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C $Header: |
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#include "SEAICE_OPTIONS.h" |
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CStartOfInterface |
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SUBROUTINE seaice_model( myTime, myIter, myThid ) |
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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 | and Zhang/Rothrock, JGR, 105, 3325-3338, 2000| |
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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 | Written by Jinlun Zhang (PSC/UW), Feb-2001 | |
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C | Incorporated into MITgcm by Dimitris Menemenlis (JPL) | |
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C |==========================================================| |
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C \==========================================================/ |
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IMPLICIT NONE |
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|
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C === Global variables === |
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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 "FFIELDS.h" |
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#include "SEAICE.h" |
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#include "SEAICE_PARAMS.h" |
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#include "SEAICE_EXTERNAL.h" |
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|
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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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#ifdef SEAICE_EXTERNAL_FORCING |
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#include "SEAICE_FFIELDS.h" |
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#endif |
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|
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C === Routine arguments === |
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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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#ifdef ALLOW_SEAICE |
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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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INTEGER i, j, bi, bj |
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|
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#ifdef SEAICE_EXTERNAL_FORCING |
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C-- Atmospheric state and runoff are from |
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C pkg/exf, which does not update edges. |
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_EXCH_XY_R8( uwind, myThid ) |
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_EXCH_XY_R8( vwind, myThid ) |
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_EXCH_XY_R8( atemp, myThid ) |
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_EXCH_XY_R8( aqh, myThid ) |
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_EXCH_XY_R8( lwdown, myThid ) |
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_EXCH_XY_R8( swdown, mythid ) |
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_EXCH_XY_R8( precip, myThid ) |
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_EXCH_XY_R8( evap, myThid ) |
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_EXCH_XY_R8( runoff, myThid ) |
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#else /* SEAICE_EXTERNAL_FORCING */ |
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C-- Load atmospheric state and runoff. |
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CALL SEAICE_GET_FORCING ( myTime, myIter, myThid ) |
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#endif /* SEAICE_EXTERNAL_FORCING */ |
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|
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C-- Third level model velocity is used as proxy for geostrophic velocity |
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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=0,sNy+1 |
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DO i=0,sNx+1 |
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GWATX(I,J,bi,bj)=HALF*(uVel(i,j,3,bi,bj) |
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& +uVel(i,j-1,3,bi,bj)) |
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GWATY(I,J,bi,bj)=HALF*(vVel(i,j,3,bi,bj) |
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& +vVel(i-1,j,3,bi,bj)) |
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#ifdef SEAICE_DEBUG |
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c write(*,'(2i4,2i2,f7.1,7f12.3)') |
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c & ,i,j,bi,bj,UVM(I,J,bi,bj) |
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c & ,GWATX(I,J,bi,bj),GWATY(I,J,bi,bj) |
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c & ,uVel(i+1,j,3,bi,bj),uVel(i+1,j+1,3,bi,bj) |
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c & ,vVel(i,j+1,3,bi,bj),vVel(i+1,j+1,3,bi,bj) |
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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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|
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C solve ice momentum equations and calculate ocean surface stress |
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CALL DYNSOLVER ( myTime, myIter, myThid ) |
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|
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C NOW DO ADVECTION |
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CALL ADVECT( UICE, VICE, HEFF, HEFFM, myThid ) |
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CALL ADVECT( UICE, VICE, AREA, HEFFM, myThid ) |
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|
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C NOW DO GROWTH |
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C MUST CALL GROWTH ONLY AFTER CALLING ADVECTION |
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CALL GROWTH( myTime, myIter, myThid) |
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|
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C-- Update overlap regions for a bunch of stuff |
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_BARRIER |
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CALL SEAICE_EXCH( HEFF, myThid ) |
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CALL SEAICE_EXCH( AREA, myThid ) |
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_EXCH_XY_R4(fu , myThid ) |
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_EXCH_XY_R4(fv , myThid ) |
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_EXCH_XY_R4(EmPmR, myThid ) |
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_EXCH_XY_R4(Qnet , myThid ) |
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_EXCH_XY_R4(surfaceTendencyTice, myThid ) |
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#ifdef SHORTWAVE_HEATING |
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_EXCH_XY_R4(Qsw , myThid ) |
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#endif |
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_EXCH_XYZ_R8(theta , myThid ) |
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|
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C-- Sea ice diagnostics. |
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CALL SEAICE_DO_DIAGS( myTime, myIter, myThid ) |
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|
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C-- Write sea ice restart files |
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CALL SEAICE_WRITE_PICKUP ( .FALSE., |
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& myTime+deltaTClock, myIter+1, myThid ) |
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|
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C--------------------------------------------------- |
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C OOH NOOOO we need to move the whole stuff |
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C--------------------------------------------------- |
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#ifdef ALLOW_AUTODIFF_TAMC |
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CRG CADJ store UICE,VICE,AREA,HEFF,fu,fv,EmPmR,Qnet,Qsw = comlev1_bibj |
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#endif |
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|
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C-- Call sea-ice cost function routine |
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CRG CALL SEAICE_COST( myTime, myIter, myThid ) |
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#endif /* ALLOW_SEAICE */ |
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|
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RETURN |
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END |
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