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C $Header: /usr/local/gcmpack/MITgcm_contrib/ocean_inversion_project/code/ptracers_init.F,v 1.1 2003/09/18 02:33:38 dimitri Exp $ |
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C $Name: $ |
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#include "PTRACERS_OPTIONS.h" |
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CBOP |
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C !ROUTINE: PTRACERS_INIT |
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C !INTERFACE: ========================================================== |
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SUBROUTINE PTRACERS_INIT( myThid ) |
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C !DESCRIPTION: |
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C Initialize PTRACERS data structures |
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C This file is customized to compute CO2 perturbations from |
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C 30 ocean regions for Gruber's ocean inversion project. |
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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.h" |
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C !INPUT PARAMETERS: =================================================== |
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C myThid :: thread number |
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INTEGER myThid |
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C !OUTPUT PARAMETERS: ================================================== |
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C none |
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#ifdef ALLOW_PTRACERS |
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C !LOCAL VARIABLES: ==================================================== |
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C i,j,k,bi,bj,iTracer :: loop indices |
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INTEGER i,j,k,bi,bj,iTracer,iMonth |
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CHARACTER*(10) suff |
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_RL SumPtracer |
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CEOP |
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C Loop over tracers |
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DO iTracer = 1, PTRACERS_num |
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C Loop over tiles |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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C Initialize arrays in common blocks : |
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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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pTracer(i,j,k,bi,bj,iTracer) = 0. _d 0 |
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gPtr(i,j,k,bi,bj,iTracer) = 0. _d 0 |
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gPtrNM1(i,j,k,bi,bj,iTracer) = 0. _d 0 |
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ENDDO |
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ENDDO |
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ENDDO |
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C end bi,bj loops |
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ENDDO |
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ENDDO |
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C end of Tracer loop |
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ENDDO |
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C Read from a pickup file if nIter0 is not zero |
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IF (nIter0.NE.0) THEN |
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C-- Suffix for pickup files |
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IF (pickupSuff.EQ.' ') THEN |
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WRITE(suff,'(I10.10)') nIter0 |
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ELSE |
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WRITE(suff,'(A10)') pickupSuff |
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ENDIF |
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CALL PTRACERS_READ_CHECKPOINT( nIter0,myThid ) |
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ENDIF |
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C Initialize pTracerMasks |
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CALL PTRACERS_READ_MASK ( mythid ) |
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C Initialize pTracerTakahashi |
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CALL PTRACERS_READ_Takahashi ( mythid ) |
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C Normalize pTracerTakahashi so that 1e18 mol/yr is released |
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C from each model region defined in pTracerMasks. |
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C It is assumed that each year is 365.25 days (31557600 s) |
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C long and that each month is 2629800 s. |
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DO iTracer = 1, PTRACERS_num |
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SumPtracer = 0. |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1,sNy |
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DO i=1,sNx |
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DO iMonth=1,12 |
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SumPtracer = SumPtracer + 2629800. * rA(I,J,bi,bj) * |
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& pTracerMasks (I,J,iTracer,bi,bj) * |
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& pTracerTakahashi(I,J,iMonth ,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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_GLOBAL_SUM_R8( SumPtracer, myThid ) |
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DO bj = myByLo(myThid), myByHi(myThid) |
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DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO j=1,sNy |
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DO i=1,sNx |
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DO iMonth=1,12 |
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IF ( pTracerMasks(I,J,iTracer,bi,bj) .eq. 1. ) |
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& pTracerTakahashi(I,J,iMonth ,bi,bj) = 1.e18 * |
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& pTracerTakahashi(I,J,iMonth ,bi,bj) / SumPtracer |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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#endif /* ALLOW_PTRACERS */ |
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RETURN |
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END |
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