prep_ver_flake.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 prep_ver_flake (F)
!     #################################################################################
!
!!****  *PREP_VER_FLAKE* - change in FLAKE var. due to altitude change
!!
!!    PURPOSE
!!    -------
!
!!**  METHOD
!!    ------
!!
!!    REFERENCE
!!    ---------
!!      
!!
!!    AUTHOR
!!    ------
!!     S. Malardel
!!
!!    MODIFICATIONS
!!    -------------
!!      Original    01/2004
!!      09.2010, E. Kourzeneva: Make not possible to shift the lake profile
!!                              in vertical, just to shift the lake surface 
!!                              temperature and then to set the default lake profile
!!------------------------------------------------------------------
!

!
!
!
USE modd_flake_n, ONLY : flake_t
!
USE modd_prep,       ONLY : xzs_ls, xt_clim_grad
!
USE yomhook   ,ONLY : lhook,   dr_hook
USE parkind1  ,ONLY : jprb
!
IMPLICIT NONE
!
!*      0.1    declarations of arguments
!
!*      0.2    declarations of local variables
!
!
TYPE(flake_t), INTENT(INOUT) :: f
!
REAL, DIMENSION(:), ALLOCATABLE :: zts_ls ! large-scale water temperature
REAL(KIND=JPRB) :: zhook_handle
!
!-------------------------------------------------------------------------------------
IF (lhook) CALL dr_hook('PREP_VER_FLAKE',0,zhook_handle)

!       1. Check if the shift is needed at all
IF((abs(maxval(f%XZS)) < 0.001).AND.(abs(minval(f%XZS))< 0.001)) &
        CALL dr_hook('PREP_VER_FLAKE',1,zhook_handle)
IF((abs(maxval(f%XZS)) < 0.001).AND.(abs(minval(f%XZS))< 0.001)) RETURN
!
!*      2.  Shift surface temperature of water
!
ALLOCATE(zts_ls(SIZE(f%XTS)))
!
zts_ls = f%XTS
!
f%XTS = zts_ls  + xt_clim_grad  * (f%XZS - xzs_ls)
!
DEALLOCATE(zts_ls)
!
IF (lhook) CALL dr_hook('PREP_VER_FLAKE',1,zhook_handle)
!-------------------------------------------------------------------------------------
!
END SUBROUTINE prep_ver_flake