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C $Header: /u/gcmpack/MITgcm/pkg/seaice/seaice_init_varia.F,v 1.93 2016/11/30 00:17:16 jmc Exp $ |
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C $Name: $ |
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|
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#include "SEAICE_OPTIONS.h" |
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#ifdef ALLOW_OBCS |
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# include "OBCS_OPTIONS.h" |
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#endif |
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|
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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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|
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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 "PARAMS.h" |
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#include "GRID.h" |
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#include "DYNVARS.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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#include "SEAICE_TAVE.h" |
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#ifdef OBCS_UVICE_OLD |
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# include "OBCS_GRID.h" |
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#endif |
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|
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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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|
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C === Local variables === |
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C i,j,k,bi,bj :: Loop counters |
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|
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INTEGER i, j, bi, bj |
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INTEGER kSurface |
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_RS mask_uice |
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INTEGER k |
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#ifdef ALLOW_SITRACER |
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INTEGER iTr, jTh |
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#endif |
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#ifdef OBCS_UVICE_OLD |
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INTEGER I_obc, J_obc |
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#endif /* ALLOW_OBCS */ |
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#ifdef SEAICE_CGRID |
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_RL recip_tensilDepth |
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#endif |
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|
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IF ( buoyancyRelation .EQ. 'OCEANICP' ) THEN |
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kSurface = Nr |
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ELSE |
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kSurface = 1 |
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ENDIF |
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|
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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) = 0. _d 0 |
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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,sNx+OLx |
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HEFFM(i,j,bi,bj)= 1. _d 0 |
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IF (_hFacC(i,j,kSurface,bi,bj).eq.0.) |
