Files
GEOS-Chem-adjoint-v35-note/code/xtra_read_mod.f
2018-08-28 00:47:55 -04:00

665 lines
25 KiB
Fortran

! $ Id: xtra_read_mod.f v2.2 2005/4/20 21:17:00 tmf Exp $
MODULE XTRA_READ_MOD
!
!******************************************************************************
! Module XTRA_READ_MOD contains routines that unzip, open, and read the
! GEOS-CHEM XTRA (avg 3-hour) met fields from disk. (dsa, tmf, bmy, 10/20/05)
!
! Module Routines:
! =========================================================================
! (1 ) UNZIP_XTRA_FIELDS : Unzips & copies met field files to a temp dir
! (2 ) DO_OPEN_XTRA : Returns TRUE if it's time to read XTRA fields
! (3 ) OPEN_XTRA_FIELDS : Opens met field files residing in the temp dir
! (4 ) GET_XTRA_FIELDS : Wrapper for routine READ_XTRA
! (5 ) GET_N_XTRA : Returns # of XTRA fields for each DAO data set
! (6 ) CHECK_TIME : Tests if XTRA met field timestamps = current time
! (7 ) READ_XTRA : Reads XTRA fields from disk
! (8 ) XTRA_CHECK : Checks if we have found all of the XTRA fields
!
! GEOS-CHEM modules referenced by xtra_read_mod.f
! ============================================================================
! (1 ) bpch2_mod.f : Module w/ routines for binary punch file I/O
! (2 ) dao_mod.f : Module w/ arrays for DAO met fields
! (3 ) diag_mod.f : Module w/ GEOS-CHEM diagnostic arrays
! (4 ) directory_mod.f : Module w/ GEOS-CHEM data & met field dirs
! (5 ) error_mod.f : Module w/ NaN and other error check routines
! (6 ) logical_mod.f : Module w/ GEOS-CHEM logical switches
! (7 ) file_mod.f : Module w/ file unit #'s and error checks
! (8 ) time_mod.f : Module w/ routines for computing time & date
! (9 ) transfer_mod.f : Module w/ routines to cast & resize arrays
! (10) unix_cmds_mod.f : Module w/ Unix commands for unzipping etc.
!
! NOTES:
!******************************************************************************
!
IMPLICIT NONE
!=================================================================
! MODULE PRIVATE DECLARATIONS -- keep certain internal variables
! and routines from being seen outside "xtra_read_mod.f"
!=================================================================
! Make everything PRIVATE ...
PRIVATE
! ... except these routines
PUBLIC :: GET_XTRA_FIELDS
PUBLIC :: OPEN_XTRA_FIELDS
PUBLIC :: UNZIP_XTRA_FIELDS
!=================================================================
! MODULE ROUTINES -- follow below the "CONTAINS" statement
!=================================================================
CONTAINS
!------------------------------------------------------------------------------
SUBROUTINE UNZIP_XTRA_FIELDS( OPTION, NYMD )
!
!*****************************************************************************
! Subroutine UNZIP_XTRA_FIELDS invokes a FORTRAN system call to uncompress
! GEOS-CHEM GEOS-3 XTRA met field files and store the uncompressed data in a
! temporary directory, where GEOS-CHEM can read them. The original data
! files are not disturbed. (dsa, tmf, bmy, 10/20/05)
!
! Arguments as input:
! ===========================================================================
! (1 ) OPTION (CHAR*(*)) : Option
! (2 ) NYMD (INTEGER ) : YYYYMMDD of XTRA file to be unzipped (optional)
!
! NOTES:
!*****************************************************************************
!
