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C $Header: /u/gcmpack/MITgcm/pkg/dic/dic_biotic_forcing.F,v 1.31 2014/12/08 22:59:04 jmc Exp $ |
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C $Name: $ |
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|
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#include "DIC_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: DIC_BIOTIC_FORCING |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE DIC_BIOTIC_FORCING( |
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U PTR_DIC, PTR_ALK, PTR_PO4, PTR_DOP, |
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#ifdef ALLOW_O2 |
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U PTR_O2, |
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#endif |
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#ifdef ALLOW_FE |
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U PTR_FE, |
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#endif |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I myIter, myTime, myThid ) |
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|
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C !DESCRIPTION: |
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C updates all the tracers for the effects of air-sea exchange, biological |
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c activity and remineralization |
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|
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C !USES: =============================================================== |
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IMPLICIT NONE |
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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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#include "DIC_VARS.h" |
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#include "PTRACERS_SIZE.h" |
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#include "PTRACERS_PARAMS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: =================================================== |
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C PTR_DIC :: dissolced inorganic carbon |
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C PTR_ALK :: alkalinity |
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C PTR_PO4 :: phosphate |
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c PTR_DOP :: dissolve organic phosphurous |
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c PTR_O2 :: oxygen |
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C PTR_FE :: iron |
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c bi, bj :: current tile indices |
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C myIter :: current timestep |
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C myTime :: current time |
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C myThid :: thread number |
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_RL PTR_DIC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL PTR_ALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL PTR_PO4(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL PTR_DOP(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#ifdef ALLOW_O2 |
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_RL PTR_O2(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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#ifdef ALLOW_FE |
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_RL PTR_FE(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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INTEGER bi, bj, iMin, iMax, jMin, jMax |
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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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#ifdef ALLOW_PTRACERS |
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#ifdef DIC_BIOTIC |
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|
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C !LOCAL VARIABLES: ==================================================== |
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C i,j,k :: loop indices |
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C G* :: tendency term for the tracers |
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C SURA :: tendency of alkalinity due to freshwater |
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C SURC :: tendency of DIC due to air-sea exchange |
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C and virtual flux |
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C SURO :: tendency of O2 due to air-sea exchange |
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C GPO4 :: tendency of PO4 due to biological productivity, |
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C exchange with DOP pool and reminerization |
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C CAR :: carbonate changes due to biological |
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C productivity and remineralization |
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C BIOac :: biological productivity |
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C RDOP :: DOP sink due to remineralization |
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C pflux :: changes to PO4 due to flux and remineralization |
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C CAR_S :: carbonate sink |
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C cflux :: carbonate changes due to flux and remineralization |
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C freefe :: iron not bound to ligand |
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_RL GDIC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL GALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL GPO4(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL GDOP(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL SURA(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL SURC(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL SURO(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL CAR(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL BIOac(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL RDOP(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL pflux(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL exportflux(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL CAR_S(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL cflux(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#ifdef ALLOW_O2 |
