model/src/timestep_tracer.F

C $Header: /u/gcmpack/MITgcm/model/src/timestep_tracer.F,v 1.14 2009/06/26 23:10:09 jahn Exp $
C $Name:  $

#include "PACKAGES_CONFIG.h"
#include "CPP_OPTIONS.h"

CBOP
C     !ROUTINE: TIMESTEP_TRACER
C     !INTERFACE:
      SUBROUTINE TIMESTEP_TRACER(
     I                     bi, bj, iMin, iMax, jMin, jMax, k,
     I                     advection_scheme, deltaTloc,
     I                     tracer, gTracer,
     I                     myIter, myThid )
C     !DESCRIPTION: \bv
C     *==========================================================*
C     | S/R TIMESTEP_TRACER
C     | o Step model tracer field forward in time
C     *==========================================================*
C     \ev

C     !USES:
      IMPLICIT NONE
C     == Global variables ===
#include "SIZE.h"
#include "EEPARAMS.h"
#include "PARAMS.h"
#include "GRID.h"

C     !INPUT/OUTPUT PARAMETERS:
C     == Routine Arguments ==
      INTEGER bi,bj,iMin,iMax,jMin,jMax,k
      INTEGER advection_scheme
      _RL     deltaTloc
      _RL  tracer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
      _RL  gTracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
      INTEGER myIter, myThid

C     !LOCAL VARIABLES:
C     == Local variables ==
      INTEGER i,j
CEOP

C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----|

C-    Step tracer forward in time and store provisional value in gTracer array
c     DO j=jMin,jMax
c      DO i=iMin,iMax
      DO j=1-Oly,sNy+Oly
       DO i=1-Olx,sNx+Olx
         gTracer(i,j,k,bi,bj)=tracer(i,j,k,bi,bj)
     &            +deltaTloc*gTracer(i,j,k,bi,bj)
#ifdef ALLOW_OBCS
     &                      *maskInC(i,j,bi,bj)
#endif
       ENDDO
      ENDDO

      RETURN
      END
1	jmc	1.15	C $Header: /u/gcmpack/MITgcm/model/src/timestep_tracer.F,v 1.14 2009/06/26 23:10:09 jahn Exp $
2	adcroft	1.2	C $Name: $
3	adcroft	1.1
4	jmc	1.15	#include "PACKAGES_CONFIG.h"
5	adcroft	1.1	#include "CPP_OPTIONS.h"
6
7	cnh	1.8	CBOP
8			C !ROUTINE: TIMESTEP_TRACER
9			C !INTERFACE:
10	adcroft	1.2	SUBROUTINE TIMESTEP_TRACER(
11	jmc	1.15	I bi, bj, iMin, iMax, jMin, jMax, k,
12	jahn	1.14	I advection_scheme, deltaTloc,
13	adcroft	1.4	I tracer, gTracer,
14	adcroft	1.2	I myIter, myThid )
15	cnh	1.8	C !DESCRIPTION: \bv
16			C ==========================================================
17	jmc	1.15	C \| S/R TIMESTEP_TRACER
18			C \| o Step model tracer field forward in time
19	cnh	1.8	C ==========================================================
20			C \ev
21
22			C !USES:
23	adcroft	1.2	IMPLICIT NONE
24			C == Global variables ===
25	adcroft	1.1	#include "SIZE.h"
26			#include "EEPARAMS.h"
27			#include "PARAMS.h"
28	jmc	1.15	#include "GRID.h"
29	adcroft	1.2
30	cnh	1.8	C !INPUT/OUTPUT PARAMETERS:
31	adcroft	1.1	C == Routine Arguments ==
32	jmc	1.15	INTEGER bi,bj,iMin,iMax,jMin,jMax,k
33	adcroft	1.4	INTEGER advection_scheme
34	jahn	1.14	_RL deltaTloc
35	adcroft	1.1	_RL tracer (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
36			_RL gTracer(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy)
37			INTEGER myIter, myThid
38	cnh	1.8
39			C !LOCAL VARIABLES:
40	adcroft	1.1	C == Local variables ==
41			INTEGER i,j
42	cnh	1.8	CEOP
43	adcroft	1.1
44	jmc	1.5	C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-\|--+----\|
45
46	jmc	1.15	C- Step tracer forward in time and store provisional value in gTracer array
47			c DO j=jMin,jMax
48			c DO i=iMin,iMax
49			DO j=1-Oly,sNy+Oly
50			DO i=1-Olx,sNx+Olx
51	adcroft	1.7	gTracer(i,j,k,bi,bj)=tracer(i,j,k,bi,bj)
52	jahn	1.14	& +deltaTloc*gTracer(i,j,k,bi,bj)
53	jmc	1.15	#ifdef ALLOW_OBCS
54			& *maskInC(i,j,bi,bj)
55			#endif
56	jmc	1.5	ENDDO
57			ENDDO
58	adcroft	1.1
59			RETURN
60			END