modd_canopy_turb.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.
!     ################
      MODULE modd_canopy_turb
!     ################
!
!!****  *MODD_CANOPY_TURB - declaration of surface parameters for urban canopy
!!
!!    PURPOSE
!!    -------
!     Declaration of surface parameters
!
!!
!!**  IMPLICIT ARGUMENTS
!!    ------------------
!!      None 
!!
!!    REFERENCE
!!    ---------
!!    AUTHOR
!!    ------
!!      V. Masson   *Meteo France*
!!
!!    MODIFICATIONS
!!    -------------
!!      Original       07/2006
!
!*       0.   DECLARATIONS
!             ------------
!
IMPLICIT NONE
!
!---------------------------------------------------------------------------
REAL,SAVE :: xtkemin   ! mimimum value for the TKE
REAL,SAVE :: xcep      ! Constant for wind pressure-correlations
REAL,SAVE :: xced      ! constant into the dissipation term of the TKE eq.
REAL,SAVE :: xalpsbl   ! constant linking TKE and friction velocity in the SBL
REAL,SAVE :: xa0       ! Constant a0 for wind pressure-correlations
REAL,SAVE :: xctp      ! Constant for temperature and vapor pressure-correlations
!---------------------------------------------------------------------------
REAL,SAVE :: xcmfs     ! constant for the momentum flux due to shear   
!
REAL,SAVE :: xcshf        ! constant for the sensible heat flux 
!
REAL,SAVE :: xasbl     ! constant used to define mixing length in the SBL
!
!---------------------------------------------------------------------------
!
END MODULE modd_canopy_turb