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C $Header: /u/gcmpack/MITgcm/pkg/smooth/smooth_basic2d.F,v 1.1 2010/02/15 23:46:03 gforget Exp $ |
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C $Name: $ |
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#include "SMOOTH_OPTIONS.h" |
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subroutine smooth_basic2D ( |
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U fld_in,mask_in,dist_in,nbt_in,mythid) |
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C *==========================================================* |
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C | SUBROUTINE smooth_basic2D |
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C | o this routine smoothes a 2D field isotropically (except for |
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C | the land mask) to a constant length scale. It mostly |
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C | calls smooth_diff2D.F. |
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C *==========================================================* |
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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 "GRID.h" |
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#include "PARAMS.h" |
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c#include "tamc.h" |
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#include "SMOOTH.h" |
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_RL mask_in(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nR,nSx,nSy) |
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_RL fld_in(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RL dist_in |
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integer nbt_in |
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integer i,j,bi,bj |
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integer itlo,ithi |
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integer jtlo,jthi |
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integer myThid |
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jtlo = mybylo(mythid) |
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jthi = mybyhi(mythid) |
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itlo = mybxlo(mythid) |
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ithi = mybxhi(mythid) |
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smooth2DtotTime=nbt_in*smooth2DdelTime |
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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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DO i=1-OLx,sNx+OLx |
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smooth2D_Lx(i,j,bi,bj)=dist_in |
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smooth2D_Ly(i,j,bi,bj)=dist_in |
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ENDDO |
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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 bi=myBxLo(myThid),myBxHi(myThid) |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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smooth2D_Kux(i,j,bi,bj)=smooth2D_Lx(i,j,bi,bj)* |
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& smooth2D_Lx(i,j,bi,bj)/smooth2DtotTime/2 |
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smooth2D_Kvy(i,j,bi,bj)=smooth2D_Ly(i,j,bi,bj)* |
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& smooth2D_Ly(i,j,bi,bj)/smooth2DtotTime/2 |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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CALL EXCH_XY_RL ( smooth2D_Kux , myThid ) |
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CALL EXCH_XY_RL ( smooth2D_Kvy , myThid ) |
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call smooth_diff2D(fld_in,mask_in,nbt_in,mythid) |
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CALL EXCH_XY_RL ( fld_in , myThid ) |
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end |
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