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dimitri |
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C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_model.F,v 1.21 2004/05/05 00:23:37 dimitri Exp $ |
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edhill |
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C $Name: $ |
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heimbach |
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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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dimitri |
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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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1.2 |
IMPLICIT NONE |
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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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dimitri |
1.17 |
#include "GRID.h" |
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heimbach |
1.2 |
#include "FFIELDS.h" |
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#include "SEAICE.h" |
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#include "SEAICE_PARAMS.h" |
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heimbach |
1.8 |
#ifdef SEAICE_EXTERNAL_FORCING |
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# include "SEAICE_FFIELDS.h" |
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#endif |
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dimitri |
1.3 |
#ifdef ALLOW_AUTODIFF_TAMC |
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# include "tamc.h" |
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dimitri |
1.5 |
#endif |
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1.4 |
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heimbach |
1.2 |
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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#ifdef ALLOW_SEAICE |
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C === Local variables === |
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dimitri |
1.4 |
C i,j,bi,bj - Loop counters |
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dimitri |
1.20 |
INTEGER i, j, bi, bj |
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dimitri |
1.21 |
LOGICAL DIFFERENT_MULTIPLE |
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EXTERNAL DIFFERENT_MULTIPLE |
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heimbach |
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1.4 |
#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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dimitri |
1.14 |
CALL EXCH_UV_XY_RL(uwind,vwind,.TRUE.,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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dimitri |
1.5 |
#else /* SEAICE_EXTERNAL_FORCING */ |
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dimitri |
1.4 |
C-- Load atmospheric state and runoff. |
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heimbach |
1.2 |
CALL SEAICE_GET_FORCING ( myTime, myIter, myThid ) |
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#endif /* SEAICE_EXTERNAL_FORCING */ |
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heimbach |
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1.19 |
C-- Compute proxy for geostrophic velocity, |
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1.2 |
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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dimitri |
1.19 |
GWATX(I,J,bi,bj)=HALF*(uVel(i,j,KGEO(I,J,bi,bj),bi,bj) |
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& +uVel(i,j-1,KGEO(I,J,bi,bj),bi,bj)) |
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GWATY(I,J,bi,bj)=HALF*(vVel(i,j,KGEO(I,J,bi,bj),bi,bj) |
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& +vVel(i-1,j,KGEO(I,J,bi,bj),bi,bj)) |
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heimbach |
1.2 |
#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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dimitri |
1.5 |
#endif |
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heimbach |
1.2 |
ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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heimbach |
1.8 |
#ifdef ALLOW_AUTODIFF_TAMC |
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CADJ STORE uwind = comlev1, key = ikey_dynamics |
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CADJ STORE vwind = comlev1, key = ikey_dynamics |
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heimbach |
1.12 |
CADJ STORE heff = comlev1, key = ikey_dynamics |
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heimbach |
1.8 |
# ifdef SEAICE_ALLOW_DYNAMICS |
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CADJ STORE area = comlev1, key = ikey_dynamics |
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# endif |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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heimbach |
1.2 |
C solve ice momentum equations and calculate ocean surface stress |
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dimitri |
1.21 |
IF ( DIFFERENT_MULTIPLE( |
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& SEAICE_deltaTdyn,myTime,myTime-SEAICE_deltaTtherm) ) THEN |
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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 |
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heimbach |
1.2 |
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heimbach |
1.8 |
#ifdef ALLOW_AUTODIFF_TAMC |
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# ifdef SEAICE_ALLOW_DYNAMICS |
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CADJ STORE heff = comlev1, key = ikey_dynamics |
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CADJ STORE area = comlev1, key = ikey_dynamics |
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CADJ STORE uice = comlev1, key = ikey_dynamics |
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CADJ STORE vice = comlev1, key = ikey_dynamics |
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# endif |
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#endif /* ALLOW_AUTODIFF_TAMC */ |
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heimbach |
1.2 |
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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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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C-- Update overlap regions for a bunch of stuff |
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dimitri |
1.14 |
_BARRIER |
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CALL SEAICE_EXCH( HEFF, myThid ) |
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CALL SEAICE_EXCH( AREA, myThid ) |
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CALL EXCH_UV_XY_RS(fu,fv,.TRUE.,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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heimbach |
1.2 |
#ifdef SHORTWAVE_HEATING |
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_EXCH_XY_R4(Qsw , myThid ) |
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1.5 |
#endif |
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dimitri |
1.14 |
_EXCH_XYZ_R8(theta , myThid ) |
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heimbach |
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C-- Sea ice diagnostics. |
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dimitri |
1.16 |
C <= moved to S/R do_the_model_io with other pkgs |
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heimbach |
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C-- Write sea ice restart files |
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jmc |
1.15 |
C <= moved to S/R packages_write_pickup with other pkgs |
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dimitri |
1.3 |
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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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dimitri |
1.5 |
#endif |
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dimitri |
1.3 |
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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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heimbach |
1.2 |
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dimitri |
1.5 |
#endif /* ALLOW_SEAICE */ |
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heimbach |
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RETURN |
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END |
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