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  • !MNH_LIC Copyright 1996-2021 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_ONE_WAY_n
    !####################
    
    use mode_msg
    
    implicit none
    
    private
    
    public :: ONE_WAY_n
    
    contains
    
    
    !     ####################################################################
    
    SUBROUTINE ONE_WAY_n(KDAD,PTSTEP,KMI,KTCOUNT,                            &
    
                        PBMX1,PBMX2,PBMX3,PBMX4,PBMY1,PBMY2,PBMY3,PBMY4,     &
                        PBFX1,PBFX2,PBFX3,PBFX4,PBFY1,PBFY2,PBFY3,PBFY4,     &
                        KDXRATIO,KDYRATIO,KDTRATIO,                          &
                        HLBCX,HLBCY,KRIMX,KRIMY,                             &
                        KKLIN_LBXU,PCOEFLIN_LBXU,KKLIN_LBYU,PCOEFLIN_LBYU,   &
                        KKLIN_LBXV,PCOEFLIN_LBXV,KKLIN_LBYV,PCOEFLIN_LBYV,   &
                        KKLIN_LBXW,PCOEFLIN_LBXW,KKLIN_LBYW,PCOEFLIN_LBYW,   &
                        KKLIN_LBXM,PCOEFLIN_LBXM,KKLIN_LBYM,PCOEFLIN_LBYM,   &
                        OSTEADY_DMASS,HCLOUD,OUSECHAQ,OUSECHIC,              &
                        PLBXUM,PLBYUM,PLBXVM,PLBYVM,PLBXWM,PLBYWM,           &
                        PLBXTHM,PLBYTHM,                                     &
                        PLBXTKEM,PLBYTKEM,                                   &
                        PLBXRM,PLBYRM,PLBXSVM,PLBYSVM,                       &
                        PDRYMASST,PDRYMASSS,                                 &
                        PLBXUS,PLBYUS,PLBXVS,PLBYVS,PLBXWS,PLBYWS,           &
                        PLBXTHS,PLBYTHS,                                     &
                        PLBXTKES,PLBYTKES,                                   &
                        PLBXRS,PLBYRS,PLBXSVS,PLBYSVS                        )
    !     ####################################################################
    !
    !!****  *ONE_WAY_n* - Refreshing of a nested model Large Scale sources 
    !!
    !!    PURPOSE
    !!    -------
    !!      The purpose of ONE_WAY$n is to 'refresh' Large Scale sources
    !!    of all the prognostic variables of the current nested model when the
    !!    current time step is in phase with its outer (DAD) model $n.
    !!      It also computes the dry mass at time t and the corresponding source,
    !!    by integration of the dry density of outer model $n over the inner domain.
    !
    !
    !!**  METHOD
    !!    ------
    !!      The basic task consists in interpolating fields from outer model $n
    !!    to present inner model, using horizontal Bikhardt interpolation.
    !!      The dry density reads:
    !!                                          P
    !!                       Rhod = --------------------------
    !!                               Rd*Theta*PI*(1+rv*Rv/Rd)
    !!      The total dry mass is deduced from Rhod and the Jacobian (the integration
    !!    is performed on the inner points):
    !!
    !!                         Md =  SUM   rhod J
    !!                              i,j,k
    !!      Caution:  J is deduced from RHODJ and RHODREF depending on the system of
    !!      -------  equations (CEQNSYS) with:
    !!               RHODJ =  RHODeff * J
    !!                    and RHODeff = RHODREF                  if CEQNSYS = MAE or LHE
    !!                                           THVREF*(1+RVREF)
    !!                     or RHODeff = RHODREF* --------------- if CEQNSYS = DUR
    !!                                               TH00
    !!
    !!    EXTERNAL
    !!    --------
    !!
    !!        Function  VER_INTERP_LIN : performs the vertical interpolation
    !!
    !!        Subroutine  BIKHARDT : performs the horizontal interpolation
    !!
    !!    IMPLICIT ARGUMENTS
    !!    ------------------
    !!      Module MODD_PARAMETERS: JPHEXT,JPVEXT
    !!
    !!      Module MODD_CST: XRD,XRV,XCPD,XP00,XTH00
    !!
    !!      Module MODD_CONF: CEQNSYS
    !!
    !!      Module MODD_FIELD$n : XUT,XVT,XWT,XRT,XTHT,XPABST
    !!
    !!      Module MODD_REF$n   : XRHODJ, XRVREF,XTHVREF, XRHODREF
    !!
    !!    REFERENCE
    !!    ---------
    !!
    !!    AUTHOR
    !!    ------
    !!    J. P. Lafore  *Meteo-France*
    !!
    !!    MODIFICATIONS
    !!    -------------
    !!      Original     22/10/96
    !!    J. P. Lafore   20/01/97 nesting procedure for DRYMASS
    !!    J. P. Lafore   21/10/97 DRYMASS correction to account for the
    !!                            equations system (CEQNSYS)
    !!    J. Stein       22/12/97 use the LB fields for lbc
    !!    J. Stein       08/04/99 merge uvw_ls_nesting and scalar_ls_nesting
    !!    P. Jabouille   19/04/00 parallelisation (without use of LB comlib routines)
    !!    J.-P. Pinty    02/11/00 modify the LB*SVS for the C2R2 scheme
    !!    J.-P. Pinty    29/11/02 modify the LB*SVS for the C3R5 scheme
    !!                            and add ICE2, ICE4, CELEC
    !!    O.Geoffroy     03/2006  Add KHKO scheme
    !!                   05/2006  Remove EPS
    !!    M. Leriche     11/2009  modify the LB*SVS for the aqueous phase chemistry
    !!                   07/2010  idem for ice phase chemical species
    