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_RL GO2(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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#ifdef ALLOW_FE |
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_RL GFE(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL freefe(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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#endif |
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INTEGER i,j,k |
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#ifdef CAR_DISS |
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INTEGER nCALCITEstep |
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#endif |
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#ifdef ALLOW_FE |
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# ifdef SEDFE |
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INTEGER kBottom |
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# endif |
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#endif |
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CEOP |
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|
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_ENTER('DIC_BIOTIC_FORCING',myThid) |
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#endif |
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|
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IF ( useThSIce .OR. useSEAICE .OR. useCoupler ) THEN |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('DIC_FIELDS_UPDATE',myThid) |
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#endif |
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CALL DIC_FIELDS_UPDATE( |
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I bi, bj, myTime, myIter, myThid ) |
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ENDIF |
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|
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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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RDOP(i,j,k) =0. _d 0 |
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GDIC(i,j,k) =0. _d 0 |
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GALK(i,j,k) =0. _d 0 |
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GPO4(i,j,k) =0. _d 0 |
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GDOP(i,j,k) =0. _d 0 |
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CAR(i,j,k) =0. _d 0 |
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BIOac(i,j,k) =0. _d 0 |
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pflux(i,j,k) =0. _d 0 |
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exportflux(i,j,k)=0. _d 0 |
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cflux(i,j,k) =0. _d 0 |
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CAR_S(i,j,k) =0. _d 0 |
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#ifdef ALLOW_O2 |
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GO2(i,j,k) =0. _d 0 |
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#endif |
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#ifdef ALLOW_FE |
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GFE(i,j,k) =0. _d 0 |
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C no longer needed after adding full initialisation of freefe in S/R FE_CHEM |
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c freefe(i,j,k) =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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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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SURA(i,j) =0. _d 0 |
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SURC(i,j) =0. _d 0 |
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SURO(i,j) =0. _d 0 |
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ENDDO |
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ENDDO |
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|
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C carbon air-sea interaction |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('DIC_SURFFORCING',myThid) |
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#endif |
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CALL DIC_SURFFORCING( |
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I PTR_DIC, PTR_ALK, PTR_PO4, |
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O SURC, |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I myIter, myTime, myThid ) |
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|
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C alkalinity air-sea interaction |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('ALK_SURFFORCING',myThid) |
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#endif |
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CALL ALK_SURFFORCING( |
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I PTR_ALK, |
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O SURA, |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I myIter, myTime, myThid ) |
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|
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#ifdef ALLOW_O2 |
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C oxygen air-sea interaction |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('O2_SURFFORCING',myThid) |
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#endif |
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CALL O2_SURFFORCING( |
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I PTR_O2, |
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O SURO, |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I myIter, myTime, myThid ) |
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#endif |
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|
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#ifdef ALLOW_FE |
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C find free iron |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('FE_CHEM',myThid) |
