| 1 |
C $Header: /u/gcmpack/MITgcm/pkg/thsice/thsice_main.F,v 1.5 2005/02/11 19:33:59 jmc Exp $ |
| 2 |
C $Name: $ |
| 3 |
|
| 4 |
#include "THSICE_OPTIONS.h" |
| 5 |
|
| 6 |
CBOP |
| 7 |
C !ROUTINE: THSICE_MAIN |
| 8 |
C !INTERFACE: |
| 9 |
SUBROUTINE THSICE_MAIN( |
| 10 |
I myTime, myIter, myThid ) |
| 11 |
C !DESCRIPTION: \bv |
| 12 |
C *==========================================================* |
| 13 |
C | S/R THSICE_MAIN |
| 14 |
C | o Therm_SeaIce main routine. |
| 15 |
C | step forward Thermodynamic_SeaIce variables and modify |
| 16 |
C | ocean surface forcing accordingly. |
| 17 |
C *==========================================================* |
| 18 |
|
| 19 |
C !USES: |
| 20 |
IMPLICIT NONE |
| 21 |
|
| 22 |
C === Global variables === |
| 23 |
#include "SIZE.h" |
| 24 |
#include "EEPARAMS.h" |
| 25 |
#include "PARAMS.h" |
| 26 |
#include "GRID.h" |
| 27 |
#include "SURFACE.h" |
| 28 |
#include "DYNVARS.h" |
| 29 |
#include "FFIELDS.h" |
| 30 |
#include "THSICE_PARAMS.h" |
| 31 |
#include "THSICE_VARS.h" |
| 32 |
|
| 33 |
C !INPUT/OUTPUT PARAMETERS: |
| 34 |
C === Routine arguments === |
| 35 |
C myIter :: iteration counter for this thread |
| 36 |
C myTime :: time counter for this thread |
| 37 |
C myThid :: thread number for this instance of the routine. |
| 38 |
_RL myTime |
| 39 |
INTEGER myIter |
| 40 |
INTEGER myThid |
| 41 |
CEOP |
| 42 |
|
| 43 |
#ifdef ALLOW_THSICE |
| 44 |
C !LOCAL VARIABLES: |
| 45 |
C === Local variables === |
| 46 |
INTEGER i,j |
| 47 |
INTEGER bi,bj |
| 48 |
INTEGER iMin, iMax |
| 49 |
INTEGER jMin, jMax |
| 50 |
_RL prcAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 51 |
_RL evpAtm(1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 52 |
_RL flxSW (1-OLx:sNx+OLx,1-OLy:sNy+OLy) |
| 53 |
|
| 54 |
_RL tauFac |
| 55 |
|
| 56 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 57 |
|
| 58 |
IF ( stressReduction.GT. 0. _d 0 ) THEN |
| 59 |
C- needs new Ice Fraction in halo region to apply wind-stress reduction |
| 60 |
iMin = 1-Olx |
| 61 |
iMax = sNx+Olx-1 |
| 62 |
jMin = 1-Oly |
| 63 |
jMax = sNy+Oly-1 |
| 64 |
#ifdef ATMOSPHERIC_LOADING |
| 65 |
ELSEIF ( useRealFreshWaterFlux ) THEN |
| 66 |
C- needs sea-ice loading in part of the halo regions for grad.Phi0surf |
| 67 |
C to be valid at the boundaries ( d/dx 1:sNx+1 ; d/dy 1:sNy+1 ) |
| 68 |
iMin = 0 |
| 69 |
iMax = sNx+1 |
| 70 |
jMin = 0 |
| 71 |
jMax = sNy+1 |
| 72 |
#endif /* ATMOSPHERIC_LOADING */ |
| 73 |
ELSE |
| 74 |
iMin = 1 |
| 75 |
iMax = sNx |
| 76 |
jMin = 1 |
| 77 |
jMax = sNy |
| 78 |
ENDIF |
| 79 |
|
| 80 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 81 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 82 |
|
| 83 |
C-- Mixed layer thickness: take the 1rst layer |
| 84 |
#ifdef NONLIN_FRSURF |
| 85 |
IF ( staggerTimeStep .AND. nonlinFreeSurf.GT.0 ) THEN |
| 86 |
IF ( select_rStar.GT.0 ) THEN |
| 87 |
DO j = jMin, jMax |
| 88 |
DO i = iMin, iMax |
| 89 |
