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C $Header: /u/gcmpack/MITgcm/pkg/zonal_filt/zonal_filt_readparms.F,v 1.2 2002/07/31 21:02:06 jmc Exp $ |
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C $Name: $ |
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|
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#include "ZONAL_FILT_OPTIONS.h" |
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|
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SUBROUTINE ZONAL_FILT_READPARMS( myThid ) |
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C /==========================================================\ |
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C | SUBROUTINE ZONAL_FILT_READPARMS | |
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C | o Routine to initialize Zonal Filter (=FFT) parameters | |
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C |==========================================================| |
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C \==========================================================/ |
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IMPLICIT NONE |
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|
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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 "ZONAL_FILT.h" |
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|
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C === Routine arguments === |
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INTEGER myThid |
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|
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#ifdef ALLOW_ZONAL_FILT |
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|
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NAMELIST /ZONFILT_PARM01/ |
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& zonal_filt_uvStar, zonal_filt_TrStagg, |
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& zonal_filt_lat, |
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& zonal_filt_cospow, zonal_filt_sinpow, |
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& zonal_filt_mode2dx |
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|
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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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|
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C-- ZONAL_FILT_READPARMS has been called so we know that |
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C the package is active. |
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c ZONFILTisOn=.TRUE. |
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|
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_BEGIN_MASTER(myThid) |
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|
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WRITE(msgBuf,'(A)')' ZONAL_FILT_READPARMS: opening data.zonfilt' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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|
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CALL OPEN_COPY_DATA_FILE( |
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I 'data.zonfilt', 'ZONAL_FILT_READPARMS', |
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O iUnit, |
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I myThid ) |
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|
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C-- Default flags and values for Zonal Filter |
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zonal_filt_uvStar = .TRUE. |
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zonal_filt_TrStagg = .TRUE. |
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zonal_filt_lat = 90. |
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zonal_filt_sinpow = 2 |
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zonal_filt_cospow = 2 |
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zonal_filt_mode2dx = 0 |
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|
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C-- Read parameters from open data file |
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READ(UNIT=iUnit,NML=ZONFILT_PARM01) |
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|
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WRITE(msgBuf,'(A)') |
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& ' ZONAL_FILT_READPARMS: finished reading data.zonfilt' |
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CALL PRINT_MESSAGE( msgBuf, standardMessageUnit, |
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& SQUEEZE_RIGHT , 1) |
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|
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c write(*,*) 'Shap_funct, nShap_Tr,UV _Phys=', |
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c & Shap_funct, nShapT, nShapUV, nShapTrPhys, nShapUVPhys |
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c write(*,*) 'Shap_Trtau,Shap_uvtau=',Shap_Trtau,Shap_uvtau |
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|
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C-- Close the open data file |
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CLOSE(iUnit) |
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_END_MASTER(myThid) |
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|
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C-- Everyone else must wait for the parameters to be loaded |
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_BARRIER |
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|
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C-- Check the parameters : |
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|
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IF ( .NOT.zonal_filt_uvStar ) THEN |
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|
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C- Notes: applying the filter at the end of the time step (after SOLVE_FOR_P) |
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C affects the barotropic flow divergence ; this might not be consistent |
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C with some option of the code. |
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|
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IF ( rigidLid ) THEN |
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WRITE(msgBuf,'(2A)') 'ZONAL_FILT with rigidLid ', |
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& 'needs zonal_filt_uvStar=.true.' |
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CALL PRINT_ERROR( msgBuf , 1) |
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STOP 'ABNORMAL END: S/R ZONAL_FILT_READPARMS' |
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ELSEIF ( .NOT.exactConserv ) THEN |
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WRITE(msgBuf,'(2A)') 'S/R ZONAL_FILT_READPARMS: WARNING <<< ', |
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& 'applying Filter after SOLVE_FOR_P (zonal_filt_uvStar=FALSE)' |
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CALL PRINT_MESSAGE(msgBuf, errorMessageUnit, SQUEEZE_RIGHT,1) |
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WRITE(msgBuf,'(2A)') 'S/R ZONAL_FILT_READPARMS: WARNING <<< ', |
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& 'requires to recompute Eta after ==> turn on exactConserv !' |
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CALL PRINT_MESSAGE(msgBuf, errorMessageUnit, SQUEEZE_RIGHT,1) |
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ENDIF |
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|
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ENDIF |
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|
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#endif /* ALLOW_ZONAL_FILT */ |
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RETURN |
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END |
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