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& HEFFM(i,j,bi,bj)= 0. _d 0 |
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ENDDO |
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ENDDO |
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#ifndef SEAICE_CGRID |
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DO j=1-OLy+1,sNy+OLy |
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DO i=1-OLx+1,sNx+OLx |
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UVM(i,j,bi,bj)=0. _d 0 |
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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 _d 0) UVM(i,j,bi,bj)=1. _d 0 |
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ENDDO |
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ENDDO |
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#endif /* SEAICE_CGRID */ |
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ENDDO |
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ENDDO |
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|
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C coefficients for metric terms |
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DO bj=myByLo(myThid),myByHi(myThid) |
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DO bi=myBxLo(myThid),myBxHi(myThid) |
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#ifdef SEAICE_CGRID |
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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 |
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C 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 |
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C 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 |
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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) ) |
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& * _recip_dxV(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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DO j=1-OLy,sNy+OLy-1 |
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DO i=1-OLx,sNx+OLx |
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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) ) |
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& * _recip_dyF(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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DO j=1-OLy+1,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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k2AtZ(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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#else /* not SEAICE_CGRID */ |
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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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k1AtU(I,J,bi,bj) = 0.0 _d 0 |
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k1AtV(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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k2AtU(I,J,bi,bj) = 0.0 _d 0 |
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k2AtV(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 |
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C 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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k2AtU(I,J,bi,bj) = - _tanPhiAtU(I,J,bi,bj)*recip_rSphere |
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k2AtV(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 |
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C 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 |
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k1AtU(I,J,bi,bj) = _recip_dyG(I,J,bi,bj) |