! References to F90 modules
USE BPCH2_MOD, ONLY : GET_RES_EXT
USE DIRECTORY_MOD, ONLY : DATA_DIR, GEOS_3_DIR, TEMP_DIR
USE ERROR_MOD, ONLY : ERROR_STOP
USE TIME_MOD, ONLY : EXPAND_DATE
USE UNIX_CMDS_MOD, ONLY : BACKGROUND, REDIRECT, REMOVE_CMD
USE UNIX_CMDS_MOD, ONLY : UNZIP_CMD, WILD_CARD, ZIP_SUFFIX
# include "CMN_SIZE"
! Arguments
CHARACTER(LEN=*), INTENT(IN) :: OPTION
INTEGER, OPTIONAL, INTENT(IN) :: NYMD
! Local variables
CHARACTER(LEN=255) :: XTRA_STR, GEOS_DIR
CHARACTER(LEN=255) :: XTRA_FILE_GZ, XTRA_FILE
CHARACTER(LEN=255) :: UNZIP_BG, UNZIP_FG
CHARACTER(LEN=255) :: REMOVE_ALL, REMOVE_DATE
!=================================================================
! UNZIP_XTRA_FIELDS begins here!
!=================================================================
IF ( PRESENT( NYMD ) ) THEN
! Strings for directory & filename
GEOS_DIR = TRIM( GEOS_3_DIR )
XTRA_STR = 'YYYYMMDD.xtra.' // GET_RES_EXT()
! Replace date tokens
CALL EXPAND_DATE( GEOS_DIR, NYMD, 000000 )
CALL EXPAND_DATE( XTRA_STR, NYMD, 000000 )
! Location of zipped XTRA file in data dir
XTRA_FILE_GZ = TRIM( DATA_DIR ) // TRIM( GEOS_DIR ) //
& TRIM( XTRA_STR ) // TRIM( ZIP_SUFFIX )
! Location of unzipped XTRA file in temp dir
XTRA_FILE = TRIM( TEMP_DIR ) // TRIM( XTRA_STR )
! Remove XTRA files for this date from temp dir
REMOVE_DATE = TRIM( REMOVE_CMD ) // ' ' //
& TRIM( TEMP_DIR ) // TRIM( XTRA_STR )
!==============================================================
! Define the foreground and background UNZIP commands
!==============================================================
! Foreground unzip
UNZIP_FG = TRIM( UNZIP_CMD ) // ' ' // TRIM( XTRA_FILE_GZ ) //
& TRIM( REDIRECT ) // ' ' // TRIM( XTRA_FILE )
! Background unzip
UNZIP_BG = TRIM( UNZIP_FG ) // TRIM( BACKGROUND )
ENDIF
!=================================================================
! Define command to remove all XTRA files from the TEMP dir
!=================================================================
REMOVE_ALL = TRIM( REMOVE_CMD ) // ' ' // TRIM( TEMP_DIR ) //
& TRIM( WILD_CARD ) // '.xtra.' // TRIM( WILD_CARD )
!=================================================================
! Perform an F90 system call to do the desired operation
!=================================================================
SELECT CASE ( TRIM( OPTION ) )
! Unzip XTRA fields in the Unix foreground
CASE ( 'unzip foreground' )
WRITE( 6, 100 ) TRIM( XTRA_FILE_GZ )
CALL SYSTEM( TRIM( UNZIP_FG ) )
! Unzip XTRA fields in the Unix background
CASE ( 'unzip background' )
WRITE( 6, 100 ) TRIM( XTRA_FILE_GZ )
CALL SYSTEM( TRIM( UNZIP_BG ) )
! Remove XTRA field for this date in temp dir
CASE ( 'remove date' )
WRITE( 6, 110 ) TRIM( XTRA_FILE )
CALL SYSTEM( TRIM( REMOVE_DATE ) )
! Remove all XTRA fields in temp dir
CASE ( 'remove all' )
WRITE( 6, 120 ) TRIM( REMOVE_ALL )
CALL SYSTEM( TRIM( REMOVE_ALL ) )
! Error -- bad option!
CASE DEFAULT
CALL ERROR_STOP( 'Invalid value for OPTION!',
& 'UNZIP_XTRA_FIELDS (xtra_read_mod.f)' )
END SELECT
! FORMAT strings
100 FORMAT( ' - Unzipping: ', a )
110 FORMAT( ' - Removing: ', a )
120 FORMAT( ' - About to execute command: ', a )
! Return to calling program
END SUBROUTINE UNZIP_XTRA_FIELDS
!------------------------------------------------------------------------------
FUNCTION DO_OPEN_XTRA( NYMD, NHMS ) RESULT( DO_OPEN )
!
