| 1 |
adcroft |
1.2 |
C $Header: /u/gcmpack/models/MITgcmUV/pkg/shap_filt/Attic/shap_filt_tracer_s2.F,v 1.1.2.5 2001/05/07 18:40:02 adcroft Exp $ |
| 2 |
|
|
C $Name: pre38-close $ |
| 3 |
|
|
|
| 4 |
|
|
#include "SHAP_FILT_OPTIONS.h" |
| 5 |
|
|
|
| 6 |
|
|
SUBROUTINE SHAP_FILT_TRACER_S2( |
| 7 |
|
|
U field, |
| 8 |
|
|
I myTime, myThid ) |
| 9 |
|
|
C /==========================================================\ |
| 10 |
|
|
C | S/R SHAP_FILT_TRACER_S2 | |
| 11 |
|
|
C | Applies Shapiro filter to tracer field over one XY slice | |
| 12 |
|
|
C | of one tile at a time. | |
| 13 |
|
|
C \==========================================================/ |
| 14 |
|
|
IMPLICIT NONE |
| 15 |
|
|
|
| 16 |
|
|
C == Global variables === |
| 17 |
|
|
#include "SIZE.h" |
| 18 |
|
|
#include "EEPARAMS.h" |
| 19 |
|
|
#include "PARAMS.h" |
| 20 |
|
|
#include "GRID.h" |
| 21 |
|
|
#include "SHAP_FILT.h" |
| 22 |
|
|
#include "SHAP_FILT_TRACER.h" |
| 23 |
|
|
|
| 24 |
|
|
C == Routine arguments |
| 25 |
|
|
_RL field(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 26 |
|
|
_RL myTime |
| 27 |
|
|
INTEGER myThid |
| 28 |
|
|
|
| 29 |
|
|
#ifdef ALLOW_SHAP_FILT |
| 30 |
|
|
|
| 31 |
|
|
C == Local variables == |
| 32 |
|
|
INTEGER bi,bj,K,I,J,N |
| 33 |
|
|
_RL tmpGrd(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 34 |
|
|
|
| 35 |
|
|
IF (nShapT.gt.0) THEN |
| 36 |
|
|
|
| 37 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 38 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 39 |
|
|
DO K=1,Nr |
| 40 |
|
|
DO J=1,sNy |
| 41 |
|
|
DO I=1,sNx |
| 42 |
|
|
tmpFld(i,j,k,bi,bj)=field(i,j,k,bi,bj) |
| 43 |
|
|
ENDDO |
| 44 |
|
|
ENDDO |
| 45 |
|
|
ENDDO |
| 46 |
|
|
ENDDO |
| 47 |
|
|
ENDDO |
| 48 |
|
|
|
| 49 |
|
|
|
| 50 |
|
|
C ( d_xx +d_yy )^n tmpFld |
| 51 |
|
|
|
| 52 |
|
|
DO N=1,nShapT |
| 53 |
|
|
|
| 54 |
|
|
_EXCH_XYZ_R8( tmpFld, myThid ) |
| 55 |
|
|
|
| 56 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 57 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 58 |
|
|
DO K=1,Nr |
| 59 |
|
|
|
| 60 |
|
|
DO J=1,sNy |
| 61 |
|
|
DO I=1,sNx |
| 62 |
|
|
tmpGrd(i,j) = -0.125*( |
| 63 |
|
|
& ( tmpFld(i+1,j,k,bi,bj)-tmpFld( i ,j,k,bi,bj) ) |
| 64 |
|
|
& *_maskW(i+1,j,k,bi,bj) |
| 65 |
|
|
& -( tmpFld( i ,j,k,bi,bj)-tmpFld(i-1,j,k,bi,bj) ) |
| 66 |
|
|
& *_maskW( i ,j,k,bi,bj) |
| 67 |
|
|
& +( tmpFld(i,j+1,k,bi,bj)-tmpFld(i, j ,k,bi,bj) ) |
| 68 |
|
|
& *_maskS(i,j+1,k,bi,bj) |
| 69 |
|
|
& -( tmpFld(i, j ,k,bi,bj)-tmpFld(i,j-1,k,bi,bj) ) |
| 70 |
|
|
& *_maskS(i, j ,k,bi,bj) ) |
| 71 |
|
|
ENDDO |
| 72 |
|
|
ENDDO |
| 73 |
|
|
|
| 74 |
|
|
DO J=1,sNy |
| 75 |
|
|
DO I=1,sNx |
| 76 |
|
|
tmpFld(i,j,k,bi,bj) = tmpGrd(i,j) |
| 77 |
|
|
ENDDO |
| 78 |
|
|
ENDDO |
| 79 |
|
|
|
| 80 |
|
|
ENDDO |
| 81 |
|
|
ENDDO |
| 82 |
|
|
ENDDO |
| 83 |
|
|
|
| 84 |
|
|
ENDDO |
| 85 |
|
|
|
| 86 |
|
|
C F <- [1-(d_xx+d_yy)^n]F |
| 87 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
| 88 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 89 |
|
|
DO K=1,Nr |
| 90 |
|
|
DO J=1,sNy |
| 91 |
|
|
DO I=1,sNx |
| 92 |
|
|
field(i,j,k,bi,bj)=field(i,j,k,bi,bj)-tmpFld(i,j,k,bi,bj) |
| 93 |
|
|
ENDDO |
| 94 |
|
|
ENDDO |
| 95 |
|
|
ENDDO |
| 96 |
|
|
ENDDO |
| 97 |
|
|
ENDDO |
| 98 |
|
|
|
| 99 |
|
|
_EXCH_XYZ_R8( field, myThid ) |
| 100 |
|
|
|
| 101 |
|
|
ENDIF |
| 102 |
|
|
#endif /* ALLOW_SHAP_FILT */ |
| 103 |
|
|
|
| 104 |
|
|
RETURN |
| 105 |
|
|
END |
Parent Directory
| 
Revision Log
| 
Revision Graph