model/src/calc_buoyancy.F

C $Header: /u/gcmpack/models/MITgcmUV/model/src/calc_buoyancy.F,v 1.4 1998/11/03 15:28:04 cnh Exp $

#include "CPP_OPTIONS.h"

      SUBROUTINE CALC_BUOYANCY(
     I      bi, bj, iMin, iMax, jMin, jMax,  k, rhoLoc,
     O      buoy,
     I      myThid )

C     /==========================================================\
C     | o SUBROUTINE BUOYANCY                                    |
C     |   Calculates buoyancy for an XY slice of a tile.         |
C     |==========================================================|
C     |                                                          |
C     | k - is the density level                                 |
C     | kRef - determines pressure reference level               |
C     |        (not used in 'LINEAR' mode)                       |
C     |                                                          |
C     \==========================================================/
      IMPLICIT NONE

C--   == Global data ==
#include "SIZE.h"
#include "DYNVARS.h"
#include "EEPARAMS.h"
#include "PARAMS.h"

C--   == Routine arguments ==
      INTEGER bi,bj,iMin,iMax,jMin,jMax
      INTEGER k                 
      INTEGER kRef      
      _RL rhoLoc(1-Olx:sNx+Olx,1-Oly:sNy+Oly)
      _RL buoy  (1-Olx:sNx+Olx,1-Oly:sNy+Oly)
      INTEGER myThid

C--   == Local variables ==
      INTEGER i,j
      _RL refTemp,refSalt,sigRef,tP,sP,deltaSig

      IF    ( buoyancyRelation .eq. 'ATMOSPHERIC'  ) THEN

       DO j=jMin,jMax
        DO i=iMin,iMax
         buoy(i,j)=(theta(i,j,k,bi,bj)-tRef(K))/tRef(K)
        ENDDO
       ENDDO
       
      ELSEIF ( buoyancyRelation .eq. 'OCEANIC' ) THEN

       DO j=jMin,jMax
        DO i=iMin,iMax
         buoy(i,j)=-Gravity*recip_rhoConst*rholoc(i,j)
        ENDDO
       ENDDO

      ELSE

       STOP 
     &'CALC_BUOANCY: variable "buoyancyRelation" has an illegal value'

      ENDIF


      RETURN
      END
1	cnh	1.5	C $Header: /u/gcmpack/models/MITgcmUV/model/src/calc_buoyancy.F,v 1.4 1998/11/03 15:28:04 cnh Exp $
2	cnh	1.1
3	cnh	1.5	#include "CPP_OPTIONS.h"
4	cnh	1.1
5			SUBROUTINE CALC_BUOYANCY(
6			I bi, bj, iMin, iMax, jMin, jMax, k, rhoLoc,
7			O buoy,
8			I myThid )
9
10			C /==========================================================\
11			C \| o SUBROUTINE BUOYANCY \|
12			C \| Calculates buoyancy for an XY slice of a tile. \|
13			C \|==========================================================\|
14			C \| \|
15			C \| k - is the density level \|
16			C \| kRef - determines pressure reference level \|
17			C \| (not used in 'LINEAR' mode) \|
18			C \| \|
19			C \==========================================================/
20			IMPLICIT NONE
21
22			C-- == Global data ==
23			#include "SIZE.h"
24			#include "DYNVARS.h"
25			#include "EEPARAMS.h"
26			#include "PARAMS.h"
27
28			C-- == Routine arguments ==
29			INTEGER bi,bj,iMin,iMax,jMin,jMax
30			INTEGER k
31			INTEGER kRef
32			_RL rhoLoc(1-Olx:sNx+Olx,1-Oly:sNy+Oly)
33			_RL buoy (1-Olx:sNx+Olx,1-Oly:sNy+Oly)
34			INTEGER myThid
35
36			C-- == Local variables ==
37			INTEGER i,j
38			_RL refTemp,refSalt,sigRef,tP,sP,deltaSig
39
40			IF ( buoyancyRelation .eq. 'ATMOSPHERIC' ) THEN
41
42			DO j=jMin,jMax
43			DO i=iMin,iMax
44	cnh	1.4	buoy(i,j)=(theta(i,j,k,bi,bj)-tRef(K))/tRef(K)
45	cnh	1.1	ENDDO
46			ENDDO
47
48			ELSEIF ( buoyancyRelation .eq. 'OCEANIC' ) THEN
49
50			DO j=jMin,jMax
51			DO i=iMin,iMax
52			buoy(i,j)=-Gravityrecip_rhoConstrholoc(i,j)
53			ENDDO
54			ENDDO
55
56			ELSE
57
58	cnh	1.3	STOP
59			&'CALC_BUOANCY: variable "buoyancyRelation" has an illegal value'
60	cnh	1.1
61			ENDIF
62	cnh	1.2
63	cnh	1.1
64			RETURN
65			END