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C $Header: /u/gcmpack/MITgcm/pkg/obcs/obcs_readparms.F,v 1.43 2012/09/20 19:04:46 dimitri 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_READPARMS |
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C !INTERFACE: |
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SUBROUTINE OBCS_READPARMS( myThid ) |
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|
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE OBCS_READPARMS |
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C | o Routine to initialize OBCS variables and constants. |
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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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#include "OBCS_PARAMS.h" |
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#include "OBCS_GRID.h" |
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#include "OBCS_SEAICE.h" |
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#ifdef ALLOW_ORLANSKI |
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#include "ORLANSKI.h" |
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#endif |
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#ifdef ALLOW_PTRACERS |
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#include "PTRACERS_SIZE.h" |
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#include "OBCS_PTRACERS.h" |
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#endif /* ALLOW_PTRACERS */ |
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#ifdef ALLOW_EXCH2 |
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#include "W2_EXCH2_SIZE.h" |
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#include "W2_EXCH2_TOPOLOGY.h" |
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#include "W2_EXCH2_PARAMS.h" |
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#endif /* ALLOW_EXCH2 */ |
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|
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C !INPUT/OUTPUT PARAMETERS: |
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C === Routine arguments === |
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INTEGER myThid |
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|
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#ifdef ALLOW_OBCS |
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|
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C !LOCAL VARIABLES: |
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C === Local variables === |
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C msgBuf :: Informational/error message buffer |
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C iUnit :: Work variable for IO unit number |
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C OB_indexUnset :: OB index value for places where no OB is defined |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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INTEGER iUnit |
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INTEGER i, j |
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INTEGER bi, bj, iG, jG, iGm, jGm |
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INTEGER OB_indexUnset |
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#ifdef ALLOW_PTRACERS |
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INTEGER iTracer |
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#endif |
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#ifdef ALLOW_EXCH2 |
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INTEGER tN |
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#endif /* ALLOW_EXCH2 */ |
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|
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C These are input arrays (of integers) that contain the *absolute* |
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C computational index of an open-boundary (OB) point. |
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C A zero (0) element means there is no corresponding OB in that column/row. |
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C The computational coordinate refers to "tracer" cells. |
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C For a northern/southern OB, the OB V point is to the south/north. |
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C For an eastern/western OB, the OB U point is to the west/east. |
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C eg. |
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C OB_Jnorth(3)=34 means that: |
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C T( 3 ,34) is a an OB point |
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C U(3:4,34) is a an OB point |
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C V( 4 ,34) is a an OB point |
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C while |
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C OB_Jsouth(3)=1 means that: |
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C T( 3 ,1) is a an OB point |
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C U(3:4,1) is a an OB point |
