| 1 | gforget | 1.1 | C $Header: /u/gcmpack/MITgcm_contrib/gael/pkg/smooth2/smooth_basic2D.F,v 1.1 2009/10/24 23:27:24 gforget Exp $ | 
| 2 |  |  | C $Name:  $ | 
| 3 |  |  |  | 
| 4 |  |  | #include "CPP_OPTIONS.h" | 
| 5 |  |  |  | 
| 6 |  |  | subroutine smooth_basic2D ( | 
| 7 |  |  | U     fld_in,mask_in,dist_in,nbt_in,mythid) | 
| 8 |  |  |  | 
| 9 |  |  | C     *==========================================================* | 
| 10 |  |  | C     | SUBROUTINE smooth_basic2D | 
| 11 |  |  | C     | o this routine smoothes a 2D field isotropically (except for | 
| 12 |  |  | C     |   the land mask) to a constant length scale. It mostly | 
| 13 |  |  | C     |   calls smooth_diff2D.F. | 
| 14 |  |  | C     *==========================================================* | 
| 15 |  |  |  | 
| 16 |  |  | IMPLICIT NONE | 
| 17 |  |  | #include "SIZE.h" | 
| 18 |  |  | #include "EEPARAMS.h" | 
| 19 |  |  | #include "GRID.h" | 
| 20 |  |  | #include "PARAMS.h" | 
| 21 |  |  | c#include "tamc.h" | 
| 22 |  |  | #include "smooth.h" | 
| 23 |  |  |  | 
| 24 |  |  | _RL mask_in(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nR,nSx,nSy) | 
| 25 |  |  | _RL fld_in(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) | 
| 26 |  |  | _RL dist_in | 
| 27 |  |  | integer nbt_in | 
| 28 |  |  | integer i,j,bi,bj | 
| 29 |  |  | integer itlo,ithi | 
| 30 |  |  | integer jtlo,jthi | 
| 31 |  |  | integer myThid | 
| 32 |  |  |  | 
| 33 |  |  |  | 
| 34 |  |  | jtlo = mybylo(mythid) | 
| 35 |  |  | jthi = mybyhi(mythid) | 
| 36 |  |  | itlo = mybxlo(mythid) | 
| 37 |  |  | ithi = mybxhi(mythid) | 
| 38 |  |  |  | 
| 39 |  |  | smooth2DtotTime=nbt_in*smooth2DdelTime | 
| 40 |  |  |  | 
| 41 |  |  | DO bj=myByLo(myThid),myByHi(myThid) | 
| 42 |  |  | DO bi=myBxLo(myThid),myBxHi(myThid) | 
| 43 |  |  | DO j=1-OLy,sNy+OLy | 
| 44 |  |  | DO i=1-OLx,sNx+OLx | 
| 45 |  |  | smooth2D_Lx(i,j,bi,bj)=dist_in | 
| 46 |  |  | smooth2D_Ly(i,j,bi,bj)=dist_in | 
| 47 |  |  | ENDDO | 
| 48 |  |  | ENDDO | 
| 49 |  |  | ENDDO | 
| 50 |  |  | ENDDO | 
| 51 |  |  |  | 
| 52 |  |  | DO bj=myByLo(myThid),myByHi(myThid) | 
| 53 |  |  | DO bi=myBxLo(myThid),myBxHi(myThid) | 
| 54 |  |  | DO j=1-OLy,sNy+OLy | 
| 55 |  |  | DO i=1-OLx,sNx+OLx | 
| 56 |  |  | smooth2D_Kux(i,j,bi,bj)=smooth2D_Lx(i,j,bi,bj)* | 
| 57 |  |  | & smooth2D_Lx(i,j,bi,bj)/smooth2DtotTime/2 | 
| 58 |  |  | smooth2D_Kvy(i,j,bi,bj)=smooth2D_Ly(i,j,bi,bj)* | 
| 59 |  |  | & smooth2D_Ly(i,j,bi,bj)/smooth2DtotTime/2 | 
| 60 |  |  | ENDDO | 
| 61 |  |  | ENDDO | 
| 62 |  |  | ENDDO | 
| 63 |  |  | ENDDO | 
| 64 |  |  |  | 
| 65 |  |  | _EXCH_XY_RL ( smooth2D_Kux , myThid ) | 
| 66 |  |  | _EXCH_XY_RL ( smooth2D_Kvy , myThid ) | 
| 67 |  |  |  | 
| 68 |  |  | call smooth_diff2D(fld_in,mask_in,nbt_in,mythid) | 
| 69 |  |  |  | 
| 70 |  |  | _EXCH_XY_RL ( fld_in , myThid ) | 
| 71 |  |  |  | 
| 72 |  |  | end |