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& * ( _dyF(I,J,bi,bj) - _dyF(I-1,J,bi,bj) ) |
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& * _recip_dxC(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,sNx+OLx-1 |
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k1AtV(I,J,bi,bj) = _recip_dyC(I,J,bi,bj) |
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& * ( _dyU(I+1,J,bi,bj) - _dyU(I,J,bi,bj) ) |
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& * _recip_dxG(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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DO j=1-OLy,sNy+OLy-1 |
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DO i=1-OLx,sNx+OLx |
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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) ) |
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& * _recip_dyF(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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DO j=1-OLy,sNy+OLy-1 |
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DO i=1-OLx,sNx+OLx |
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k2AtU(I,J,bi,bj) = _recip_dxC(I,J,bi,bj) |
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& * ( _dxV(I,J+1,bi,bj) - _dxV(I,J,bi,bj) ) |
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& * _recip_dyG(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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DO j=1-OLy+1,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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k2AtV(I,J,bi,bj) = _recip_dxG(I,J,bi,bj) |
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& * ( _dxF(I,J,bi,bj) - _dxF(I,J-1,bi,bj) ) |
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& * _recip_dyC(I,J,bi,bj) |
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ENDDO |
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ENDDO |
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ENDIF |
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#endif /* not SEAICE_CGRID */ |
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ENDDO |
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ENDDO |
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|
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#ifndef SEAICE_CGRID |
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C-- Choose a proxy level 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=1-OLy,sNy+OLy |
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DO i=1-OLx,sNx+OLx |
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KGEO(i,j,bi,bj) = 0 |
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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,sNx+OLx |
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#ifdef SEAICE_BICE_STRESS |
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KGEO(i,j,bi,bj) = 1 |
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#else /* SEAICE_BICE_STRESS */ |
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IF (klowc(i,j,bi,bj) .LT. 2) THEN |
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KGEO(i,j,bi,bj) = 1 |
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ELSE |
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KGEO(i,j,bi,bj) = 2 |
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DO WHILE ( abs(rC(KGEO(i,j,bi,bj))) .LT. 50.0 _d 0 .AND. |
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& KGEO(i,j,bi,bj) .LT. (klowc(i,j,bi,bj)-1) ) |
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KGEO(i,j,bi,bj) = KGEO(i,j,bi,bj) + 1 |
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ENDDO |
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ENDIF |