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C V( 4 ,2) is a an OB point |
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C |
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C For convenience, negative values for Jnorth/Ieast refer to |
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C points relative to the Northern/Eastern edges of the model |
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C eg. OB_Jnorth(3)=-1 means that the point (3,Ny) is a northern O-B. |
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C |
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C With exch2, the global domain used for specifying the boundary (and |
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C boundary value files) is different for N,S and E,W boundaries: |
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C - for N,S, the facets are stacked in x (like W2_mapIO=-1) |
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C - for E,W, the facets are stacked in y, so that E,W boundaries in |
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C different facets cannot have the same I |
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C |
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C OB_Jnorth(W2_maxXStackNx) :: global index array of northern open-boundary point |
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C OB_Jsouth(W2_maxXStackNx) :: global index array of southern open-boundary point |
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C OB_Ieast(W2_maxYStackNy) :: global index array of eastern open-boundary point |
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C OB_Iwest(W2_maxYStackNy) :: global index array of western open-boundary point |
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|
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#ifdef ALLOW_EXCH2 |
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INTEGER OB_Jnorth(W2_maxXStackNx) |
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INTEGER OB_Jsouth(W2_maxXStackNx) |
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INTEGER OB_Ieast(W2_maxYStackNy) |
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INTEGER OB_Iwest(W2_maxYStackNy) |
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#else |
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INTEGER OB_Jnorth(Nx) |
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INTEGER OB_Jsouth(Nx) |
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INTEGER OB_Ieast(Ny) |
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INTEGER OB_Iwest(Ny) |
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#endif |
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|
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C With exch2, we use different global domains for specifying |
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C N,S resp. E,W boundaries (and for reading in the corresponding data): |
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C |
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C OBNS_Nx :: width of global domain for OB_Jnorth, OB_Jsouth |
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C OBNS_Ny :: height of global domain for OB_Jnorth, OB_Jsouth |
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C OBEW_Nx :: width of global domain for OB_Ieast, OB_Iwest |
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C OBEW_Ny :: height of global domain for OB_Ieast, OB_Iwest |
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|
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INTEGER OBNS_Nx, OBNS_Ny |
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INTEGER OBEW_Nx, OBEW_Ny |
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CEOP |
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|
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C retired parameters |
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INTEGER nRetired |
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LOGICAL useOBCSYearlyFields |
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|
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NAMELIST /OBCS_PARM01/ |
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& insideOBmaskFile, |
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& OB_Jnorth,OB_Jsouth,OB_Ieast,OB_Iwest, |
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& useOrlanskiNorth,useOrlanskiSouth, |
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& useOrlanskiEast,useOrlanskiWest, |
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& useStevensNorth,useStevensSouth, |
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& useStevensEast,useStevensWest, |
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& OBCS_u1_adv_T, OBCS_u1_adv_S, |
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& OBNuFile,OBNvFile,OBNtFile,OBNsFile,OBNaFile,OBNhFile, |
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& OBSuFile,OBSvFile,OBStFile,OBSsFile,OBSaFile,OBShFile, |
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& OBEuFile,OBEvFile,OBEtFile,OBEsFile,OBEaFile,OBEhFile, |
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& OBWuFile,OBWvFile,OBWtFile,OBWsFile,OBWaFile,OBWhFile, |
