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!MNH_LIC Copyright 1994-2021 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 MODE_ICE4_FAST_RH
IMPLICIT NONE
CONTAINS
SUBROUTINE ICE4_FAST_RH(KPROMA,KSIZE, LDSOFT, PCOMPUTE, PWETG, &
&PRHODREF, PLVFACT, PLSFACT, PPRES, &
&PDV, PKA, PCJ, &
&PLBDAS, PLBDAG, PLBDAR, PLBDAH, &
&PT, PRVT, PRCT, PRRT, PRIT, PRST, PRGT, PRHT, &
&PRCWETH, PRIWETH, PRSWETH, PRGWETH, PRRWETH, &
&PRCDRYH, PRIDRYH, PRSDRYH, PRRDRYH, PRGDRYH, PRDRYHG, PRHMLTR, &
&PRH_TEND, &
&PA_TH, PA_RC, PA_RR, PA_RI, PA_RS, PA_RG, PA_RH)
!!
!!** PURPOSE
!! -------
!! Computes the fast rh process
!!
!! AUTHOR
!! ------
!! S. Riette from the splitting of rain_ice source code (nov. 2014)
!!
!! MODIFICATIONS
!! -------------
!!
! P. Wautelet 26/04/2019: replace non-standard FLOAT function by REAL function
! P. Wautelet 29/05/2019: remove PACK/UNPACK intrinsics (to get more performance and better OpenACC support)
!! R. El Khatib 24-Aug-2021 Optimizations
!
!
!* 0. DECLARATIONS
! ------------
!
USE MODD_CST, ONLY: XALPI, XALPW, XBETAI, XBETAW, XGAMW, XCI, XCL, XCPV, XESTT, XGAMI, XLMTT, &
& XLVTT, XMD, XMV, XRV, XTT, XEPSILO
USE MODD_PARAM_ICE, ONLY: LCONVHG, LEVLIMIT, LNULLWETH, LWETHPOST
USE MODD_RAIN_ICE_DESCR, ONLY: XBG, XBS, XCEXVT, XCXG, XCXH, XCXS, XDH, XRTMIN
USE MODD_RAIN_ICE_PARAM, ONLY: NWETLBDAG, NWETLBDAH, NWETLBDAR, NWETLBDAS, X0DEPH, X1DEPH, XCOLEXGH, XCOLEXIH, &
& XCOLGH, XCOLIH, XCOLEXSH, XCOLSH, XEX0DEPH, XEX1DEPH, XFGWETH, XFRWETH, &
& XFSWETH, XFWETH, XKER_GWETH, XKER_RWETH, XKER_SWETH, XLBGWETH1, XLBGWETH2, &
& XLBGWETH3, XLBRWETH1, XLBRWETH2, XLBRWETH3, XLBSWETH1, XLBSWETH2, XLBSWETH3, &
& XWETINTP1G, XWETINTP1H, XWETINTP1R, XWETINTP1S, XWETINTP2G, XWETINTP2H, &
& XWETINTP2R, XWETINTP2S
!
USE PARKIND1, ONLY : JPRB
USE YOMHOOK , ONLY : LHOOK, DR_HOOK
!
IMPLICIT NONE
!
!* 0.1 Declarations of dummy arguments :
!
