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C $Header: /u/gcmpack/MITgcm/pkg/obcs/obcs_copy_uv_n.F,v 1.1 2011/10/25 15:09:18 mlosch Exp $ |
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C $Name: $ |
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|
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#include "OBCS_OPTIONS.h" |
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|
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CBOP |
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C !ROUTINE: OBCS_COPY_UV_N |
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C !INTERFACE: |
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|
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SUBROUTINE OBCS_COPY_UV_N( |
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U uFld, vFld, |
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I kSiz, bi, bj, myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | S/R OBCS_COPY_UV_N |
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C | Copy normal value from the OB location to narrow band |
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C | region (width = same as overlap) beyond the OB. |
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C *==========================================================* |
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C | Note: need to copy at the beginning of the dynamics loop |
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C | only when Stevens boundary conditions are used |
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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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#include "OBCS_PARAMS.h" |
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#include "OBCS_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 u/vFld :: u and v-components which OBC applies to. |
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C kSiz :: 3rd dim of tracer-field array "trFld" |
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C bi, bj :: indices of current tile |
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C myThid :: my Thread Id number |
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INTEGER kSiz |
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_RL uFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,kSiz) |
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_RL vFld(1-OLx:sNx+OLx,1-OLy:sNy+OLy,kSiz) |
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INTEGER bi, bj |
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INTEGER myThid |
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CEOP |
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|
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#ifdef ALLOW_OBCS_STEVENS |
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|
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C !LOCAL VARIABLES: |
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C == Local variables == |
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INTEGER i, j, k |
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INTEGER Iobc, Jobc |
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|
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C Set model variables to OB values on North/South Boundaries |
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#ifdef ALLOW_OBCS_NORTH |
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IF ( tileHasOBN(bi,bj) .AND. useStevensNorth ) THEN |
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C Northern boundary |
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DO i=1-OLx,sNx+OLx |
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Jobc = OB_Jn(i,bi,bj) |
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IF ( Jobc.NE.OB_indexNone ) THEN |
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DO k = 1, kSiz |
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DO j = Jobc+1, Jobc+OLy |
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vFld(i,j,k) = vFld(i,Jobc,k) |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_OBCS_NORTH */ |
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|
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#ifdef ALLOW_OBCS_SOUTH |
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IF ( tileHasOBS(bi,bj) .AND. useStevensSouth ) THEN |
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C Southern boundary |
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DO i=1-OLx,sNx+OLx |
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Jobc = OB_Js(i,bi,bj) |
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IF ( Jobc.NE.OB_indexNone ) THEN |
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DO k = 1, kSiz |
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DO j = Jobc-OLy, Jobc |
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vFld(i,j,k) = vFld(i,Jobc+1,k) |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_OBCS_SOUTH */ |
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|
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C Set model variables to OB values on East/West Boundaries |
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#ifdef ALLOW_OBCS_EAST |
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IF ( tileHasOBE(bi,bj) .AND. useStevensEast ) THEN |
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C Eastern boundary |
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DO j=1-OLy,sNy+OLy |
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Iobc = OB_Ie(j,bi,bj) |
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IF ( Iobc.NE.OB_indexNone ) THEN |
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DO k = 1, kSiz |
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DO i = Iobc+1, Iobc+OLx |
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uFld(i,j,k) = uFld(Iobc,j,k) |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_OBCS_EAST */ |
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|
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#ifdef ALLOW_OBCS_WEST |
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IF ( tileHasOBW(bi,bj) .AND. useStevensWest ) THEN |
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C Western boundary |
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DO j=1-OLy,sNy+OLy |
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Iobc = OB_Iw(j,bi,bj) |
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IF ( Iobc.NE.OB_indexNone ) THEN |
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DO k = 1, kSiz |
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DO i = Iobc-OLx, Iobc |
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uFld(i,j,k) = uFld(Iobc+1,j,k) |
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ENDDO |
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ENDDO |
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ENDIF |
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ENDDO |
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ENDIF |
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#endif /* ALLOW_OBCS_WEST */ |
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|
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#endif /* ALLOW_OBCS_STEVENS */ |
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|
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RETURN |
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END |
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