!******************************************************************************
! Function DO_OPEN_XTRA returns TRUE if is time to open the XTRA met field
! file or FALSE otherwise. This prevents us from opening a file which has
! already been opened. (dsa, tmf, bmy, 10/20/05)
!
! Arguments as Input:
! ============================================================================
! (1 ) NYMD (INTEGER) : YYYYMMDD
! (2 ) NHMS (INTEGER) : and HHMMSS to be tested for A-3 file open
!
! NOTES:
!******************************************************************************
!
! Arguments
INTEGER, INTENT(IN) :: NYMD, NHMS
! Local variables
LOGICAL :: DO_OPEN
LOGICAL, SAVE :: FIRST = .TRUE.
INTEGER, SAVE :: LASTNYMD = -1
INTEGER, SAVE :: LASTNHMS = -1
!=================================================================
! DO_OPEN_XTRA begins here!
!=================================================================
! Initialize
DO_OPEN = .FALSE.
! Return if we have already opened the file
IF ( NYMD == LASTNYMD .and. NHMS == LASTNHMS ) THEN
DO_OPEN = .FALSE.
GOTO 999
ENDIF
! Open XTRA file if it's 00:00 GMT, or on the first call
IF ( NHMS == 000000 .or. FIRST ) THEN
DO_OPEN = .TRUE.
GOTO 999
ENDIF
!=================================================================
! Reset quantities for next call
!=================================================================
999 CONTINUE
LASTNYMD = NYMD
LASTNHMS = NHMS
FIRST = .FALSE.
! Return to calling program
END FUNCTION DO_OPEN_XTRA
!------------------------------------------------------------------------------
SUBROUTINE OPEN_XTRA_FIELDS( NYMD, NHMS )
!
!******************************************************************************
! Subroutine OPEN_XTRA_FIELDS opens the XTRA met fields file for date NYMD
! and time NHMS. (dsa, tmf, bmy, 10/20/05)
!
! Arguments as input:
! ===========================================================================
! (1 ) NYMD (INTEGER) : YYYYMMDD
! (2 ) NHMS (INTEGER) : and HHMMSS timestamps for XTRA file
!
! NOTES:
!******************************************************************************
!
! References to F90 modules
USE BPCH2_MOD, ONLY : GET_RES_EXT
USE DIRECTORY_MOD, ONLY : DATA_DIR, GEOS_3_DIR, TEMP_DIR
USE ERROR_MOD, ONLY : ERROR_STOP
USE LOGICAL_MOD, ONLY : LUNZIP
USE FILE_MOD, ONLY : IU_XT, IOERROR, FILE_EXISTS
USE TIME_MOD, ONLY : EXPAND_DATE
# include "CMN_SIZE" ! Size parameters
! Arguments
INTEGER, INTENT(IN) :: NYMD, NHMS
! Local variables
LOGICAL :: DO_OPEN
LOGICAL :: IT_EXISTS
INTEGER :: IOS
CHARACTER(LEN=8) :: IDENT
CHARACTER(LEN=255) :: XTRA_FILE
CHARACTER(LEN=255) :: GEOS_DIR
CHARACTER(LEN=255) :: PATH
!=================================================================
! OPEN_XTRA_FIELDS begins here!
!=================================================================
! Open XTRA fields at the proper time, or on the first call
IF ( DO_OPEN_XTRA( NYMD, NHMS ) ) THEN
! Strings for directory & filename
GEOS_DIR = TRIM( GEOS_3_DIR )
XTRA_FILE = 'YYYYMMDD.xtra.' // GET_RES_EXT()
! Replace date tokens
CALL EXPAND_DATE( XTRA_FILE, NYMD, NHMS )
CALL EXPAND_DATE( GEOS_DIR, NYMD, NHMS )
! If unzipping, open GEOS-4 file in TEMP dir
! If not unzipping, open GEOS-4 file in DATA dir
IF ( LUNZIP ) THEN
PATH = TRIM( TEMP_DIR ) // TRIM( XTRA_FILE )
ELSE
PATH = TRIM( DATA_DIR ) //
& TRIM( GEOS_DIR ) // TRIM( XTRA_FILE )
ENDIF
! Close previously opened XTRA file
CLOSE( IU_XT )
! Make sure the file unit is valid before we open the file
IF ( .not. FILE_EXISTS( IU_XT ) ) THEN
CALL ERROR_STOP( 'Could not find file!',
& 'OPEN_XTRA_FIELDS (xtra_read_mod.f)' )
ENDIF
! Open the file
OPEN( UNIT = IU_XT, FILE = TRIM( PATH ),
& STATUS = 'OLD', ACCESS = 'SEQUENTIAL',
& FORM = 'UNFORMATTED', IOSTAT = IOS )
IF ( IOS /= 0 ) THEN
CALL IOERROR( IOS, IU_XT, 'open_xtra_fields:1' )
ENDIF
! Echo info
WRITE( 6, 100 ) TRIM( PATH )
100 FORMAT( ' - Opening: ', a )
ENDIF
! Return to calling program
END SUBROUTINE OPEN_XTRA_FIELDS
!------------------------------------------------------------------------------
SUBROUTINE GET_XTRA_FIELDS( NYMD, NHMS )
!
!******************************************************************************
! Subroutine GET_XTRA_FIELDS is a wrapper for routine READ_XTRA.
! GET_XTRA_FIELDS calls READ_XTRA properly for reading the GEOS-3 met data
! set. (dsa, tmf, bmy, 10/20/05)
!
! Arguments as Input:
! ============================================================================
! (1 ) NYMD (INTEGER) : YYYYMMDD
! (2 ) NHMS (INTEGER) : and HHMMSS of XTRA fields to be read from disk
!
! NOTES:
! (1 ) Now extract only PARDR, PARDF for MEGAN biogenics inventory and SNOW
! for dust emissions from GEOS3. (tmf, 6/23/05)
!******************************************************************************
!
! References to F90 modules
USE DAO_MOD, ONLY : PARDR, PARDF, SNOW
USE FILE_MOD, ONLY : IU_XT
# include "CMN_SIZE" ! Size parameters
! Arguments
INTEGER, INTENT(IN) :: NYMD, NHMS
! Local variables
INTEGER, SAVE :: LASTNYMD = -1, LASTNHMS = -1
!=================================================================
! GET_XTRA_FIELDS begins here!
!=================================================================
! Skip over previously-read XTRA fields
IF ( NYMD == LASTNYMD .and. NHMS == LASTNHMS ) THEN
WRITE( 6, 100 ) NYMD, NHMS
100 FORMAT( ' - XTRA met fields for NYMD, NHMS = ',
& i8.8, 1x, i6.6, ' have been read already' )
RETURN
ENDIF
! Read PARDR, PARDF fields
CALL READ_XTRA( NYMD=NYMD, NHMS=NHMS,
& PARDR=PARDR, PARDF=PARDF, SNOW=SNOW )
! Save NYMD, NHMS for next call
LASTNYMD = NYMD
LASTNHMS = NHMS
! Return to MAIN program
END SUBROUTINE GET_XTRA_FIELDS
!---------------------------------------------------------------------------
FUNCTION CHECK_TIME( XYMD, XHMS, NYMD, NHMS ) RESULT( ITS_TIME )
!
!******************************************************************************
! Function CHECK_TIME checks to see if the timestamp of the XTRA field just
! read from disk matches the current time. If so, then it's time to return
! the XTRA field to the calling program. (dsa, tmf, bmy, 10/20/05)
!
! Arguments as Input:
! ============================================================================
! (1 ) XYMD (REAL*4 or INTEGER) : (YY)YYMMDD timestamp for A-3 field in file
! (2 ) XHMS (REAL*4 or INTEGER) : HHMMSS timestamp for A-3 field in file
! (3 ) NYMD (INTEGER ) : YYYYMMDD at which A-3 field is to be read
! (4 ) NHMS (INTEGER ) : HHMMSS at which A-3 field is to be read
!
! NOTES:
!******************************************************************************
!
# include "CMN_SIZE"
! Arguments
INTEGER, INTENT(IN) :: XYMD, XHMS, NYMD, NHMS
! Function value
LOGICAL :: ITS_TIME
!=================================================================
! GEOS-3, GEOS-4: XYMD and XHMS are integers
!=================================================================
IF ( XYMD == NYMD .AND. XHMS == NHMS ) THEN
ITS_TIME = .TRUE.
ELSE
ITS_TIME = .FALSE.
ENDIF
! Return to calling program
END FUNCTION CHECK_TIME
!-----------------------------------------------------------------------------
SUBROUTINE READ_XTRA( NYMD, NHMS,
& PARDR, PARDF, TSKIN, LAI,
& EVAP, RADLWG, SNOW )
!
!******************************************************************************
! Subroutine READ_XTRA reads GEOS-3 XTRA (3-hr avg) fields from disk.
! (dsa, tmf, bmy, 10/20/05)
!
! Arguments as input:
! ============================================================================
! (1 ) NYMD : YYYYMMDD
! (2 ) NHMS : and HHMMSS of XTRA met fields to be accessed
!
! XTRA Met Fields as Output:
! ============================================================================
! (1 ) PARDF : (2-D) GMAO Photosyn active diffuse radiation [W/m2]
! (2 ) PARDR : (2-D) GMAO Photosyn active direct radiation [W/m2]
! (3 ) TSKIN : (2-D) GMAO Surface ground/sea surface temp [K]
! (4 ) LAI : (2-D) GMAO Leaf area indices [unitless]
! (5 ) EVAP : (2-D) GMAO Evaporation [mm/day]
! (6 ) RADLWG : (2-D) GMAO Net upward LW rad at the ground [W/m2]
! (7 ) SNOW : (2-D) GMAO Snow cover (H2O equivalent) [mm H2O]
!
! NOTES:
!******************************************************************************
!
! References to F90 modules
USE DIAG_MOD, ONLY : AD67
USE FILE_MOD, ONLY : IOERROR, IU_XT
USE TIME_MOD, ONLY : SET_CT_XTRA, TIMESTAMP_STRING
USE TRANSFER_MOD, ONLY : TRANSFER_2D, TRANSFER_TO_1D
# include "CMN_SIZE" ! Size parameters
# include "CMN_DIAG" ! ND67
! Arguments
INTEGER, INTENT(IN) :: NYMD, NHMS
REAL*8, INTENT(OUT), OPTIONAL :: PARDR (IIPAR,JJPAR)
REAL*8, INTENT(OUT), OPTIONAL :: PARDF (IIPAR,JJPAR)
REAL*8, INTENT(OUT), OPTIONAL :: TSKIN (IIPAR,JJPAR)
REAL*8, INTENT(OUT), OPTIONAL :: LAI (IIPAR,JJPAR)
REAL*8, INTENT(OUT), OPTIONAL :: EVAP (IIPAR,JJPAR)
REAL*8, INTENT(OUT), OPTIONAL :: RADLWG(IIPAR,JJPAR)
REAL*8, INTENT(OUT), OPTIONAL :: SNOW (IIPAR,JJPAR)
! Local Variables
INTEGER :: I, IJLOOP, IOS, J
INTEGER :: N_XTRA, NFOUND
INTEGER :: XYMD, XHMS
REAL*4 :: Q2(IGLOB,JGLOB)
CHARACTER(LEN=8) :: NAME
CHARACTER(LEN=16) :: STAMP
!=================================================================
! READ_XTRA begins here!
