| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/mom_fluxform/mom_calc_rtrans.F,v 1.4 2005/12/08 15:44:34 heimbach Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "MOM_FLUXFORM_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: MOM_CALC_RTRANS |
| 8 |
C !INTERFACE: |
| 9 |
SUBROUTINE MOM_CALC_RTRANS( |
| 10 |
I k, bi, bj, |
| 11 |
O rTransU, rTransV, |
| 12 |
I myTime, myIter, myThid) |
| 13 |
C !DESCRIPTION: \bv |
| 14 |
C *==========================================================* |
| 15 |
C | SUBROUTINE MOM_CALC_RTRANS |
| 16 |
C | o Calculate vertical transports at interface k |
| 17 |
C | above U & V points (West & South face) |
| 18 |
C *==========================================================* |
| 19 |
C | r coordinate (z or p): |
| 20 |
C | is simply half of the 2 vert. Transp at Center location |
| 21 |
C | r* coordinate: less simple since |
| 22 |
C | d.eta/dt / H has to be evaluated locally at U & V points |
| 23 |
C *==========================================================* |
| 24 |
C \ev |
| 25 |
|
| 26 |
C !USES: |
| 27 |
IMPLICIT NONE |
| 28 |
C == GLobal variables == |
| 29 |
#include "SIZE.h" |
| 30 |
#include "DYNVARS.h" |
| 31 |
#include "EEPARAMS.h" |
| 32 |
#include "PARAMS.h" |
| 33 |
#include "GRID.h" |
| 34 |
#include "SURFACE.h" |
| 35 |
#include "MOM_FLUXFORM.h" |
| 36 |
|
| 37 |
C !INPUT/OUTPUT PARAMETERS: |
| 38 |
C == Routine arguments == |
| 39 |
C k :: vertical level |
| 40 |
C bi,bj :: tile indices |
| 41 |
C rTransU :: vertical transport (above U point) |
| 42 |
C rTransV :: vertical transport (above V point) |
| 43 |
C myTime :: current time |
| 44 |
C myIter :: current iteration number |
| 45 |
C myThid :: thread number |
| 46 |
C |
| 47 |
INTEGER k, bi, bj, myIter, myThid |
| 48 |
_RL myTime |
| 49 |
_RL rTransU(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 50 |
_RL rTransV(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 51 |
|
| 52 |
C !LOCAL VARIABLES: |
| 53 |
#ifdef NONLIN_FRSURF |
| 54 |
C == Local variables in common block == |
| 55 |
C dWtransC :: vertical transp. difference between r & r* coordinates |
| 56 |
C dWtransU :: same but above u.point location (West face) |
| 57 |
C dWtransV :: same but above v.point location (South face) |
| 58 |
cph need this in a header for the adjoint |
| 59 |
cph COMMON /LOCAL_MOM_CALC_RTRANS/ |
| 60 |
cph & dWtransC, dWtransU, dWtransV |
| 61 |
cph _RL dWtransC(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 62 |
cph _RL dWtransU(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 63 |
cph _RL dWtransV(1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
| 64 |
#endif /* NONLIN_FRSURF */ |
| 65 |
C == Local variables == |
| 66 |
C I, J :: Loop counters |
| 67 |
INTEGER i,j |
| 68 |
CEOP |
| 69 |
|
| 70 |
#ifdef NONLIN_FRSURF |
| 71 |
IF ( k.EQ.Nr+1 .AND. |
| 72 |
& useRealFreshWaterFlux .AND. usingPCoords ) THEN |
| 73 |
DO j=1-OLy+1,sNy+OLy |
| 74 |
DO i=1-OLx+1,sNx+OLx |
| 75 |
rTransU(i,j) = convertEmP2rUnit* |
| 76 |
& 0.5 _d 0*( PmEpR( i ,j,bi,bj)*rA( i ,j,bi,bj) |
| 77 |
