pkg/generic_advdiff/gad_c2_adv_y.F

C $Header: /u/gcmpack/models/MITgcmUV/pkg/generic_advdiff/gad_c2_adv_y.F,v 1.1 2001/05/30 19:34:48 adcroft Exp $
C $Name:  $

#include "GAD_OPTIONS.h"

CBOP
C !ROUTINE: GAD_C2_ADV_Y

C !INTERFACE: ==========================================================
      SUBROUTINE GAD_C2_ADV_Y( 
     I           bi,bj,k,
     I           vTrans,
     I           tracer,
     O           vT,
     I           myThid )

C !DESCRIPTION:
C Calculates the meridional flux due to advection of a tracer using
C centered second-order interpolation:
C \begin{equation*}
C F^y_{adv} = v \theta
C \end{equation*}

C !USES: ===============================================================
      IMPLICIT NONE
#include "SIZE.h"
#include "GRID.h"

C !INPUT PARAMETERS: ===================================================
C  bi,bj                :: tile indices
C  k                    :: vertical level
C  vTrans               :: meridional volume transport
C  tracer               :: tracer field
C  myThid               :: thread number
      INTEGER bi,bj,k
      _RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      _RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
      INTEGER myThid

C !OUTPUT PARAMETERS: ==================================================
C  vT                   :: meridional advective flux
      _RL vT    (1-OLx:sNx+OLx,1-OLy:sNy+OLy)

C !LOCAL VARIABLES: ====================================================
C  i,j                  :: loop indices
      INTEGER i,j
CEOP

      DO i=1-Olx,sNx+Olx
       vT(i,1-Oly)=0.
      ENDDO
      DO j=1-Oly+1,sNy+Oly
       DO i=1-Olx,sNx+Olx
        vT(i,j) = 
     &   vTrans(i,j)*(Tracer(i,j)+Tracer(i,j-1))*0.5 _d 0
       ENDDO
      ENDDO

      RETURN
      END
1	adcroft	1.2	C $Header: /u/gcmpack/models/MITgcmUV/pkg/generic_advdiff/gad_c2_adv_y.F,v 1.1 2001/05/30 19:34:48 adcroft Exp $
2			C $Name: $
3	adcroft	1.1
4			#include "GAD_OPTIONS.h"
5
6	adcroft	1.2	CBOP
7			C !ROUTINE: GAD_C2_ADV_Y
8
9			C !INTERFACE: ==========================================================
10	adcroft	1.1	SUBROUTINE GAD_C2_ADV_Y(
11			I bi,bj,k,
12			I vTrans,
13			I tracer,
14			O vT,
15			I myThid )
16	adcroft	1.2
17			C !DESCRIPTION:
18			C Calculates the meridional flux due to advection of a tracer using
19			C centered second-order interpolation:
20			C \begin{equation*}
21			C F^y_{adv} = v \theta
22			C \end{equation*}
23
24			C !USES: ===============================================================
25	adcroft	1.1	IMPLICIT NONE
26			#include "SIZE.h"
27			#include "GRID.h"
28
29	adcroft	1.2	C !INPUT PARAMETERS: ===================================================
30			C bi,bj :: tile indices
31			C k :: vertical level
32			C vTrans :: meridional volume transport
33			C tracer :: tracer field
34			C myThid :: thread number
35	adcroft	1.1	INTEGER bi,bj,k
36			_RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
37			_RL tracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
38	adcroft	1.2	INTEGER myThid
39
40			C !OUTPUT PARAMETERS: ==================================================
41			C vT :: meridional advective flux
42	adcroft	1.1	_RL vT (1-OLx:sNx+OLx,1-OLy:sNy+OLy)
43
44	adcroft	1.2	C !LOCAL VARIABLES: ====================================================
45			C i,j :: loop indices
46	adcroft	1.1	INTEGER i,j
47	adcroft	1.2	CEOP
48	adcroft	1.1
49			DO i=1-Olx,sNx+Olx
50			vT(i,1-Oly)=0.
51			ENDDO
52			DO j=1-Oly+1,sNy+Oly
53			DO i=1-Olx,sNx+Olx
54			vT(i,j) =
55			& vTrans(i,j)(Tracer(i,j)+Tracer(i,j-1))0.5 _d 0
56			ENDDO
57			ENDDO
58
59			RETURN
60			END