INTEGER, INTENT(IN) :: KPROMA,KSIZE
LOGICAL, INTENT(IN) :: LDSOFT
REAL, DIMENSION(KSIZE), INTENT(IN) :: PCOMPUTE
REAL, DIMENSION(KSIZE), INTENT(IN) :: PWETG ! 1. where graupel grows in wet mode, 0. elsewhere
REAL, DIMENSION(KSIZE), INTENT(IN) :: PRHODREF ! Reference density
REAL, DIMENSION(KSIZE), INTENT(IN) :: PLVFACT
REAL, DIMENSION(KSIZE), INTENT(IN) :: PLSFACT
REAL, DIMENSION(KSIZE), INTENT(IN) :: PPRES ! absolute pressure at t
REAL, DIMENSION(KSIZE), INTENT(IN) :: PDV ! Diffusivity of water vapor in the air
REAL, DIMENSION(KSIZE), INTENT(IN) :: PKA ! Thermal conductivity of the air
REAL, DIMENSION(KSIZE), INTENT(IN) :: PCJ ! Function to compute the ventilation coefficient
REAL, DIMENSION(KSIZE), INTENT(IN) :: PLBDAS ! Slope parameter of the aggregate distribution
REAL, DIMENSION(KSIZE), INTENT(IN) :: PLBDAG ! Slope parameter of the graupel distribution
REAL, DIMENSION(KSIZE), INTENT(IN) :: PLBDAR ! Slope parameter of the rain distribution
REAL, DIMENSION(KSIZE), INTENT(IN) :: PLBDAH ! Slope parameter of the hail distribution
REAL, DIMENSION(KSIZE), INTENT(IN) :: PT ! Temperature
REAL, DIMENSION(KSIZE), INTENT(IN) :: PRVT ! Water vapor m.r. at t
REAL, DIMENSION(KSIZE), INTENT(IN) :: PRCT ! Cloud water m.r. at t
REAL, DIMENSION(KSIZE), INTENT(IN) :: PRRT ! Rain m.r. at t
REAL, DIMENSION(KSIZE), INTENT(IN) :: PRIT ! Pristine ice m.r. at t
REAL, DIMENSION(KSIZE), INTENT(IN) :: PRST ! Snow/aggregate m.r. at t
REAL, DIMENSION(KSIZE), INTENT(IN) :: PRGT ! Graupel m.r. at t
REAL, DIMENSION(KSIZE), INTENT(IN) :: PRHT ! Hail m.r. at t
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRCWETH ! Dry growth of hailstone
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRIWETH ! Dry growth of hailstone
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRSWETH ! Dry growth of hailstone
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRGWETH ! Dry growth of hailstone
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRRWETH ! Dry growth of hailstone
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRCDRYH ! Wet growth of hailstone
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRIDRYH ! Wet growth of hailstone
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRSDRYH ! Wet growth of hailstone
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRRDRYH ! Wet growth of hailstone
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRGDRYH ! Wet growth of hailstone
REAL, DIMENSION(KSIZE), INTENT(OUT) :: PRDRYHG ! Conversion of hailstone into graupel
REAL, DIMENSION(KSIZE), INTENT(INOUT) :: PRHMLTR ! Melting of the hailstones
REAL, DIMENSION(KPROMA, 10), INTENT(INOUT) :: PRH_TEND ! Individual tendencies
REAL, DIMENSION(KSIZE), INTENT(INOUT) :: PA_TH
REAL, DIMENSION(KSIZE), INTENT(INOUT) :: PA_RC
REAL, DIMENSION(KSIZE), INTENT(INOUT) :: PA_RR
REAL, DIMENSION(KSIZE), INTENT(INOUT) :: PA_RI
REAL, DIMENSION(KSIZE), INTENT(INOUT) :: PA_RS
REAL, DIMENSION(KSIZE), INTENT(INOUT) :: PA_RG
REAL, DIMENSION(KSIZE), INTENT(INOUT) :: PA_RH
!
!* 0.2 declaration of local variables
!
INTEGER, PARAMETER :: IRCWETH=1, IRRWETH=2, IRIDRYH=3, IRIWETH=4, IRSDRYH=5, IRSWETH=6, IRGDRYH=7, IRGWETH=8, &
& IFREEZ1=9, IFREEZ2=10
LOGICAL, DIMENSION(KSIZE) :: GWET
REAL, DIMENSION(KSIZE) :: ZHAIL, ZWET, ZMASK, ZWETH, ZDRYH
INTEGER :: IHAIL, IGWET
INTEGER, DIMENSION(KSIZE) :: I1
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REAL, DIMENSION(KSIZE) :: ZVEC1, ZVEC2, ZVEC3
INTEGER, DIMENSION(KSIZE) :: IVEC1, IVEC2
REAL, DIMENSION(KSIZE) :: ZZW, &
ZRDRYH_INIT, ZRWETH_INIT, &
ZRDRYHG
INTEGER :: JJ, JL
REAL(KIND=JPRB) :: ZHOOK_HANDLE
!
!-------------------------------------------------------------------------------
IF (LHOOK) CALL DR_HOOK('ICE4_FAST_RH',0,ZHOOK_HANDLE)
!
!
!* 7.2 compute the Wet and Dry growth of hail
!
DO JL=1, KSIZE
ZMASK(JL)=MAX(0., -SIGN(1., XRTMIN(7)-PRHT(JL))) * & ! WHERE(PRHT(:)>XRTMIN(7))
&MAX(0., -SIGN(1., XRTMIN(2)-PRCT(JL))) * & ! WHERE(PRCT(:)>XRTMIN(2))
&PCOMPUTE(JL)
ENDDO
IF(LDSOFT) THEN
DO JL=1, KSIZE
PRH_TEND(JL, IRCWETH)=ZMASK(JL) * PRH_TEND(JL, IRCWETH)
ENDDO
ELSE
PRH_TEND(:, IRCWETH)=0.