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#endif /* SEAICE_BICE_STRESS */ |
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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_CGRID */ |
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|
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C-- Initialise all variables in common blocks: |
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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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HEFF(i,j,bi,bj)=0. _d 0 |
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AREA(i,j,bi,bj)=0. _d 0 |
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CToM<<< |
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#ifdef SEAICE_ITD |
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DO k=1,nITD |
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AREAITD(i,j,k,bi,bj) =0. _d 0 |
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HEFFITD(i,j,k,bi,bj) =0. _d 0 |
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ENDDO |
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#endif |
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C>>>ToM |
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UICE(i,j,bi,bj)=0. _d 0 |
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VICE(i,j,bi,bj)=0. _d 0 |
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#ifdef SEAICE_ALLOW_FREEDRIFT |
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uice_fd(i,j,bi,bj)=0. _d 0 |
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vice_fd(i,j,bi,bj)=0. _d 0 |
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#endif |
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C |
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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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ETA (i,j,bi,bj) = 0. _d 0 |
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etaZ(i,j,bi,bj) = 0. _d 0 |
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ZETA(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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#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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stressDivergenceX(i,j,bi,bj) = 0. _d 0 |
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stressDivergenceY(i,j,bi,bj) = 0. _d 0 |
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# ifdef SEAICE_ALLOW_EVP |
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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 */ |
| 292 |
#else /* SEAICE_CGRID */ |
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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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AMASS(i,j,bi,bj) = 0. _d 0 |
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DAIRN(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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GWATX(i,j,bi,bj) = 0. _d 0 |
| 300 |
GWATY(i,j,bi,bj) = 0. _d 0 |
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#endif /* SEAICE_CGRID */ |
| 302 |
DWATN(i,j,bi,bj) = 0. _d 0 |
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#ifdef SEAICE_ALLOW_BOTTOMDRAG |
| 304 |
CbotC(i,j,bi,bj) = 0. _d 0 |
| 305 |
#endif /* SEAICE_ALLOW_BOTTOMDRAG */ |
| 306 |
PRESS0(i,j,bi,bj) = 0. _d 0 |
| 307 |
FORCEX0(i,j,bi,bj)= 0. _d 0 |
| 308 |
FORCEY0(i,j,bi,bj)= 0. _d 0 |
| 309 |
ZMAX(i,j,bi,bj) = 0. _d 0 |
| 310 |
ZMIN(i,j,bi,bj) = 0. _d 0 |
| 311 |
HSNOW(i,j,bi,bj) = 0. _d 0 |
| 312 |
tensileStrFac(i,j,bi,bj) = 0. _d 0 |
| 313 |
CToM<<< |
| 314 |
#ifdef SEAICE_ITD |
| 315 |
DO k=1,nITD |
| 316 |
HSNOWITD(i,j,k,bi,bj)=0. _d 0 |
