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stephd |
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#include "CPP_OPTIONS.h" |
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#include "GCHEM_OPTIONS.h" |
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CStartOfInterFace |
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SUBROUTINE ALK_SURFFORCING( PTR_ALK , GALK, |
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I bi,bj,imin,imax,jmin,jmax, |
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I myIter,myTime,myThid) |
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C /==========================================================\ |
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C | SUBROUTINE ALK_SURFFORCING | |
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C | o Calculate the alkalinity change due to freshwater flux | |
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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 "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 "FFIELDS.h" |
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#include "DIC_ABIOTIC.h" |
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C == Routine arguments == |
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INTEGER myIter, myThid |
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_RL myTime |
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_RL PTR_ALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
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_RL GALK(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER iMin,iMax,jMin,jMax, bi, bj |
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#ifdef ALLOW_PTRACERS |
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#ifdef DIC_BIOTIC |
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C == Local variables == |
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INTEGER I,J |
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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 (maskC(i,j,1,bi,bj).NE.0.) THEN |
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c calculate virtual flux |
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c EminusPforV = dS/dt*(1/Sglob) |
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C NOTE: Be very careful with signs here! |
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C Positive EminusPforV => loss of water to atmos and increase |
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C in salinity. Thus, also increase in other surface tracers |
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C (i.e. positive virtual flux into surface layer) |
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cQQ GALK(i,j)=gsm_ALK*ftotflux(i,j,bi,bj)/gsm_S |
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GALK(i,j)=gsm_ALK*surfaceTendencyS(i,j,bi,bj)/gsm_S |
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c OR |
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c let virtual flux be zero |
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c GALK(i,j)=0.d0 |
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c |
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ELSE |
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GALK(i,j)=0. _d 0 |
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ENDIF |
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ENDDO |
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ENDDO |
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#endif |
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#endif |
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RETURN |
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END |
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