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#endif |
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CALL FE_CHEM( bi, bj, iMin, iMax, jMin, jMax, |
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U PTR_FE, |
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O freefe, |
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I myIter, myThid ) |
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#endif |
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|
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C biological activity |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('BIO_EXPORT',myThid) |
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#endif |
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CALL BIO_EXPORT( |
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I PTR_PO4, |
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#ifdef ALLOW_FE |
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I PTR_FE, |
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#endif |
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O BIOac, |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I myIter, myTime, myThid ) |
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|
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C flux of po4 from layers with biological activity |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('PHOS_FLUX',myThid) |
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#endif |
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CALL PHOS_FLUX( |
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I BIOac, |
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U pflux, exportflux, |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I myIter, myTime, myThid ) |
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|
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C- Carbonate sink |
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DO k=1,Nr |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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CAR_S(i,j,k)=BIOac(i,j,k)*R_CP*rain_ratio(i,j,bi,bj)* |
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& (1. _d 0-DOPfraction) |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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C carbonate |
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#ifdef CAR_DISS |
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C dissolution only below saturation horizon |
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C code following method by Karsten Friis |
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nCALCITEstep = 3600 |
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IF(myIter .lt. (nIter0+5) .or. |
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& mod(myIter,nCALCITEstep) .eq. 0)THEN |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('CALCITE_SATURATION',myThid) |
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#endif |
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CALL CALCITE_SATURATION( |
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I PTR_DIC, PTR_ALK, PTR_PO4, |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I myIter, myTime, myThid ) |
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ENDIF |
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|
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('CAR_FLUX_OMEGA_TOP',myThid) |
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#endif |
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CALL CAR_FLUX_OMEGA_TOP( |
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I BIOac, |
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O cflux, |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I myIter, myTime, myThid ) |
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#else |
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C old OCMIP way |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL('CAR_FLUX',myThid) |
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#endif |
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CALL CAR_FLUX( |
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I CAR_S, |
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U cflux, |
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I bi, bj, iMin, iMax, jMin, jMax, |
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I myIter, myTime, myThid ) |
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#endif |
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|
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C add all tendencies for PO4, DOP, ALK, DIC |
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DO k=1,Nr |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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#ifdef DIC_NO_NEG |
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RDOP(i,j,k)= MAX(maskC(i,j,k,bi,bj)*KDOPRemin*PTR_DOP(i,j,k) |
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& ,0. _d 0) |
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#else |
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RDOP(i,j,k)= maskC(i,j,k,bi,bj)*KDOPRemin*PTR_DOP(i,j,k) |
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#endif |
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GPO4(i,j,k)=-BIOac(i,j,k)+pflux(i,j,k) + RDOP(i,j,k) |
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|
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car(i,j,k) = cflux(i,j,k) - CAR_S(i,j,k) |
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|
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GDOP(i,j,k)=+BIOac(i,j,k)*DOPfraction - RDOP(i,j,k) |
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|
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GALK(i,j,k)=+2. _d 0 *car(i,j,k)-R_NP*GPO4(i,j,k) |
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|
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GDIC(i,j,k)=car(i,j,k)+R_CP*GPO4(i,j,k) |
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|
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#ifdef ALLOW_O2 |
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if (PTR_O2(i,j,k).GT.O2crit) then |
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GO2(i,j,k)= R_OP*GPO4(i,j,k) |