& +PmEpR(i-1,j,bi,bj)*rA(i-1,j,bi,bj) ) |
| 78 |
rTransV(i,j) = convertEmP2rUnit* |
| 79 |
& 0.5 _d 0*( PmEpR(i, j ,bi,bj)*rA(i, j ,bi,bj) |
| 80 |
& +PmEpR(i,j-1,bi,bj)*rA(i,j-1,bi,bj) ) |
| 81 |
ENDDO |
| 82 |
ENDDO |
| 83 |
ELSEIF ( k.GT.Nr ) THEN |
| 84 |
#else /* NONLIN_FRSURF */ |
| 85 |
IF ( k.GT.Nr ) THEN |
| 86 |
#endif /* NONLIN_FRSURF */ |
| 87 |
DO j=1-OLy+1,sNy+OLy |
| 88 |
DO i=1-OLx+1,sNx+OLx |
| 89 |
rTransU(i,j) = 0. |
| 90 |
rTransV(i,j) = 0. |
| 91 |
ENDDO |
| 92 |
ENDDO |
| 93 |
ELSE |
| 94 |
C- Calculate vertical transports above U & V points (West & South face): |
| 95 |
DO j=1-OLy+1,sNy+OLy |
| 96 |
DO i=1-OLx+1,sNx+OLx |
| 97 |
rTransU(i,j) = |
| 98 |
& 0.5 _d 0*( wVel(i-1,j,k,bi,bj)*rA(i-1,j,bi,bj) |
| 99 |
& +wVel( i ,j,k,bi,bj)*rA( i ,j,bi,bj) ) |
| 100 |
rTransV(i,j) = |
| 101 |
& 0.5 _d 0*( wVel(i,j-1,k,bi,bj)*rA(i,j-1,bi,bj) |
| 102 |
& +wVel(i, j ,k,bi,bj)*rA(i, j ,bi,bj) ) |
| 103 |
ENDDO |
| 104 |
ENDDO |
| 105 |
ENDIF |
| 106 |
|
| 107 |
#ifdef NONLIN_FRSURF |
| 108 |
C--- Modify rTransU & rTransV when using r* coordinate: |
| 109 |
IF ( select_rStar.NE.0 ) THEN |
| 110 |
# ifndef DISABLE_RSTAR_CODE |
| 111 |
|
| 112 |
IF ( k.EQ.1) THEN |
| 113 |
C- Initialise dWtrans : |
| 114 |
DO j=1-OLy,sNy+OLy |
| 115 |
DO i=1-OLx,sNx+OLx |
| 116 |
dWtransC(i,j,bi,bj) = rStarDhCDt(i,j,bi,bj) |
| 117 |
& *(Ro_surf(i,j,bi,bj)-R_low(i,j,bi,bj)) |
| 118 |
& *rA(i,j,bi,bj) |
| 119 |
ENDDO |
| 120 |
ENDDO |
| 121 |
DO j=1-OLy+1,sNy+OLy |
| 122 |
DO i=1-OLx+1,sNx+OLx |
| 123 |
dWtransU(i,j,bi,bj) = |
| 124 |
& 0.5 _d 0*(dWtransC(i-1,j,bi,bj)+dWtransC(i,j,bi,bj)) |
| 125 |
dWtransV(i,j,bi,bj) = |
| 126 |
& 0.5 _d 0*(dWtransC(i,j-1,bi,bj)+dWtransC(i,j,bi,bj)) |
| 127 |
ENDDO |
| 128 |
ENDDO |
| 129 |
|
| 130 |
ELSEIF (k.LE.Nr) THEN |
| 131 |
C- Update dWtrans from previous value (interface k-1): |
| 132 |
DO j=1-OLy,sNy+OLy |
| 133 |
DO i=1-OLx,sNx+OLx |
| 134 |
dWtransC(i,j,bi,bj) = dWtransC(i,j,bi,bj) |
| 135 |
& - rStarDhCDt(i,j,bi,bj)*drF(k-1)*h0FacC(i,j,k-1,bi,bj) |
| 136 |
& *rA(i,j,bi,bj) |
| 137 |
ENDDO |
| 138 |
ENDDO |
| 139 |
DO j=1-OLy+1,sNy+OLy |
| 140 |
DO i=1-OLx+1,sNx+OLx |
| 141 |
dWtransU(i,j,bi,bj) = dWtransU(i,j,bi,bj) |
| 142 |
& - rStarDhWDt(i,j,bi,bj)*drF(k-1)*h0FacW(i,j,k-1,bi,bj) |
| 143 |
& *rAw(i,j,bi,bj) |
| 144 |
dWtransV(i,j,bi,bj) = dWtransV(i,j,bi,bj) |
| 145 |
& - rStarDhSDt(i,j,bi,bj)*drF(k-1)*h0FacS(i,j,k-1,bi,bj) |
| 146 |
& *rAs(i,j,bi,bj) |
| 147 |
ENDDO |
| 148 |
ENDDO |
| 149 |
C- Modify rTransU & rTransV : |
| 150 |
DO j=1-OLy+1,sNy+OLy |
| 151 |
DO i=1-OLx+1,sNx+OLx |
| 152 |
rTransU(i,j) = rTransU(i,j)-dWtransU(i,j,bi,bj) |
| 153 |
& + (dWtransC(i-1,j,bi,bj)+dWtransC(i,j,bi,bj))*0.5 _d 0 |
| 154 |
rTransV(i,j) = rTransV(i,j)-dWtransV(i,j,bi,bj) |
| 155 |
& + (dWtransC(i,j-1,bi,bj)+dWtransC(i,j,bi,bj))*0.5 _d 0 |
| 156 |
ENDDO |
| 157 |
ENDDO |
| 158 |
|
| 159 |
ENDIF |
| 160 |
|
| 161 |
# endif /* DISABLE_RSTAR_CODE */ |
| 162 |
ENDIF |
| 163 |
|
| 164 |
#endif /* NONLIN_FRSURF */ |
| 165 |
|
| 166 |
RETURN |
| 167 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph