pkg/gmredi/gmredi_ytransport.F

C $Header: /u/gcmpack/models/MITgcmUV/pkg/gmredi/gmredi_ytransport.F,v 1.3 2001/01/29 20:07:39 heimbach Exp $
C $Name: $

#include "GMREDI_OPTIONS.h"

      subroutine GMREDI_YTRANSPORT(
     I     iMin,iMax,jMin,jMax,bi,bj,K,
     I     yA,Tracer,
     U     df,
     I     myThid)
C     /==========================================================\
C     | o SUBROUTINE GMREDI_YTRANSPORT                           |
C     |   Add horizontal y transport terms from GM/Redi          |
C     |   parameterization.                                      |
C     |==========================================================|
C     \==========================================================/
      IMPLICIT NONE

C     == GLobal variables ==
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"
#include "GMREDI.h"

C     == Routine arguments ==
C     iMin,iMax,jMin,  - Range of points for which calculation
C     jMax,bi,bj,k       results will be set.
C     xA               - Area of X face
C     Tracer           - 3D Tracer field
C     df               - Diffusive flux component work array.
      INTEGER iMin,iMax,jMin,jMax,bi,bj,k
      _RS yA(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL Tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
      _RL df    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      INTEGER myThid

#ifdef ALLOW_GMREDI

C     == Local variables ==
C     I, J - Loop counters
      INTEGER I, J

      IF (useGMRedi) THEN

C--   Area integrated meridional flux
      DO j=jMin,jMax
       DO i=iMin,iMax
        df(i,j) = df(i,j)
     &    -yA(i,j)
     &    *(GM_background_K
#ifdef GM_VISBECK_VARIABLE_K
     &    +0.5*(VisbeckK(i,j,bi,bj)+VisbeckK(i,j-1,bi,bj))
#endif
     &    )
#ifdef GM_NON_UNITY_DIAGONAL
     &    *Kvy(i,j,k,bi,bj)
#endif
     &    *_recip_dyC(i,j,bi,bj)
     &    *(Tracer(i,j,k,bi,bj)-Tracer(i,j-1,k,bi,bj))
       ENDDO
      ENDDO

      ENDIF
#endif /* ALLOW_GMREDI */

      RETURN
      END
1	cnh	1.4	C $Header: /u/gcmpack/models/MITgcmUV/pkg/gmredi/gmredi_ytransport.F,v 1.3 2001/01/29 20:07:39 heimbach Exp $
2			C $Name: $
3	adcroft	1.1
4			#include "GMREDI_OPTIONS.h"
5
6			subroutine GMREDI_YTRANSPORT(
7			I iMin,iMax,jMin,jMax,bi,bj,K,
8			I yA,Tracer,
9			U df,
10			I myThid)
11			C /==========================================================\
12			C \| o SUBROUTINE GMREDI_YTRANSPORT \|
13			C \| Add horizontal y transport terms from GM/Redi \|
14			C \| parameterization. \|
15			C \|==========================================================\|
16			C \==========================================================/
17			IMPLICIT NONE
18
19			C == GLobal variables ==
20			#include "SIZE.h"
21			#include "EEPARAMS.h"
22			#include "PARAMS.h"
23			#include "GRID.h"
24			#include "GMREDI.h"
25
26			C == Routine arguments ==
27			C iMin,iMax,jMin, - Range of points for which calculation
28			C jMax,bi,bj,k results will be set.
29			C xA - Area of X face
30			C Tracer - 3D Tracer field
31			C df - Diffusive flux component work array.
32			INTEGER iMin,iMax,jMin,jMax,bi,bj,k
33			_RS yA(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
34			_RL Tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
35			_RL df (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
36			INTEGER myThid
37
38			#ifdef ALLOW_GMREDI
39
40			C == Local variables ==
41			C I, J - Loop counters
42			INTEGER I, J
43
44	heimbach	1.2	IF (useGMRedi) THEN
45	adcroft	1.1
46			C-- Area integrated meridional flux
47			DO j=jMin,jMax
48			DO i=iMin,iMax
49			df(i,j) = df(i,j)
50			& -yA(i,j)
51			& *(GM_background_K
52			#ifdef GM_VISBECK_VARIABLE_K
53	heimbach	1.3	& +0.5*(VisbeckK(i,j,bi,bj)+VisbeckK(i,j-1,bi,bj))
54	adcroft	1.1	#endif
55			& )
56			#ifdef GM_NON_UNITY_DIAGONAL
57	heimbach	1.3	& *Kvy(i,j,k,bi,bj)
58	adcroft	1.1	#endif
59			& *_recip_dyC(i,j,bi,bj)
60			& *(Tracer(i,j,k,bi,bj)-Tracer(i,j-1,k,bi,bj))
61			ENDDO
62			ENDDO
63
64			ENDIF
65			#endif /* ALLOW_GMREDI */
66
67			RETURN
68			END