MDS_RECLEN |
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EXTERNAL ILNBLNK, IFNBLNK, MDS_RECLEN |
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C == Local variables == |
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C bi,bj - Tile index |
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C i,j - loop counters |
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INTEGER bi, bj, i, j |
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INTEGER iUnit, length_of_rec |
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_RL total_flux, atpco2_check |
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Real*8 tmpco2(2) |
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_RL flxCO2tile(nSx,nSy) |
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1.1 |
LOGICAL permCheckPoint |
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LOGICAL DIFFERENT_MULTIPLE |
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EXTERNAL DIFFERENT_MULTIPLE |
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CHARACTER*(MAX_LEN_FNAM) fn, msgBuf |
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INTEGER ilo,ihi |
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#ifdef COMPONENT_MODULE |
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IF ( useImportFlxCO2 ) 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,sNy |
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DO i=1,sNx |
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aimflxCo2(i,j,bi,bj) = flxCO2ocn(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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ENDIF |
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#endif /* COMPONENT_MODULE */ |
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IF ( Aim_CO2_Flag .EQ. 1 .AND. myTime .EQ. starttime ) THEN |
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_BEGIN_MASTER(myThid) |
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atm_pCO2 = atmpCO2init |
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_END_MASTER(myThid) |
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_BARRIER |
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ELSEIF ( Aim_CO2_Flag .EQ. 2 ) THEN |
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C- First compute global mole flux at air-sea interface |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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flxCO2tile(bi,bj) = 0. _d 0 |
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DO j=1,sNy |
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DO i=1,sNx |
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flxCO2tile(bi,bj)=flxCO2tile(bi,bj) + aimflxCo2(i,j,bi,bj) |
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& * rA(i,j,bi,bj) * deltaT |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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CALL GLOBAL_SUM_TILE_RL(flxCO2tile,total_flux,myThid) |
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_BARRIER |
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_BEGIN_MASTER(myThid) |
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IF ( startTime.EQ.baseTime .AND. nIter0.EQ.0 ) THEN |
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C- If first iteration, use atmpCO2init as initial condition |
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atm_pCO2 = atmpCO2init |
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Atm_CO2_Moles = atm_pCO2 * total_atmos_moles |
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ELSEIF ( myTime .EQ. starttime ) THEN |
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C- If restart, read moles number from pickup |
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WRITE(fn,'(A,I10.10)') 'pickup_aimCo2.',nIter0 |
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ilo = IFNBLNK(fn) |
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ihi = ILNBLNK(fn) |
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CALL MDSFINDUNIT( iUnit, myThid ) |
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length_of_rec = MDS_RECLEN( precFloat64, 2, myThid ) |
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OPEN(UNIT=iUnit,FILE=fn(ilo:ihi),STATUS='old', |
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& FORM='UNFORMATTED',ACCESS='DIRECT',RECL=length_of_rec) |
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READ(iUnit,rec=1) tmpco2 |
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CLOSE(iUnit) |
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#ifdef _BYTESWAPIO |
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CALL MDS_BYTESWAPR8( 2, tmpco2 ) |
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#endif |
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Atm_CO2_Moles = tmpco2(1) |
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atpco2_check = tmpco2(2) |
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atm_pCO2 = Atm_CO2_Moles / total_atmos_moles |
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iUnit = standardMessageUnit |
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WRITE(msgBuf,'(A)') ' ' |
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CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,myThid) |
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WRITE(msgBuf,'(A)') '// ===================================' |
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CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,myThid) |
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WRITE(msgBuf,'(2A)') '// AIM_DO_CO2: Read pickup ',fn(ilo:ihi) |
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CALL PRINT_MESSAGE(msgBuf,iUnit,SQUEEZE_RIGHT,myThid) |
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CALL WRITE_0D_RL( atpco2_check, INDEX_NONE, 'atpco2_check =', |
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& ' /* pCo2 from pickup file */') |
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CALL WRITE_0D_RL( atm_pCO2, INDEX_NONE, 'atm_pCO2 =', |
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& ' /* pCo2 from Atm_CO2_Moles */') |
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c ELSE |
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c WRITE(msgBuf,'(A)') 'AIM_DO_CO2: How did you end up here?' |
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c CALL PRINT_ERROR( msgBuf , myThid) |
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c STOP 'ABNORMAL END: S/R AIM_DO_CO2' |
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ENDIF |
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C- Calculate new atmos pCO2 |
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Atm_CO2_Moles = Atm_CO2_Moles - total_flux |
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atm_pCO2 = Atm_CO2_Moles / total_atmos_moles |
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C- Write out if time for a new pickup |
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permCheckPoint = .FALSE. |
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permCheckPoint = |
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& DIFFERENT_MULTIPLE(pChkptFreq,myTime+deltaTClock,deltaTClock) |
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& .AND. (myTime .NE. starttime) |
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IF (permCheckPoint) THEN |
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DO i = 1,MAX_LEN_FNAM |
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fn(i:i) = ' ' |
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ENDDO |
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WRITE(fn,'(A,I10.10)') 'pickup_aimCo2.',myIter+1 |
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C- write values to new pickup |
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CALL MDSFINDUNIT( iUnit, myThid ) |
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length_of_rec = MDS_RECLEN( precFloat64, 2, myThid ) |
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OPEN(UNIT=iUnit,FILE=fn,STATUS='unknown', |
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& FORM='UNFORMATTED',ACCESS='DIRECT',RECL=length_of_rec) |
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tmpco2(1)= Atm_CO2_Moles |
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tmpco2(2)= atm_pCO2 |
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WRITE(iUnit,rec=1) tmpco2 |
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CLOSE(iUnit) |
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ENDIF |
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_END_MASTER(myThid) |
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_BARRIER |
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C--- end of Aim_CO2_Flag IF. |
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ENDIF |
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#endif /* ALLOW_AIM_CO2 */ |
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#endif /* ALLOW_AIM */ |
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RETURN |
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END |
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