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mlosch |
1.36 |
C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_init_varia.F,v 1.35 2009/03/18 13:48:53 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 |
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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 |
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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 |
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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 |
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C compute metric term coefficients from finite difference approximation |
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DO j=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx-1 |
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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 |
| 202 |
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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) ) |
| 204 |
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& * _recip_dxV(I,J,bi,bj) |
| 205 |
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ENDDO |
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ENDDO |
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DO j=1-OLy,sNy+OLy-1 |
| 208 |
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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) ) |
| 211 |
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& * _recip_dyF(I,J,bi,bj) |
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ENDDO |
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ENDDO |
| 214 |
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DO j=1-OLy+1,sNy+OLy |
| 215 |
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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) |
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& * ( _dxC(I,J,bi,bj) - _dxC(I,J-1,bi,bj) ) |
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& * _recip_dyU(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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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 |
|
|
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 |
mlosch |
1.36 |
& + HSNOW(i,j,bi,bj)*SEAICE_rhoSnow |
| 520 |
jmc |
1.23 |
|
| 521 |
heimbach |
1.1 |
ENDDO |
| 522 |
|
|
ENDDO |
| 523 |
|
|
ENDIF |
| 524 |
|
|
ENDDO |
| 525 |
|
|
ENDDO |
| 526 |
|
|
|
| 527 |
|
|
RETURN |
| 528 |
|
|
END |
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