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& OBNslFile,OBSslFile,OBEslFile,OBWslFile, |
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& OBNsnFile,OBSsnFile,OBEsnFile,OBWsnFile, |
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& OBNuiceFile,OBSuiceFile,OBEuiceFile,OBWuiceFile, |
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& OBNviceFile,OBSviceFile,OBEviceFile,OBWviceFile, |
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& OBNetaFile, OBSetaFile, OBEetaFile, OBWetaFile, |
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& OBNwFile, OBSwFile, OBEwFile, OBWwFile, |
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#ifdef ALLOW_PTRACERS |
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& OBCS_u1_adv_Tr, |
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& OBNptrFile,OBSptrFile,OBEptrFile,OBWptrFile, |
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#endif |
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& useOBCSsponge, useSeaiceSponge, |
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& useOBCSbalance, useOBCSprescribe, |
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& OBCS_balanceFacN, OBCS_balanceFacS, |
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& OBCS_balanceFacE, OBCS_balanceFacW, |
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& useOBCSYearlyFields, OBCSfixTopo, |
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& OBCS_uvApplyFac, |
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& OBCS_monitorFreq, OBCS_monSelect, OBCSprintDiags |
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|
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#ifdef ALLOW_ORLANSKI |
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NAMELIST /OBCS_PARM02/ |
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& CMAX, cvelTimeScale, CFIX, useFixedCEast, useFixedCWest |
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#endif |
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|
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#ifdef ALLOW_OBCS_SPONGE |
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NAMELIST /OBCS_PARM03/ |
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& Urelaxobcsinner,Urelaxobcsbound, |
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& Vrelaxobcsinner,Vrelaxobcsbound, |
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& spongeThickness |
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#endif |
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#ifdef ALLOW_OBCS_STEVENS |
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NAMELIST /OBCS_PARM04/ |
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& TrelaxStevens,SrelaxStevens, |
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& useStevensPhaseVel,useStevensAdvection |
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#endif /* ALLOW_OBCS_STEVENS */ |
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#ifdef ALLOW_OBCS_SEAICE_SPONGE |
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NAMELIST /OBCS_PARM05/ |
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& Arelaxobcsinner, Arelaxobcsbound, |
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& Hrelaxobcsinner, Hrelaxobcsbound, |
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& SLrelaxobcsinner,SLrelaxobcsbound, |
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& SNrelaxobcsinner,SNrelaxobcsbound, |
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& seaiceSpongeThickness |
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#endif |
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|
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_BEGIN_MASTER(myThid) |
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|
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#ifdef ALLOW_EXCH2 |
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OBNS_Nx = exch2_xStack_Nx |
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OBNS_Ny = exch2_xStack_Ny |
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OBEW_Nx = exch2_yStack_Nx |
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OBEW_Ny = exch2_yStack_Ny |
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#else |
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OBNS_Nx = Nx |
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OBNS_Ny = Ny |
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OBEW_Nx = Nx |
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OBEW_Ny = Ny |
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#endif |
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|
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C-- Default flags and values for OBCS |
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OB_indexNone = -99 |
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OB_indexUnset = 0 |
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insideOBmaskFile = ' ' |
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DO i=1,OBNS_Nx |
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OB_Jnorth(i) = OB_indexUnset |
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OB_Jsouth(i) = OB_indexUnset |
