/[MITgcm]/MITgcm/model/src/calc_ivdc.F
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Annotation of /MITgcm/model/src/calc_ivdc.F

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Revision 1.5 - (hide annotations) (download)
Wed Oct 15 22:55:01 2003 UTC (20 years, 8 months ago) by jmc
Branch: MAIN
CVS Tags: checkpoint51k_post, checkpoint52l_pre, hrcube4, hrcube5, checkpoint52d_pre, checkpoint52j_pre, checkpoint51o_pre, checkpoint51l_post, checkpoint52l_post, checkpoint52k_post, checkpoint53, checkpoint52, checkpoint52f_post, checkpoint51t_post, checkpoint51n_post, checkpoint52i_pre, hrcube_1, hrcube_2, hrcube_3, checkpoint51s_post, checkpoint52e_pre, checkpoint52e_post, checkpoint51n_pre, checkpoint53d_post, checkpoint52b_pre, checkpoint51l_pre, checkpoint52m_post, checkpoint51q_post, checkpoint52b_post, checkpoint52c_post, checkpoint52f_pre, checkpoint53c_post, checkpoint51r_post, checkpoint53a_post, checkpoint52d_post, checkpoint52a_pre, checkpoint52i_post, checkpoint52h_pre, checkpoint53f_post, checkpoint52j_post, branch-netcdf, checkpoint52n_post, checkpoint53b_pre, checkpoint51o_post, checkpoint53b_post, checkpoint52a_post, ecco_c52_e35, checkpoint51m_post, checkpoint53d_pre, checkpoint51p_post, checkpoint51u_post
Branch point for: branch-nonh, tg2-branch, netcdf-sm0, checkpoint51n_branch
Changes since 1.4: +2 -2 lines
* reverse gravitySign back to "logical" value: +1 when R increases downward

1 jmc 1.5 C $Header: /u/gcmpack/MITgcm/model/src/calc_ivdc.F,v 1.4 2002/08/15 17:25:31 adcroft Exp $
2 cnh 1.3 C $Name: $
3 adcroft 1.1
4     #include "CPP_OPTIONS.h"
5 cnh 1.3 CBOP
6     C !ROUTINE: CALC_IVDC
7     C !INTERFACE:
8 adcroft 1.1 SUBROUTINE CALC_IVDC( bi, bj, iMin, iMax, jMin, jMax, K,
9     & rhoKm1, rhoKp1,
10     & ConvectCount, KappaRT, KappaRS,
11     & myTime,myIter, myThid )
12 cnh 1.3 C !DESCRIPTION: \bv
13     C *==========================================================*
14     C | SUBROUTINE CALC_IVDC
15     C | o Calculates Implicit Vertical Diffusivity for Convection
16     C \==========================================================*
17     C \ev
18     C !USES:
19 adcroft 1.1 IMPLICIT NONE
20     C == Global data ==
21     #include "SIZE.h"
22     #include "EEPARAMS.h"
23     #include "PARAMS.h"
24     #include "DYNVARS.h"
25     #include "GRID.h"
26     EXTERNAL DIFFERENT_MULTIPLE
27     LOGICAL DIFFERENT_MULTIPLE
28    
29 cnh 1.3 C !INPUT/OUTPUT PARAMETERS:
30 adcroft 1.1 C == Routine arguments ==
31 cnh 1.3 C bi,bj,iMin,iMax,jMin,jMax,K :: Loop counters
32     C rhoKm1 :: rho in layer above
33     C rhoKp1 :: rho in layer below
34     C myTime :: Current time in simulation
35     C myIter :: Current iteration in simulation
36     C myThid :: Thread number of this instance of S/R CONVECT
37 adcroft 1.1 INTEGER bi,bj,iMin,iMax,jMin,jMax,K
38 cnh 1.3 C KappaRT :: Vertical diffusion coeff. for theta
39     C KappaRS :: Vertical diffusion coeff. for salt
40     C ConvectCount :: Static instability counter
41 adcroft 1.1 _RL rhoKm1(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
42     _RL rhoKp1(1-OLx:sNx+OLx,1-OLy:sNy+OLy)
43     _RL ConvectCount(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)
44     _RL KappaRT(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)
45     _RL KappaRS(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr)
46     _RL myTime
47     INTEGER myIter
48     INTEGER myThid
49    
50 cnh 1.3 C !LOCAL VARIABLES:
51 adcroft 1.1 C == Local variables ==
52 cnh 1.3 C i,j :: Loop counters
53 adcroft 1.1 INTEGER i,j
54 cnh 1.3 CEOP
55 adcroft 1.1
56     C-- Where statically unstable, mix the heat and salt
57     DO j=jMin,jmax
58     DO i=iMin,imax
59     IF ( _hFacC(i,j,k,bi,bj) .GT. 0. .AND.
60 jmc 1.5 & (rhokm1(i,j)-rhokp1(i,j))*rkFac*gravitySign .LT. 0. ) THEN
61 adcroft 1.1 KappaRT(i,j,k) = ivdc_kappa
62     KappaRS(i,j,k) = ivdc_kappa
63     ConvectCount(i,j,k) = ConvectCount(i,j,k) + 1.
64     ENDIF
65     ENDDO
66     ENDDO
67    
68     RETURN
69     END

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