WHERE(ZMASK(1:KSIZE)==1.)
ZZW(1:KSIZE) = PLBDAH(1:KSIZE)**(XCXH-XDH-2.0) * PRHODREF(1:KSIZE)**(-XCEXVT)
PRH_TEND(1:KSIZE, IRCWETH)=XFWETH * PRCT(1:KSIZE) * ZZW(1:KSIZE) ! RCWETH
END WHERE
ENDIF
DO JL=1, KSIZE
ZMASK(JL)=MAX(0., -SIGN(1., XRTMIN(7)-PRHT(JL))) * & ! WHERE(PRHT(:)>XRTMIN(7))
&MAX(0., -SIGN(1., XRTMIN(4)-PRIT(JL))) * & ! WHERE(PRIT(:)>XRTMIN(4))
&PCOMPUTE(JL)
ENDDO
IF(LDSOFT) THEN
DO JL=1, KSIZE
PRH_TEND(JL, IRIWETH)=ZMASK(JL) * PRH_TEND(JL, IRIWETH)
PRH_TEND(JL, IRIDRYH)=ZMASK(JL) * PRH_TEND(JL, IRIDRYH)
ENDDO
ELSE
PRH_TEND(:, IRIWETH)=0.
PRH_TEND(:, IRIDRYH)=0.
WHERE(ZMASK(1:KSIZE)==1.)
ZZW(1:KSIZE) = PLBDAH(1:KSIZE)**(XCXH-XDH-2.0) * PRHODREF(1:KSIZE)**(-XCEXVT)
PRH_TEND(1:KSIZE, IRIWETH)=XFWETH * PRIT(1:KSIZE) * ZZW(1:KSIZE) ! RIWETH
PRH_TEND(1:KSIZE, IRIDRYH)=PRH_TEND(1:KSIZE, IRIWETH)*(XCOLIH*EXP(XCOLEXIH*(PT(1:KSIZE)-XTT))) ! RIDRYH
END WHERE
ENDIF
!
!* 7.2.1 accretion of aggregates on the hailstones
!
IGWET = 0
DO JJ = 1, KSIZE
ZWET(JJ) = MAX(0., -SIGN(1., XRTMIN(7)-PRHT(JJ))) * & ! WHERE(PRHT(:)>XRTMIN(7))
&MAX(0., -SIGN(1., XRTMIN(5)-PRST(JJ))) * & ! WHERE(PRST(:)>XRTMIN(5))
&PCOMPUTE(JJ)
IF (ZWET(JJ)>0) THEN
IGWET = IGWET + 1
I1(IGWET) = JJ
GWET(JJ) = .TRUE.
ELSE
GWET(JJ) = .FALSE.
ENDIF
ENDDO
IF(LDSOFT) THEN
DO JL=1, KSIZE
PRH_TEND(JL, IRSWETH)=ZWET(JL) * PRH_TEND(JL, IRSWETH)
PRH_TEND(JL, IRSDRYH)=ZWET(JL) * PRH_TEND(JL, IRSDRYH)
ENDDO
ELSE
PRH_TEND(:, IRSWETH)=0.
PRH_TEND(:, IRSDRYH)=0.
IF(IGWET>0)THEN
!
!* 7.2.3 select the (PLBDAH,PLBDAS) couplet
!
DO JJ = 1, IGWET
ZVEC1(JJ) = PLBDAH(I1(JJ))
ZVEC2(JJ) = PLBDAS(I1(JJ))
ENDDO
!
!* 7.2.4 find the next lower indice for the PLBDAG and for the PLBDAS
! in the geometrical set of (Lbda_h,Lbda_s) couplet use to
! tabulate the SWETH-kernel
!
ZVEC1(1:IGWET) = MAX( 1.00001, MIN( REAL(NWETLBDAH)-0.00001, &
XWETINTP1H * LOG( ZVEC1(1:IGWET) ) + XWETINTP2H ) )
IVEC1(1:IGWET) = INT( ZVEC1(1:IGWET) )
ZVEC1(1:IGWET) = ZVEC1(1:IGWET) - REAL( IVEC1(1:IGWET) )
!
ZVEC2(1:IGWET) = MAX( 1.00001, MIN( REAL(NWETLBDAS)-0.00001, &
XWETINTP1S * LOG( ZVEC2(1:IGWET) ) + XWETINTP2S ) )
IVEC2(1:IGWET) = INT( ZVEC2(1:IGWET) )
ZVEC2(1:IGWET) = ZVEC2(1:IGWET) - REAL( IVEC2(1:IGWET) )
!
