| 1 |
C $Header: /u/gcmpack/MITgcm/model/src/integrate_for_w.F,v 1.15 2010/09/11 21:27:13 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "CPP_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: INTEGRATE_FOR_W |
| 8 |
C !INTERFACE: |
| 9 |
SUBROUTINE INTEGRATE_FOR_W( |
| 10 |
I bi, bj, k, uFld, vFld, mFld, rStarDhDt, |
| 11 |
O wFld, |
| 12 |
I myThid ) |
| 13 |
|
| 14 |
C !DESCRIPTION: \bv |
| 15 |
C *==========================================================* |
| 16 |
C | SUBROUTINE INTEGRATE_FOR_W |
| 17 |
C | o Integrate for vertical velocity. |
| 18 |
C *==========================================================* |
| 19 |
C \ev |
| 20 |
|
| 21 |
C !USES: |
| 22 |
IMPLICIT NONE |
| 23 |
C == GLobal variables == |
| 24 |
#include "SIZE.h" |
| 25 |
#include "EEPARAMS.h" |
| 26 |
#include "PARAMS.h" |
| 27 |
#include "GRID.h" |
| 28 |
#include "SURFACE.h" |
| 29 |
|
| 30 |
C !INPUT/OUTPUT PARAMETERS: |
| 31 |
C == Routine arguments == |
| 32 |
C uFld, vFld :: Zonal and meridional flow |
| 33 |
C mFld :: added mass |
| 34 |
C rStarDhDt :: relative time derivative of column thickness = d.eta/dt / H |
| 35 |
C wFld :: Vertical flow |
| 36 |
INTEGER bi,bj,k |
| 37 |
_RL uFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 38 |
_RL vFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 39 |
#ifdef ALLOW_ADDFLUID |
| 40 |
_RL mFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 41 |
#else |
| 42 |
_RL mFld (1) |
| 43 |
#endif |
| 44 |
#if (defined NONLIN_FRSURF) && !(defined DISABLE_RSTAR_CODE) |
| 45 |
_RL rStarDhDt(1-Olx:sNx+Olx,1-Oly:sNy+Oly) |
| 46 |
#else |
| 47 |
_RL rStarDhDt(1) |
| 48 |
#endif |
| 49 |
_RL wFld (1-OLx:sNx+OLx,1-OLy:sNy+OLy,Nr,nSx,nSy) |
| 50 |
INTEGER myThid |
| 51 |
|
| 52 |
C !LOCAL VARIABLES: |
| 53 |
C == Local variables == |
| 54 |
C uTrans, vTrans :: Temps. for volume transports |
| 55 |
C conv2d :: horizontal transport convergence [m^3/s] |
| 56 |
INTEGER i,j |
| 57 |
_RL uTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 58 |
_RL vTrans(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 59 |
_RL conv2d(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 60 |
CEOP |
| 61 |
|
| 62 |
C-- Calculate velocity field "volume transports" through |
| 63 |
C tracer cell faces (anelastic: scaled as a mass transport). |
| 64 |
DO j=1,sNy+1 |
| 65 |
DO i=1,sNx+1 |
| 66 |
uTrans(i,j) = uFld(i,j,k,bi,bj) |
| 67 |
& *_dyG(i,j,bi,bj)*deepFacC(k)*rhoFacC(k) |
| 68 |
& *drF(k)*_hFacW(i,j,k,bi,bj) |
| 69 |
vTrans(i,j) = vFld(i,j,k,bi,bj) |
| 70 |
& *_dxG(i,j,bi,bj)*deepFacC(k)*rhoFacC(k) |
| 71 |
& *drF(k)*_hFacS(i,j,k,bi,bj) |
| 72 |
ENDDO |
| 73 |
ENDDO |
| 74 |
DO j=1,sNy |
| 75 |
DO i=1,sNx |
| 76 |
conv2d(i,j) = -( uTrans(i+1,j)-uTrans(i,j) |
| 77 |
& +vTrans(i,j+1)-vTrans(i,j) ) |
| 78 |
ENDDO |
| 79 |
ENDDO |
| 80 |
#ifdef ALLOW_ADDFLUID |
| 81 |
IF ( selectAddFluid.GE.1 ) THEN |
| 82 |
DO j=1,sNy |
| 83 |
DO i=1,sNx |
| 84 |
conv2d(i,j) = conv2d(i,j) |
| 85 |
& + mFld(i,j,k,bi,bj)*mass2rUnit |
| 86 |
ENDDO |
| 87 |
ENDDO |
| 88 |
ENDIF |
| 89 |
#endif /* ALLOW_ADDFLUID */ |
| 90 |
|
| 91 |
C-- Calculate vertical "volume transport" through face k |
| 92 |
C between tracer cell k-1 & k |
| 93 |
IF (rigidLid) THEN |
| 94 |
C- o Rigid-Lid case: zero at lower and upper boundaries |
| 95 |
IF (k.EQ.1) THEN |
| 96 |
DO j=1,sNy |
