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C $Header: /u/gcmpack/MITgcm/pkg/ebm/ebm_zonalmean.F,v 1.3 2004/05/21 21:45:35 heimbach Exp $ |
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C $Name: $ |
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#include "EBM_OPTIONS.h" |
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SUBROUTINE EBM_ZONALMEAN( myTime, myIter, myThid ) |
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C |==========================================================| |
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C | S/R CALCULATE ZONAL MEAN TEMPERATURE | |
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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 "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "DYNVARS.h" |
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#include "GRID.h" |
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#ifdef ALLOW_EBM |
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# include "EBM.h" |
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#endif |
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#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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# include "tamc_keys.h" |
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#endif |
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|
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C === Routine arguments === |
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C myThid - Instance number for this innvocation |
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INTEGER myThid |
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INTEGER myIter |
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_RL myTime |
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|
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CEndOfInterface |
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C == Local variables == |
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C I, J, K - Loop counters |
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C CountX_tile - number of ocean points in each latitude band on each tile |
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C maskC - Land/Ocean mask |
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C ZonalMean_tile - zonal temperature average on each tile |
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#ifdef ALLOW_EBM |
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INTEGER i, j, k, bi, bj |
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_RL CountX_tile(1-OLy:sNy+OLy,nSx,nSy) |
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_RL ZonalMean_tile(1-OLy:sNy+OLy, nSx, nSy) |
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|
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C-- Top layer only |
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k = 1 |
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c-- Initialise |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO j=1-OLy,sNy+OLy |
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ZonalMeanSST(j,bj) = 0.0 |
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CountX(j,bj) = 0.0 |
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ENDDO |
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ENDDO |
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|
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C-- Calculate the zonal mean |
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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-OLy, sNy+OLy |
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CountX_tile(j,bi,bj) = 0.0 |
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ZonalMean_tile(j,bi,bj) = 0.0 |
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DO i=1,sNx |
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ZonalMean_tile(j,bi,bj) = ZonalMean_tile(j,bi,bj) + |
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& theta(i,j,k,bi,bj) |
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CountX_tile(j,bi,bj) = CountX_tile(j,bi,bj) + |
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& maskC(i,j,k,bi,bj) |
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ENDDO |
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ZonalMeanSST(j,bj) = ZonalMeanSST(j,bj) + |
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& ZonalMean_tile(j,bi,bj) |
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CountX(j,bj) = CountX(j,bj) + CountX_tile(j,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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|
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO j=1-OLy,sNy+OLy |
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_GLOBAL_SUM_RL( CountX(j,bj), myThid ) |
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_GLOBAL_SUM_RL( ZonalMeanSST(j,bj), myThid ) |
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ENDDO |
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ENDDO |
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|
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#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE CountX = comlev1, key = ikey_dynamics |
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#endif |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO j=1-OLy,sNy+OLy |
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IF ( CountX(j,bj) .GT. 0.0) THEN |
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ZonalMeanSST(j,bj) = ZonalMeanSST(j,bj)/CountX(j,bj) |
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ENDIF |
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ENDDO |
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ENDDO |
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#endif /* ALLOW_EBM */ |
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RETURN |
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END |
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