| 317 |
ENDDO |
| 318 |
#endif |
| 319 |
C>>>ToM |
| 320 |
#ifdef SEAICE_VARIABLE_SALINITY |
| 321 |
HSALT(i,j,bi,bj) = 0. _d 0 |
| 322 |
#endif |
| 323 |
#ifdef ALLOW_SITRACER |
| 324 |
DO iTr = 1, SItrMaxNum |
| 325 |
SItracer(i,j,bi,bj,iTr) = 0. _d 0 |
| 326 |
SItrBucket(i,j,bi,bj,iTr) = 0. _d 0 |
| 327 |
c "ice concentration" tracer that should remain .EQ.1. |
| 328 |
if (SItrName(iTr).EQ.'one') SItracer(i,j,bi,bj,iTr)=1. _d 0 |
| 329 |
ENDDO |
| 330 |
DO jTh = 1, 5 |
| 331 |
SItrHEFF (i,j,bi,bj,jTh) = 0. _d 0 |
| 332 |
ENDDO |
| 333 |
DO jTh = 1, 3 |
| 334 |
SItrAREA (i,j,bi,bj,jTh) = 0. _d 0 |
| 335 |
ENDDO |
| 336 |
#endif |
| 337 |
DO k=1,nITD |
| 338 |
TICES(i,j,k,bi,bj)=0. _d 0 |
| 339 |
ENDDO |
| 340 |
TAUX(i,j,bi,bj) = 0. _d 0 |
| 341 |
TAUY(i,j,bi,bj) = 0. _d 0 |
| 342 |
#ifdef ALLOW_SEAICE_COST_EXPORT |
| 343 |
uHeffExportCell(i,j,bi,bj) = 0. _d 0 |
| 344 |
vHeffExportCell(i,j,bi,bj) = 0. _d 0 |
| 345 |
icevolMeanCell(i,j,bi,bj) = 0. _d 0 |
| 346 |
#endif |
| 347 |
saltWtrIce(i,j,bi,bj) = 0. _d 0 |
| 348 |
frWtrIce(i,j,bi,bj) = 0. _d 0 |
| 349 |
#if (defined (ALLOW_MEAN_SFLUX_COST_CONTRIBUTION) || defined (ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION)) |
| 350 |
frWtrAtm(i,j,bi,bj) = 0. _d 0 |
| 351 |
AREAforAtmFW(i,j,bi,bj)=0. _d 0 |
| 352 |
#endif |
| 353 |
ENDDO |
| 354 |
ENDDO |
| 355 |
ENDDO |
| 356 |
ENDDO |
| 357 |
|
| 358 |
#ifdef ALLOW_TIMEAVE |
| 359 |
C Initialize averages to zero |
| 360 |
DO bj = myByLo(myThid), myByHi(myThid) |
| 361 |
DO bi = myBxLo(myThid), myBxHi(myThid) |
| 362 |
CALL TIMEAVE_RESET( FUtave , 1, bi, bj, myThid ) |
| 363 |
CALL TIMEAVE_RESET( FVtave , 1, bi, bj, myThid ) |
| 364 |
CALL TIMEAVE_RESET( EmPmRtave, 1, bi, bj, myThid ) |
| 365 |
CALL TIMEAVE_RESET( QNETtave , 1, bi, bj, myThid ) |
| 366 |
CALL TIMEAVE_RESET( QSWtave , 1, bi, bj, myThid ) |
| 367 |
CALL TIMEAVE_RESET( UICEtave , 1, bi, bj, myThid ) |
| 368 |
CALL TIMEAVE_RESET( VICEtave , 1, bi, bj, myThid ) |
| 369 |
CALL TIMEAVE_RESET( HEFFtave , 1, bi, bj, myThid ) |
| 370 |
CALL TIMEAVE_RESET( AREAtave , 1, bi, bj, myThid ) |
| 371 |
SEAICE_timeAve(bi,bj) = ZERO |
| 372 |
ENDDO |
| 373 |
ENDDO |
| 374 |
#endif /* ALLOW_TIMEAVE */ |
| 375 |
|
| 376 |
C-- Initialize (variable) grid info. As long as we allow masking of |
| 377 |
C-- velocities outside of ice covered areas (in seaice_dynsolver) |
| 378 |
C-- we need to re-initialize seaiceMaskU/V here for TAF/TAMC |
| 379 |
#ifdef SEAICE_CGRID |
| 380 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 381 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 382 |
DO j=1-OLy+1,sNy+OLy |
| 383 |
DO i=1-OLx+1,sNx+OLx |
| 384 |
seaiceMaskU(i,j,bi,bj)= 0.0 _d 0 |
| 385 |
seaiceMaskV(i,j,bi,bj)= 0.0 _d 0 |
| 386 |
mask_uice=HEFFM(i,j,bi,bj)+HEFFM(i-1,j ,bi,bj) |
| 387 |
IF(mask_uice.GT.1.5 _d 0) seaiceMaskU(i,j,bi,bj)=1.0 _d 0 |
| 388 |
mask_uice=HEFFM(i,j,bi,bj)+HEFFM(i ,j-1,bi,bj) |
| 389 |
IF(mask_uice.GT.1.5 _d 0) seaiceMaskV(i,j,bi,bj)=1.0 _d 0 |
| 390 |
ENDDO |
| 391 |
ENDDO |
| 392 |
ENDDO |
| 393 |
ENDDO |
| 394 |
#endif /* SEAICE_CGRID */ |
| 395 |
|
| 396 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 397 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 398 |
#ifdef OBCS_UVICE_OLD |
| 399 |
#ifdef SEAICE_CGRID |
| 400 |
IF (useOBCS) THEN |
| 401 |
C-- If OBCS is turned on, close southern and western boundaries |
| 402 |
DO i=1-OLx,sNx+OLx |
| 403 |
C Southern boundary |
| 404 |
J_obc = OB_Js(i,bi,bj) |
| 405 |
IF ( J_obc.NE.OB_indexNone ) THEN |
| 406 |
seaiceMaskU(i,J_obc,bi,bj)= 0.0 _d 0 |
| 407 |
seaiceMaskV(i,J_obc,bi,bj)= 0.0 _d 0 |
| 408 |
ENDIF |
| 409 |
ENDDO |
| 410 |
DO j=1-OLy,sNy+OLy |
| 411 |
C Western boundary |
