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C $Header: /u/gcmpack/MITgcm/pkg/gchem/gchem_add_tendency.F,v 1.5 2014/07/09 16:56:08 jmc Exp $ |
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C $Name: $ |
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|
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#include "GCHEM_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: GCHEM_ADD_TENDENCY |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE 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 iTr, myTime, myIter, myThid ) |
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|
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C !DESCRIPTION: |
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C In the case of a tracer not using GCHEM_SEPARATE_FORCING, |
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C GCHEM_ADD_TENDENCY will update passive tracer tendencies gPtr with |
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C gchemTendency, the latter having been computed in GCHEM_CALC_TENDENDY, |
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C so that they will be incorporated into regular timestepping in |
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C PTRACERS_INTERGRATE. |
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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 "GCHEM.h" |
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#include "GCHEM_SIZE.h" |
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#include "GCHEM_FIELDS.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: ============================================ |
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C gPtracer :: the tendency array |
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C k :: vertical level |
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C bi,bj :: tile indices |
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C iTr :: ptracer number |
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C myTime :: current time |
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C myIter :: current timestep |
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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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INTEGER iMin,iMax,jMin,jMax |
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INTEGER k, bi, bj, iTr |
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_RL myTime |
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INTEGER myIter, myThid |
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CEOP |
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|
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#ifdef GCHEM_ADD2TR_TENDENCY |
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C !LOCAL VARIABLES: ==================================================== |
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C jTr :: number of corresponding tracer tendency (in gchemTendency) |
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C i,j :: loop indices |
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INTEGER jTr |
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INTEGER i,j |
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|
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C Apply the tendencies computed in GCHEM_CALC_TENDENCY to the passive |
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C tracers tendendy terms. The part of the code could also go into |
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C ptracers_forcing and replace the call to gchem_add_tendency there, |
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C but this way, no gchem-related header files and CPP-flags are required |
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C within ptracers_forcing. |
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IF ( iTr.GT.gchem_sepFTr_num .AND. |
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& iTr.LE.gchem_Tracer_num ) THEN |
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jTr = iTr - gchem_sepFTr_num |
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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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& + gchemTendency(i,j,k,bi,bj,jTr) |
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ENDDO |
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ENDDO |
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ENDIF |
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#endif /* GCHEM_ADD2TR_TENDENCY */ |
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|
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RETURN |
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END |
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