pkg/gmredi/gmredi_xtransport.F

C $Header: /u/gcmpack/models/MITgcmUV/pkg/gmredi/gmredi_xtransport.F,v 1.1 2000/06/21 19:42:54 adcroft Exp $

#include "GMREDI_OPTIONS.h"

      subroutine GMREDI_XTRANSPORT(
     I     iMin,iMax,jMin,jMax,bi,bj,K,
     I     xA,Tracer,
     U     df,
     I     myThid)
C     /==========================================================\
C     | o SUBROUTINE GMREDI_XTRANSPORT                           |
C     |   Add horizontal x 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 xA(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 zonal flux
      DO j=jMin,jMax
       DO i=iMin,iMax
        df(i,j) = df(i,j)
     &    -xA(i,j)
     &    *(GM_background_K
#ifdef GM_VISBECK_VARIABLE_K
     &    +0.5*(VisbeckK(i,j,myThid)+VisbeckK(i-1,j,myThid))
#endif
     &    )
#ifdef GM_NON_UNITY_DIAGONAL
     &    *Kux(i,j,k,myThid)
#endif
     &    *_recip_dxC(i,j,bi,bj)
     &    *(Tracer(i,j,k,bi,bj)-Tracer(i-1,j,k,bi,bj))
       ENDDO
      ENDDO

      ENDIF
#endif /* ALLOW_GMREDI */

      RETURN
      END
1	heimbach	1.2	C $Header: /u/gcmpack/models/MITgcmUV/pkg/gmredi/gmredi_xtransport.F,v 1.1 2000/06/21 19:42:54 adcroft Exp $
2	adcroft	1.1
3			#include "GMREDI_OPTIONS.h"
4
5			subroutine GMREDI_XTRANSPORT(
6			I iMin,iMax,jMin,jMax,bi,bj,K,
7			I xA,Tracer,
8			U df,
9			I myThid)
10			C /==========================================================\
11			C \| o SUBROUTINE GMREDI_XTRANSPORT \|
12			C \| Add horizontal x transport terms from GM/Redi \|
13			C \| parameterization. \|
14			C \|==========================================================\|
15			C \==========================================================/
16			IMPLICIT NONE
17
18			C == GLobal variables ==
19			#include "SIZE.h"
20			#include "EEPARAMS.h"
21			#include "PARAMS.h"
22			#include "GRID.h"
23			#include "GMREDI.h"
24
25			C == Routine arguments ==
26			C iMin,iMax,jMin, - Range of points for which calculation
27			C jMax,bi,bj,k results will be set.
28			C xA - Area of X face
29			C Tracer - 3D Tracer field
30			C df - Diffusive flux component work array.
31			INTEGER iMin,iMax,jMin,jMax,bi,bj,k
32			_RS xA(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
33			_RL Tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
34			_RL df (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
35			INTEGER myThid
36
37			#ifdef ALLOW_GMREDI
38
39			C == Local variables ==
40			C I, J - Loop counters
41			INTEGER I, J
42
43	heimbach	1.2	IF (useGMRedi) THEN
44	adcroft	1.1
45			C-- Area integrated zonal flux
46			DO j=jMin,jMax
47			DO i=iMin,iMax
48			df(i,j) = df(i,j)
49			& -xA(i,j)
50			& *(GM_background_K
51			#ifdef GM_VISBECK_VARIABLE_K
52			& +0.5*(VisbeckK(i,j,myThid)+VisbeckK(i-1,j,myThid))
53			#endif
54			& )
55			#ifdef GM_NON_UNITY_DIAGONAL
56			& *Kux(i,j,k,myThid)
57			#endif
58			& *_recip_dxC(i,j,bi,bj)
59			& *(Tracer(i,j,k,bi,bj)-Tracer(i-1,j,k,bi,bj))
60			ENDDO
61			ENDDO
62
63			ENDIF
64			#endif /* ALLOW_GMREDI */
65
66			RETURN
67			END