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ENDDO |
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DO j=1,OBEW_Ny |
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OB_Ieast(j) = OB_indexUnset |
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OB_Iwest(j) = OB_indexUnset |
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ENDDO |
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OBCS_indexStatus = 0 |
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useOrlanskiNorth =.FALSE. |
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useOrlanskiSouth =.FALSE. |
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useOrlanskiEast =.FALSE. |
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useOrlanskiWest =.FALSE. |
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useStevensNorth =.FALSE. |
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useStevensSouth =.FALSE. |
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useStevensEast =.FALSE. |
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useStevensWest =.FALSE. |
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useStevensPhaseVel =.TRUE. |
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useStevensAdvection=.TRUE. |
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useOBCSsponge =.FALSE. |
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useSeaiceSponge =.FALSE. |
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useOBCSbalance =.FALSE. |
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OBCS_balanceFacN = 1. _d 0 |
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OBCS_balanceFacS = 1. _d 0 |
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OBCS_balanceFacE = 1. _d 0 |
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OBCS_balanceFacW = 1. _d 0 |
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OBCS_u1_adv_T = 0 |
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OBCS_u1_adv_S = 0 |
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useOBCSprescribe =.FALSE. |
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OBCSfixTopo =.FALSE. |
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OBCS_uvApplyFac = 1. _d 0 |
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OBCS_monitorFreq = monitorFreq |
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OBCS_monSelect = 0 |
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OBCSprintDiags = debugLevel.GE.debLevC |
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|
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OBNuFile = ' ' |
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OBNvFile = ' ' |
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OBNtFile = ' ' |
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OBNsFile = ' ' |
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OBNaFile = ' ' |
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OBNslFile = ' ' |
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OBNsnFile = ' ' |
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OBNuiceFile = ' ' |
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OBNviceFile = ' ' |
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OBNhFile = ' ' |
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OBSuFile = ' ' |
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OBSvFile = ' ' |
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OBStFile = ' ' |
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OBSsFile = ' ' |
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OBSaFile = ' ' |
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OBShFile = ' ' |
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OBSslFile = ' ' |
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OBSsnFile = ' ' |
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OBSuiceFile = ' ' |
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OBSviceFile = ' ' |
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OBEuFile = ' ' |
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OBEvFile = ' ' |
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OBEtFile = ' ' |
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OBEsFile = ' ' |
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OBEaFile = ' ' |
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OBEhFile = ' ' |
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OBEslFile = ' ' |
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OBEsnFile = ' ' |
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OBEuiceFile = ' ' |
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OBEviceFile = ' ' |
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OBWuFile = ' ' |
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OBWvFile = ' ' |
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OBWtFile = ' ' |
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OBWsFile = ' ' |
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OBWaFile = ' ' |
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OBWhFile = ' ' |
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OBWslFile = ' ' |