!* 7.2.5 perform the bilinear interpolation of the normalized
! SWETH-kernel
!
DO JJ = 1,IGWET
ZVEC3(JJ) = ( XKER_SWETH(IVEC1(JJ)+1,IVEC2(JJ)+1)* ZVEC2(JJ) &
- XKER_SWETH(IVEC1(JJ)+1,IVEC2(JJ) )*(ZVEC2(JJ) - 1.0) ) &
* ZVEC1(JJ) &
- ( XKER_SWETH(IVEC1(JJ) ,IVEC2(JJ)+1)* ZVEC2(JJ) &
- XKER_SWETH(IVEC1(JJ) ,IVEC2(JJ) )*(ZVEC2(JJ) - 1.0) ) &
* (ZVEC1(JJ) - 1.0)
END DO
ZZW(:) = 0.
DO JJ = 1, IGWET
ZZW(I1(JJ)) = ZVEC3(JJ)
END DO
!
WHERE(GWET(1:KSIZE))
PRH_TEND(1:KSIZE, IRSWETH)=XFSWETH*ZZW(1:KSIZE) & ! RSWETH
*( PLBDAS(1:KSIZE)**(XCXS-XBS) )*( PLBDAH(1:KSIZE)**XCXH ) &
*( PRHODREF(1:KSIZE)**(-XCEXVT-1.) ) &
*( XLBSWETH1/( PLBDAH(1:KSIZE)**2 ) + &
XLBSWETH2/( PLBDAH(1:KSIZE) * PLBDAS(1:KSIZE) ) + &
XLBSWETH3/( PLBDAS(1:KSIZE)**2) )
PRH_TEND(1:KSIZE, IRSDRYH)=PRH_TEND(1:KSIZE, IRSWETH)*(XCOLSH*EXP(XCOLEXSH*(PT(1:KSIZE)-XTT)))
END WHERE
ENDIF
ENDIF
!
!* 7.2.6 accretion of graupeln on the hailstones
!
IGWET = 0
DO JJ = 1, KSIZE
ZWET(JJ)=MAX(0., -SIGN(1., XRTMIN(7)-PRHT(JJ))) * & ! WHERE(PRHT(:)>XRTMIN(7))
&MAX(0., -SIGN(1., XRTMIN(6)-PRGT(JJ))) * & ! WHERE(PRGT(:)>XRTMIN(6))
&PCOMPUTE(JJ)
IF (ZWET(JJ)>0) THEN
IGWET = IGWET + 1
I1(IGWET) = JJ
GWET(JJ) = .TRUE.
ELSE
GWET(JJ) = .FALSE.
END IF
ENDDO
IF(LDSOFT) THEN
DO JL=1, KSIZE
PRH_TEND(JL, IRGWETH)=ZWET(JL) * PRH_TEND(JL, IRGWETH)
PRH_TEND(JL, IRGDRYH)=ZWET(JL) * PRH_TEND(JL, IRGDRYH)
ENDDO
ELSE
PRH_TEND(:, IRGWETH)=0.
PRH_TEND(:, IRGDRYH)=0.
IF(IGWET>0)THEN
!
!* 7.2.8 select the (PLBDAH,PLBDAG) couplet
!
DO JJ = 1, IGWET
ZVEC1(JJ) = PLBDAH(I1(JJ))
ZVEC2(JJ) = PLBDAG(I1(JJ))
END DO
!
!* 7.2.9 find the next lower indice for the PLBDAH and for the PLBDAG
! in the geometrical set of (Lbda_h,Lbda_g) couplet use to
! tabulate the GWETH-kernel
!
ZVEC1(1:IGWET) = MAX( 1.00001, MIN( REAL(NWETLBDAG)-0.00001, &
XWETINTP1H * LOG( ZVEC1(1:IGWET) ) + XWETINTP2H ) )
IVEC1(1:IGWET) = INT( ZVEC1(1:IGWET) )
ZVEC1(1:IGWET) = ZVEC1(1:IGWET) - REAL( IVEC1(1:IGWET) )
!
ZVEC2(1:IGWET) = MAX( 1.00001, MIN( REAL(NWETLBDAG)-0.00001, &
XWETINTP1G * LOG( ZVEC2(1:IGWET) ) + XWETINTP2G ) )
IVEC2(1:IGWET) = INT( ZVEC2(1:IGWET) )
ZVEC2(1:IGWET) = ZVEC2(1:IGWET) - REAL( IVEC2(1:IGWET) )
!