| 412 |
I_obc = OB_Iw(j,bi,bj) |
| 413 |
IF ( I_obc.NE.OB_indexNone ) THEN |
| 414 |
seaiceMaskU(I_obc,j,bi,bj)= 0.0 _d 0 |
| 415 |
seaiceMaskV(I_obc,j,bi,bj)= 0.0 _d 0 |
| 416 |
ENDIF |
| 417 |
ENDDO |
| 418 |
ENDIF |
| 419 |
#endif /* SEAICE_CGRID */ |
| 420 |
#endif /* OBCS_UVICE_OLD */ |
| 421 |
|
| 422 |
DO j=1-OLy,sNy+OLy |
| 423 |
DO i=1-OLx,sNx+OLx |
| 424 |
DO k=1,nITD |
| 425 |
TICES(i,j,k,bi,bj)=273.0 _d 0 |
| 426 |
ENDDO |
| 427 |
#ifndef SEAICE_CGRID |
| 428 |
AMASS (i,j,bi,bj)=1000.0 _d 0 |
| 429 |
#else |
| 430 |
seaiceMassC(i,j,bi,bj)=1000.0 _d 0 |
| 431 |
seaiceMassU(i,j,bi,bj)=1000.0 _d 0 |
| 432 |
seaiceMassV(i,j,bi,bj)=1000.0 _d 0 |
| 433 |
#endif |
| 434 |
ENDDO |
| 435 |
ENDDO |
| 436 |
|
| 437 |
ENDDO |
| 438 |
ENDDO |
| 439 |
|
| 440 |
C-- Update overlap regions |
| 441 |
#ifdef SEAICE_CGRID |
| 442 |
CALL EXCH_UV_XY_RL(seaiceMaskU,seaiceMaskV,.FALSE.,myThid) |
| 443 |
#else |
| 444 |
_EXCH_XY_RS(UVM, myThid) |
| 445 |
#endif |
| 446 |
|
| 447 |
C-- Now lets look at all these beasts |
| 448 |
IF ( plotLevel.GE.debLevC ) THEN |
| 449 |
CALL PLOT_FIELD_XYRL( HEFFM , 'Current HEFFM ' , |
| 450 |
& nIter0, myThid ) |
| 451 |
#ifdef SEAICE_CGRID |
| 452 |
CALL PLOT_FIELD_XYRL( seaiceMaskU, 'Current seaiceMaskU', |
| 453 |
& nIter0, myThid ) |
| 454 |
CALL PLOT_FIELD_XYRL( seaiceMaskV, 'Current seaiceMaskV', |
| 455 |
& nIter0, myThid ) |
| 456 |
#else |
| 457 |
CALL PLOT_FIELD_XYRS( UVM , 'Current UVM ' , |
| 458 |
& nIter0, myThid ) |
| 459 |
#endif |
| 460 |
ENDIF |
| 461 |
|
| 462 |
C-- Set model variables to initial/restart conditions |
| 463 |
IF ( .NOT. ( startTime .EQ. baseTime .AND. nIter0 .EQ. 0 |
| 464 |
& .AND. pickupSuff .EQ. ' ') ) THEN |
| 465 |
|
| 466 |
CALL SEAICE_READ_PICKUP ( myThid ) |
| 467 |
|
| 468 |
ELSE |
| 469 |
|
| 470 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 471 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 472 |
DO j=1-OLy,sNy+OLy |
| 473 |
DO i=1-OLx,sNx+OLx |
| 474 |
HEFF(i,j,bi,bj)=SEAICE_initialHEFF*HEFFM(i,j,bi,bj) |
| 475 |
UICE(i,j,bi,bj)=ZERO |
| 476 |
VICE(i,j,bi,bj)=ZERO |
| 477 |
ENDDO |
| 478 |
ENDDO |
| 479 |
ENDDO |
| 480 |
ENDDO |
| 481 |
|
| 482 |
C-- Read initial sea-ice velocity from file (if available) |
| 483 |
IF ( uIceFile .NE. ' ' ) |
| 484 |
& CALL READ_FLD_XY_RL( uIceFile, ' ', uIce, 0, myThid ) |
| 485 |
IF ( vIceFile .NE. ' ' ) |
| 486 |
& CALL READ_FLD_XY_RL( vIceFile, ' ', vIce, 0, myThid ) |
| 487 |
IF ( uIceFile .NE. ' ' .OR. vIceFile .NE. ' ' ) THEN |
| 488 |
#ifdef SEAICE_CGRID |
| 489 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 490 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 491 |
DO j=1-OLy,sNy+OLy |
| 492 |
DO i=1-OLx,sNx+OLx |
| 493 |
uIce(i,j,bi,bj) = uIce(i,j,bi,bj)*seaiceMaskU(i,j,bi,bj) |
| 494 |
vIce(i,j,bi,bj) = vIce(i,j,bi,bj)*seaiceMaskV(i,j,bi,bj) |
| 495 |
ENDDO |
| 496 |
ENDDO |
| 497 |
ENDDO |
| 498 |
ENDDO |
| 499 |
#endif /* SEAICE_CGRID */ |
| 500 |
CALL EXCH_UV_XY_RL( uIce, vIce, .TRUE., myThid ) |
| 501 |
ENDIF |
| 502 |
|
| 503 |
C-- Read initial sea-ice thickness from file if available. |
| 504 |
IF ( HeffFile .NE. ' ' ) THEN |
| 505 |
CALL READ_FLD_XY_RL( HeffFile, ' ', HEFF, 0, myThid ) |
| 506 |
_EXCH_XY_RL(HEFF,myThid) |
| 507 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 508 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 509 |
DO j=1-OLy,sNy+OLy |
| 510 |
DO i=1-OLx,sNx+OLx |
| 511 |
HEFF(i,j,bi,bj) = MAX(HEFF(i,j,bi,bj),ZERO) |
| 512 |
ENDDO |
| 513 |
ENDDO |
| 514 |
ENDDO |
| 515 |
ENDDO |
| 516 |
ENDIF |
| 517 |
|
| 518 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 519 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 520 |
