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!MNH_LIC Copyright 1994-2014 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.
! ######spl
MODULE MODE_COMPUTE_FUNCTION_THERMO_MF
! ######################################
!
IMPLICIT NONE
CONTAINS
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SUBROUTINE COMPUTE_FUNCTION_THERMO_MF( KRR,KRRL,KRRI, &
PTH, PR, PEXN, PFRAC_ICE, PPABS, &
PT,PAMOIST,PATHETA )
! #################################################################
!
!!
!!**** *COMPUTE_FUNCTION_THERMO_MF* -
!!
!! PURPOSE
!! -------
!!
!!** METHOD
!! ------
!!
!!
!! EXTERNAL
!! --------
!!
!! IMPLICIT ARGUMENTS
!! ------------------
!!
!!
!! REFERENCE
!! ---------
!!
!! AUTHOR
!! ------
!!
!! JP Pinty *LA*
!!
!! MODIFICATIONS
!! -------------
!! Original 24/02/03
!! Externalisation of computations done in TURB and MF_TURB (Malardel and Pergaud, fev. 2007)
!! Optimization : V.Masson, 09/2010
!! S. Riette Sept 2011 : remove of unused PL?OCPEXN, use of received ice fraction
!!
!! --------------------------------------------------------------------------
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_CST
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
!
IMPLICIT NONE
!
!
!* 0.1 declarations of arguments
!
INTEGER, INTENT(IN) :: KRR ! number of moist var.
INTEGER, INTENT(IN) :: KRRL ! number of liquid water var.
INTEGER, INTENT(IN) :: KRRI ! number of ice water var.
REAL, DIMENSION(:,:), INTENT(IN) :: PTH ! theta
REAL, DIMENSION(:,:,:), INTENT(IN) :: PR ! water species
REAL, DIMENSION(:,:) , INTENT(IN) :: PPABS,PEXN ! pressure, Exner funct.
REAL, DIMENSION(:,:) , INTENT(IN) :: PFRAC_ICE ! ice fraction
REAL, DIMENSION(:,:), INTENT(OUT) :: PT ! temperature
REAL, DIMENSION(:,:), INTENT(OUT) :: PAMOIST,PATHETA
!
!-------------------------------------------------------------------------------
!
!* 0.2 Declarations of local variables
!
REAL :: ZEPS ! XMV / XMD
REAL, DIMENSION(SIZE(PTH,1),SIZE(PTH,2)) :: &
ZCP, & ! Cp
ZE, & ! Saturation mixing ratio
ZDEDT, & ! Saturation mixing ratio derivative
ZAMOIST_W, & ! Coefficients for s = f (Thetal,Rnp)
ZATHETA_W, & !
ZAMOIST_I, & !
ZATHETA_I, & !
ZLVOCP,ZLSOCP
INTEGER :: JRR
REAL(KIND=JPRB) :: ZHOOK_HANDLE
!
!-------------------------------------------------------------------------------
!
IF (LHOOK) CALL DR_HOOK('COMPUTE_FUNCTION_THERMO_MF',0,ZHOOK_HANDLE)
!
ZEPS = XMV / XMD
!
!* Cph
!
ZCP=XCPD
IF (KRR > 0) ZCP(:,:) = ZCP(:,:) + XCPV * PR(:,:,1)
DO JRR = 2,1+KRRL ! loop on the liquid components
ZCP(:,:) = ZCP(:,:) + XCL * PR(:,:,JRR)
END DO
DO JRR = 2+KRRL,1+KRRL+KRRI ! loop on the solid components
ZCP(:,:) = ZCP(:,:) + XCI * PR(:,:,JRR)
END DO
!* Temperature
!
PT(:,:) = PTH(:,:) * PEXN(:,:)
!
!
!! Liquid water
!
IF ( KRRL >= 1 ) THEN
!
!* Lv/Cph
!
ZLVOCP(:,:) = (XLVTT + (XCPV-XCL) * (PT(:,:)-XTT) ) / ZCP(:,:)
!
!* Saturation vapor pressure with respect to water
!
ZE(:,:) = EXP( XALPW - XBETAW/PT(:,:) - XGAMW*ALOG( PT(:,:) ) )
!