!* 7.2.10 perform the bilinear interpolation of the normalized
! GWETH-kernel
!
DO JJ = 1,IGWET
ZVEC3(JJ) = ( XKER_GWETH(IVEC1(JJ)+1,IVEC2(JJ)+1)* ZVEC2(JJ) &
- XKER_GWETH(IVEC1(JJ)+1,IVEC2(JJ) )*(ZVEC2(JJ) - 1.0) ) &
* ZVEC1(JJ) &
- ( XKER_GWETH(IVEC1(JJ) ,IVEC2(JJ)+1)* ZVEC2(JJ) &
- XKER_GWETH(IVEC1(JJ) ,IVEC2(JJ) )*(ZVEC2(JJ) - 1.0) ) &
* (ZVEC1(JJ) - 1.0)
END DO
ZZW(:) = 0.
DO JJ = 1, IGWET
ZZW(I1(JJ)) = ZVEC3(JJ)
END DO
!
WHERE(GWET(1:KSIZE))
PRH_TEND(1:KSIZE, IRGWETH)=XFGWETH*ZZW(1:KSIZE) & ! RGWETH
*( PLBDAG(1:KSIZE)**(XCXG-XBG) )*( PLBDAH(1:KSIZE)**XCXH ) &
*( PRHODREF(1:KSIZE)**(-XCEXVT-1.) ) &
*( XLBGWETH1/( PLBDAH(1:KSIZE)**2 ) + &
XLBGWETH2/( PLBDAH(1:KSIZE) * PLBDAG(1:KSIZE) ) + &
XLBGWETH3/( PLBDAG(1:KSIZE)**2) )
PRH_TEND(1:KSIZE, IRGDRYH)=PRH_TEND(1:KSIZE, IRGWETH)
END WHERE
!When graupel grows in wet mode, graupel is wet (!) and collection efficiency must remain the same
WHERE(GWET(1:KSIZE) .AND. .NOT. PWETG(1:KSIZE)==1.)
PRH_TEND(1:KSIZE, IRGDRYH)=PRH_TEND(1:KSIZE, IRGDRYH)*(XCOLGH*EXP(XCOLEXGH*(PT(1:KSIZE)-XTT)))
END WHERE
END IF
ENDIF
!
!* 7.2.11 accretion of raindrops on the hailstones
!
IGWET = 0
DO JJ = 1, KSIZE
ZWET(JJ)=MAX(0., -SIGN(1., XRTMIN(7)-PRHT(JJ))) * & ! WHERE(PRHT(:)>XRTMIN(7))
&MAX(0., -SIGN(1., XRTMIN(3)-PRRT(JJ))) * & ! WHERE(PRRT(:)>XRTMIN(3))
&PCOMPUTE(JJ)
IF (ZWET(JJ)>0) THEN
IGWET = IGWET + 1
I1(IGWET) = JJ
GWET(JJ) = .TRUE.
ELSE
GWET(JJ) = .FALSE.
ENDIF
ENDDO
IF(LDSOFT) THEN
DO JL=1, KSIZE
PRH_TEND(JL, IRRWETH)=ZWET(JL) * PRH_TEND(JL, IRRWETH)
ENDDO
ELSE
PRH_TEND(:, IRRWETH)=0.
IF(IGWET>0)THEN
!
!* 7.2.12 select the (PLBDAH,PLBDAR) couplet
!
DO JJ = 1, IGWET
ZVEC1(JJ) = PLBDAH(I1(JJ))
ZVEC2(JJ) = PLBDAR(I1(JJ))
ENDDO
!
!* 7.2.13 find the next lower indice for the PLBDAH and for the PLBDAR
! in the geometrical set of (Lbda_h,Lbda_r) couplet use to
! tabulate the RWETH-kernel
!
ZVEC1(1:IGWET)=MAX(1.00001, MIN( REAL(NWETLBDAH)-0.00001, &
XWETINTP1H*LOG(ZVEC1(1:IGWET))+XWETINTP2H))
IVEC1(1:IGWET)=INT(ZVEC1(1:IGWET))
ZVEC1(1:IGWET)=ZVEC1(1:IGWET)-REAL(IVEC1(1:IGWET))
!
ZVEC2(1:IGWET)=MAX(1.00001, MIN( REAL(NWETLBDAR)-0.00001, &
XWETINTP1R*LOG(ZVEC2(1:IGWET))+XWETINTP2R))
IVEC2(1:IGWET)=INT(ZVEC2(1:IGWET))
ZVEC2(1:IGWET)=ZVEC2(1:IGWET)-REAL(IVEC2(1:IGWET))
!
