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C $Header: /u/gcmpack/MITgcm/pkg/gmredi/gmredi_readparms.F,v 1.16 2007/06/20 22:11:10 jmc Exp $ |
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C $Name: $ |
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#include "GMREDI_OPTIONS.h" |
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CBOP |
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C !ROUTINE: GMREDI_READPARMS |
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C !INTERFACE: |
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SUBROUTINE GMREDI_READPARMS( myThid ) |
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C !DESCRIPTION: \bv |
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C *==========================================================* |
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C | SUBROUTINE GMREDI_READPARMS |
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C | o Routine to initialize GM/Redi variables and constants. |
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C *==========================================================* |
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C | Initialize GM/Redi parameters, read in data.gmredi |
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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 "GRID.h" |
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#include "GMREDI.h" |
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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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#ifdef ALLOW_GMREDI |
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C !LOCAL VARIABLES: |
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C === Local variables === |
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C msgBuf - Informational/error meesage buffer |
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C iUnit - Work variable for IO unit number |
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CHARACTER*(MAX_LEN_MBUF) msgBuf |
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INTEGER iUnit |
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CEOP |
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C-- GM/Redi parameter |
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C GM_Small_Number :: epsilon used in computing the slope |
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C GM_slopeSqCutoff :: slope^2 cut-off value |
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NAMELIST /GM_PARM01/ |
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& GM_AdvForm, GM_AdvSeparate, |
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& GM_isopycK, |
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& GM_background_K, |
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& GM_taper_scheme, |
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& GM_maxSlope, |
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& GM_Kmin_horiz, |
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& GM_Small_Number, GM_slopeSqCutoff, |
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& GM_Visbeck_alpha, |
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& GM_Visbeck_length, |
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& GM_Visbeck_depth, |
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& GM_Visbeck_maxval_K, |
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& GM_Scrit, |
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& GM_Sd, |
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& GM_MNC |
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c & GM_dumpFreq, |
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c & GM_taveFreq |
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_BEGIN_MASTER(myThid) |
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C-- GMREDI_READPARMS has been called so we know that |
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C the package is active. |
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GMRediIsOn = .TRUE. |
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C-- Default values GM/Redi |
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GM_AdvForm = .FALSE. |
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GM_AdvSeparate = .FALSE. |
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GM_isopycK = -999. |
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GM_background_K = 0. _d 0 |
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GM_maxslope = 1. _d -2 |
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GM_Kmin_horiz = 0. _d 0 |
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GM_Small_Number = 1. _d -20 |
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GM_slopeSqCutoff = 1. _d +48 |
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GM_taper_scheme = ' ' |
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GM_Scrit = 0.004 _d 0 |
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GM_Sd = 0.001 _d 0 |
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GM_MNC = useMNC |
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C-- Default values GM/Redi I/O control |
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c GM_dumpFreq = -1. |
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c GM_taveFreq = -1. |
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C-- Default values Visbeck |
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GM_Visbeck_alpha = 0. _d 0 |
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GM_Visbeck_length = 200. _d 3 |
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GM_Visbeck_depth = 1000. _d 0 |
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GM_Visbeck_maxval_K = 2500. _d 0 |
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WRITE(msgBuf,'(A)') ' GM_READPARMS: opening data.gmredi' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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CALL OPEN_COPY_DATA_FILE( |
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I 'data.gmredi', 'GM_READPARMS', |
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O iUnit, |
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I myThid ) |
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C Read parameters from open data file |
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READ(UNIT=iUnit,NML=GM_PARM01) |
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WRITE(msgBuf,'(A)') ' GM_READPARMS: finished reading data.gmredi' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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C Close the open data file |
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CLOSE(iUnit) |
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C Default value for GM_isopycK is equal to GM_background_K : |
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IF (GM_isopycK.EQ.-999.) GM_isopycK = GM_background_K |
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C Some constants |
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GM_rMaxSlope=0. |
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if (GM_maxSlope.ne.0.) GM_rMaxSlope=1. / GM_maxSlope |
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IF (GM_AdvForm) THEN |
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GM_skewflx = 0. |
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GM_advect = 1. |
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GM_ExtraDiag = GM_Visbeck_alpha.NE.0. .OR. GM_isopycK.NE.0. |
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ELSE |
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GM_skewflx = 1. |
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GM_advect = 0. |
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GM_ExtraDiag = GM_isopycK.NE.GM_background_K |
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ENDIF |
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C Make sure that we locally honor the global MNC on/off flag |
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GM_MNC = GM_MNC .AND. useMNC |
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#ifndef ALLOW_MNC |
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C Fix to avoid running without getting any output: |
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GM_MNC = .FALSE. |
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#endif |
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GM_MDSIO = (.NOT. GM_MNC) .OR. outputTypesInclusive |
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_END_MASTER(myThid) |
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C-- Everyone else must wait for the parameters to be loaded |
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_BARRIER |
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#endif /* ALLOW_GMREDI */ |
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RETURN |
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END |
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