!* Saturation mixing ratio with respect to water
!
ZE(:,:) = ZE(:,:) * ZEPS / ( PPABS(:,:) - ZE(:,:) )
!
!* Compute the saturation mixing ratio derivative (rvs')
!
ZDEDT(:,:) = ( XBETAW / PT(:,:) - XGAMW ) / PT(:,:) &
* ZE(:,:) * ( 1. + ZE(:,:) / ZEPS )
!
!* Compute Amoist
!
ZAMOIST_W(:,:)= 0.5 / ( 1.0 + ZDEDT(:,:) * ZLVOCP(:,:) )
!
!* Compute Atheta
!
ZATHETA_W(:,:)= ZAMOIST_W(:,:) * PEXN(:,:) * &
( ( ZE(:,:) - PR(:,:,1) ) * ZLVOCP(:,:) / &
( 1. + ZDEDT(:,:) * ZLVOCP(:,:) ) * &
( &
ZE(:,:) * (1. + ZE(:,:)/ZEPS) &
* ( -2.*XBETAW/PT(:,:) + XGAMW ) / PT(:,:)**2 &
+ZDEDT(:,:) * (1. + 2. * ZE(:,:)/ZEPS) &
* ( XBETAW/PT(:,:) - XGAMW ) / PT(:,:) &
) &
- ZDEDT(:,:) &
)
!
!! Solid water
!
IF ( KRRI >= 1 ) THEN
!
!* Ls/Cph
!
ZLSOCP(:,:) = (XLSTT + (XCPV-XCI) * (PT(:,:)-XTT) ) / ZCP(:,:)
!
!* Saturation vapor pressure with respect to ice
!
ZE(:,:) = EXP( XALPI - XBETAI/PT(:,:) - XGAMI*ALOG( PT(:,:) ) )
!
!* Saturation mixing ratio with respect to ice
!
ZE(:,:) = ZE(:,:) * ZEPS / ( PPABS(:,:) - ZE(:,:) )
!
!* Compute the saturation mixing ratio derivative (rvs')
!
ZDEDT(:,:) = ( XBETAI / PT(:,:) - XGAMI ) / PT(:,:) &
* ZE(:,:) * ( 1. + ZE(:,:) / ZEPS )
!
!* Compute Amoist
!
ZAMOIST_I(:,:)= 0.5 / ( 1.0 + ZDEDT(:,:) * ZLSOCP(:,:) )
!
!* Compute Atheta
!
ZATHETA_I(:,:)= ZAMOIST_I(:,:) * PEXN(:,:) * &
( ( ZE(:,:) - PR(:,:,1) ) * ZLSOCP(:,:) / &
( 1. + ZDEDT(:,:) * ZLSOCP(:,:) ) * &
( &
ZE(:,:) * (1. + ZE(:,:)/ZEPS) &
* ( -2.*XBETAI/PT(:,:) + XGAMI ) / PT(:,:)**2 &
+ZDEDT(:,:) * (1. + 2. * ZE(:,:)/ZEPS) &
* ( XBETAI/PT(:,:) - XGAMI ) / PT(:,:) &
) &
- ZDEDT(:,:) &
)
ELSE
ZAMOIST_I(:,:)=0.
ZATHETA_I(:,:)=0.
ENDIF
PAMOIST(:,:) = (1.0-PFRAC_ICE(:,:))*ZAMOIST_W(:,:) &
+PFRAC_ICE(:,:) *ZAMOIST_I(:,:)
PATHETA(:,:) = (1.0-PFRAC_ICE(:,:))*ZATHETA_W(:,:) &
+PFRAC_ICE(:,:) *ZATHETA_I(:,:)
!
ELSE
PAMOIST(:,:) = 0.
PATHETA(:,:) = 0.
ENDIF
IF (LHOOK) CALL DR_HOOK('COMPUTE_FUNCTION_THERMO_MF',1,ZHOOK_HANDLE)
END SUBROUTINE COMPUTE_FUNCTION_THERMO_MF
!
END MODULE MODE_COMPUTE_FUNCTION_THERMO_MF