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C $Header: /u/gcmpack/MITgcm/pkg/ptracers/ptracers_apply_forcing.F,v 1.3 2016/08/23 18:29:49 jahn Exp $ |
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C $Name: $ |
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|
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#include "PTRACERS_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: PTRACERS_APPLY_FORCING |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE PTRACERS_APPLY_FORCING( |
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U gPtracer, |
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I surfForcPtr, |
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I iMin,iMax,jMin,jMax, k, bi, bj, |
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I iTracer, myTime, myIter, myThid ) |
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|
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C !DESCRIPTION: |
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C Apply passive tracer forcing, i.e., sources and sinks of tracer, |
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C by adding forcing terms to the tendency array |
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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 "PTRACERS_SIZE.h" |
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#include "PTRACERS_PARAMS.h" |
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#include "PTRACERS_FIELDS.h" |
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|
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C !INPUT PARAMETERS: =================================================== |
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C gPtracer :: the tendency array |
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C surfForcPtr :: surface forcing term |
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C iMin iMax jMin jMax :: working range of tile for applying forcing |
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C k :: vertical level number |
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C bi,bj :: tile indices |
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C iTracer :: tracer number |
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C myIter :: time-step number |
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C myTime :: model time |
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C myThid :: thread number |
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_RL gPtracer (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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_RL surfForcPtr(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
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INTEGER iMin,iMax,jMin,jMax |
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INTEGER k, bi,bj, iTracer |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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|
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C !OUTPUT PARAMETERS: ================================================== |
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C gPtracer :: updates tendency array |
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|
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#ifdef ALLOW_PTRACERS |
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|
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C !LOCAL VARIABLES: ==================================================== |
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C i,j :: loop indices |
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INTEGER i,j |
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C number of surface interface layer |
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INTEGER kSurface |
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CEOP |
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|
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IF ( usingPCoords ) THEN |
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kSurface = Nr |
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ELSE |
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kSurface = 1 |
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ENDIF |
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|
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C-- Surface forcing term surfForcPtr is previously computed by |
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C PTRACERS_FORCING_SURF (and stored as surfaceForcingPTr) |
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C because it is needed by KPP_TRANSPORT_PTR. |
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|
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#ifdef ALLOW_GCHEM |
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IF ( useGCHEM ) THEN |
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CALL GCHEM_ADD_TENDENCY( |
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U gPtracer, |
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I iMin,iMax,jMin,jMax, k, bi, bj, |
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I iTracer, myTime, myIter, myThid ) |
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ENDIF |
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#endif /* ALLOW_GCHEM */ |
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|
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IF ( k .EQ. kSurface ) THEN |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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gPtracer(i,j) = gPtracer(i,j) |
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& + surfForcPtr(i,j) |
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& *recip_drF(k)*recip_hFacC(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ELSE |
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C- Case of age-tracer: in the interior, set aging tendency to one: |
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DO j=jMin,jMax |
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DO i=iMin,iMax |
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gPtracer(i,j) = gPtracer(i,j) |
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& + 1. _d 0 * maskC(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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|
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IF (PTRACERS_linFSConserve(iTracer)) THEN |
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IF (k .EQ. kSurface) THEN |
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DO j=0,sNy+1 |
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DO i=0,sNx+1 |
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gPtracer(i,j) = gPtracer(i,j) |
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& +meanSurfCorPTr(iTracer)*recip_drF(k) |
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& *_recip_hFacC(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDIF |
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|
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#ifdef ALLOW_RBCS |
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IF ( useRBCS ) THEN |
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CALL RBCS_ADD_TENDENCY( |
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U gPtracer, |
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I k, bi, bj, iTracer+2, |
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I myTime, myIter, myThid ) |
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ENDIF |
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#endif /* ALLOW_RBCS */ |
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|
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#endif /* ALLOW_PTRACERS */ |
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|
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RETURN |
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END |
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