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else |
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GO2(i,j,k)= 0. _d 0 |
296 |
endif |
297 |
#endif |
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#ifdef ALLOW_FE |
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GFE(i,j,k) = R_FeP*GPO4(i,j,k) |
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& -Kscav*freefe(i,j,k) |
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#endif |
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ENDDO |
303 |
ENDDO |
304 |
ENDDO |
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|
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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GALK(i,j,1)=GALK(i,j,1)+SURA(i,j) |
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GDIC(i,j,1)=GDIC(i,j,1)+SURC(i,j) |
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#ifdef ALLOW_O2 |
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GO2(i,j,1) =GO2(i,j,1)+SURO(i,j) |
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#endif |
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#ifdef ALLOW_FE |
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GFE(i,j,1)=GFE(i,j,1)+alpfe* |
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& InputFe(i,j,bi,bj)*recip_drF(1) |
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& *recip_hFacC(i,j,1,bi,bj) |
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# ifdef SEDFE |
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C include iron sediment source using the flux of po4 into bottom layer |
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kBottom = MAX(kLowC(i,j,bi,bj),1) |
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GFE(i,j,kBottom)=GFE(i,j,kBottom) |
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& +( fesedflux_pcm*pflux(i,j,kBottom) + FeIntSec ) |
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& *recip_drF(kBottom)*recip_hFacC(i,j,kBottom,bi,bj) |
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# endif |
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#endif |
325 |
ENDDO |
326 |
ENDDO |
327 |
|
328 |
IF ( useOBCS ) THEN |
329 |
DO k=1,Nr |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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GDIC(i,j,k) = GDIC(i,j,k)*maskInC(i,j,bi,bj) |
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GALK(i,j,k) = GALK(i,j,k)*maskInC(i,j,bi,bj) |
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GPO4(i,j,k) = GPO4(i,j,k)*maskInC(i,j,bi,bj) |
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GDOP(i,j,k) = GDOP(i,j,k)*maskInC(i,j,bi,bj) |
336 |
#ifdef ALLOW_O2 |
337 |
GO2(i,j,k) = GO2(i,j,k)*maskInC(i,j,bi,bj) |
338 |
#endif |
339 |
#ifdef ALLOW_FE |
340 |
GFE(i,j,k) = GFE(i,j,k)*maskInC(i,j,bi,bj) |
341 |
#endif |
342 |
ENDDO |
343 |
ENDDO |
344 |
ENDDO |
345 |
ENDIF |
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|
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C update |
348 |
DO k=1,Nr |
349 |
DO j=jMin,jMax |
350 |
DO i=iMin,iMax |
351 |
PTR_DIC(i,j,k)= |
352 |
& PTR_DIC(i,j,k)+GDIC(i,j,k)*PTRACERS_dTLev(k) |
353 |
PTR_ALK(i,j,k)= |
354 |
& PTR_ALK(i,j,k)+GALK(i,j,k)*PTRACERS_dTLev(k) |
355 |
PTR_PO4(i,j,k)= |
356 |
& PTR_PO4(i,j,k)+GPO4(i,j,k)*PTRACERS_dTLev(k) |
357 |
PTR_DOP(i,j,k)= |
358 |
& PTR_DOP(i,j,k)+GDOP(i,j,k)*PTRACERS_dTLev(k) |
359 |
#ifdef ALLOW_O2 |
360 |
PTR_O2(i,j,k)= |
361 |
& PTR_O2(i,j,k)+GO2(i,j,k)*PTRACERS_dTLev(k) |
362 |
#endif |
363 |
#ifdef ALLOW_FE |
364 |
PTR_FE(i,j,k)= |
365 |
& PTR_FE(i,j,k)+GFE(i,j,k)*PTRACERS_dTLev(k) |
366 |
#endif |
367 |
ENDDO |
368 |
ENDDO |
369 |
ENDDO |
370 |
|
371 |
#ifdef ALLOW_FE |
372 |
#ifdef MINFE |
373 |
c find free iron and get rid of insoluble part |
374 |
#ifdef ALLOW_DEBUG |
375 |
IF (debugMode) CALL DEBUG_CALL('FE_CHEM',myThid) |
376 |
#endif |
377 |
CALL FE_CHEM( bi, bj, iMin, iMax, jMin, jMax, |
378 |
U PTR_FE, |
379 |
O freefe, |
380 |
I myIter, myThid ) |
381 |
#endif |
382 |
#endif |
383 |
|
384 |
#ifdef ALLOW_TIMEAVE |
385 |
C save averages |
386 |
IF ( PTRACERS_taveFreq.GT.0. ) THEN |
387 |
DO k=1,Nr |
388 |
DO j=jMin,jMax |
389 |
DO i=iMin,iMax |
390 |
BIOave(i,j,k,bi,bj) =BIOave(i,j,k,bi,bj)+ |
391 |
& BIOac(i,j,k)*deltaTClock |
392 |
CARave(i,j,k,bi,bj) =CARave(i,j,k,bi,bj)+ |
393 |
& CAR(i,j,k)*deltaTClock |
394 |
OmegaCave(i,j,k,bi,bj)=OmegaCave(i,j,k,bi,bj)+ |
395 |
& OmegaC(i,j,k,bi,bj)*deltaTClock |
396 |
pfluxave(i,j,k,bi,bj) =pfluxave(i,j,k,bi,bj) + |
397 |
& pflux(i,j,k)*deltaTClock |
398 |
epfluxave(i,j,k,bi,bj)=epfluxave(i,j,k,bi,bj) + |
399 |
& exportflux(i,j,k)*deltaTClock |
400 |
cfluxave(i,j,k,bi,bj) =cfluxave(i,j,k,bi,bj) + |
401 |
& cflux(i,j,k)*deltaTClock |
402 |
ENDDO |
403 |
ENDDO |
404 |
ENDDO |
405 |
DO j=jMin,jMax |
406 |
DO i=iMin,iMax |
407 |
SURave(i,j,bi,bj) =SURave(i,j,bi,bj)+ |
408 |
& SURC(i,j)*deltaTClock |
409 |
#ifdef ALLOW_O2 |
410 |
SUROave(i,j,bi,bj) =SUROave(i,j,bi,bj)+ |
411 |
& SURO(i,j)*deltaTClock |
412 |
#endif |
413 |
pCO2ave(i,j,bi,bj) =pCO2ave(i,j,bi,bj)+ |
414 |
& pCO2(i,j,bi,bj)*deltaTClock |
415 |
pHave(i,j,bi,bj) =pHave(i,j,bi,bj)+ |
416 |
& pH(i,j,bi,bj)*deltaTClock |
417 |
fluxCO2ave(i,j,bi,bj)=fluxCO2ave(i,j,bi,bj)+ |
418 |
& fluxCO2(i,j,bi,bj)*deltaTClock |
419 |
ENDDO |
420 |
ENDDO |
421 |
DIC_timeAve(bi,bj) = DIC_timeAve(bi,bj)+deltaTClock |
422 |
ENDIF |
423 |
#endif /* ALLOW_TIMEAVE*/ |
424 |
|
425 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
426 |
|
427 |
#ifdef ALLOW_DIAGNOSTICS |
428 |
IF ( useDiagnostics ) THEN |
429 |
CALL DIAGNOSTICS_FILL(BIOac ,'DICBIOA ',0,Nr,2,bi,bj,myThid) |
430 |
CALL DIAGNOSTICS_FILL(CAR ,'DICCARB ',0,Nr,2,bi,bj,myThid) |
431 |
CALL DIAGNOSTICS_FILL(pCO2 ,'DICPCO2 ',0,1 ,1,bi,bj,myThid) |
432 |
CALL DIAGNOSTICS_FILL(fluxCO2,'DICCFLX ',0,1 ,1,bi,bj,myThid) |
433 |
CALL DIAGNOSTICS_FILL(pH ,'DICPHAV ',0,1 ,1,bi,bj,myThid) |
434 |
CALL DIAGNOSTICS_FILL(SURC ,'DICTFLX ',0,1 ,2,bi,bj,myThid) |
435 |
#ifdef ALLOW_O2 |
436 |
CALL DIAGNOSTICS_FILL(SURO ,'DICOFLX ',0,1 ,2,bi,bj,myThid) |
437 |
#endif |
438 |
ENDIF |
439 |
#endif /* ALLOW_DIAGNOSTICS */ |
440 |
|
441 |
#ifdef ALLOW_DEBUG |
442 |
IF (debugMode) CALL DEBUG_LEAVE('DIC_BIOTIC_FORCING',myThid) |
443 |
#endif |
444 |
|
445 |
#endif /* DIC_BIOTIC */ |
446 |
#endif /* ALLOW_PTRACERS */ |
447 |
|
448 |
RETURN |
449 |
END |