read_nam_pgd_orog_filter.F90

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!SFX_LIC Copyright 1994-2014 CNRS, Meteo-France and Universite Paul Sabatier
!SFX_LIC This is part of the SURFEX software governed by the CeCILL-C licence
!SFX_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt  
!SFX_LIC for details. version 1.
!     #########
      SUBROUTINE read_nam_pgd_orog_filter(HPROGRAM, KZSFILTER)  
!     ##############################################################
!
!!**** *READ_NAM_PGD_OROG_FILTER* reads namelist for Orography
!!
!!    PURPOSE
!!    -------
!!
!!    METHOD
!!    ------
!!   
!
!!    EXTERNAL
!!    --------
!!
!!    IMPLICIT ARGUMENTS
!!    ------------------
!!
!!    REFERENCE
!!    ---------
!!
!!    AUTHOR
!!    ------
!!
!!    B. Decharme        Meteo-France
!!
!!    MODIFICATION
!!    ------------
!!
!!    Original    02/2010
!----------------------------------------------------------------------------
!
!*    0.     DECLARATION
!            -----------
!
USE modd_surf_par,       ONLY : xundef
!
USE modi_get_luout
USE modi_open_namelist
USE modi_close_namelist
!
USE mode_pos_surf
!
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
IMPLICIT NONE
!
!*    0.1    Declaration of arguments
!            ------------------------
!                                   
 CHARACTER(LEN=6),    INTENT(IN)    :: hprogram    ! Type of program
INTEGER,             INTENT(OUT)   :: kzsfilter   ! number of orographic spatial filter iterations                     
!
!*    0.2    Declaration of local variables
!            ------------------------------
!
INTEGER                           :: iluout    ! output listing logical unit
INTEGER                           :: ilunam    ! namelist file logical unit
LOGICAL                           :: gfound    ! flag when namelist is present
!
!*    0.3    Declaration of namelists
!            ------------------------
!
INTEGER                  :: nzsfilter   ! number of orographic spatial filter iterations
REAL(KIND=JPRB) :: zhook_handle
!
namelist/nam_zs_filter/nzsfilter
!
!-------------------------------------------------------------------------------
!
!*    1.      Initializations of defaults
!             ---------------------------
!
IF (lhook) CALL dr_hook('READ_NAM_PGD_OROG_FILTER',0,zhook_handle)
nzsfilter      = 1
!
 CALL get_luout(hprogram,iluout)
!
!-------------------------------------------------------------------------------
!
!*    2.      Reading of namelist
!             -------------------
!
 CALL open_namelist(hprogram,ilunam)
!
 CALL posnam(ilunam,'NAM_ZS_FILTER',gfound,iluout)
IF (gfound) READ(unit=ilunam,nml=nam_zs_filter)
!
 CALL close_namelist(hprogram,ilunam)
!
!-------------------------------------------------------------------------------
!
kzsfilter = nzsfilter ! number of orographic spatial filter iterations
IF (lhook) CALL dr_hook('READ_NAM_PGD_OROG_FILTER',1,zhook_handle)
!
!-------------------------------------------------------------------------------
!
END SUBROUTINE read_nam_pgd_orog_filter