hOceMxL(i,j,bi,bj) = drF(1)*h0FacC(i,j,1,bi,bj) |
| 90 |
& *rStarFacC(i,j,bi,bj) |
| 91 |
ENDDO |
| 92 |
ENDDO |
| 93 |
ELSE |
| 94 |
DO j = jMin, jMax |
| 95 |
DO i = iMin, iMax |
| 96 |
IF ( ksurfC(i,j,bi,bj).EQ.1 ) THEN |
| 97 |
hOceMxL(i,j,bi,bj) = drF(1)*hFac_surfC(i,j,bi,bj) |
| 98 |
ELSE |
| 99 |
hOceMxL(i,j,bi,bj) = drF(1)*hfacC(i,j,1,bi,bj) |
| 100 |
ENDIF |
| 101 |
ENDDO |
| 102 |
ENDDO |
| 103 |
ENDIF |
| 104 |
ELSE |
| 105 |
#else /* ndef NONLIN_FRSURF */ |
| 106 |
IF (.TRUE.) THEN |
| 107 |
#endif /* NONLIN_FRSURF */ |
| 108 |
DO j = jMin, jMax |
| 109 |
DO i = iMin, iMax |
| 110 |
hOceMxL(i,j,bi,bj) = drF(1)*hfacC(i,j,1,bi,bj) |
| 111 |
ENDDO |
| 112 |
ENDDO |
| 113 |
ENDIF |
| 114 |
|
| 115 |
DO j = jMin, jMax |
| 116 |
DO i = iMin, iMax |
| 117 |
tOceMxL(i,j,bi,bj) = theta(i,j,1,bi,bj) |
| 118 |
sOceMxL(i,j,bi,bj) = salt (i,j,1,bi,bj) |
| 119 |
v2ocMxL(i,j,bi,bj) = |
| 120 |
& ( uvel(i,j,1,bi,bj)*uvel(i,j,1,bi,bj) |
| 121 |
& + uvel(i+1,j,1,bi,bj)*uvel(i+1,j,1,bi,bj) |
| 122 |
& + vvel(i,j+1,1,bi,bj)*vvel(i,j+1,1,bi,bj) |
| 123 |
& + vvel(i,j,1,bi,bj)*vvel(i,j,1,bi,bj) |
| 124 |
& )*0.5 _d 0 |
| 125 |
prcAtm(i,j) = 0. |
| 126 |
evpAtm(i,j) = 0. |
| 127 |
flxSW (i,j) = 0. |
| 128 |
snowPrc(i,j,bi,bj) = 0. _d 0 |
| 129 |
siceAlb(i,j,bi,bj) = 0. _d 0 |
| 130 |
ENDDO |
| 131 |
ENDDO |
| 132 |
#ifdef ALLOW_BULK_FORCE |
| 133 |
IF ( useBulkforce ) THEN |
| 134 |
CALL THSICE_GET_PRECIP( |
| 135 |
I iceMask, |
| 136 |
O prcAtm, snowPrc(1-Olx,1-Oly,bi,bj), flxSW, |
| 137 |
I iMin,iMax,jMin,jMax, bi,bj, myThid ) |
| 138 |
ENDIF |
| 139 |
#endif |
| 140 |
|
| 141 |
CALL THSICE_STEP_FWD( |
| 142 |
I bi, bj, iMin, iMax, jMin, jMax, |
| 143 |
I prcAtm, |
| 144 |
U evpAtm, flxSW, |
| 145 |
I myTime, myIter, myThid ) |
| 146 |
|
| 147 |
CALL THSICE_AVE( |
| 148 |
I evpAtm, flxSW, |
| 149 |
I bi,bj, myTime, myIter, myThid ) |
| 150 |
|
| 151 |
c ENDDO |
| 152 |
c ENDDO |
| 153 |
|
| 154 |
c IF ( .FALSE. ) THEN |
| 155 |
IF ( stressReduction.GT. 0. _d 0 ) THEN |
| 156 |
DO j = jMin, jMax |
| 157 |
DO i = iMin+1,iMax |
| 158 |
tauFac = stressReduction |
| 159 |
& *(iceMask(i-1,j,bi,bj)+iceMask(i,j,bi,bj))*0.5 _d 0 |
| 160 |
fu(i,j,bi,bj) = (1. _d 0 - tauFac)*fu(i,j,bi,bj) |
| 161 |
ENDDO |
| 162 |
ENDDO |
| 163 |
DO j = jMin+1, jMax |
| 164 |
DO i = iMin, iMax |
| 165 |
tauFac = stressReduction |
| 166 |
& *(iceMask(i,j-1,bi,bj)+iceMask(i,j,bi,bj))*0.5 _d 0 |
| 167 |
fv(i,j,bi,bj) = (1. _d 0 - tauFac)*fv(i,j,bi,bj) |
| 168 |
ENDDO |
| 169 |
ENDDO |
| 170 |
ENDIF |
| 171 |
|
| 172 |
C-- end bi,bj loop |
| 173 |
ENDDO |
| 174 |
ENDDO |
| 175 |
|
| 176 |
#ifdef ATMOSPHERIC_LOADING |
| 177 |
c IF (useRealFreshWaterFlux) _EXCH_XY_RS(sIceLoad, myThid) |
| 178 |
#endif |
| 179 |
|
| 180 |
C---+----1----+----2----+----3----+----4----+----5----+----6----+----7-|--+----| |
| 181 |
#endif /*ALLOW_THSICE*/ |
| 182 |
|
| 183 |
RETURN |
| 184 |
END |
Parent Directory
| 
Revision Log
| 
Revision Graph