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OBWsnFile = ' ' |
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OBWuiceFile = ' ' |
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OBWviceFile = ' ' |
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OBNetaFile = ' ' |
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OBSetaFile = ' ' |
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OBEetaFile = ' ' |
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OBWetaFile = ' ' |
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OBNwFile = ' ' |
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OBSwFile = ' ' |
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OBEwFile = ' ' |
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OBWwFile = ' ' |
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#ifdef ALLOW_PTRACERS |
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DO iTracer = 1, PTRACERS_num |
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OBCS_u1_adv_Tr(iTracer) = 0 |
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OBNptrFile(iTracer) = ' ' |
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OBSptrFile(iTracer) = ' ' |
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OBEptrFile(iTracer) = ' ' |
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OBWptrFile(iTracer) = ' ' |
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ENDDO |
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#endif |
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C- retired parameters |
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nRetired = 0 |
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useOBCSYearlyFields = .FALSE. |
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|
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C Open and read the data.obcs file |
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WRITE(msgBuf,'(A)') ' OBCS_READPARMS: opening data.obcs' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , myThid ) |
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CALL OPEN_COPY_DATA_FILE( |
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I 'data.obcs', 'OBCS_READPARMS', |
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O iUnit, |
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I myThid ) |
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|
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C-- Read parameters from open data file |
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READ(UNIT=iUnit,NML=OBCS_PARM01) |
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|
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C- retired parameter |
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IF ( useOBCSYearlyFields ) THEN |
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nRetired = nRetired + 1 |
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WRITE(msgBuf,'(A,A)') |
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& 'OBCS_READPARMS: "useOBCSYearlyFields"', |
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& ' no longer allowed in file "data.obcs"' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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WRITE(msgBuf,'(A,A)') 'OBCS_READPARMS: ', |
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& ' was moved to "data.exf", namelist: "EXF_NML_OBCS"' |
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CALL PRINT_ERROR( msgBuf, myThid ) |
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ENDIF |
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|
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#ifdef ALLOW_ORLANSKI |
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C Default Orlanski radiation parameters |
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CMAX = 0.45 _d 0 /* maximum allowable phase speed-CFL for AB-II */ |
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cvelTimeScale = 2000.0 _d 0 /* Averaging period for phase speed (s) */ |
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CFIX = 0.8 _d 0 /* Fixed boundary phase speed in m/s */ |
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useFixedCEast=.FALSE. |
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useFixedCWest=.FALSE. |
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IF (useOrlanskiNorth.OR. |
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& useOrlanskiSouth.OR. |
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& useOrlanskiEast.OR. |
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& useOrlanskiWest) |
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& READ(UNIT=iUnit,NML=OBCS_PARM02) |
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#endif |
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|
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#ifdef ALLOW_OBCS_SPONGE |
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C Default sponge layer parameters: |
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C sponge layer is turned off by default |
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spongeThickness = 0 |
