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C $Header: $ |
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C $Name: $ |
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|
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#include "DIC_OPTIONS.h" |
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#include "GCHEM_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: CAR_FLUX |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE CAR_FLUX( bioac, cflux, |
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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 Calculate carbonate fluxes |
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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 "DYNVARS.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 "DIC_BIOTIC.h" |
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|
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C !INPUT PARAMETERS: =================================================== |
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C myThid :: thread number |
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C myIter :: current timestep |
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C myTime :: current time |
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C bioac :: biological productivity |
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INTEGER myIter |
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_RL myTime |
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INTEGER myThid |
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_RL bioac(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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INTEGER imin, imax, jmin, jmax, bi, bj |
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|
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C !OUTPUT PARAMETERS: =================================================== |
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C cflux :: carbonate flux |
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_RL cflux(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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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 ko :: loop-within-loop index |
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c caexport :: flux of carbonate from base each "productive" |
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c layer |
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c depth_u, depth_l :: depths of upper and lower interfaces |
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c flux_u, flux_l :: flux through upper and lower interfaces |
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c zbase :: depth of bottom of current productive layer |
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_RL caexport(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER I,J,k, ko |
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_RL depth_u, depth_l |
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_RL flux_u, flux_l |
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_RL zbase |
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CEOP |
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|
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c |
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c calculate carbonate flux from base of each nlev |
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DO j=jmin,jmax |
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DO i=imin,imax |
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DO k=1,nLev |
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if (hFacC(i,j,k,bi,bj).gt.0.d0) then |
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caexport(i,j)= R_cp*rain_ratio(i,j,bi,bj)*bioac(i,j,k)* |
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& (1.0-DOPfraction)*drF(k)*hFacC(i,j,k,bi,bj) |
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c calculate flux to each layer from base of k |
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zbase=-rF(k+1) |
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Do ko=k+1,Nr |
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if (hFacC(i,j,ko,bi,bj).gt.0.d0) then |
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depth_u=-rF(ko) |
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depth_l=depth_u+ |
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& drF(ko)*hFacC(i,j,ko,bi,bj) |
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flux_u=caexport(i,j)*exp(-(depth_u-zbase)/zca) |
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c no flux to ocean bottom |
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if (ko.eq.Nr) then |
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flux_l=0.d0 |
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else |
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if (hFacC(i,j,ko+1,bi,bj).eq.0.d0) then |
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flux_l=0.d0 |
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else |
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flux_l=caexport(i,j)*exp(-(depth_l-zbase)/zca) |
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endif |
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endif |
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cflux(i,j,ko)=cflux(i,j,ko) + |
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& ( (Flux_u-Flux_l)/(drF(ko)*hFacC(i,j,ko,bi,bj)) ) |
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else |
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c if no layer below initial layer, remineralize in place |
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if (ko.eq.k+1) cflux(i,j,k)=cflux(i,j,k) |
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& +bioac(i,j,k)*(1.0-DOPfraction)* |
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& R_cp*rain_ratio(i,j,bi,bj) |
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endif |
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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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c |
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#endif |
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#endif |
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RETURN |
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END |
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