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dimitri |
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C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_model.F,v 1.100 2012/03/02 18:56:06 heimbach Exp $ |
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C $Name: $ |
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#include "SEAICE_OPTIONS.h" |
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CBOP |
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C !ROUTINE: SEAICE_MODEL |
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C !INTERFACE: ========================================================== |
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SUBROUTINE SEAICE_MODEL( myTime, myIter, myThid ) |
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C !DESCRIPTION: \bv |
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C *===========================================================* |
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C | SUBROUTINE SEAICE_MODEL | |
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C | o Time stepping of a dynamic/thermodynamic sea ice model. | |
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C | Dynamics solver: Zhang/Hibler, JGR, 102, 8691-8702, 1997 | |
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C | Thermodynamics: Hibler, MWR, 108, 1943-1973, 1980 | |
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C | Rheology: Hibler, JPO, 9, 815- 846, 1979 | |
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C | Snow: Zhang et al. , JPO, 28, 191- 217, 1998 | |
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C | Parallel forward ice model written by Jinlun Zhang PSC/UW| |
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C | & coupled into MITgcm by Dimitris Menemenlis (JPL) 2/2001| |
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C | zhang@apl.washington.edu / menemenlis@jpl.nasa.gov | |
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C *===========================================================* |
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C *===========================================================* |
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IMPLICIT NONE |
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C \ev |
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C !USES: =============================================================== |
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#include "SIZE.h" |
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#include "EEPARAMS.h" |
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#include "DYNVARS.h" |
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#include "PARAMS.h" |
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#include "GRID.h" |
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#include "FFIELDS.h" |
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#include "SEAICE_SIZE.h" |
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#include "SEAICE_PARAMS.h" |
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#include "SEAICE.h" |
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#include "SEAICE_TRACER.h" |
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#ifdef ALLOW_EXF |
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# include "EXF_OPTIONS.h" |
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# include "EXF_FIELDS.h" |
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#endif |
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#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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#endif |
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C !INPUT PARAMETERS: =================================================== |
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C myTime - Simulation time |
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C myIter - Simulation timestep number |
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C myThid - Thread no. that called this routine. |
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_RL myTime |
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INTEGER myIter |
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INTEGER myThid |
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CEndOfInterface |
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C !LOCAL VARIABLES: ==================================================== |
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C i,j,bi,bj :: Loop counters |
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#if defined(SEAICE_GROWTH_LEGACY) || defined(ALLOW_AUTODIFF_TAMC) |
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INTEGER i, j, bi, bj |
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#endif |
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#ifdef ALLOW_SITRACER |
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INTEGER iTr |
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#endif |
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CEOP |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_ENTER( 'SEAICE_MODEL', myThid ) |
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#endif |
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C-- Winds are from pkg/exf, which does not update edges. |
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CALL EXCH_UV_AGRID_3D_RL( uwind, vwind, .TRUE., 1, myThid ) |
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#ifdef ALLOW_THSICE |
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IF ( useThSice ) THEN |
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C-- Map thSice-variables to HEFF and AREA |
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CALL SEAICE_MAP_THSICE( myTime, myIter, myThid ) |
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ENDIF |
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#endif /* ALLOW_THSICE */ |
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#ifdef SEAICE_GROWTH_LEGACY |
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IF ( .NOT.useThSice ) THEN |
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#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE heff = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE heffm = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE area = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE hsnow = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE tice = comlev1, key=ikey_dynamics, kind=isbyte |
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#ifdef SEAICE_VARIABLE_SALINITY |
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CADJ STORE hsalt = comlev1, key=ikey_dynamics, kind=isbyte |
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#endif |
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#endif |
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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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IF ( (heff(i,j,bi,bj).EQ.0.) |
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& .OR.(area(i,j,bi,bj).EQ.0.) |
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& ) THEN |
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HEFF(i,j,bi,bj) = 0. _d 0 |
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AREA(i,j,bi,bj) = 0. _d 0 |
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HSNOW(i,j,bi,bj) = 0. _d 0 |
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TICE(i,j,bi,bj) = celsius2K |
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#ifdef SEAICE_VARIABLE_SALINITY |
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HSALT(i,j,bi,bj) = 0. _d 0 |
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#endif |
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ENDIF |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDIF |
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#endif |
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#ifdef ALLOW_AUTODIFF_TAMC |
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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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# ifdef SEAICE_GROWTH_LEGACY |
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areaNm1(i,j,bi,bj) = 0. _d 0 |
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hEffNm1(i,j,bi,bj) = 0. _d 0 |
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# endif |
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uIceNm1(i,j,bi,bj) = 0. _d 0 |
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vIceNm1(i,j,bi,bj) = 0. _d 0 |
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# ifdef ALLOW_SITRACER |
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DO iTr = 1, SItrMaxNum |
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SItrBucket(i,j,bi,bj,iTr) = 0. _d 0 |
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ENDDO |
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# endif |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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CADJ STORE uwind = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE vwind = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE heff = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE heffm = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE area = comlev1, key=ikey_dynamics, kind=isbyte |
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# ifdef SEAICE_ALLOW_DYNAMICS |
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# ifdef SEAICE_CGRID |
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CADJ STORE seaicemasku = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE seaicemaskv = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE fu = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE fv = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE uice = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE vice = comlev1, key=ikey_dynamics, kind=isbyte |
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cphCADJ STORE eta = comlev1, key=ikey_dynamics, kind=isbyte |
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cphCADJ STORE zeta = comlev1, key=ikey_dynamics, kind=isbyte |
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cph( |
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CADJ STORE dwatn = comlev1, key=ikey_dynamics, kind=isbyte |
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cccCADJ STORE press0 = comlev1, key=ikey_dynamics, kind=isbyte |
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cccCADJ STORE taux = comlev1, key=ikey_dynamics, kind=isbyte |
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cccCADJ STORE tauy = comlev1, key=ikey_dynamics, kind=isbyte |
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cccCADJ STORE zmax = comlev1, key=ikey_dynamics, kind=isbyte |
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cccCADJ STORE zmin = comlev1, key=ikey_dynamics, kind=isbyte |
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cph) |
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# ifdef SEAICE_ALLOW_EVP |
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CADJ STORE seaice_sigma1 = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE seaice_sigma2 = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE seaice_sigma12 = comlev1, key=ikey_dynamics, kind=isbyte |
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# endif |
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# endif |
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# endif |
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# ifdef ALLOW_SITRACER |
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CADJ STORE siceload = comlev1, key=ikey_dynamics, kind=isbyte |
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CADJ STORE sitracer = comlev1, key=ikey_dynamics, kind=isbyte |
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# endif |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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C solve ice momentum equations and calculate ocean surface stress |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL( 'SEAICE_DYNSOLVER', myThid ) |
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#endif |
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#ifdef SEAICE_CGRID |
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CALL TIMER_START('SEAICE_DYNSOLVER [SEAICE_MODEL]',myThid) |
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CALL SEAICE_DYNSOLVER ( myTime, myIter, myThid ) |
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CALL TIMER_STOP ('SEAICE_DYNSOLVER [SEAICE_MODEL]',myThid) |
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#else |
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CALL TIMER_START('DYNSOLVER [SEAICE_MODEL]',myThid) |
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CALL DYNSOLVER ( myTime, myIter, myThid ) |
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CALL TIMER_STOP ('DYNSOLVER [SEAICE_MODEL]',myThid) |
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#endif /* SEAICE_CGRID */ |
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C-- Apply ice velocity open boundary conditions |
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#ifdef ALLOW_OBCS |
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# ifndef DISABLE_SEAICE_OBCS |
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IF ( useOBCS ) CALL OBCS_ADJUST_UVICE( uice, vice, myThid ) |
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# endif /* DISABLE_SEAICE_OBCS */ |
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#endif /* ALLOW_OBCS */ |
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#ifdef ALLOW_THSICE |
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IF ( .NOT.useThSice ) THEN |
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#endif |
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C-- Only call advection of heff, area, snow, and salt and |
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C-- growth for the generic 0-layer thermodynamics of seaice |
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C-- if useThSice=.false., otherwise the 3-layer Winton thermodynamics |
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C-- (called from DO_OCEANIC_PHYSICS) take care of this |
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C NOW DO ADVECTION and DIFFUSION |
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IF ( SEAICEadvHeff .OR. SEAICEadvArea .OR. SEAICEadvSnow |
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& .OR. SEAICEadvSalt ) THEN |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL( 'SEAICE_ADVDIFF', myThid ) |
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#endif |
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CALL SEAICE_ADVDIFF( myTime, myIter, myThid ) |
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#ifdef SEAICE_GROWTH_LEGACY |
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ELSE |
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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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areaNm1(i,j,bi,bj) = AREA(i,j,bi,bj) |
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hEffNm1(i,j,bi,bj) = HEFF(i,j,bi,bj) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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#endif /* SEAICE_GROWTH_LEGACY */ |
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ENDIF |
