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C $Header: /u/gcmpack/MITgcm_contrib/verification_other/shelfice_remeshing/code/shelfice_dig_shelf.F,v 1.2 2016/05/05 18:16:04 dgoldberg 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_UPDATE_MASKS |
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C !INTERFACE: |
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SUBROUTINE SHELFICE_DIG_SHELF( |
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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_UPDATE_MASKS |
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C | o modify topography factor hFacC according to ice shelf |
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C | topography |
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C *==========================================================* |
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C \ev |
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|
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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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#include "GRID.h" |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C == Routine arguments == |
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C rF :: R-coordinate of face of cell (units of r). |
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C recip_drF :: Recipricol of cell face separation along Z axis ( units of r ). |
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C hFacC :: Fraction of cell in vertical which is open (see GRID.h) |
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C myThid :: Number of this instance of SHELFICE_UPDATE_MASKS |
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! _RS recip_drF (1:Nr) |
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! _RS hFacC (1-OLx:sNx+OLx,1-OLy:sNy+OLy,1:Nr,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,K :: Loop counters |
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INTEGER bi, bj |
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INTEGER I, J, K |
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_RL hFacCtmp |
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_RL hFacMnSz |
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_RL draft_west, draft_east, draft_south, draft_north |
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_RS min_draft (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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INTEGER ktmp (1-OLx:sNx+OLx,1-OLy:sNy+OLy,nSx,nSy) |
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CEOP |
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|
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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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DO k= 1, Nr |
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IF (hFacC(i,j,k,bi,bj).NE.0) THEN |
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ktmp(i,j,bi,bj) = k |
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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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ENDDO |
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|
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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+1,sNy+OLy-1 |
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DO i=1-OLx,sNx+OLx |
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R_MWCT(i,j,bi,bj) = 0. _d 0 |
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|
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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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! FIND MIN COL THICKNESS REGARDLESS OF NEIGHBORING CELLS |
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|
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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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|
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IF(maskInC(i,j,bi,bj).eq.1) THEN |
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min_draft(i,j,bi,bj) = R_low(i,j,bi,bj) + |
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& 2.*hfacmin*drF(ktmp(i,j,bi,bj)) |
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ENDIF |
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|
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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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if (shelfice_dig_ice) then |
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|
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! NOW FIND MIN COL THICKNESS BASED ON U POINTS |
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|
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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+1,sNx+OLx-1 |
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|
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IF(maskInC(i,j,bi,bj).eq.1 .AND. |
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& maskInC(i-1,j,bi,bj).eq.1) THEN |
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draft_west = max ( |
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& min_draft(i-1,j,bi,bj), |
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& R_low(i,j,bi,bj) + hfacmin * drF(ktmp(i,j,bi,bj))) |
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draft_east = max ( |
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& min_draft(i,j,bi,bj), |
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& R_low(i-1,j,bi,bj) + hfacmin * drF(ktmp(i-1,j,bi,bj))) |
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min_draft(i-1,j,bi,bj) = max |
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& (draft_west, min_draft(i-1,j,bi,bj)) |
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min_draft(i,j,bi,bj) = max |
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& (draft_east, min_draft(i,j,bi,bj)) |
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|
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ENDIF |
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|
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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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_EXCH_XY_RS(min_draft, myThid) |
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|
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! NOW FIND MIN COL THICKNESS BASED ON V POINTS |
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|
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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+1,sNy+OLy-1 |
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DO i=1-OLx,sNx+OLx |
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IF(maskInC(i,j,bi,bj).eq.1 .AND. |
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& maskInC(i,j-1,bi,bj).eq.1) THEN |
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|
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draft_south = max ( |
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& min_draft(i,j-1,bi,bj), |
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& R_low(i,j,bi,bj) + hfacmin * drF(ktmp(i,j,bi,bj))) |
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|
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draft_north = max ( |
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& min_draft(i,j,bi,bj), |
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& R_low(i,j-1,bi,bj) + hfacmin * drF(ktmp(i,j-1,bi,bj))) |
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|
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min_draft(i,j-1,bi,bj) = max |
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& (draft_south, min_draft(i,j-1,bi,bj)) |
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|
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min_draft(i,j,bi,bj) = max |
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& (draft_north, min_draft(i,j,bi,bj)) |
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|
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ENDIF |
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|
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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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_EXCH_XY_RS(min_draft, myThid) |
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|
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endif |
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|
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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+1,sNy+OLy-1 |
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DO i=1-OLx,sNx+OLx |
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|
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IF(maskInC(i,j,bi,bj).eq.1) THEN |
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R_MWCT(i,j,bi,bj) = min_draft(i,j,bi,bj) - |
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& R_low(i,j,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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IF ( debugLevel .GE. debLevD ) THEN |
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CALL WRITE_FLD_XY_RL ("ShelficeMinColThick","",R_MWCT,0,mythid) |
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ENDIF |
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#endif /* ALLOW_SHELFICE */ |
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|
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RETURN |
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END |
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