!* 7.2.14 perform the bilinear interpolation of the normalized
! RWETH-kernel
!
DO JJ=1, IGWET
ZVEC3(JJ)= ( XKER_RWETH(IVEC1(JJ)+1,IVEC2(JJ)+1)* ZVEC2(JJ) &
- XKER_RWETH(IVEC1(JJ)+1,IVEC2(JJ) )*(ZVEC2(JJ) - 1.0) ) &
* ZVEC1(JJ) &
- ( XKER_RWETH(IVEC1(JJ) ,IVEC2(JJ)+1)* ZVEC2(JJ) &
- XKER_RWETH(IVEC1(JJ) ,IVEC2(JJ) )*(ZVEC2(JJ) - 1.0) ) &
*(ZVEC1(JJ) - 1.0)
END DO
ZZW(:) = 0.
DO JJ = 1, IGWET
ZZW(I1(JJ)) = ZVEC3(JJ)
END DO
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!
WHERE(GWET(1:KSIZE))
PRH_TEND(1:KSIZE, IRRWETH) = XFRWETH*ZZW(1:KSIZE) & ! RRWETH
*( PLBDAR(1:KSIZE)**(-4) )*( PLBDAH(1:KSIZE)**XCXH ) &
*( PRHODREF(1:KSIZE)**(-XCEXVT-1.) ) &
*( XLBRWETH1/( PLBDAH(1:KSIZE)**2 ) + &
XLBRWETH2/( PLBDAH(1:KSIZE) * PLBDAR(1:KSIZE) ) + &
XLBRWETH3/( PLBDAR(1:KSIZE)**2) )
END WHERE
ENDIF
ENDIF
!
DO JL=1, KSIZE
ZRDRYH_INIT(JL)=PRH_TEND(JL, IRCWETH)+PRH_TEND(JL, IRIDRYH)+ &
&PRH_TEND(JL, IRSDRYH)+PRH_TEND(JL, IRRWETH)+PRH_TEND(JL, IRGDRYH)
ENDDO
!
!* 7.3 compute the Wet growth of hail
!
DO JL=1, KSIZE
ZHAIL(JL)=MAX(0., -SIGN(1., XRTMIN(7)-PRHT(JL))) * & ! WHERE(PRHT(:)>XRTMIN(7))
&PCOMPUTE(JL)
ENDDO
IF(LDSOFT) THEN
DO JL=1, KSIZE
PRH_TEND(JL, IFREEZ1)=ZHAIL(JL) * PRH_TEND(JL, IFREEZ1)
PRH_TEND(JL, IFREEZ2)=ZHAIL(JL) * PRH_TEND(JL, IFREEZ2)
ENDDO
ELSE
DO JL=1, KSIZE
PRH_TEND(JL, IFREEZ1)=PRVT(JL)*PPRES(JL)/(XEPSILO+PRVT(JL)) ! Vapor pressure
ENDDO
IF(LEVLIMIT) THEN
WHERE(ZHAIL(1:KSIZE)==1.)
PRH_TEND(1:KSIZE, IFREEZ1)=MIN(PRH_TEND(1:KSIZE, IFREEZ1), EXP(XALPI-XBETAI/PT(1:KSIZE)-XGAMI*ALOG(PT(1:KSIZE)))) ! min(ev, es_i(T))
END WHERE
ENDIF
PRH_TEND(:, IFREEZ2)=0.
WHERE(ZHAIL(1:KSIZE)==1.)
PRH_TEND(1:KSIZE, IFREEZ1)=PKA(1:KSIZE)*(XTT-PT(1:KSIZE)) + &
(PDV(1:KSIZE)*(XLVTT+(XCPV-XCL)*(PT(1:KSIZE)-XTT)) &
*(XESTT-PRH_TEND(1:KSIZE, IFREEZ1))/(XRV*PT(1:KSIZE)) )
PRH_TEND(1:KSIZE, IFREEZ1)=PRH_TEND(1:KSIZE, IFREEZ1)* ( X0DEPH* PLBDAH(1:KSIZE)**XEX0DEPH + &
X1DEPH*PCJ(1:KSIZE)*PLBDAH(1:KSIZE)**XEX1DEPH )/ &
( PRHODREF(1:KSIZE)*(XLMTT-XCL*(XTT-PT(1:KSIZE))) )
PRH_TEND(1:KSIZE, IFREEZ2)=(PRHODREF(1:KSIZE)*(XLMTT+(XCI-XCL)*(XTT-PT(1:KSIZE))) ) / &
( PRHODREF(1:KSIZE)*(XLMTT-XCL*(XTT-PT(1:KSIZE))) )
END WHERE
ENDIF
DO JL=1, KSIZE
!We must agregate, at least, the cold species
ZRWETH_INIT(JL)=ZHAIL(JL) * MAX(PRH_TEND(JL, IRIWETH)+PRH_TEND(JL, IRSWETH)+PRH_TEND(JL, IRGWETH), &
&MAX(0., PRH_TEND(JL, IFREEZ1) + &
&PRH_TEND(JL, IFREEZ2) * ( &
&PRH_TEND(JL, IRIWETH)+PRH_TEND(JL, IRSWETH)+PRH_TEND(JL, IRGWETH) )))
ENDDO
!