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Urelaxobcsinner = 0. _d 0 |
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Urelaxobcsbound = 0. _d 0 |
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Vrelaxobcsinner = 0. _d 0 |
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Vrelaxobcsbound = 0. _d 0 |
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CML this was the previous default in units of days |
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CML spongeThickness = 2 |
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CML Urelaxobcsinner = 5. _d 0 |
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CML Urelaxobcsbound = 1. _d 0 |
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CML Vrelaxobcsinner = 5. _d 0 |
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CML Vrelaxobcsbound = 1. _d 0 |
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IF (useOBCSsponge) |
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& READ(UNIT=iUnit,NML=OBCS_PARM03) |
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#endif |
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#ifdef ALLOW_OBCS_STEVENS |
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TrelaxStevens = 0. _d 0 |
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SrelaxStevens = 0. _d 0 |
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IF ( useStevensNorth .OR. useStevensSouth |
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& .OR. useStevensEast .OR. useStevensWest ) |
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& READ(UNIT=iUnit,NML=OBCS_PARM04) |
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#endif |
| 354 |
#ifdef ALLOW_OBCS_SEAICE_SPONGE |
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C Default seaice sponge layer parameters: |
| 356 |
C seaice sponge layer is turned off by default |
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seaiceSpongeThickness = 0 |
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Arelaxobcsinner = 0. _d 0 |
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Arelaxobcsbound = 0. _d 0 |
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Hrelaxobcsinner = 0. _d 0 |
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Hrelaxobcsbound = 0. _d 0 |
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SLrelaxobcsinner = 0. _d 0 |
| 363 |
SLrelaxobcsbound = 0. _d 0 |
| 364 |
SNrelaxobcsinner = 0. _d 0 |
| 365 |
SNrelaxobcsbound = 0. _d 0 |
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IF (useSeaiceSponge) READ(UNIT=iUnit,NML=OBCS_PARM05) |
| 367 |
#endif |
| 368 |
|
| 369 |
WRITE(msgBuf,'(A)') ' OBCS_READPARMS: finished reading data.obcs' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 371 |
& SQUEEZE_RIGHT , myThid ) |
| 372 |
|
| 373 |
C-- Close the open data file |
| 374 |
CLOSE(iUnit) |
| 375 |
|
| 376 |
C- retired parameter |
| 377 |
IF ( nRetired .GT. 0 ) THEN |
| 378 |
WRITE(msgBuf,'(A)') |
| 379 |
& 'OBCS_READPARMS: reading parameter file "data.obcs"' |
| 380 |
CALL PRINT_ERROR( msgBuf, myThid ) |
| 381 |
WRITE(msgBuf,'(A)') |
| 382 |
& 'some out of date parameters were found in namelist' |
| 383 |
CALL PRINT_ERROR( msgBuf, myThid ) |
| 384 |
STOP 'ABNORMAL END: S/R OBCS_READPARMS' |
| 385 |
ENDIF |
| 386 |
|
| 387 |
C- Account for periodicity if negative indices were supplied |
| 388 |
DO j=1,OBEW_Ny |
| 389 |
IF ( OB_Ieast(j) .NE.OB_indexUnset .AND. |
| 390 |
& OB_Ieast(j) .LT.0 ) OB_Ieast(j) = OB_Ieast(j)+OBEW_Nx+1 |
| 391 |
ENDDO |
| 392 |
DO i=1,OBNS_Nx |
| 393 |
IF ( OB_Jnorth(i).NE.OB_indexUnset .AND. |
| 394 |
& OB_Jnorth(i).LT.0 ) OB_Jnorth(i)=OB_Jnorth(i)+OBNS_Ny+1 |
| 395 |
ENDDO |
| 396 |
IF ( debugLevel.GE.debLevA ) THEN |
| 397 |
CALL WRITE_0D_I( OB_indexUnset, INDEX_NONE,' OB_indexUnset =', |
| 398 |
& ' /* unset OB index value (i.e. no OB) */') |
| 399 |
c write(*,*) 'OB Jn =',OB_Jnorth |
| 400 |
c write(*,*) 'OB Js =',OB_Jsouth |
| 401 |
c write(*,*) 'OB Ie =',OB_Ieast |
| 402 |
c write(*,*) 'OB Iw =',OB_Iwest |
| 403 |
WRITE(msgBuf,'(A)') ' Northern OB global indices : OB_Jnorth =' |
| 404 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 405 |
& SQUEEZE_RIGHT, myThid ) |
| 406 |
CALL PRINT_LIST_I( OB_Jnorth, 1, OBNS_Nx, INDEX_I, |
| 407 |
& .FALSE., .TRUE., standardMessageUnit ) |
| 408 |
WRITE(msgBuf,'(A)') ' Southern OB global indices : OB_Jsouth =' |
| 409 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 410 |
& SQUEEZE_RIGHT, myThid ) |
| 411 |
CALL PRINT_LIST_I( OB_Jsouth, 1, OBNS_Nx, INDEX_I, |
| 412 |
& .FALSE., .TRUE., standardMessageUnit ) |
| 413 |
WRITE(msgBuf,'(A)') ' Eastern OB global indices : OB_Ieast =' |
| 414 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 415 |
& SQUEEZE_RIGHT, myThid ) |
| 416 |
CALL PRINT_LIST_I( OB_Ieast, 1, OBEW_Ny, INDEX_J, |
| 417 |
& .FALSE., .TRUE., standardMessageUnit ) |
| 418 |
WRITE(msgBuf,'(A)') ' Western OB global indices : OB_Iwest =' |
| 419 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 420 |
& SQUEEZE_RIGHT, myThid ) |
| 421 |
CALL PRINT_LIST_I( OB_Iwest, 1, OBEW_Ny, INDEX_J, |
| 422 |
& .FALSE., .TRUE., standardMessageUnit ) |
| 423 |
WRITE(msgBuf,'(A)') ' ' |
| 424 |
CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
