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 C  | 
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 #include "SEAICE_OPTIONS.h" | 
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 CStartOfInterface | 
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       SUBROUTINE groatb( A22, myThid ) | 
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 C     /==========================================================\ | 
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 C     | SUBROUTINE groatb                                        | | 
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 C     | o Calculate ice growth                                   | | 
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 C     |==========================================================| | 
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 C     \==========================================================/ | 
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       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 "PARAMS.h" | 
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 #include "DYNVARS.h" | 
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 #include "FFIELDS.h" | 
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 #include "SEAICE.h" | 
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 #include "SEAICE_FFIELDS.h" | 
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 C     === Routine arguments === | 
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 C     myThid - Thread no. that called this routine. | 
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       _RL A22 | 
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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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 C     i,j,k,bi,bj - Loop counters | 
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       INTEGER i, j, k, bi, bj | 
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       INTEGER KOPEN | 
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       _RL U1, V1 | 
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       _RL HICE (1-OLx:sNx+OLx, 1-OLy:sNy+OLy) | 
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       _RL AR   (1-OLx:sNx+OLx, 1-OLy:sNy+OLy) | 
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       _RL UG   (1-OLx:sNx+OLx, 1-OLy:sNy+OLy) | 
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 C if this is not done before then do it here | 
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       _EXCH_XY_R8(GAIRX, myThid) | 
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       _EXCH_XY_R8(GAIRY, myThid) | 
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       DO bj=myByLo(myThid),myByHi(myThid) | 
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        DO bi=myBxLo(myThid),myBxHi(myThid) | 
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 C DETERMINE AMOUNT OF OPEN WATER AND ICE THICKNESS | 
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         DO J=1,sNy | 
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          DO I=1,sNx | 
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           AREA(I,J,2,bi,bj)=MAX(A22,AREA(I,J,2,bi,bj)) | 
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           FHEFF(I,J,bi,bj)=0.0 | 
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           HICE(I,J)=HEFF(I,J,2,bi,bj)/AREA(I,J,2,bi,bj) | 
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          ENDDO | 
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         ENDDO | 
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 C NOW DETERMINE MIXED LAYER TEMPERATURE | 
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         DO J=1,sNy | 
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          DO I=1,sNx | 
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           TMIX(I,J,bi,bj)=theta(I,J,1,bi,bj)+273.16E+00 | 
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 #ifdef SEAICE_DEBUG | 
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           TMIX(I,J,bi,bj)=MAX(TMIX(I,J,bi,bj),271.2E+00) | 
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 #endif SEAICE_DEBUG | 
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          ENDDO | 
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         ENDDO | 
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         DO J=1,sNy | 
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          DO I=1,sNx | 
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           U1=0.25*(GAIRX(I-1,J-1,bi,bj)+GAIRX(I-1,J,bi,bj) | 
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      1      +GAIRX(I,J-1,bi,bj)+GAIRX(I,J,bi,bj)) | 
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           V1=0.25*(GAIRY(I-1,J-1,bi,bj)+GAIRY(I-1,J,bi,bj) | 
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      1      +GAIRY(I,J-1,bi,bj)+GAIRY(I,J,bi,bj)) | 
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           UG(I,J)=SQRT(U1**2+V1**2) | 
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          ENDDO | 
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         ENDDO | 
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 C NOW DETERMINE GROWTH RATES | 
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 C FIRST DO OPEN WATER | 
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         KOPEN=-1 | 
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         CALL BUDGET(UG, TMIX, HICE, FO, KOPEN, bi, bj) | 
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 C NOW DO ICE | 
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         KOPEN=1 | 
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         CALL BUDGET(UG, TICE, HICE, FICE, KOPEN, bi, bj) | 
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        ENDDO | 
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       ENDDO | 
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 #endif ALLOW_SEAICE | 
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       RETURN | 
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       END |