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Xuesong (Steve)
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code/diag56_mod.f
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222
code/diag56_mod.f
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! $Id: diag56_mod.f,v 1.1 2009/06/09 21:51:52 daven Exp $
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MODULE DIAG56_MOD
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!
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!******************************************************************************
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! Module DIAG56_MOD contains arrays and routines for archiving the ND56
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! diagnostic -- lightning flash rates. (bmy, 5/11/06, 3/7/07)
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!
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! Module Variables:
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! ============================================================================
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! (1 ) AD56 (REAL*4) : Diagnostic array for lightning flash rates
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!
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! Module Routines:
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! ============================================================================
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! (1 ) ZERO_DIAG56 : Sets all module arrays to zero
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! (2 ) WRITE_DIAG56 : Writes data in module arrays to bpch file
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! (3 ) INIT_DIAG56 : Allocates all module arrays
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! (4 ) CLEANUP_DIAG56 : Deallocates all module arrays
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!
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! GEOS-CHEM modules referenced by diag03_mod.f
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! ============================================================================
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! (1 ) bpch2_mod.f : Module w/ routines for binary pch file I/O
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! (2 ) error_mod.f : Module w/ NaN and other error check routines
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! (3 ) file_mod.f : Module w/ file unit numbers and error checks
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! (4 ) grid_mod.f : Module w/ horizontal grid information
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! (5 ) time_mod.f : Module w/ routines to compute date & time
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!
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! NOTES:
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! (1 ) Replace TINY(1d0) with 1d-32 to avoid problems on SUN 4100 platform
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! (bmy, 9/5/06)
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! (2 ) Now divide AD56 by the # of A-6 timesteps (ltm, bmy, 3/7/07)
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!******************************************************************************
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!
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IMPLICIT NONE
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!=================================================================
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! MODULE PRIVATE DECLARATIONS -- keep certain internal variables
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! and routines from being seen outside "diag56_mod.f"
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!=================================================================
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! Make everything PUBLIC
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PUBLIC
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!=================================================================
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! MODULE VARIABLES
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!=================================================================
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! Scalars
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INTEGER :: ND56
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INTEGER, PARAMETER :: PD56 = 3
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! Arrays
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REAL*4, ALLOCATABLE :: AD56(:,:,:)
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!=================================================================
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! MODULE ROUTINES -- follow below the "CONTAINS" statement
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!=================================================================
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CONTAINS
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!------------------------------------------------------------------------------
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SUBROUTINE ZERO_DIAG56
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!
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!******************************************************************************
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! Subroutine ZERO_DIAG03 zeroes the ND03 diagnostic arrays.
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! (bmy, 5/11/06)
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!
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! NOTES:
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!******************************************************************************
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!
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!=================================================================
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! ZERO_DIAG56 begins here!
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!=================================================================
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! Exit if ND56 is turned off
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IF ( ND56 == 0 ) RETURN
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! Zero arrays
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AD56(:,:,:) = 0e0
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! Return to calling program
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END SUBROUTINE ZERO_DIAG56
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!------------------------------------------------------------------------------
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SUBROUTINE WRITE_DIAG56
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!
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!******************************************************************************
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! Subroutine WRITE_DIAG56 writes the ND03 diagnostic arrays to the binary
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! punch file at the proper time. (bmy, 5/11/06, 3/7/06)
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!
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! # : Field : Description : Units : Scale factor
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! --------------------------------------------------------------------------
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! (1 ) LFLASH-$ : Lightning flash rate : flashes/min/km2 : SCALE_A6
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! (2 ) LFLASH-$ : Intra-cloud flash rate : flashes/min/km2 : SCALE_A6
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! (3 ) LFLASH-$ : Cloud-ground flash rate : flashes/min/km2 : SCALE_A6
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!
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! NOTES:
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! (1 ) Replace TINY(1d0) with 1d-32 to avoid problems on SUN 4100 platform
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! (bmy, 9/5/06)
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! (2 ) Now scale AD56 by the # of A-6 timesteps (ltm, bmy, 3/7/07)
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!******************************************************************************
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!