!=================================================================
! Get the number of XTRA fields stored in this data set
N_XTRA = 7
! Zero the number of A-3 fields that we have found
NFOUND = 0
!=================================================================
! Read the XTRA fields from disk
!=================================================================
DO
! Read the XTRA field name
READ( IU_XT, IOSTAT=IOS ) NAME
! End of file test -- make sure we have found all fields
IF ( IOS < 0 ) THEN
CALL XTRA_CHECK( NFOUND, N_XTRA )
EXIT
ENDIF
! IOS > 0: True I/O error; stop w/ err msg
IF ( IOS > 0 ) CALL IOERROR( IOS, IU_XT, 'read_xtra:1' )
! CASE statement for XTRA fields
SELECT CASE ( TRIM( NAME ) )
!--------------------------------
! PARDR: Photosyn active direct radiation
!--------------------------------
CASE ( 'PARDR' )
READ( IU_XT, IOSTAT=IOS ) XYMD, XHMS, Q2
IF ( IOS /= 0 ) CALL IOERROR( IOS, IU_XT, 'read_xtra:2' )
IF ( CHECK_TIME( XYMD, XHMS, NYMD, NHMS ) ) THEN
IF ( PRESENT( PARDR ) ) CALL TRANSFER_2D( Q2, PARDR )
NFOUND = NFOUND + 1
ENDIF
!--------------------------------
! PARDF: Photosyn active diffuse radiation
!--------------------------------
CASE ( 'PARDF' )
READ( IU_XT, IOSTAT=IOS ) XYMD, XHMS, Q2
IF ( IOS /= 0 ) CALL IOERROR( IOS, IU_XT, 'read_xtra:3' )
IF ( CHECK_TIME( XYMD, XHMS, NYMD, NHMS ) ) THEN
IF ( PRESENT( PARDF ) ) CALL TRANSFER_2D( Q2, PARDF )
NFOUND = NFOUND + 1
ENDIF
!--------------------------------
! TSKIN, TGROUND: Surface ground/sea surface temp
!--------------------------------
CASE ( 'TSKIN', 'TGROUND' )
READ( IU_XT, IOSTAT=IOS ) XYMD, XHMS, Q2
IF ( IOS /= 0 ) CALL IOERROR( IOS, IU_XT, 'read_xtra:4' )
IF ( CHECK_TIME( XYMD, XHMS, NYMD, NHMS ) ) THEN
IF ( PRESENT( TSKIN ) ) CALL TRANSFER_2D( Q2, TSKIN )
NFOUND = NFOUND + 1
ENDIF
!--------------------------------
! EVAP: Evaporation
!--------------------------------
CASE ( 'EVAP' )
READ( IU_XT, IOSTAT=IOS ) XYMD, XHMS, Q2
IF ( IOS /= 0 ) CALL IOERROR( IOS, IU_XT, 'read_xtra:5' )
IF ( CHECK_TIME( XYMD, XHMS, NYMD, NHMS ) ) THEN
IF ( PRESENT( EVAP ) ) CALL TRANSFER_2D( Q2, EVAP )
NFOUND = NFOUND + 1
ENDIF
!--------------------------------
! LAI: Leaf area indices
!--------------------------------
CASE ( 'LAI' )
READ( IU_XT, IOSTAT=IOS ) XYMD, XHMS, Q2
IF ( IOS /= 0 ) CALL IOERROR( IOS, IU_XT, 'read_xtra:6' )
IF ( CHECK_TIME( XYMD, XHMS, NYMD, NHMS ) ) THEN
IF ( PRESENT( LAI ) ) CALL TRANSFER_2D( Q2, LAI )
NFOUND = NFOUND + 1
ENDIF
!--------------------------------
! SNOW: Snow cover (H2O equivalent)
!--------------------------------
CASE ( 'SNOW' )
READ( IU_XT, IOSTAT=IOS ) XYMD, XHMS, Q2
IF ( IOS /= 0 ) CALL IOERROR( IOS, IU_XT, 'read_xtra:7' )
IF ( CHECK_TIME( XYMD, XHMS, NYMD, NHMS ) ) THEN
IF ( PRESENT( SNOW ) ) CALL TRANSFER_2D( Q2, SNOW )
NFOUND = NFOUND + 1
ENDIF
!--------------------------------
! RADLWG: Net upward LW rad at the ground
!--------------------------------
CASE ( 'RADLWG' )
READ( IU_XT, IOSTAT=IOS ) XYMD, XHMS, Q2
IF ( IOS /= 0 ) CALL IOERROR( IOS, IU_XT, 'read_xtra:8' )
IF ( CHECK_TIME( XYMD, XHMS, NYMD, NHMS ) ) THEN
IF ( PRESENT( RADLWG ) )
& CALL TRANSFER_2D( Q2, RADLWG )
NFOUND = NFOUND + 1
ENDIF
END SELECT
!==============================================================
! If we have found all the fields for this time, then exit
! the loop. Otherwise, go on to the next iteration.