DO j=1-OLy,sNy+OLy |
| 521 |
DO i=1-OLx,sNx+OLx |
| 522 |
IF(HEFF(i,j,bi,bj).GT.ZERO) AREA(i,j,bi,bj)=ONE |
| 523 |
ENDDO |
| 524 |
ENDDO |
| 525 |
ENDDO |
| 526 |
ENDDO |
| 527 |
|
| 528 |
C-- Read initial sea-ice area from file if available. |
| 529 |
IF ( AreaFile .NE. ' ' ) THEN |
| 530 |
CALL READ_FLD_XY_RL( AreaFile, ' ', AREA, 0, myThid ) |
| 531 |
_EXCH_XY_RL(AREA,myThid) |
| 532 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 533 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 534 |
DO j=1-OLy,sNy+OLy |
| 535 |
DO i=1-OLx,sNx+OLx |
| 536 |
AREA(i,j,bi,bj) = MAX(AREA(i,j,bi,bj),ZERO) |
| 537 |
AREA(i,j,bi,bj) = MIN(AREA(i,j,bi,bj),ONE) |
| 538 |
IF ( AREA(i,j,bi,bj) .LE. ZERO ) HEFF(i,j,bi,bj) = ZERO |
| 539 |
IF ( HEFF(i,j,bi,bj) .LE. ZERO ) AREA(i,j,bi,bj) = ZERO |
| 540 |
ENDDO |
| 541 |
ENDDO |
| 542 |
ENDDO |
| 543 |
ENDDO |
| 544 |
ENDIF |
| 545 |
|
| 546 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 547 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 548 |
DO j=1-OLy,sNy+OLy |
| 549 |
DO i=1-OLx,sNx+OLx |
| 550 |
HSNOW(i,j,bi,bj) = 0.2 _d 0 * AREA(i,j,bi,bj) |
| 551 |
ENDDO |
| 552 |
ENDDO |
| 553 |
ENDDO |
| 554 |
ENDDO |
| 555 |
|
| 556 |
C-- Read initial snow thickness from file if available. |
| 557 |
IF ( HsnowFile .NE. ' ' ) THEN |
| 558 |
CALL READ_FLD_XY_RL( HsnowFile, ' ', HSNOW, 0, myThid ) |
| 559 |
_EXCH_XY_RL(HSNOW,myThid) |
| 560 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 561 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 562 |
DO j=1-OLy,sNy+OLy |
| 563 |
DO i=1-OLx,sNx+OLx |
| 564 |
HSNOW(i,j,bi,bj) = MAX(HSNOW(i,j,bi,bj),ZERO) |
| 565 |
ENDDO |
| 566 |
ENDDO |
| 567 |
ENDDO |
| 568 |
ENDDO |
| 569 |
ENDIF |
| 570 |
|
| 571 |
#ifdef SEAICE_ITD |
| 572 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 573 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 574 |
DO j=1-OLy,sNy+OLy |
| 575 |
DO i=1-OLx,sNx+OLx |
| 576 |
AREAITD(I,J,1,bi,bj) = AREA(I,J,bi,bj) |
| 577 |
HEFFITD(I,J,1,bi,bj) = HEFF(I,J,bi,bj) |
| 578 |
HSNOWITD(I,J,1,bi,bj) = HSNOW(I,J,bi,bj) |
| 579 |
opnWtrFrac(I,J,bi,bj) = 1. _d 0 - AREA(I,J,bi,bj) |
| 580 |
fw2ObyRidge(I,J,bi,bj) = 0. _d 0 |
| 581 |
ENDDO |
| 582 |
ENDDO |
| 583 |
CALL SEAICE_ITD_REDIST(bi, bj, baseTime, nIter0, myThid) |
| 584 |
ENDDO |
| 585 |
ENDDO |
| 586 |
#endif |
| 587 |
|
| 588 |
#ifdef SEAICE_VARIABLE_SALINITY |
| 589 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 590 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 591 |
DO j=1-OLy,sNy+OLy |
| 592 |
DO i=1-OLx,sNx+OLx |
| 593 |
HSALT(i,j,bi,bj)=HEFF(i,j,bi,bj)*salt(i,j,kSurface,bi,bj)* |
| 594 |
& SEAICE_rhoIce*SEAICE_saltFrac |
| 595 |
cif & ICE2WATR*rhoConstFresh*SEAICE_saltFrac |
| 596 |
|
| 597 |
ENDDO |
| 598 |
ENDDO |
| 599 |
ENDDO |
| 600 |
ENDDO |
| 601 |
|
| 602 |
C-- Read initial sea ice salinity from file if available. |
| 603 |
IF ( HsaltFile .NE. ' ' ) THEN |
| 604 |
CALL READ_FLD_XY_RL( HsaltFile, ' ', HSALT, 0, myThid ) |
| 605 |
_EXCH_XY_RL(HSALT,myThid) |
| 606 |
ENDIF |
| 607 |
#endif /* SEAICE_VARIABLE_SALINITY */ |
| 608 |
|
| 609 |
#ifdef ALLOW_SITRACER |
| 610 |
C-- Read initial sea ice age from file if available. |
| 611 |
DO iTr = 1, SItrMaxNum |
| 612 |
IF ( SItrFile(iTr) .NE. ' ' ) THEN |
| 613 |
CALL READ_FLD_XY_RL( siTrFile(iTr), ' ', |
| 614 |
& SItracer(1-OLx,1-OLy,1,1,iTr), 0, myThid ) |
| 615 |
_EXCH_XY_RL(SItracer(1-OLx,1-OLy,1,1,iTr),myThid) |
| 616 |
ENDIF |
| 617 |
ENDDO |
| 618 |
#endif /* ALLOW_SITRACER */ |
| 619 |
|
| 620 |
ENDIF |
| 621 |
|
| 622 |
#if (defined (ALLOW_MEAN_SFLUX_COST_CONTRIBUTION) || defined (ALLOW_SSH_GLOBMEAN_COST_CONTRIBUTION)) |