| 425 |
& SQUEEZE_RIGHT, myThid ) |
| 426 |
ENDIF |
| 427 |
|
| 428 |
C-- Continue master-thread only since global OB indices (+ OB_indexUnset) |
| 429 |
C are not shared (not in common block). |
| 430 |
|
| 431 |
C-- Calculate the tiled OB index arrays OB_Jn/Js/Ie/Iw here from the |
| 432 |
C global indices OB_Jnorth/Jsouth/Ieast/Iwest. |
| 433 |
C Note: This part of the code has been moved from obcs_init_fixed |
| 434 |
C to this routine because the OB_Jn/Js/Ie/Iw index arrays are |
| 435 |
C required by INI_DEPTH (calling OBCS_CHECK_DEPTHS, but only needs |
| 436 |
C valid interior indices) which is called before OBCS_INIT_FIXED. |
| 437 |
DO bj = 1, nSy |
| 438 |
DO bi = 1, nSx |
| 439 |
|
| 440 |
DO i=1-OLx,sNx+OLx |
| 441 |
OB_Jn(i,bi,bj) = OB_indexNone |
| 442 |
OB_Js(i,bi,bj) = OB_indexNone |
| 443 |
ENDDO |
| 444 |
|
| 445 |
DO j=1-OLy,sNy+OLy |
| 446 |
OB_Ie(j,bi,bj) = OB_indexNone |
| 447 |
OB_Iw(J,bi,bj) = OB_indexNone |
| 448 |
ENDDO |
| 449 |
|
| 450 |
#ifdef ALLOW_EXCH2 |
| 451 |
|
| 452 |
C-- We apply OBCS only inside tile and exchange overlaps later |
| 453 |
tN = W2_myTileList(bi,bj) |
| 454 |
C 1. N/S boundaries |
| 455 |
C convert from local y index J to global y index jG |
| 456 |
C for N/S boundaries, we use faces stacked in x direction |
| 457 |
DO i=1,sNx |
| 458 |
iG = exch2_txXStackLo(tN)+i-1 |
| 459 |
C- Northern boundaries |
| 460 |
IF ( OB_Jnorth(iG).NE.OB_indexUnset ) THEN |
| 461 |
C loop over local y index J |
| 462 |
DO j=1,sNy+1 |
| 463 |
jG = exch2_tyXStackLo(tN)+j-1 |
| 464 |
IF ( jG.EQ.OB_Jnorth(iG) ) OB_Jn(i,bi,bj) = j |
| 465 |
ENDDO |
| 466 |
ENDIF |
| 467 |
C- Southern boundaries |
| 468 |
IF ( OB_Jsouth(iG).NE.OB_indexUnset ) THEN |
| 469 |
DO j=0,sNy |
| 470 |
jG = exch2_tyXStackLo(tN)+j-1 |
| 471 |
IF ( jG.EQ.OB_Jsouth(iG) ) OB_Js(i,bi,bj) = j |
| 472 |
ENDDO |
| 473 |
ENDIF |
| 474 |
ENDDO |
| 475 |
C 2. E/W boundaries |
| 476 |
C convert from local y index J to global y index jG |
| 477 |
c for E/W boundaries, we use faces stacked in y direction |
| 478 |
DO j=1,sNy |
| 479 |
jG = exch2_tyYStackLo(tN)+j-1 |
| 480 |
C- Eastern boundaries |
| 481 |
IF ( OB_Ieast(jG).NE.OB_indexUnset ) THEN |
| 482 |
C loop over local x index I |
| 483 |
DO i=1,sNx+1 |
| 484 |
iG = exch2_txYStackLo(tN)+i-1 |
| 485 |
IF ( iG.EQ.OB_Ieast(jG) ) OB_Ie(j,bi,bj) = i |
| 486 |
ENDDO |
| 487 |
ENDIF |
| 488 |
C- Western boundaries |
| 489 |
IF ( OB_Iwest(jG).NE.OB_indexUnset ) THEN |
| 490 |
DO i=0,sNx |
| 491 |
iG = exch2_txYStackLo(tN)+i-1 |
| 492 |
IF ( iG.EQ.OB_Iwest(jG) ) OB_Iw(j,bi,bj) = i |
| 493 |
ENDDO |
| 494 |
ENDIF |
| 495 |
ENDDO |
| 496 |
|
| 497 |
C- OB-index tiled-arrays are set for tile-interior region |
| 498 |
OBCS_indexStatus = 1 |
| 499 |
|
| 500 |
#else /* ALLOW_EXCH2 */ |
| 501 |
|
| 502 |
DO j=1-OLy,sNy+OLy |
| 503 |
C convert from local y index J to global y index jG |
| 504 |
jG = myYGlobalLo+(bj-1)*sNy+j-1 |
| 505 |
C use periodicity to deal with out of range points caused by the overlaps. |
| 506 |
C they will be excluded by the mask in any case, but this saves array |
| 507 |
C out-of-bounds errors here. |
| 508 |
jGm = 1+MOD( jG-1+Ny , Ny ) |
| 509 |
C- Eastern boundaries |
| 510 |
C OB_Ieast(jGm) allows to put the eastern boundary at variable x locations |
| 511 |
IF ( OB_Ieast(jGm).NE.OB_indexUnset ) THEN |
| 512 |
C loop over local x index I |
| 513 |
DO i=1,sNx+1 |
| 514 |
iG = myXGlobalLo+(bi-1)*sNx+i-1 |
| 515 |
iGm = 1+MOD( iG-1+Nx , Nx ) |
| 516 |
IF ( iG.EQ.OB_Ieast(jGm) ) OB_Ie(j,bi,bj) = i |
| 517 |
ENDDO |
| 518 |
ENDIF |
| 519 |
C- Western boundaries |
| 520 |
IF ( OB_Iwest(jGm).NE.OB_indexUnset ) THEN |
| 521 |
DO i=0,sNx |
| 522 |
iG = myXGlobalLo+(bi-1)*sNx+i-1 |
| 523 |
iGm = 1+MOD( iG-1+Nx , Nx ) |
| 524 |
IF ( iG.EQ.OB_Iwest(jGm) ) OB_Iw(j,bi,bj) = i |
| 525 |
ENDDO |
| 526 |
ENDIF |
| 527 |
ENDDO |
| 528 |
|
| 529 |
DO i=1-OLx,sNx+OLx |
| 530 |
iG = myXGlobalLo+(bi-1)*sNx+i-1 |
| 531 |
iGm = 1+MOD( iG-1+Nx , Nx ) |
| 532 |
C- Northern boundaries |
| 533 |
C OB_Jnorth(iG) allows to put the northern boundary at variable y locations |
| 534 |
IF ( OB_Jnorth(iGm).NE.OB_indexUnset ) THEN |
| 535 |
DO j=1,sNy+1 |
| 536 |
jG = myYGlobalLo+(bj-1)*sNy+j-1 |
| 537 |
jGm = 1+MOD( jG-1+Ny , Ny ) |
| 538 |
IF ( jG.EQ.OB_Jnorth(iGm) ) OB_Jn(i,bi,bj) = j |
| 539 |
ENDDO |
| 540 |
ENDIF |
| 541 |
C- Southern boundaries |
| 542 |
IF ( OB_Jsouth(iGm).NE.OB_indexUnset ) THEN |
| 543 |
DO j=0,sNy |
| 544 |
jG = myYGlobalLo+(bj-1)*sNy+j-1 |
| 545 |
jGm = 1+MOD( jG-1+Ny , Ny ) |
| 546 |
IF ( jG.EQ.OB_Jsouth(iGm) ) OB_Js(i,bi,bj) = j |
| 547 |
ENDDO |
| 548 |
ENDIF |
| 549 |
ENDDO |
| 550 |
|
| 551 |
C- OB-index tiled-arrays are set for interior and overlap regions |
| 552 |
OBCS_indexStatus = 2 |
| 553 |
|
| 554 |
#endif /* ALLOW_EXCH2 */ |
| 555 |
|
| 556 |
C bi,bj-loops |
| 557 |
ENDDO |
| 558 |
ENDDO |
| 559 |
|
| 560 |
_END_MASTER(myThid) |
| 561 |
C-- Everyone else must wait for the parameters to be loaded |
| 562 |
C and tiled OB indices to be set. |
| 563 |
_BARRIER |
| 564 |
|
| 565 |
#endif /* ALLOW_OBCS */ |
| 566 |
RETURN |
| 567 |
END |
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