| 1 |
C $Header: /u/gcmpack/MITgcm/model/src/convect.F,v 1.25 2005/06/22 00:25:32 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "PACKAGES_CONFIG.h" |
| 5 |
#include "CPP_OPTIONS.h" |
| 6 |
|
| 7 |
CBOP |
| 8 |
C !ROUTINE: CONVECT |
| 9 |
C !INTERFACE: |
| 10 |
SUBROUTINE CONVECT( bi, bj, iMin, iMax, jMin, jMax, K, |
| 11 |
& rhoKm1, rhoKp1, ConvectCount, |
| 12 |
& myTime,myIter, myThid ) |
| 13 |
C !DESCRIPTION: \bv |
| 14 |
C *==========================================================* |
| 15 |
C | SUBROUTINE CONVECT |
| 16 |
C | o Does vertical mixing of unstable water columns |
| 17 |
C *==========================================================* |
| 18 |
C | Uses simple homgenisation scheme between unstable |
| 19 |
C | layers. |
| 20 |
C *==========================================================* |
| 21 |
C \ev |
| 22 |
C !USES: |
| 23 |
IMPLICIT NONE |
| 24 |
C == Global data == |
| 25 |
#include "SIZE.h" |
| 26 |
#include "EEPARAMS.h" |
| 27 |
#include "PARAMS.h" |
| 28 |
#include "DYNVARS.h" |
| 29 |
#include "GRID.h" |
| 30 |
|
| 31 |
EXTERNAL DIFFERENT_MULTIPLE |
| 32 |
LOGICAL DIFFERENT_MULTIPLE |
| 33 |
|
| 34 |
C !INPUT/OUTPUT PARAMETERS: |
| 35 |
C == Routine arguments == |
| 36 |
C bi,bj,iMin,iMax,jMin,jMax,K - Loop counters |
| 37 |
C rhoKm1 - rho in layer above |
| 38 |
C rhoKp1 - rho in layer below |
| 39 |
C myTime - Current time in simulation |
| 40 |
C myIter - Current iteration in simulation |
| 41 |
C myThid - Thread number of this instance of S/R CONVECT |
| 42 |
INTEGER bi,bj,iMin,iMax,jMin,jMax,K |
| 43 |
_RL rhoKm1(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 44 |
_RL rhoKp1(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 45 |
_RL ConvectCount(1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr) |
| 46 |
_RL myTime |
| 47 |
INTEGER myIter |
| 48 |
INTEGER myThid |
| 49 |
|
| 50 |
C !LOCAL VARIABLES: |
| 51 |
C == Local variables == |
| 52 |
C i,j :: Loop counter |
| 53 |
C tMix :: Temp. for calculation of mixed theta. |
| 54 |
C sMix :: Temp. for calculation of mixed salt. |
| 55 |
C dSum :: Temp. for layer thicknesses |
| 56 |
INTEGER i,j |
| 57 |
_RL tMix(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 58 |
_RL sMix(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 59 |
_RL dSum(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 60 |
CEOP |
| 61 |
|
| 62 |
C-- Check to see if should convect now |
| 63 |
IF ( DIFFERENT_MULTIPLE(cAdjFreq,myTime,deltaTClock) |
| 64 |
& ) THEN |
| 65 |
|
| 66 |
C-- Calculate heat content of two level column |
| 67 |
DO j=jMin,jmax |
| 68 |
DO i=iMin,imax |
| 69 |
tMix(i,j) = theta(i,j,k-1,bi,bj) |
| 70 |
& *_hFacC(i,j,k-1,bi,bj)*drF(k-1) |
| 71 |
& +theta(i,j,k,bi,bj) |
| 72 |
& *_hFacC(i,j,k,bi,bj)*drF(k) |
| 73 |
sMix(i,j) = salt (i,j,k-1,bi,bj) |
| 74 |
& *_hFacC(i,j,k-1,bi,bj)*drF(k-1) |
| 75 |
& +salt (i,j,k,bi,bj) |
| 76 |
& *_hFacC(i,j,k,bi,bj)*drF(k) |
| 77 |
dSum(i,j) = _hFacC(i,j,k-1,bi,bj)*drF(k-1) |
| 78 |
& +_hFacC(i,j,k,bi,bj)*drF(k) |
| 79 |
ENDDO |
| 80 |
ENDDO |
| 81 |
|
| 82 |
C-- Where statically unstable, mix the heat and salt |
| 83 |
DO j=jMin,jmax |
| 84 |
DO i=iMin,imax |
| 85 |
IF ( _hFacC(i,j,k,bi,bj) .GT. 0. .AND. |
| 86 |
& (rhokm1(i,j)-rhokp1(i,j))*rkSign*gravitySign .GT. 0. |
| 87 |
& ) THEN |
| 88 |
theta(i,j,k-1,bi,bj) = tMix(i,j)/dSum(i,j) |
| 89 |
theta(i,j,k ,bi,bj) = tMix(i,j)/dSum(i,j) |
| 90 |
salt(i,j,k-1,bi,bj) = sMix(i,j)/dSum(i,j) |
| 91 |
salt(i,j,k ,bi,bj) = sMix(i,j)/dSum(i,j) |
| 92 |
ConvectCount(i,j,k) = ConvectCount(i,j,k) + 1. |
| 93 |
ENDIF |
| 94 |
ENDDO |
| 95 |
ENDDO |
| 96 |
|
| 97 |
ENDIF |
| 98 |
|
| 99 |
RETURN |
| 100 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph