/[MITgcm]/MITgcm/pkg/shap_filt/shap_filt_apply_ts.F
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Contents of /MITgcm/pkg/shap_filt/shap_filt_apply_ts.F

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Revision 1.1 - (show annotations) (download)
Sat Oct 27 02:13:46 2001 UTC (22 years, 7 months ago) by jmc
Branch: MAIN
define a new routine (shap_filt_apply_ts.F) to filter T,S
  before computing Phi_Hyd when stagger time stepping is used.

1 C $Header: /u/gcmpack/models/MITgcmUV/pkg/shap_filt/shap_filt_apply.F,v 1.4 2001/05/29 14:01:40 adcroft Exp $
2 C $Name: $
3
4 #include "SHAP_FILT_OPTIONS.h"
5
6 CBOP
7 C !ROUTINE: SHAP_FILT_APPLY_TS
8
9 C !INTERFACE: ==========================================================
10 SUBROUTINE SHAP_FILT_APPLY_TS(
11 U tFld, sFld,
12 I myTime, myIter, myThid )
13
14 C !DESCRIPTION:
15 C Apply a Shapiro filter on active tracers tFld & sFld
16
17 C !USES: ===============================================================
18 IMPLICIT NONE
19
20 #include "SIZE.h"
21 #include "EEPARAMS.h"
22 #include "PARAMS.h"
23 #include "DYNVARS.h"
24 #include "GRID.h"
25 #ifdef ALLOW_SHAP_FILT
26 #include "SHAP_FILT.h"
27 #endif
28
29 C !INPUT PARAMETERS: ===================================================
30 C myTime :: current time
31 C myIter :: iteration number
32 C myThid :: thread number
33 _RL myTime
34 INTEGER myIter
35 INTEGER myThid
36
37 C !INPUT/OUTPUT PARAMETERS: ============================================
38 C tFld :: input and filtered temperature field
39 C sFld :: input and filtered salinity field
40 _RL tFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
41 _RL sFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
42
43 #ifdef ALLOW_SHAP_FILT
44 #ifndef USE_OLD_SHAPIRO_FILTERS
45
46 C !LOCAL VARIABLES: ====================================================
47 C none
48
49 CEOP
50
51 IF (nShapT.GT.0) THEN
52
53 IF ( tempStepping .AND. nShapT.GT.0) THEN
54 IF (Shap_funct.EQ.1) THEN
55 CALL SHAP_FILT_TRACER_S1(
56 U tFld,
57 I myTime, myThid )
58 ELSEIF (Shap_funct.EQ.2) THEN
59 CALL SHAP_FILT_TRACER_S2(
60 U tFld,
61 I myTime, myThid )
62 ELSEIF (Shap_funct.EQ.4) THEN
63 CALL SHAP_FILT_TRACER_S4(
64 U tFld,
65 I myTime, myThid )
66 ELSEIF (Shap_funct.EQ.20) THEN
67 CALL SHAP_FILT_TRACER_S2G(
68 U tFld,
69 I myTime, myThid )
70 ELSE
71 STOP 'SHAP_FILT_APPLY: Ooops! Bad Shap_funct in T block'
72 ENDIF
73 ENDIF
74 IF ( saltStepping .AND. nShapT.GT.0) THEN
75 IF (Shap_funct.EQ.1) THEN
76 CALL SHAP_FILT_TRACER_S1(
77 U sFld,
78 I myTime, myThid )
79 ELSEIF (Shap_funct.EQ.2) THEN
80 CALL SHAP_FILT_TRACER_S2(
81 U sFld,
82 I myTime, myThid )
83 ELSEIF (Shap_funct.EQ.4) THEN
84 CALL SHAP_FILT_TRACER_S4(
85 U sFld,
86 I myTime, myThid )
87 ELSEIF (Shap_funct.EQ.20) THEN
88 CALL SHAP_FILT_TRACER_S2G(
89 U sFld,
90 I myTime, myThid )
91 ELSE
92 STOP 'SHAP_FILT_APPLY: Ooops! Bad Shap_funct in S block'
93 ENDIF
94 ENDIF
95
96 ENDIF
97 #endif /* USE_OLD_SHAPIRO_FILTERS */
98 #endif /* ALLOW_SHAP_FILT */
99
100 RETURN
101 END

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