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C $Header: /u/gcmpack/MITgcm/pkg/shelfice/shelfice_update_masks.F,v 1.6 2014/09/11 19:20:38 jmc Exp $ |
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C $Name: $ |
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#include "SHELFICE_OPTIONS.h" |
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CBOP |
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C !ROUTINE: SHELFICE_INIT_DEPTHS |
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C !INTERFACE: |
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SUBROUTINE SHELFICE_INIT_DEPTHS( |
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U rLowC, rSurfC, |
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I myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE SHELFICE_INIT_DEPTHS |
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C | o Modify ocean upper boundary position according to |
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C | ice-shelf topography |
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C *==========================================================* |
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C \ev |
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C !USES: |
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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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#ifdef ALLOW_SHELFICE |
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# include "SHELFICE.h" |
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#endif /* ALLOW_SHELFICE */ |
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C rLowC :: base of fluid column in r_unit at grid-cell center |
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C rSurfC :: surface reference position (r_unit) at grid-cell center |
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C myThid :: my Thread Id number |
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_RS rLowC (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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_RS rSurfC (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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INTEGER myThid |
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#ifdef ALLOW_SHELFICE |
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C !LOCAL VARIABLES: |
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C == Local variables == |
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C bi, bj :: tile indices |
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C i, j :: Loop counters |
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INTEGER bi, bj |
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INTEGER i, j |
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CEOP |
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C-- Initialize R_shelfIce |
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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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R_shelfIce(i,j,bi,bj) = 0. _d 0 |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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IF ( SHELFICEtopoFile .NE. ' ' ) THEN |
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_BARRIER |
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C- Read the shelfIce draught using the mid-level I/O pacakage read_write_rec |
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C The 0 is the "iteration" argument. The 1 is the record number. |
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CALL READ_REC_XY_RS( SHELFICEtopoFile, R_shelfIce, |
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& 1, 0, myThid ) |
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C- Read the shelfIce draught using the mid-level I/O pacakage read_write_fld |
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C The 0 is the "iteration" argument. The ' ' is an empty suffix |
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C CALL READ_FLD_XY_RS( SHELFICEtopoFile, ' ', R_shelfIce, |
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C & 0, myThid ) |
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C- end setup R_shelfIce in the interior |
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ENDIF |
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C- fill in the overlap (+ BARRIER): |
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_EXCH_XY_RS( R_shelfIce, myThid ) |
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C-- Modify ocean upper boundary position according to ice-shelf topography |
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IF ( usingZCoords ) THEN |
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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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rSurfC(i,j,bi,bj) = |
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& MIN( rSurfC(i,j,bi,bj), R_shelfIce(i,j,bi,bj) ) |
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ENDDO |
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ENDDO |
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ENDDO |
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ENDDO |
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ELSE |
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STOP 'SHELFICE_INIT_DEPTHS: Missing code for P-coords' |
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ENDIF |
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#endif /* ALLOW_SHELFICE */ |
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RETURN |
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END |
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