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! References to F90 modules
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USE BPCH2_MOD, ONLY : BPCH2, GET_MODELNAME, GET_HALFPOLAR
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USE FILE_MOD, ONLY : IU_BPCH
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USE GRID_MOD, ONLY : GET_XOFFSET, GET_YOFFSET
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USE TIME_MOD, ONLY : GET_CT_A6, GET_DIAGb, GET_DIAGe
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# include "CMN_SIZE" ! Size parameters
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# include "CMN_DIAG" ! TINDEX
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! Local variables
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INTEGER :: CENTER180, HALFPOLAR, IFIRST
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INTEGER :: JFIRST, LFIRST, M, N
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REAL*4 :: ARRAY(IIPAR,JJPAR,1)
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REAL*4 :: LONRES, LATRES
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REAL*8 :: DIAGb, DIAGe, SCALE
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CHARACTER(LEN=20) :: MODELNAME
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CHARACTER(LEN=40) :: CATEGORY, RESERVED, UNIT
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!=================================================================
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! WRITE_DIAG56 begins here!
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!=================================================================
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! Exit if ND03 is turned off
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IF ( ND56 == 0 ) RETURN
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! Initialize
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CENTER180 = 1
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DIAGb = GET_DIAGb()
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DIAGe = GET_DIAGe()
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HALFPOLAR = GET_HALFPOLAR()
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IFIRST = GET_XOFFSET( GLOBAL=.TRUE. ) + 1
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JFIRST = GET_YOFFSET( GLOBAL=.TRUE. ) + 1
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LATRES = DJSIZE
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LFIRST = 1
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LONRES = DISIZE
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MODELNAME = GET_MODELNAME()
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RESERVED = ''
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SCALE = DBLE( GET_CT_A6() ) + 1d-32
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!=================================================================
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! Write data to the bpch file
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!=================================================================
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! Loop over ND03 diagnostic tracers
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DO M = 1, TMAX(56)
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! Define quantities
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N = TINDEX(56,M)
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CATEGORY = 'LFLASH-$'
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UNIT = 'flashes/min/km2'
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ARRAY(:,:,1) = AD56(:,:,N) / SCALE
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! Write data to disk
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CALL BPCH2( IU_BPCH, MODELNAME, LONRES, LATRES,
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& HALFPOLAR, CENTER180, CATEGORY, N,
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& UNIT, DIAGb, DIAGe, RESERVED,
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& IIPAR, JJPAR, 1, IFIRST,
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& JFIRST, LFIRST, ARRAY(:,:,1) )
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ENDDO
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! Return to calling program
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END SUBROUTINE WRITE_DIAG56
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!------------------------------------------------------------------------------
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SUBROUTINE INIT_DIAG56
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!
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!******************************************************************************
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! Subroutine INIT_DIAG56 allocates all module arrays (bmy, 5/11/06)
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!
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! NOTES:
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!******************************************************************************
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!
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! References to F90 modules
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USE ERROR_MOD, ONLY : ALLOC_ERR
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# include "CMN_SIZE"
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! Local variables
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INTEGER :: AS
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!=================================================================
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! INIT_DIAG03 begins here!
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!=================================================================
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! Exit if ND56 is turned off
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IF ( ND56 == 0 ) RETURN
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! 2-D array ("LFLASH-$")
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ALLOCATE( AD56( IIPAR, JJPAR, PD56 ), STAT=AS )
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IF ( AS /= 0 ) CALL ALLOC_ERR( 'AD56' )
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! Zero arrays
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CALL ZERO_DIAG56
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! Return to calling program
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END SUBROUTINE INIT_DIAG56
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!------------------------------------------------------------------------------
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SUBROUTINE CLEANUP_DIAG56
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!
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!******************************************************************************
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! Subroutine CLEANUP_DIAG56 deallocates all module arrays (bmy, 5/11/06)
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!
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! NOTES:
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!******************************************************************************
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!
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!=================================================================
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! CLEANUP_DIAG56 begins here!
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!=================================================================
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IF ( ALLOCATED( AD56 ) ) DEALLOCATE( AD56 )
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! Return to calling program
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END SUBROUTINE CLEANUP_DIAG56
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!------------------------------------------------------------------------------
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! End of module
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END MODULE DIAG56_MOD
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