!* 7.4 Select Wet or Dry case
!
!Wet case
DO JL=1, KSIZE
ZWETH(JL) = ZHAIL(JL) * &
& MAX(0., SIGN(1., MAX(0., ZRDRYH_INIT(JL)-PRH_TEND(JL, IRIDRYH)-PRH_TEND(JL, IRSDRYH)-PRH_TEND(JL, IRGDRYH)) - &
&MAX(0., ZRWETH_INIT(JL)-PRH_TEND(JL, IRIWETH)-PRH_TEND(JL, IRSWETH)-PRH_TEND(JL, IRGWETH))))
ENDDO
IF(LNULLWETH) THEN
DO JL=1, KSIZE
ZWETH(JL) = ZWETH(JL) * MAX(0., -SIGN(1., -ZRDRYH_INIT(JL))) ! WHERE(ZRDRYH_INIT(:)>0.)
ENDDO
ELSE
DO JL=1, KSIZE
ZWETH(JL) = ZWETH(JL) * MAX(0., -SIGN(1., -ZRWETH_INIT(JL))) ! WHERE(ZRWETH_INIT(:)>0.)
ENDDO
ENDIF
IF(.NOT. LWETHPOST) THEN
DO JL=1, KSIZE
ZWETH(JL) = ZWETH(JL) * MAX(0., -SIGN(1., PT(JL)-XTT)) ! WHERE(PT(:)<XTT)
ENDDO
ENDIF
DO JL=1, KSIZE
ZDRYH(JL) = ZHAIL(JL) * &
& MAX(0., -SIGN(1., PT(JL)-XTT)) * & ! WHERE(PT(:)<XTT)
& MAX(0., -SIGN(1., 1.E-20-ZRDRYH_INIT(JL))) * & !WHERE(ZRDRYH_INIT(:)>0.)
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& MAX(0., -SIGN(1., MAX(0., ZRDRYH_INIT(JL)-PRH_TEND(JL, IRIDRYH)-PRH_TEND(JL, IRSDRYH)) - &
&MAX(0., ZRWETH_INIT(JL)-PRH_TEND(JL, IRIWETH)-PRH_TEND(JL, IRSWETH))))
ENDDO
!
ZRDRYHG(:)=0.
IF(LCONVHG)THEN
WHERE(ZDRYH(:)==1.)
ZRDRYHG(:)=ZRDRYH_INIT(:)*ZRWETH_INIT(:)/(ZRDRYH_INIT(:)+ZRWETH_INIT(:))
END WHERE
ENDIF
DO JL=1, KSIZE
PRCWETH(JL) = ZWETH(JL) * PRH_TEND(JL, IRCWETH)
PRIWETH(JL) = ZWETH(JL) * PRH_TEND(JL, IRIWETH)
PRSWETH(JL) = ZWETH(JL) * PRH_TEND(JL, IRSWETH)
PRGWETH(JL) = ZWETH(JL) * PRH_TEND(JL, IRGWETH)
!Collected minus aggregated
PRRWETH(JL) = ZWETH(JL) * (ZRWETH_INIT(JL) - PRH_TEND(JL, IRIWETH) - &
PRH_TEND(JL, IRSWETH) - PRH_TEND(JL, IRGWETH) - &
PRH_TEND(JL, IRCWETH))
PRCDRYH(JL) = ZDRYH(JL) * PRH_TEND(JL, IRCWETH)
PRIDRYH(JL) = ZDRYH(JL) * PRH_TEND(JL, IRIDRYH)
PRSDRYH(JL) = ZDRYH(JL) * PRH_TEND(JL, IRSDRYH)
PRRDRYH(JL) = ZDRYH(JL) * PRH_TEND(JL, IRRWETH)
PRGDRYH(JL) = ZDRYH(JL) * PRH_TEND(JL, IRGDRYH)
PRDRYHG(JL) = ZDRYH(JL) * ZRDRYHG(JL)
PA_RC(JL) = PA_RC(JL) - PRCWETH(JL)
PA_RI(JL) = PA_RI(JL) - PRIWETH(JL)
