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!MNH_LIC Copyright 2013-2018 CNRS, Meteo-France and Universite Paul Sabatier
!MNH_LIC This is part of the Meso-NH software governed by the CeCILL-C licence
!MNH_LIC version 1. See LICENSE, CeCILL-C_V1-en.txt and CeCILL-C_V1-fr.txt
!MNH_LIC for details. version 1.
! #####################
MODULE MODI_LIMA_SNOW_DEPOSITION
! #####################
!
INTERFACE
SUBROUTINE LIMA_SNOW_DEPOSITION (LDCOMPUTE, &
PRHODREF, PSSI, PAI, PCJ, PLSFACT, &
PRST, PLBDS, &
P_RI_CNVI, P_CI_CNVI, &
P_TH_DEPS, P_RS_DEPS )
!
LOGICAL, DIMENSION(:),INTENT(IN) :: LDCOMPUTE
!
REAL, DIMENSION(:), INTENT(IN) :: PRHODREF! Reference density
REAL, DIMENSION(:), INTENT(IN) :: PSSI ! abs. pressure at time t
REAL, DIMENSION(:), INTENT(IN) :: PAI ! abs. pressure at time t
REAL, DIMENSION(:), INTENT(IN) :: PCJ ! abs. pressure at time t
REAL, DIMENSION(:), INTENT(IN) :: PLSFACT ! abs. pressure at time t
!
REAL, DIMENSION(:), INTENT(IN) :: PRST ! Snow/aggregate m.r. at t
!
REAL, DIMENSION(:), INTENT(IN) :: PLBDS ! Graupel m.r. at t
!
REAL, DIMENSION(:), INTENT(INOUT) :: P_RI_CNVI
REAL, DIMENSION(:), INTENT(INOUT) :: P_CI_CNVI
REAL, DIMENSION(:), INTENT(INOUT) :: P_TH_DEPS
REAL, DIMENSION(:), INTENT(INOUT) :: P_RS_DEPS
!
END SUBROUTINE LIMA_SNOW_DEPOSITION
END INTERFACE
END MODULE MODI_LIMA_SNOW_DEPOSITION
!
! ##########################################################################
SUBROUTINE LIMA_SNOW_DEPOSITION (LDCOMPUTE, &
PRHODREF, PSSI, PAI, PCJ, PLSFACT, &
PRST, PLBDS, &
P_RI_CNVI, P_CI_CNVI, &
P_TH_DEPS, P_RS_DEPS )
! ##########################################################################
!
!! PURPOSE
!! -------
!! The purpose of this routine is to compute the microphysical sources
!! for slow cold processes :
!! - conversion of snow to ice
!! - deposition of vapor on snow
!! - conversion of ice to snow (Harrington 1995)
!!
!!
!! AUTHOR
!! ------
!! J.-M. Cohard * Laboratoire d'Aerologie*
!! J.-P. Pinty * Laboratoire d'Aerologie*
!! S. Berthet * Laboratoire d'Aerologie*
!! B. Vié * CNRM *
!!
!! MODIFICATIONS
!! -------------
!! Original 15/03/2018
!!
!-------------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_PARAM_LIMA, ONLY : XRTMIN, XCTMIN, XALPHAI, XALPHAS, XNUI, XNUS
USE MODD_PARAM_LIMA_COLD, ONLY : XCXS, XCCS, &
XLBDAS_MAX, XDSCNVI_LIM, XLBDASCNVI_MAX, &
XC0DEPSI, XC1DEPSI, XR0DEPSI, XR1DEPSI, &
XSCFAC, X1DEPS, X0DEPS, XEX1DEPS, XEX0DEPS, &
XDICNVS_LIM, XLBDAICNVS_LIM, &
XC0DEPIS, XC1DEPIS, XR0DEPIS, XR1DEPIS, &
XCOLEXIS, XAGGS_CLARGE1, XAGGS_CLARGE2, &
XAGGS_RLARGE1, XAGGS_RLARGE2
!
