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jmc |
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C $Header: /u/gcmpack/MITgcm/pkg/timeave/timeave_cumul_2vfc.F,v 1.2 2003/10/09 04:19:20 edhill Exp $ |
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jmc |
1.1 |
C $Name: $ |
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jmc |
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#include "CPP_EEOPTIONS.h" |
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jmc |
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CStartofinterface |
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SUBROUTINE TIMEAVE_CUMUL_2VFC( |
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O fldtave, |
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I fld1, fld2, fld3, Ksize, dir, deltaT, |
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I bi, bj, myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE TIMEAVE_CUMUL_2VFC | |
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C | o Sum over time a product of 2 fields and 1 factor array | |
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C | depending on the relative position on the grid of the | |
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C | 2nd field & factor (tracer_grid, u_grid, v_grid). | |
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C | The first array is on tracer_grid or at same position | |
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C | as the 2 others ; 2nd and 3rd always at same position | |
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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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C == Routine arguments == |
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C myThid - Thread number for this instance of the routine. |
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C fldtave - time averaged Field |
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C fld1,fld2 - Input fields |
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C fld3 - Input factor |
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C dir - type of grid for 2nd field and factor, relatively to the 1rst : |
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C 0: same location ; 1: zonal,West ; 2: merid, South |
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C Ksize - 3rd dimension of local arrays (Input and Output fields) |
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INTEGER Ksize, dir |
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_RL fld1(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Ksize,nSx,nSy) |
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_RL fld2(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Ksize,nSx,nSy) |
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_RS fld3(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Ksize,nSx,nSy) |
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_RL fldtave(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Ksize,nSx,nSy) |
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_RL deltaT |
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INTEGER bi, bj, myThid |
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CEndofinterface |
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C == Local variables == |
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C i,j,k,bi,bj - Loop counters |
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INTEGER i, j, k |
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IF ( dir.eq.0 ) THEN |
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C DO bj = myByLo(myThid), myByHi(myThid) |
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C DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO k=1,Ksize |
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DO j=1,sNy |
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DO i=1,sNx |
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fldtave(i,j,k,bi,bj) = fldtave(i,j,k,bi,bj) + deltaT* |
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& fld1(i,j,k,bi,bj)*fld2(i,j,k,bi,bj)*fld3(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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C ENDDO |
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C ENDDO |
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ELSEIF ( dir.eq.1 ) THEN |
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C DO bj = myByLo(myThid), myByHi(myThid) |
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C DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO k=1,Ksize |
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DO j=1,sNy |
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DO i=1,sNx |
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fldtave(i,j,k,bi,bj) = fldtave(i,j,k,bi,bj) + deltaT* |
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& 0.5*( fld1(i-1,j,k,bi,bj) + fld1(i,j,k,bi,bj) ) |
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& *fld2(i,j,k,bi,bj)*fld3(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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C ENDDO |
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C ENDDO |
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ELSEIF ( dir.eq.2 ) THEN |
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C DO bj = myByLo(myThid), myByHi(myThid) |
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C DO bi = myBxLo(myThid), myBxHi(myThid) |
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DO k=1,Ksize |
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DO j=1,sNy |
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DO i=1,sNx |
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fldtave(i,j,k,bi,bj) = fldtave(i,j,k,bi,bj) + deltaT* |
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& 0.5*( fld1(i,j-1,k,bi,bj) + fld1(i,j,k,bi,bj) ) |
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& *fld2(i,j,k,bi,bj)*fld3(i,j,k,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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C ENDDO |
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C ENDDO |
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ENDIF |
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RETURN |
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END |
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