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C $Header: /u/gcmpack/MITgcm_contrib/torge/itd/code/seaice_model.F,v 1.12 2013/05/03 18:59:40 torge Exp $ |
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C $Name: $ |
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|
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#include "SEAICE_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: SEAICE_MODEL |
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|
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C !INTERFACE: ========================================================== |
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SUBROUTINE SEAICE_MODEL( myTime, myIter, myThid ) |
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|
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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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|
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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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|
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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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|
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C !LOCAL VARIABLES: ==================================================== |
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C i,j,bi,bj :: Loop counters |
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#ifdef SEAICE_ITD |
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INTEGER IT |
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#endif |
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#if defined(ALLOW_AUTODIFF_TAMC) || defined(SEAICE_ITD) |
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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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|
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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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|
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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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|
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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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|
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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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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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|
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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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|
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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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|
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#ifdef ALLOW_THSICE |
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IF ( useThSice ) THEN |
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#ifndef OLD_THSICE_CALL_SEQUENCE |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL( 'THSICE_DO_ADVECT', myThid ) |
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#endif |
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CALL THSICE_DO_ADVECT( 0, 0, myTime, myIter, myThid ) |
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#endif /* OLD_THSICE_CALL_SEQUENCE */ |
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ELSE |
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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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|
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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_ITD |
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C check that all ice thickness categories meet their limits |
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C (includes Hibler-type ridging) |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL( 'SEAICE_ITD_REDIST', myThid ) |
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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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CALL SEAICE_ITD_REDIST(bi, bj, myTime, myIter, myThid) |
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ENDDO |
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ENDDO |
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C update mean ice thickness HEFF and total ice concentration AREA |
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C to match single category values |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL( 'SEAICE_ITD_SUM', myThid ) |
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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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CALL SEAICE_ITD_SUM(bi, bj, myTime, myIter, myThid) |
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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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CADJ STORE heffm = comlev1, key=ikey_dynamics, kind=isbyte |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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|
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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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#ifdef SEAICE_ITD |
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C redistribute sea ice into proper sea ice category after growth/melt |
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C in case model runs with ice thickness distribution |
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C---+-|--1----+----2----+----3----+----4----+----5----+----6----+----7-| |
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_CALL( 'SEAICE_ITD_REDIST', myThid ) |
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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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CALL SEAICE_ITD_REDIST(bi, bj, myTime, myIter, myThid) |
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ENDDO |
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ENDDO |
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C store the mean ice thickness in HEFF (for dynamic solver and diagnostics) |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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CALL SEAICE_ITD_SUM(bi, bj, myTime, myIter, myThid) |
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ENDDO |
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ENDDO |
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#endif |
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C |
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ENDIF |
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#endif /* DISABLE_SEAICE_GROWTH */ |
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|
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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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|
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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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|
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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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|
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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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|
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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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#ifdef SEAICE_ITD |
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CALL DIAGNOSTICS_FILL(HEFFITD ,'SIheffN ',0,nITD,0,1,1,myThid) |
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CALL DIAGNOSTICS_FILL(AREAITD ,'SIareaN ',0,nITD,0,1,1,myThid) |
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#endif |
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ENDIF |
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#endif /* ALLOW_DIAGNOSTICS */ |
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|
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#ifdef ALLOW_THSICE |
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C endif .not.useThSice |
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ENDIF |
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#endif /* ALLOW_THSICE */ |
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CML This has already been done in seaice_ocean_stress/ostres, so why repeat? |
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CML CALL EXCH_UV_XY_RS(fu,fv,.TRUE.,myThid) |
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|
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#ifdef ALLOW_EXF |
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# ifdef ALLOW_AUTODIFF_TAMC |
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# if (defined (ALLOW_AUTODIFF_MONITOR)) |
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CALL EXF_ADJOINT_SNAPSHOTS( 3, myTime, myIter, myThid ) |
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# endif |
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# endif |
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#endif |
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|
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#ifdef ALLOW_DEBUG |
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IF (debugMode) CALL DEBUG_LEAVE( 'SEAICE_MODEL', myThid ) |
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#endif |
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|
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RETURN |
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END |
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