| 623 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 624 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 625 |
DO j=1-OLy,sNy+OLy |
| 626 |
DO i=1-OLx,sNx+OLx |
| 627 |
AREAforAtmFW(i,j,bi,bj) = AREA(i,j,bi,bj) |
| 628 |
ENDDO |
| 629 |
ENDDO |
| 630 |
ENDDO |
| 631 |
ENDDO |
| 632 |
#endif |
| 633 |
|
| 634 |
#ifdef ALLOW_OBCS |
| 635 |
C-- In case we use scheme with a large stencil that extends into overlap: |
| 636 |
C no longer needed with the right masking in advection & diffusion S/R. |
| 637 |
c IF ( useOBCS ) THEN |
| 638 |
c DO bj=myByLo(myThid),myByHi(myThid) |
| 639 |
c DO bi=myBxLo(myThid),myBxHi(myThid) |
| 640 |
c CALL OBCS_COPY_TRACER( HEFF(1-OLx,1-OLy,bi,bj), |
| 641 |
c I 1, bi, bj, myThid ) |
| 642 |
c CALL OBCS_COPY_TRACER( AREA(1-OLx,1-OLy,bi,bj), |
| 643 |
c I 1, bi, bj, myThid ) |
| 644 |
c CALL OBCS_COPY_TRACER( HSNOW(1-OLx,1-OLy,bi,bj), |
| 645 |
c I 1, bi, bj, myThid ) |
| 646 |
#ifdef SEAICE_VARIABLE_SALINITY |
| 647 |
c CALL OBCS_COPY_TRACER( HSALT(1-OLx,1-OLy,bi,bj), |
| 648 |
c I 1, bi, bj, myThid ) |
| 649 |
#endif |
| 650 |
c ENDDO |
| 651 |
c ENDDO |
| 652 |
c ENDIF |
| 653 |
#endif /* ALLOW_OBCS */ |
| 654 |
|
| 655 |
#ifdef SEAICE_ALLOW_JFNK |
| 656 |
C Computing this metric cannot be done in S/R SEAICE_INIT_FIXED |
| 657 |
C where it belongs, because globalArea is only defined later after |
| 658 |
C S/R PACKAGES_INIT_FIXED, so we move this computation here. |
| 659 |
CALL SEAICE_MAP_RS2VEC( nVec, rAw, rAs, |
| 660 |
& scalarProductMetric, .TRUE., myThid ) |
| 661 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 662 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 663 |
DO i=1,nVec |
| 664 |
scalarProductMetric(i,1,bi,bj) = |
| 665 |
& scalarProductMetric(i,1,bi,bj)/globalArea |
| 666 |
ENDDO |
| 667 |
ENDDO |
| 668 |
ENDDO |
| 669 |
#endif /* SEAICE_ALLOW_JFNK */ |
| 670 |
|
| 671 |
C--- Complete initialization |
| 672 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 673 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 674 |
DO j=1-OLy,sNy+OLy |
| 675 |
DO i=1-OLx,sNx+OLx |
| 676 |
ZETA(i,j,bi,bj) = HEFF(i,j,bi,bj)*(1.0 _d 11) |
| 677 |
ETA(i,j,bi,bj) = ZETA(i,j,bi,bj)/SEAICE_eccen**2 |
| 678 |
PRESS0(i,j,bi,bj) = SEAICE_strength*HEFF(i,j,bi,bj) |
| 679 |
& *EXP(-SEAICE_cStar*(ONE-AREA(i,j,bi,bj))) |
| 680 |
ZMAX(I,J,bi,bj) = SEAICE_zetaMaxFac*PRESS0(I,J,bi,bj) |
| 681 |
ZMIN(i,j,bi,bj) = SEAICE_zetaMin |
| 682 |
PRESS0(i,j,bi,bj) = PRESS0(i,j,bi,bj)*HEFFM(i,j,bi,bj) |
| 683 |
ENDDO |
| 684 |
ENDDO |
| 685 |
IF ( useRealFreshWaterFlux .AND. .NOT.useThSIce ) THEN |
| 686 |
DO j=1-OLy,sNy+OLy |
| 687 |
DO i=1-OLx,sNx+OLx |
| 688 |
sIceLoad(i,j,bi,bj) = HEFF(i,j,bi,bj)*SEAICE_rhoIce |
| 689 |
& + HSNOW(i,j,bi,bj)*SEAICE_rhoSnow |
| 690 |
|
| 691 |
ENDDO |
| 692 |
ENDDO |
| 693 |
ENDIF |
| 694 |
ENDDO |
| 695 |
ENDDO |
| 696 |
#ifdef SEAICE_CGRID |
| 697 |
C compute tensile strength factor k: tensileStrength = k*PRESS |
| 698 |
C can be done in initialisation phase as long as it depends only |
| 699 |
C on depth |
| 700 |
IF ( SEAICE_tensilFac .NE. 0. _d 0 ) THEN |
| 701 |
recip_tensilDepth = 0. _d 0 |
| 702 |
IF ( SEAICE_tensilDepth .GT. 0. _d 0 ) |
| 703 |
& recip_tensilDepth = 1. _d 0 / SEAICE_tensilDepth |
| 704 |
DO bj=myByLo(myThid),myByHi(myThid) |
| 705 |
DO bi=myBxLo(myThid),myBxHi(myThid) |
| 706 |
DO j=1-OLy,sNy+OLy |
| 707 |
DO i=1-OLx,sNx+OLx |
| 708 |
tensileStrFac(i,j,bi,bj) = SEAICE_tensilFac*HEFFM(i,j,bi,bj) |
| 709 |
& *exp(-ABS(R_low(i,j,bi,bj))*recip_tensilDepth) |
| 710 |
ENDDO |
| 711 |
ENDDO |
| 712 |
ENDDO |
| 713 |
ENDDO |
| 714 |
ENDIF |
| 715 |
#endif /* SEAICE_CGRID */ |
| 716 |
|
| 717 |
RETURN |
| 718 |
END |
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