PA_RS(JL) = PA_RS(JL) - PRSWETH(JL)
PA_RG(JL) = PA_RG(JL) - PRGWETH(JL)
PA_RH(JL) = PA_RH(JL) + PRCWETH(JL)+PRIWETH(JL)+PRSWETH(JL)+PRGWETH(JL)+PRRWETH(JL)
PA_RR(JL) = PA_RR(JL) - PRRWETH(JL)
PA_TH(JL) = PA_TH(JL) + (PRRWETH(JL)+PRCWETH(JL))*(PLSFACT(JL)-PLVFACT(JL))
PA_RC(JL) = PA_RC(JL) - PRCDRYH(JL)
PA_RI(JL) = PA_RI(JL) - PRIDRYH(JL)
PA_RS(JL) = PA_RS(JL) - PRSDRYH(JL)
PA_RR(JL) = PA_RR(JL) - PRRDRYH(JL)
PA_RG(JL) = PA_RG(JL) - PRGDRYH(JL) + PRDRYHG(JL)
PA_RH(JL) = PA_RH(JL) + PRCDRYH(JL)+PRIDRYH(JL)+PRSDRYH(JL)+&
&PRRDRYH(JL)+PRGDRYH(JL) - PRDRYHG(JL)
PA_TH(JL) = PA_TH(JL) + (PRCDRYH(JL)+PRRDRYH(JL))*(PLSFACT(JL)-PLVFACT(JL))
ENDDO
!
!* 7.5 Melting of the hailstones
!
DO JL=1, KSIZE
ZMASK(JL)=MAX(0., -SIGN(1., XRTMIN(7)-PRHT(JL))) * & ! WHERE(PRHT(:)>XRTMIN(7))
&MAX(0., -SIGN(1., XTT-PT(JL))) * & ! WHERE(PT(:)>XTT)
&PCOMPUTE(JL)
ENDDO
IF(LDSOFT) THEN
DO JL=1, KSIZE
PRHMLTR(JL)=ZMASK(JL)*PRHMLTR(JL)
ENDDO
ELSE
DO JL=1, KSIZE
PRHMLTR(JL) = ZMASK(JL)* PRVT(JL)*PPRES(JL)/(XEPSILO+PRVT(JL)) ! Vapor pressure
ENDDO
IF(LEVLIMIT) THEN
WHERE(ZMASK(:)==1.)
PRHMLTR(:)=MIN(PRHMLTR(:), EXP(XALPW-XBETAW/PT(:)-XGAMW*ALOG(PT(:)))) ! min(ev, es_w(T))
END WHERE
ENDIF
DO JL=1, KSIZE
PRHMLTR(JL) = ZMASK(JL)* (PKA(JL)*(XTT-PT(JL)) + &
( PDV(JL)*(XLVTT + ( XCPV - XCL ) * ( PT(JL) - XTT )) &
*(XESTT-PRHMLTR(JL))/(XRV*PT(JL)) ))
ENDDO
WHERE(ZMASK(1:KSIZE)==1.)
!
! compute RHMLTR
!
PRHMLTR(1:KSIZE) = MAX( 0.0,( -PRHMLTR(1:KSIZE) * &
( X0DEPH* PLBDAH(1:KSIZE)**XEX0DEPH + &
X1DEPH*PCJ(1:KSIZE)*PLBDAH(1:KSIZE)**XEX1DEPH ) - &
( PRH_TEND(1:KSIZE, IRCWETH)+PRH_TEND(1:KSIZE, IRRWETH) )* &
( PRHODREF(1:KSIZE)*XCL*(XTT-PT(1:KSIZE))) ) / &
( PRHODREF(1:KSIZE)*XLMTT ) )
END WHERE
END IF
DO JL=1, KSIZE
PA_RR(JL) = PA_RR(JL) + PRHMLTR(JL)
PA_RH(JL) = PA_RH(JL) - PRHMLTR(JL)
PA_TH(JL) = PA_TH(JL) - PRHMLTR(JL)*(PLSFACT(JL)-PLVFACT(JL))
ENDDO
!
IF (LHOOK) CALL DR_HOOK('ICE4_FAST_RH', 1, ZHOOK_HANDLE)
!
END SUBROUTINE ICE4_FAST_RH
END MODULE MODE_ICE4_FAST_RH