| 97 |
DO i=1,sNx |
| 98 |
wFld(i,j,k,bi,bj) = 0. |
| 99 |
ENDDO |
| 100 |
ENDDO |
| 101 |
ELSEIF (k.EQ.Nr) THEN |
| 102 |
DO j=1,sNy |
| 103 |
DO i=1,sNx |
| 104 |
wFld(i,j,k,bi,bj) = |
| 105 |
& conv2d(i,j)*recip_rA(i,j,bi,bj) |
| 106 |
& *maskC(i,j,k,bi,bj)*maskC(i,j,k-1,bi,bj) |
| 107 |
& *recip_deepFac2F(k)*recip_rhoFacF(k) |
| 108 |
ENDDO |
| 109 |
ENDDO |
| 110 |
ELSE |
| 111 |
DO j=1,sNy |
| 112 |
DO i=1,sNx |
| 113 |
wFld(i,j,k,bi,bj) = |
| 114 |
& ( wFld(i,j,k+1,bi,bj)*deepFac2F(k+1)*rhoFacF(k+1) |
| 115 |
& +conv2d(i,j)*recip_rA(i,j,bi,bj) |
| 116 |
& )*maskC(i,j,k,bi,bj)*maskC(i,j,k-1,bi,bj) |
| 117 |
& *recip_deepFac2F(k)*recip_rhoFacF(k) |
| 118 |
ENDDO |
| 119 |
ENDDO |
| 120 |
ENDIF |
| 121 |
#ifdef NONLIN_FRSURF |
| 122 |
# ifndef DISABLE_RSTAR_CODE |
| 123 |
ELSEIF ( select_rStar.NE.0 ) THEN |
| 124 |
C- o rStar case: zero under-ground and at r_lower boundary |
| 125 |
C can be non-zero at surface (useRealFreshWaterFlux). |
| 126 |
IF (k.EQ.Nr) THEN |
| 127 |
DO j=1,sNy |
| 128 |
DO i=1,sNx |
| 129 |
wFld(i,j,k,bi,bj) = |
| 130 |
& ( conv2d(i,j)*recip_rA(i,j,bi,bj) |
| 131 |
& -rStarDhDt(i,j)*drF(k)*h0FacC(i,j,k,bi,bj) |
| 132 |
& )*maskC(i,j,k,bi,bj) |
| 133 |
& *recip_deepFac2F(k)*recip_rhoFacF(k) |
| 134 |
ENDDO |
| 135 |
ENDDO |
| 136 |
ELSE |
| 137 |
DO j=1,sNy |
| 138 |
DO i=1,sNx |
| 139 |
wFld(i,j,k,bi,bj) = |
| 140 |
& ( wFld(i,j,k+1,bi,bj)*deepFac2F(k+1)*rhoFacF(k+1) |
| 141 |
& +conv2d(i,j)*recip_rA(i,j,bi,bj) |
| 142 |
& -rStarDhDt(i,j)*drF(k)*h0FacC(i,j,k,bi,bj) |
| 143 |
& )*maskC(i,j,k,bi,bj) |
| 144 |
& *recip_deepFac2F(k)*recip_rhoFacF(k) |
| 145 |
ENDDO |
| 146 |
ENDDO |
| 147 |
ENDIF |
| 148 |
# endif /* DISABLE_RSTAR_CODE */ |
| 149 |
# ifndef DISABLE_SIGMA_CODE |
| 150 |
ELSEIF ( selectSigmaCoord.NE.0 ) THEN |
| 151 |
C- o Hybrid Sigma coordinate: |
| 152 |
IF (k.EQ.Nr) THEN |
| 153 |
DO j=1,sNy |
| 154 |
DO i=1,sNx |
| 155 |
wFld(i,j,k,bi,bj) = |
| 156 |
& ( conv2d(i,j)*recip_rA(i,j,bi,bj) |
| 157 |
& -dEtaHdt(i,j,bi,bj)*dBHybSigF(k) |
| 158 |
& )*maskC(i,j,k,bi,bj) |
| 159 |
ENDDO |
| 160 |
ENDDO |
| 161 |
ELSE |
| 162 |
DO j=1,sNy |
| 163 |
DO i=1,sNx |
| 164 |
wFld(i,j,k,bi,bj) = |
| 165 |
& ( wFld(i,j,k+1,bi,bj) |
| 166 |
& +conv2d(i,j)*recip_rA(i,j,bi,bj) |
| 167 |
& -dEtaHdt(i,j,bi,bj)*dBHybSigF(k) |
| 168 |
& )*maskC(i,j,k,bi,bj) |
| 169 |
ENDDO |
| 170 |
ENDDO |
| 171 |
ENDIF |
| 172 |
# endif /* DISABLE_SIGMA_CODE */ |
| 173 |
#endif /* NONLIN_FRSURF */ |
| 174 |
ELSE |
| 175 |
C- o Free Surface case (r-Coordinate): |
| 176 |
C non zero at surface ; zero under-ground and at r_lower boundary |
| 177 |
IF (k.EQ.Nr) THEN |
| 178 |
DO j=1,sNy |
| 179 |
DO i=1,sNx |
| 180 |
wFld(i,j,k,bi,bj) = |
| 181 |
& conv2d(i,j)*recip_rA(i,j,bi,bj) |
| 182 |
& *maskC(i,j,k,bi,bj) |
| 183 |
& *recip_deepFac2F(k)*recip_rhoFacF(k) |
| 184 |
ENDDO |
| 185 |
ENDDO |
| 186 |
ELSE |
| 187 |
DO j=1,sNy |
| 188 |
DO i=1,sNx |
| 189 |
wFld(i,j,k,bi,bj) = |
| 190 |
& ( wFld(i,j,k+1,bi,bj)*deepFac2F(k+1)*rhoFacF(k+1) |
| 191 |
& +conv2d(i,j)*recip_rA(i,j,bi,bj) |
| 192 |
& )*maskC(i,j,k,bi,bj) |
| 193 |
& *recip_deepFac2F(k)*recip_rhoFacF(k) |
| 194 |
ENDDO |
| 195 |
ENDDO |
| 196 |
ENDIF |
| 197 |
C- endif - rigid-lid / Free-Surf. |
| 198 |
ENDIF |
| 199 |
|
| 200 |
RETURN |
| 201 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph