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mlosch |
1.35 |
C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_init_varia.F,v 1.34 2009/03/18 12:56:21 mlosch Exp $ |
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heimbach |
1.1 |
C $Name: $ |
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#include "SEAICE_OPTIONS.h" |
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CStartOfInterface |
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SUBROUTINE SEAICE_INIT_VARIA( myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE SEAICE_INIT_VARIA | |
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C | o Initialization of sea ice model. | |
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C |==========================================================| |
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C \==========================================================/ |
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IMPLICIT NONE |
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jmc |
1.23 |
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heimbach |
1.1 |
C === Global variables === |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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dimitri |
1.21 |
#include "DYNVARS.h" |
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heimbach |
1.1 |
#include "SEAICE.h" |
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#include "SEAICE_DIAGS.h" |
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#include "SEAICE_PARAMS.h" |
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#include "FFIELDS.h" |
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#ifdef ALLOW_EXCH2 |
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dimitri |
1.24 |
# include "W2_EXCH2_TOPOLOGY.h" |
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# include "W2_EXCH2_PARAMS.h" |
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#endif |
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dimitri |
1.11 |
#ifdef ALLOW_OBCS |
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dimitri |
1.24 |
# include "OBCS_OPTIONS.h" |
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# include "OBCS.h" |
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#endif |
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heimbach |
1.1 |
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C === Routine arguments === |
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C myThid - Thread no. that called this routine. |
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INTEGER myThid |
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CEndOfInterface |
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jmc |
1.23 |
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heimbach |
1.1 |
C === Local variables === |
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C i,j,k,bi,bj - Loop counters |
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INTEGER i, j, k, bi, bj |
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mlosch |
1.8 |
_RL PSTAR |
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heimbach |
1.1 |
_RS mask_uice |
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INTEGER myIter, myTile |
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dimitri |
1.11 |
#ifdef ALLOW_OBCS |
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INTEGER I_obc, J_obc, kSurface |
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jmc |
1.23 |
IF ( buoyancyRelation .EQ. 'OCEANICP' ) THEN |
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kSurface = Nr |
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ELSE |
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dimitri |
1.11 |
kSurface = 1 |
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jmc |
1.23 |
ENDIF |
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dimitri |
1.11 |
#endif /* ALLOW_OBCS */ |
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jmc |
1.23 |
C-- Initialise all variables in common blocks: |
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heimbach |
1.1 |
DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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jmc |
1.23 |
DO k=1,3 |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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HEFF(i,j,k,bi,bj)=0. _d 0 |
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AREA(i,j,k,bi,bj)=0. _d 0 |
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UICE(i,j,k,bi,bj)=0. _d 0 |
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VICE(i,j,k,bi,bj)=0. _d 0 |
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ENDDO |
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ENDDO |
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ENDDO |
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#ifdef SEAICE_MULTICATEGORY |
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DO k=1,MULTDIM |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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TICES(i,j,k,bi,bj)=0. _d 0 |
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heimbach |
1.1 |
ENDDO |
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ENDDO |
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ENDDO |
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jmc |
1.23 |
#endif |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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ETA (i,j,bi,bj) = 0. _d 0 |
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ZETA(i,j,bi,bj) = 0. _d 0 |
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DRAGS(i,j,bi,bj) = 0. _d 0 |
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DRAGA(i,j,bi,bj) = 0. _d 0 |
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FORCEX(i,j,bi,bj) = 0. _d 0 |
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FORCEY(i,j,bi,bj) = 0. _d 0 |
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UICEC(i,j,bi,bj) = 0. _d 0 |
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VICEC(i,j,bi,bj) = 0. _d 0 |
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#ifdef SEAICE_CGRID |
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seaiceMassC(i,j,bi,bj)=0. _d 0 |
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seaiceMassU(i,j,bi,bj)=0. _d 0 |
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seaiceMassV(i,j,bi,bj)=0. _d 0 |
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seaiceMaskU(i,j,bi,bj)=0. _d 0 |
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seaiceMaskV(i,j,bi,bj)=0. _d 0 |
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# ifdef SEAICE_ALLOW_EVP |
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stressDivergenceX(i,j,bi,bj) = 0. _d 0 |
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stressDivergenceY(i,j,bi,bj) = 0. _d 0 |
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seaice_sigma1 (i,j,bi,bj) = 0. _d 0 |
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seaice_sigma2 (i,j,bi,bj) = 0. _d 0 |
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seaice_sigma12(i,j,bi,bj) = 0. _d 0 |
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# endif /* SEAICE_ALLOW_EVP */ |
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#else /* SEAICE_CGRID */ |
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AMASS(i,j,bi,bj) = 0. _d 0 |
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DAIRN(i,j,bi,bj) = 0. _d 0 |
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UVM(i,j,bi,bj) = 0. _d 0 |
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WINDX(i,j,bi,bj) = 0. _d 0 |
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WINDY(i,j,bi,bj) = 0. _d 0 |
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dimitri |
1.25 |
GWATX(i,j,bi,bj) = 0. _d 0 |
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GWATY(i,j,bi,bj) = 0. _d 0 |
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KGEO(i,j,bi,bj) = 0 |
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jmc |
1.23 |
#endif /* SEAICE_CGRID */ |
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DWATN(i,j,bi,bj) = 0. _d 0 |
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PRESS0(i,j,bi,bj) = 0. _d 0 |
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FORCEX0(i,j,bi,bj)= 0. _d 0 |
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FORCEY0(i,j,bi,bj)= 0. _d 0 |
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ZMAX(i,j,bi,bj) = 0. _d 0 |
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ZMIN(i,j,bi,bj) = 0. _d 0 |
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HSNOW(i,j,bi,bj) = 0. _d 0 |
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dimitri |
1.18 |
#ifdef SEAICE_SALINITY |
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jmc |
1.23 |
HSALT(i,j,bi,bj) = 0. _d 0 |
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#endif |
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dimitri |
1.33 |
#ifdef SEAICE_AGE |
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ICEAGE(i,j,bi,bj) = 0. _d 0 |
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#endif |
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jmc |
1.23 |
HEFFM(i,j,bi,bj) = 0. _d 0 |
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YNEG (i,j,bi,bj) = 0. _d 0 |
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RIVER(i,j,bi,bj) = 0. _d 0 |
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TMIX(i,j,bi,bj) = 0. _d 0 |
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TICE(i,j,bi,bj) = 0. _d 0 |
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TAUX(i,j,bi,bj) = 0. _d 0 |
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TAUY(i,j,bi,bj) = 0. _d 0 |
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#ifdef ALLOW_SEAICE_COST_EXPORT |
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uHeffExportCell(i,j,bi,bj) = 0. _d 0 |
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vHeffExportCell(i,j,bi,bj) = 0. _d 0 |
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dimitri |
1.18 |
#endif |
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heimbach |
1.32 |
saltWtrIce(i,j,bi,bj) = 0. _d 0 |
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frWtrIce(i,j,bi,bj) = 0. _d 0 |
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frWtrAtm(i,j,bi,bj) = 0. _d 0 |
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heimbach |
1.1 |
ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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C-- Initialize grid info |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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HEFFM(i,j,bi,bj)=ONE |
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heimbach |
1.10 |
IF (_hFacC(i,j,1,bi,bj).eq.0.) HEFFM(i,j,bi,bj)=0. _d 0 |
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heimbach |
1.1 |
ENDDO |
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ENDDO |
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jmc |
1.23 |
DO j=1-OLy+1,sNy+OLy |
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DO i=1-OLx+1,sNx+OLx |
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dimitri |
1.22 |
#ifdef SEAICE_CGRID |
155 |
jmc |
1.23 |
seaiceMaskU(i,j,bi,bj)= 0.0 _d 0 |
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seaiceMaskV(i,j,bi,bj)= 0.0 _d 0 |
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mask_uice=HEFFM(i,j,bi,bj)+HEFFM(i-1,j ,bi,bj) |
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IF(mask_uice.GT.1.5) seaiceMaskU(i,j,bi,bj)=ONE |
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mask_uice=HEFFM(i,j,bi,bj)+HEFFM(i ,j-1,bi,bj) |
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IF(mask_uice.GT.1.5) seaiceMaskV(i,j,bi,bj)=ONE |
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dimitri |
1.22 |
#else |
162 |
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UVM(i,j,bi,bj)=0. _d 0 |
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jmc |
1.23 |
mask_uice=HEFFM(i,j, bi,bj)+HEFFM(i-1,j-1,bi,bj) |
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& +HEFFM(i,j-1,bi,bj)+HEFFM(i-1,j, bi,bj) |
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IF(mask_uice.GT.3.5) UVM(i,j,bi,bj)=ONE |
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dimitri |
1.22 |
#endif /* SEAICE_CGRID */ |
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ENDDO |
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ENDDO |
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mlosch |
1.34 |
#ifdef SEAICE_CGRID |
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C coefficients for metric terms |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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k1AtC(I,J,bi,bj) = 0.0 _d 0 |
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k1AtZ(I,J,bi,bj) = 0.0 _d 0 |
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k2AtC(I,J,bi,bj) = 0.0 _d 0 |
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k2AtZ(I,J,bi,bj) = 0.0 _d 0 |
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ENDDO |
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ENDDO |
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IF ( usingSphericalPolarGrid .AND. SEAICEuseMetricTerms ) THEN |
180 |
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C This is the only case where tan(phi) is not zero. In this case |
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C C and U points, and Z and V points have the same phi, so that we |
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C only need a copy here. Do not use tan(YC) and tan(YG), because these |
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C can be the geographical coordinates and not the correct grid |
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C coordinates when the grid is rotated (phi/theta/psiEuler .NE. 0) |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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k2AtC(I,J,bi,bj) = - _tanPhiAtU(I,J,bi,bj)*recip_rSphere |
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k2AtZ(I,J,bi,bj) = - _tanPhiAtV(I,J,bi,bj)*recip_rSphere |
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ENDDO |
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ENDDO |
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ELSEIF ( usingCurvilinearGrid .AND. SEAICEuseMetricTerms ) THEN |
192 |
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C compute metric term coefficients from finite difference approximation |
193 |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx-1 |
195 |
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k1AtC(I,J,bi,bj) = _recip_dyF(I,J,bi,bj) |
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& * ( _dyG(I+1,J,bi,bj) - _dyG(I,J,bi,bj) ) |
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& * _recip_dxF(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx+1,sNx+OLx |
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k1AtZ(I,J,bi,bj) = _recip_dyU(I,J,bi,bj) |
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& * ( _dyC(I,J,bi,bj) - _dyC(I-1,J,bi,bj) ) |
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& * _recip_dxV(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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DO j=1-OLy,sNy+OLy-1 |
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DO i=1-OLx,sNx+OLx |
209 |
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k2AtC(I,J,bi,bj) = _recip_dxF(I,J,bi,bj) |
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& * ( _dxG(I,J+1,bi,bj) - _dxG(I,J,bi,bj) ) |
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& * _recip_dyF(I,J,bi,bj) |
212 |
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ENDDO |
213 |
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ENDDO |
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DO j=1-OLy+1,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
216 |
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k2AtC(I,J,bi,bj) = _recip_dxV(I,J,bi,bj) |
217 |
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& * ( _dxC(I,J,bi,bj) - _dxC(I,J-1,bi,bj) ) |
218 |
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& * _recip_dyU(I,J,bi,bj) |
219 |
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ENDDO |
220 |
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ENDDO |
221 |
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ENDIF |
222 |
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#endif /* SEAICE_CGRID */ |
223 |
dimitri |
1.11 |
|
224 |
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#ifdef ALLOW_OBCS |
225 |
dimitri |
1.16 |
IF (useOBCS) THEN |
226 |
dimitri |
1.22 |
C-- If OBCS is turned on, close southern and western boundaries |
227 |
dimitri |
1.11 |
#ifdef ALLOW_OBCS_SOUTH |
228 |
jmc |
1.23 |
DO i=1-Olx,sNx+Olx |
229 |
dimitri |
1.11 |
C Southern boundary |
230 |
jmc |
1.23 |
J_obc = OB_Js(i,bi,bj) |
231 |
dimitri |
1.16 |
IF (J_obc.NE.0) THEN |
232 |
dimitri |
1.22 |
#ifdef SEAICE_CGRID |
233 |
jmc |
1.23 |
seaiceMaskU(i,J_obc,bi,bj)= 0.0 _d 0 |
234 |
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seaiceMaskV(i,J_obc,bi,bj)= 0.0 _d 0 |
235 |
dimitri |
1.22 |
#else |
236 |
jmc |
1.23 |
UVM(i,J_obc,bi,bj)=0. _d 0 |
237 |
dimitri |
1.22 |
#endif /* SEAICE_CGRID */ |
238 |
dimitri |
1.16 |
ENDIF |
239 |
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ENDDO |
240 |
dimitri |
1.22 |
#endif /* ALLOW_OBCS_SOUTH */ |
241 |
dimitri |
1.11 |
#ifdef ALLOW_OBCS_WEST |
242 |
jmc |
1.23 |
DO j=1-Oly,sNy+Oly |
243 |
dimitri |
1.11 |
C Western boundary |
244 |
jmc |
1.23 |
I_obc=OB_Iw(j,bi,bj) |
245 |
dimitri |
1.16 |
IF (I_obc.NE.0) THEN |
246 |
dimitri |
1.22 |
#ifdef SEAICE_CGRID |
247 |
jmc |
1.23 |
seaiceMaskU(I_obc,j,bi,bj)= 0.0 _d 0 |
248 |
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seaiceMaskV(I_obc,j,bi,bj)= 0.0 _d 0 |
249 |
dimitri |
1.22 |
#else |
250 |
jmc |
1.23 |
UVM(I_obc,j,bi,bj)=0. _d 0 |
251 |
dimitri |
1.22 |
#endif /* SEAICE_CGRID */ |
252 |
dimitri |
1.16 |
ENDIF |
253 |
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ENDDO |
254 |
dimitri |
1.22 |
#endif /* ALLOW_OBCS_WEST */ |
255 |
dimitri |
1.16 |
ENDIF |
256 |
dimitri |
1.11 |
#endif /* ALLOW_OBCS */ |
257 |
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258 |
heimbach |
1.1 |
#ifdef ALLOW_EXCH2 |
259 |
dimitri |
1.11 |
#ifndef SEAICE_CGRID |
260 |
heimbach |
1.1 |
C-- Special stuff for cubed sphere: assume grid is rectangular and |
261 |
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C set UV mask to zero except for Arctic and Antarctic cube faces. |
262 |
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IF (useCubedSphereExchange) THEN |
263 |
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myTile = W2_myTileList(bi) |
264 |
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IF ( exch2_myFace(myTile) .EQ. 1 .OR. |
265 |
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& exch2_myFace(myTile) .EQ. 2 .OR. |
266 |
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& exch2_myFace(myTile) .EQ. 4 .OR. |
267 |
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& exch2_myFace(myTile) .EQ. 5 ) THEN |
268 |
jmc |
1.23 |
DO j=1-OLy,sNy+OLy |
269 |
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DO i=1-OLx,sNx+OLx |
270 |
heimbach |
1.10 |
UVM(i,j,bi,bj)=0. _d 0 |
271 |
heimbach |
1.1 |
ENDDO |
272 |
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ENDDO |
273 |
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ELSEIF ( exch2_isWedge(myTile) .EQ. 1 ) THEN |
274 |
jmc |
1.23 |
i=1 |
275 |
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DO j=1-OLy,sNy+OLy |
276 |
heimbach |
1.10 |
UVM(i,j,bi,bj)=0. _d 0 |
277 |
heimbach |
1.1 |
ENDDO |
278 |
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ELSEIF ( exch2_isSedge(myTile) .EQ. 1 ) THEN |
279 |
jmc |
1.23 |
j=1 |
280 |
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DO i=1-OLx,sNx+OLx |
281 |
heimbach |
1.10 |
UVM(i,j,bi,bj)=0. _d 0 |
282 |
heimbach |
1.1 |
ENDDO |
283 |
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ENDIF |
284 |
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ENDIF |
285 |
dimitri |
1.11 |
#endif /* SEAICE_CGRID */ |
286 |
heimbach |
1.1 |
#endif /* ALLOW_EXCH2 */ |
287 |
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288 |
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DO j=1-OLy,sNy+OLy |
289 |
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DO i=1-OLx,sNx+OLx |
290 |
jmc |
1.23 |
TICE(i,j,bi,bj)=273.0 _d 0 |
291 |
mlosch |
1.2 |
#ifdef SEAICE_MULTICATEGORY |
292 |
heimbach |
1.1 |
DO k=1,MULTDIM |
293 |
jmc |
1.23 |
TICES(i,j,k,bi,bj)=273.0 _d 0 |
294 |
heimbach |
1.1 |
ENDDO |
295 |
mlosch |
1.2 |
#endif /* SEAICE_MULTICATEGORY */ |
296 |
heimbach |
1.1 |
#ifndef SEAICE_CGRID |
297 |
jmc |
1.23 |
AMASS (i,j,bi,bj)=1000.0 _d 0 |
298 |
heimbach |
1.1 |
#else |
299 |
jmc |
1.23 |
seaiceMassC(i,j,bi,bj)=1000.0 _d 0 |
300 |
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seaiceMassU(i,j,bi,bj)=1000.0 _d 0 |
301 |
|
|
seaiceMassV(i,j,bi,bj)=1000.0 _d 0 |
302 |
heimbach |
1.1 |
#endif |
303 |
|
|
ENDDO |
304 |
|
|
ENDDO |
305 |
|
|
|
306 |
dimitri |
1.25 |
#ifndef SEAICE_CGRID |
307 |
heimbach |
1.1 |
C-- Choose a proxy level for geostrophic velocity, |
308 |
|
|
DO j=1-OLy,sNy+OLy |
309 |
|
|
DO i=1-OLx,sNx+OLx |
310 |
mlosch |
1.35 |
#ifdef SEAICE_BICE_STRESS |
311 |
jmc |
1.23 |
KGEO(i,j,bi,bj) = 1 |
312 |
mlosch |
1.35 |
#else /* SEAICE_BICE_STRESS */ |
313 |
heimbach |
1.1 |
IF (klowc(i,j,bi,bj) .LT. 2) THEN |
314 |
jmc |
1.23 |
KGEO(i,j,bi,bj) = 1 |
315 |
heimbach |
1.1 |
ELSE |
316 |
jmc |
1.23 |
KGEO(i,j,bi,bj) = 2 |
317 |
|
|
DO WHILE ( abs(rC(KGEO(i,j,bi,bj))) .LT. 50.0 .AND. |
318 |
|
|
& KGEO(i,j,bi,bj) .LT. (klowc(i,j,bi,bj)-1) ) |
319 |
|
|
KGEO(i,j,bi,bj) = KGEO(i,j,bi,bj) + 1 |
320 |
heimbach |
1.1 |
ENDDO |
321 |
|
|
ENDIF |
322 |
mlosch |
1.35 |
#endif /* SEAICE_BICE_STRESS */ |
323 |
heimbach |
1.1 |
ENDDO |
324 |
|
|
ENDDO |
325 |
dimitri |
1.25 |
#endif /* SEAICE_CGRID */ |
326 |
heimbach |
1.1 |
|
327 |
|
|
ENDDO |
328 |
|
|
ENDDO |
329 |
|
|
|
330 |
|
|
C-- Update overlap regions |
331 |
|
|
#ifdef SEAICE_CGRID |
332 |
|
|
CALL EXCH_UV_XY_RL(seaiceMaskU,seaiceMaskV,.FALSE.,myThid) |
333 |
|
|
#else |
334 |
|
|
_EXCH_XY_R8(UVM, myThid) |
335 |
|
|
#endif |
336 |
|
|
|
337 |
|
|
C-- Now lets look at all these beasts |
338 |
|
|
IF ( debugLevel .GE. debLevB ) THEN |
339 |
|
|
myIter=0 |
340 |
|
|
CALL PLOT_FIELD_XYRL( HEFFM , 'Current HEFFM ' , |
341 |
|
|
& myIter, myThid ) |
342 |
|
|
#ifdef SEAICE_CGRID |
343 |
|
|
CALL PLOT_FIELD_XYRL( seaiceMaskU, 'Current seaiceMaskU', |
344 |
|
|
& myIter, myThid ) |
345 |
|
|
CALL PLOT_FIELD_XYRL( seaiceMaskV, 'Current seaiceMaskV', |
346 |
|
|
& myIter, myThid ) |
347 |
|
|
#else |
348 |
|
|
CALL PLOT_FIELD_XYRL( UVM , 'Current UVM ' , |
349 |
|
|
& myIter, myThid ) |
350 |
|
|
#endif |
351 |
|
|
ENDIF |
352 |
|
|
|
353 |
|
|
C-- Set model variables to initial/restart conditions |
354 |
mlosch |
1.26 |
IF ( .NOT. ( startTime .EQ. baseTime .AND. nIter0 .EQ. 0 |
355 |
|
|
& .AND. pickupSuff .EQ. ' ') ) THEN |
356 |
heimbach |
1.1 |
|
357 |
|
|
CALL SEAICE_READ_PICKUP ( myThid ) |
358 |
|
|
|
359 |
|
|
ELSE |
360 |
|
|
|
361 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
362 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
363 |
|
|
DO j=1-OLy,sNy+OLy |
364 |
|
|
DO i=1-OLx,sNx+OLx |
365 |
jmc |
1.23 |
TMIX(i,j,bi,bj)=TICE(i,j,bi,bj) |
366 |
heimbach |
1.1 |
DO k=1,3 |
367 |
jmc |
1.23 |
HEFF(i,j,k,bi,bj)=SEAICE_initialHEFF*HEFFM(i,j,bi,bj) |
368 |
|
|
UICE(i,j,k,bi,bj)=ZERO |
369 |
|
|
VICE(i,j,k,bi,bj)=ZERO |
370 |
heimbach |
1.1 |
ENDDO |
371 |
|
|
ENDDO |
372 |
|
|
ENDDO |
373 |
|
|
ENDDO |
374 |
|
|
ENDDO |
375 |
|
|
|
376 |
|
|
C-- Read initial sea-ice thickness from file if available. |
377 |
|
|
IF ( HeffFile .NE. ' ' ) THEN |
378 |
|
|
CALL READ_FLD_XY_RL( HeffFile, ' ', ZETA, 0, myThid ) |
379 |
|
|
_EXCH_XY_R8(ZETA,myThid) |
380 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
381 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
382 |
|
|
DO j=1-OLy,sNy+OLy |
383 |
|
|
DO i=1-OLx,sNx+OLx |
384 |
|
|
DO k=1,3 |
385 |
jmc |
1.23 |
HEFF(i,j,k,bi,bj) = MAX(ZETA(i,j,bi,bj),ZERO) |
386 |
heimbach |
1.1 |
ENDDO |
387 |
|
|
ENDDO |
388 |
|
|
ENDDO |
389 |
|
|
ENDDO |
390 |
|
|
ENDDO |
391 |
|
|
ENDIF |
392 |
|
|
|
393 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
394 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
395 |
|
|
DO j=1-OLy,sNy+OLy |
396 |
|
|
DO i=1-OLx,sNx+OLx |
397 |
|
|
DO k=1,3 |
398 |
jmc |
1.23 |
IF(HEFF(i,j,k,bi,bj).GT.ZERO) |
399 |
|
|
& AREA(i,j,k,bi,bj)=ONE |
400 |
heimbach |
1.1 |
ENDDO |
401 |
|
|
ENDDO |
402 |
|
|
ENDDO |
403 |
|
|
ENDDO |
404 |
|
|
ENDDO |
405 |
jmc |
1.23 |
|
406 |
dimitri |
1.27 |
C-- Read initial sea-ice area from file if available. |
407 |
mlosch |
1.7 |
IF ( AreaFile .NE. ' ' ) THEN |
408 |
|
|
CALL READ_FLD_XY_RL( AreaFile, ' ', ZETA, 0, myThid ) |
409 |
|
|
_EXCH_XY_R8(ZETA,myThid) |
410 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
411 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
412 |
|
|
DO j=1-OLy,sNy+OLy |
413 |
|
|
DO i=1-OLx,sNx+OLx |
414 |
|
|
DO k=1,3 |
415 |
jmc |
1.23 |
AREA(i,j,k,bi,bj) = MAX(ZETA(i,j,bi,bj),ZERO) |
416 |
|
|
AREA(i,j,k,bi,bj) = MIN(AREA(i,j,k,bi,bj),ONE) |
417 |
|
|
IF ( AREA(i,j,k,bi,bj) .LE. ZERO ) |
418 |
|
|
& HEFF(i,j,k,bi,bj) = ZERO |
419 |
|
|
IF ( HEFF(i,j,k,bi,bj) .LE. ZERO ) |
420 |
|
|
& AREA(i,j,k,bi,bj) = ZERO |
421 |
mlosch |
1.7 |
ENDDO |
422 |
|
|
ENDDO |
423 |
|
|
ENDDO |
424 |
|
|
ENDDO |
425 |
|
|
ENDDO |
426 |
|
|
ENDIF |
427 |
|
|
|
428 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
429 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
430 |
|
|
DO j=1-OLy,sNy+OLy |
431 |
|
|
DO i=1-OLx,sNx+OLx |
432 |
jmc |
1.23 |
HSNOW(i,j,bi,bj)=0.2*AREA(i,j,1,bi,bj) |
433 |
mlosch |
1.7 |
ENDDO |
434 |
|
|
ENDDO |
435 |
|
|
ENDDO |
436 |
|
|
ENDDO |
437 |
dimitri |
1.9 |
|
438 |
|
|
C-- Read initial snow thickness from file if available. |
439 |
|
|
IF ( HsnowFile .NE. ' ' ) THEN |
440 |
|
|
CALL READ_FLD_XY_RL( HsnowFile, ' ', ZETA, 0, myThid ) |
441 |
|
|
_EXCH_XY_R8(ZETA,myThid) |
442 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
443 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
444 |
|
|
DO j=1-OLy,sNy+OLy |
445 |
|
|
DO i=1-OLx,sNx+OLx |
446 |
jmc |
1.23 |
HSNOW(i,j,bi,bj) = MAX(ZETA(i,j,bi,bj),ZERO) |
447 |
dimitri |
1.9 |
ENDDO |
448 |
|
|
ENDDO |
449 |
|
|
ENDDO |
450 |
|
|
ENDDO |
451 |
|
|
ENDIF |
452 |
dimitri |
1.18 |
|
453 |
|
|
#ifdef SEAICE_SALINITY |
454 |
dimitri |
1.20 |
DO bj=myByLo(myThid),myByHi(myThid) |
455 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
456 |
jmc |
1.23 |
DO j=1-OLy,sNy+OLy |
457 |
|
|
DO i=1-OLx,sNx+OLx |
458 |
|
|
HSALT(i,j,bi,bj)=HEFF(i,j,1,bi,bj)*salt(i,j,1,bi,bj)* |
459 |
dimitri |
1.20 |
& ICE2WATR*rhoConstFresh*SEAICE_salinity |
460 |
|
|
ENDDO |
461 |
|
|
ENDDO |
462 |
|
|
ENDDO |
463 |
|
|
ENDDO |
464 |
|
|
|
465 |
dimitri |
1.18 |
C-- Read initial sea ice salinity from file if available. |
466 |
|
|
IF ( HsaltFile .NE. ' ' ) THEN |
467 |
|
|
CALL READ_FLD_XY_RL( HsaltFile, ' ', ZETA, 0, myThid ) |
468 |
|
|
_EXCH_XY_R8(ZETA,myThid) |
469 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
470 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
471 |
|
|
DO j=1-OLy,sNy+OLy |
472 |
|
|
DO i=1-OLx,sNx+OLx |
473 |
jmc |
1.23 |
HSALT(i,j,bi,bj) = ZETA(i,j,bi,bj) |
474 |
dimitri |
1.18 |
ENDDO |
475 |
|
|
ENDDO |
476 |
|
|
ENDDO |
477 |
|
|
ENDDO |
478 |
|
|
ENDIF |
479 |
|
|
#endif /* SEAICE_SALINITY */ |
480 |
jmc |
1.23 |
|
481 |
dimitri |
1.33 |
#ifdef SEAICE_AGE |
482 |
|
|
C-- Read initial sea ice age from file if available. |
483 |
|
|
IF ( IceAgeFile .NE. ' ' ) THEN |
484 |
|
|
CALL READ_FLD_XY_RL( IceAgeFile, ' ', ZETA, 0, myThid ) |
485 |
|
|
_EXCH_XY_R8(ZETA,myThid) |
486 |
|
|
DO bj=myByLo(myThid),myByHi(myThid) |
487 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
488 |
|
|
DO j=1-OLy,sNy+OLy |
489 |
|
|
DO i=1-OLx,sNx+OLx |
490 |
|
|
ICEAGE(i,j,bi,bj) = ZETA(i,j,bi,bj) |
491 |
|
|
ENDDO |
492 |
|
|
ENDDO |
493 |
|
|
ENDDO |
494 |
|
|
ENDDO |
495 |
|
|
ENDIF |
496 |
|
|
#endif /* SEAICE_AGE */ |
497 |
|
|
|
498 |
heimbach |
1.1 |
ENDIF |
499 |
|
|
|
500 |
|
|
C--- Complete initialization |
501 |
mlosch |
1.8 |
PSTAR = SEAICE_strength |
502 |
heimbach |
1.1 |
DO bj=myByLo(myThid),myByHi(myThid) |
503 |
|
|
DO bi=myBxLo(myThid),myBxHi(myThid) |
504 |
|
|
DO j=1-OLy,sNy+OLy |
505 |
|
|
DO i=1-OLx,sNx+OLx |
506 |
jmc |
1.23 |
ZETA(i,j,bi,bj)=HEFF(i,j,1,bi,bj)*(1.0 _d 11) |
507 |
|
|
ETA(i,j,bi,bj)=ZETA(i,j,bi,bj)/4.0 _d 0 |
508 |
|
|
PRESS0(i,j,bi,bj)=PSTAR*HEFF(i,j,1,bi,bj) |
509 |
|
|
& *EXP(-20.0 _d 0*(ONE-AREA(i,j,1,bi,bj))) |
510 |
|
|
ZMAX(i,j,bi,bj)=(5.0 _d +12/(2.0 _d +04))*PRESS0(i,j,bi,bj) |
511 |
|
|
ZMIN(i,j,bi,bj)=SEAICE_zetaMin |
512 |
|
|
PRESS0(i,j,bi,bj)=PRESS0(i,j,bi,bj)*HEFFM(i,j,bi,bj) |
513 |
heimbach |
1.1 |
ENDDO |
514 |
|
|
ENDDO |
515 |
|
|
IF ( useRealFreshWaterFlux .AND. .NOT.useThSIce ) THEN |
516 |
|
|
DO j=1-OLy,sNy+OLy |
517 |
|
|
DO i=1-OLx,sNx+OLx |
518 |
jmc |
1.23 |
sIceLoad(i,j,bi,bj) = HEFF(i,j,1,bi,bj)*SEAICE_rhoIce |
519 |
|
|
& + HSNOW(i,j,bi,bj)* 330. _d 0 |
520 |
|
|
|
521 |
heimbach |
1.1 |
ENDDO |
522 |
|
|
ENDDO |
523 |
|
|
ENDIF |
524 |
|
|
ENDDO |
525 |
|
|
ENDDO |
526 |
|
|
|
527 |
|
|
RETURN |
528 |
|
|
END |