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mlosch |
1.17 |
C $Header: /u/gcmpack/MITgcm/model/src/timestep_tracer.F,v 1.16 2011/05/23 00:33:38 jmc Exp $ |
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adcroft |
1.2 |
C $Name: $ |
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adcroft |
1.1 |
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jmc |
1.15 |
#include "PACKAGES_CONFIG.h" |
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adcroft |
1.1 |
#include "CPP_OPTIONS.h" |
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cnh |
1.8 |
CBOP |
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C !ROUTINE: TIMESTEP_TRACER |
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C !INTERFACE: |
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adcroft |
1.2 |
SUBROUTINE TIMESTEP_TRACER( |
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jmc |
1.16 |
I bi, bj, k, deltaTloc, |
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I tracer, |
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U gTracer, |
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adcroft |
1.2 |
I myIter, myThid ) |
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cnh |
1.8 |
C !DESCRIPTION: \bv |
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C *==========================================================* |
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jmc |
1.15 |
C | S/R TIMESTEP_TRACER |
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C | o Step model tracer field forward in time |
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cnh |
1.8 |
C *==========================================================* |
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C \ev |
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C !USES: |
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adcroft |
1.2 |
IMPLICIT NONE |
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C == Global variables === |
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adcroft |
1.1 |
#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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jmc |
1.15 |
#include "GRID.h" |
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adcroft |
1.2 |
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cnh |
1.8 |
C !INPUT/OUTPUT PARAMETERS: |
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adcroft |
1.1 |
C == Routine Arguments == |
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jmc |
1.16 |
INTEGER bi, bj, k |
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jahn |
1.14 |
_RL deltaTloc |
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adcroft |
1.1 |
_RL tracer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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_RL gTracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
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INTEGER myIter, myThid |
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cnh |
1.8 |
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C !LOCAL VARIABLES: |
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adcroft |
1.1 |
C == Local variables == |
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INTEGER i,j |
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cnh |
1.8 |
CEOP |
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adcroft |
1.1 |
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jmc |
1.5 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
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jmc |
1.15 |
C- Step tracer forward in time and store provisional value in gTracer array |
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DO j=1-Oly,sNy+Oly |
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DO i=1-Olx,sNx+Olx |
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adcroft |
1.7 |
gTracer(i,j,k,bi,bj)=tracer(i,j,k,bi,bj) |
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jahn |
1.14 |
& +deltaTloc*gTracer(i,j,k,bi,bj) |
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jmc |
1.15 |
#ifdef ALLOW_OBCS |
| 51 |
mlosch |
1.17 |
CML For the Stevens open boundary conditions, we need to step forward |
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CML the tracer even on the boundary in order to include surface |
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CML forcing and (vertical) diffusion contributions. For other cases |
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CML this mask was meant to avoid unrealistic values on the open boundaries. |
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CML Lets hope that we can live without this safety net. |
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C & *maskInC(i,j,bi,bj) |
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jmc |
1.15 |
#endif |
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jmc |
1.5 |
ENDDO |
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ENDDO |
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adcroft |
1.1 |
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RETURN |
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END |
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