!==============================================================
IF ( CHECK_TIME( XYMD, XHMS, NYMD, NHMS ) .and.
& NFOUND == N_XTRA ) THEN
STAMP = TIMESTAMP_STRING( NYMD, NHMS )
WRITE( 6, 210 ) NFOUND, STAMP
210 FORMAT( ' - Found all ', i3,
& ' XTRA met fields for ', a )
EXIT
ENDIF
ENDDO
!=================================================================
! ND67 diagnostic: A-3 surface fields:
!
! (19) TSKIN : Ground/sea surface temp. [hPa]
! (20) PARDF : Photosyn active diffuse radiation [W/m2]
! (21) PARDR : Photosyn active direct radiation [W/m2]
!=================================================================
IF ( ND67 > 0 ) THEN
IF ( PRESENT( TSKIN ) ) AD67(:,:,19) = AD67(:,:,19) + TSKIN
IF ( PRESENT( PARDF ) ) AD67(:,:,20) = AD67(:,:,20) + PARDF
IF ( PRESENT( PARDR ) ) AD67(:,:,21) = AD67(:,:,21) + PARDR
ENDIF
! Increment # of times READ_XTRA is called
CALL SET_CT_XTRA( INCREMENT=.TRUE. )
! Return to calling program
END SUBROUTINE READ_XTRA
!------------------------------------------------------------------------------
SUBROUTINE XTRA_CHECK( NFOUND, N_XTRA )
!
!******************************************************************************
! Subroutine XTRA_CHECK prints an error message if not all of the XTRA met
! fields are found. The run is also terminated. (bmy, 10/27/00, 6/23/03)
!
! Arguments as Input:
! ============================================================================
! (1 ) NFOUND (INTEGER) : # of XTRA met fields read from disk
! (2 ) N_XTRA (INTEGER) : # of XTRA met fields expected to be read from disk
!
! NOTES
! (1 ) Adapted from DAO_CHECK from "dao_read_mod.f" (bmy, 6/23/03)
!******************************************************************************
!
! References to F90 modules
USE ERROR_MOD, ONLY : GEOS_CHEM_STOP
! Arguments
INTEGER, INTENT(IN) :: NFOUND, N_XTRA
!=================================================================
! XTRA_CHECK begins here!
!=================================================================
IF ( NFOUND /= N_XTRA ) THEN
WRITE( 6, '(a)' ) REPEAT( '=', 79 )
WRITE( 6, '(a)' ) 'ERROR -- not enough XTRA fields found!'
WRITE( 6, 120 ) N_XTRA, NFOUND
120 FORMAT( 'There are ', i2, ' fields but only ', i2 ,
& ' were found!' )
WRITE( 6, '(a)' ) '### STOP in XTRA_CHECK (xtra_read_mod.f)'
WRITE( 6, '(a)' ) REPEAT( '=', 79 )
! Deallocate arrays and stop (bmy, 10/15/02)
CALL GEOS_CHEM_STOP
ENDIF
! Return to calling program
END SUBROUTINE XTRA_CHECK
!------------------------------------------------------------------------------
END MODULE XTRA_READ_MOD