IMPLICIT NONE
!
!* 0.1 Declarations of dummy arguments :
!
LOGICAL, DIMENSION(:),INTENT(IN) :: LDCOMPUTE
!
REAL, DIMENSION(:), INTENT(IN) :: PRHODREF! Reference density
REAL, DIMENSION(:), INTENT(IN) :: PSSI ! abs. pressure at time t
REAL, DIMENSION(:), INTENT(IN) :: PAI ! abs. pressure at time t
REAL, DIMENSION(:), INTENT(IN) :: PCJ ! abs. pressure at time t
REAL, DIMENSION(:), INTENT(IN) :: PLSFACT ! abs. pressure at time t
!
REAL, DIMENSION(:), INTENT(IN) :: PRST ! Snow/aggregate m.r. at t
!
REAL, DIMENSION(:), INTENT(IN) :: PLBDS ! Graupel m.r. at t
!
REAL, DIMENSION(:), INTENT(INOUT) :: P_RI_CNVI
REAL, DIMENSION(:), INTENT(INOUT) :: P_CI_CNVI
REAL, DIMENSION(:), INTENT(INOUT) :: P_TH_DEPS
REAL, DIMENSION(:), INTENT(INOUT) :: P_RS_DEPS
!
!* 0.2 Declarations of local variables :
!
LOGICAL, DIMENSION(SIZE(PRHODREF)) :: GMICRO ! Computations only where necessary
REAL, DIMENSION(SIZE(PRHODREF)) :: ZZW, ZZW2, ZZX ! Work array
!
!
!-------------------------------------------------------------------------------
!
P_RI_CNVI(:) = 0.
P_CI_CNVI(:) = 0.
P_TH_DEPS(:) = 0.
P_RS_DEPS(:) = 0.
!
! Physical limitations
!
!
! Looking for regions where computations are necessary
!
GMICRO(:) = LDCOMPUTE(:) .AND. PRST(:)>XRTMIN(5)
!
!
WHERE( GMICRO )
!
!* 2.1 Conversion of snow to r_i: RSCNVI
! ----------------------------------------
!
!
ZZW2(:) = 0.0
ZZW(:) = 0.0
WHERE ( PLBDS(:)<XLBDASCNVI_MAX .AND. (PRST(:)>XRTMIN(5)) &
.AND. (PSSI(:)<0.0) )
ZZW(:) = (PLBDS(:)*XDSCNVI_LIM)**(XALPHAS)
ZZX(:) = ( -PSSI(:)/PAI(:) ) * (XCCS*PLBDS(:)**XCXS) * (ZZW(:)**XNUS) * EXP(-ZZW(:))
!
ZZW(:) = ( XR0DEPSI+XR1DEPSI*PCJ(:) )*ZZX(:)
!
ZZW2(:) = ZZW(:)*( XC0DEPSI+XC1DEPSI*PCJ(:) )/( XR0DEPSI+XR1DEPSI*PCJ(:) )
END WHERE
!
P_RI_CNVI(:) = ZZW(:)
P_CI_CNVI(:) = ZZW2(:)
!
!
!* 2.2 Deposition of water vapor on r_s: RVDEPS
! -----------------------------------------------
!
!
ZZW(:) = 0.0
WHERE ( (PRST(:)>XRTMIN(5)) )
ZZW(:) = ( PSSI(:)/(PAI(:)) ) * &
( X0DEPS*PLBDS(:)**XEX0DEPS + X1DEPS*PCJ(:)*PLBDS(:)**XEX1DEPS )
ZZW(:) = ZZW(:)*(0.5+SIGN(0.5,ZZW(:))) - ABS(ZZW(:))*(0.5-SIGN(0.5,ZZW(:)))
END WHERE
!
P_RS_DEPS(:) = ZZW(:)
!!$ P_TH_DEPS(:) = P_RS_DEPS(:) * PLSFACT(:)
!
END WHERE
!
!
END SUBROUTINE LIMA_SNOW_DEPOSITION