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#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE heffm = comlev1, key=ikey_dynamics, kind=isbyte |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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#ifndef DISABLE_SEAICE_GROWTH |
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C thermodynamics growth |
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C must call growth after calling advection |
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C because of ugly time level business |
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IF ( usePW79thermodynamics ) THEN |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL( 'SEAICE_GROWTH', myThid ) |
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#endif |
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CALL SEAICE_GROWTH( myTime, myIter, myThid ) |
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ENDIF |
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#endif /* DISABLE_SEAICE_GROWTH */ |
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#ifdef ALLOW_SITRACER |
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# ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE sitracer = comlev1, key=ikey_dynamics, kind=isbyte |
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# endif |
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CALL SEAICE_TRACER_PHYS ( myTime, myIter, myThid ) |
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#endif |
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C-- Apply ice tracer open boundary conditions |
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#ifdef ALLOW_OBCS |
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# ifndef DISABLE_SEAICE_OBCS |
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IF ( useOBCS ) CALL OBCS_APPLY_SEAICE( myThid ) |
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# endif /* DISABLE_SEAICE_OBCS */ |
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#endif /* ALLOW_OBCS */ |
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C-- Update overlap regions for a bunch of stuff |
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_EXCH_XY_RL( HEFF, myThid ) |
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_EXCH_XY_RL( AREA, myThid ) |
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_EXCH_XY_RL( HSNOW, myThid ) |
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#ifdef SEAICE_VARIABLE_SALINITY |
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_EXCH_XY_RL( HSALT, myThid ) |
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#endif |
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#ifdef ALLOW_SITRACER |
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DO iTr = 1, SItrNumInUse |
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_EXCH_XY_RL( SItracer(1-OLx,1-OLy,1,1,iTr),myThid ) |
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ENDDO |
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#endif |
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_EXCH_XY_RS(EmPmR, myThid ) |
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_EXCH_XY_RS(saltFlux, myThid ) |
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_EXCH_XY_RS(Qnet , myThid ) |
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#ifdef SHORTWAVE_HEATING |
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_EXCH_XY_RS(Qsw , myThid ) |
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#endif /* SHORTWAVE_HEATING */ |
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#ifdef ATMOSPHERIC_LOADING |
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IF ( useRealFreshWaterFlux ) |
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& _EXCH_XY_RS( sIceLoad, myThid ) |
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#endif |
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#ifdef ALLOW_OBCS |
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C-- In case we use scheme with a large stencil that extends into overlap: |
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C no longer needed with the right masking in advection & diffusion S/R. |
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c IF ( useOBCS ) THEN |
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c DO bj=myByLo(myThid),myByHi(myThid) |
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c DO bi=myBxLo(myThid),myBxHi(myThid) |
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c CALL OBCS_COPY_TRACER( HEFF(1-OLx,1-OLy,bi,bj), |
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c I 1, bi, bj, myThid ) |
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c CALL OBCS_COPY_TRACER( AREA(1-OLx,1-OLy,bi,bj), |
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c I 1, bi, bj, myThid ) |
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c CALL OBCS_COPY_TRACER( HSNOW(1-OLx,1-OLy,bi,bj), |
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c I 1, bi, bj, myThid ) |
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#ifdef SEAICE_VARIABLE_SALINITY |
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c CALL OBCS_COPY_TRACER( HSALT(1-OLx,1-OLy,bi,bj), |
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c I 1, bi, bj, myThid ) |
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#endif |
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c ENDDO |
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c ENDDO |
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c ENDIF |
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#endif /* ALLOW_OBCS */ |
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#ifdef ALLOW_DIAGNOSTICS |
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IF ( useDiagnostics ) THEN |
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C diagnostics for "non-state variables" that are modified by |
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C the seaice model |
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# ifdef ALLOW_EXF |
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CALL DIAGNOSTICS_FILL(UWIND ,'SIuwind ',0,1 ,0,1,1,myThid) |
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CALL DIAGNOSTICS_FILL(VWIND ,'SIvwind ',0,1 ,0,1,1,myThid) |
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# endif |
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CALL DIAGNOSTICS_FILL_RS(FU ,'SIfu ',0,1 ,0,1,1,myThid) |
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CALL DIAGNOSTICS_FILL_RS(FV ,'SIfv ',0,1 ,0,1,1,myThid) |
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CALL DIAGNOSTICS_FILL_RS(EmPmR,'SIempmr ',0,1 ,0,1,1,myThid) |
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CALL DIAGNOSTICS_FILL_RS(Qnet ,'SIqnet ',0,1 ,0,1,1,myThid) |
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CALL DIAGNOSTICS_FILL_RS(Qsw ,'SIqsw ',0,1 ,0,1,1,myThid) |
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ENDIF |
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#endif /* ALLOW_DIAGNOSTICS */ |
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#ifdef ALLOW_THSICE |
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C endif .not.useThSice |
| 312 |
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|
ENDIF |
| 313 |
|
|
#endif /* ALLOW_THSICE */ |
| 314 |
|
|
CML This has already been done in seaice_ocean_stress/ostres, so why repeat? |
| 315 |
|
|
CML CALL EXCH_UV_XY_RS(fu,fv,.TRUE.,myThid) |
| 316 |
|
|
|
| 317 |
|
|
#ifdef ALLOW_EXF |
| 318 |
|
|
# ifdef ALLOW_AUTODIFF_TAMC |
| 319 |
|
|
# if (defined (ALLOW_AUTODIFF_MONITOR)) |
| 320 |
|
|
CALL EXF_ADJOINT_SNAPSHOTS( 3, myTime, myIter, myThid ) |
| 321 |
|
|
# endif |
| 322 |
|
|
# endif |
| 323 |
|
|
#endif |
| 324 |
|
|
|
| 325 |
|
|
#ifdef ALLOW_DEBUG |
| 326 |
|
|
IF (debugMode) CALL DEBUG_LEAVE( 'SEAICE_MODEL', myThid ) |
| 327 |
|
|
#endif |
| 328 |
|
|
|
| 329 |
|
|
RETURN |
| 330 |
|
|
END |
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