    !!    Bosseur & Filippi 07/2013 Adds Forefire
    
    !!   J.Escobar : 15/09/2015 : WENO5 & JPHEXT <> 1
    
    !!      J.Escobar : 18/12/2015 : Correction of bug in bound in // for NHALO <>1 
    
    !!      Modification    01/2016  (JP Pinty) Add LIMA
    
    !  P. Wautelet: 05/2016-04/2018: new data structures and calls for I/O
    
    !  P. Wautelet 10/04/2019: replace ABORT and STOP calls by Print_msg
    
    !  P. Wautelet 03/05/2019: restructuration of one_wayn and ini_one_wayn
    
    !  P. Wautelet 04/06/2020: correct call to Set_conc_lima + initialize ZCONCT
    
    !------------------------------------------------------------------------------
    !
    !*      0.   DECLARATIONS
    !            ------------
    
    USE MODD_CH_MNHC_n,      only: LUSECHAQ, LUSECHIC
    
    USE MODD_CST,            only: XCPD, XP00, XRD, XRV, XTH00
    
    USE MODD_FIELD_n,        only: XPABST, XRT, XSVT, XUT, XVT, XWT, XTHT, XTKET
    USE MODD_NESTING,        only: NXOR_ALL, NXEND_ALL, NYOR_ALL, NYEND_ALL
    USE MODD_NSV,            only: NSV_A, NSV_C1R3BEG_A, NSV_C1R3_A, NSV_C2R2BEG_A, NSV_C2R2_A, NSV_CHEMBEG_A, NSV_CHEMEND_A, &
                                   NSV_CHEM_A, NSV_CHICBEG_A, NSV_CHIC_A, NSV_DSTBEG_A, NSV_DST_A,                            &
                                   NSV_ELECBEG_A, NSV_ELEC_A, NSV_LGBEG_A, NSV_LG_A, NSV_LIMA_A, NSV_LIMA_BEG_A,              &
                                   NSV_PPBEG_A, NSV_PP_A,                                                                     &
                                   NSV_SLTBEG_A, NSV_SLT_A, NSV_USER_A,                                                       &
                                   NSV_AERBEG_A, NSV_AER_A, NSV_CSBEG_A, NSV_CS_A
    
    USE MODD_PARAMETERS,     only: JPHEXT, JPVEXT
    USE MODD_PARAM_n,        only: CCLOUD
    
    USE MODD_REF_n,          only: XRHODJ, XRHODREF, XRVREF, XTHVREF
    !
    
    use mode_ll,             only: GET_CHILD_DIM_ll, GO_TOMODEL_ll,                         &
                                   LS_FORCING_ll, LWEST_ll, LEAST_ll, LNORTH_ll, LSOUTH_ll, &
                                   SET_LSFIELD_1WAY_ll, UNSET_LSFIELD_1WAY_ll
    
    USE MODE_MODELN_HANDLER, only: GOTO_MODEL
    
    use mode_set_conc_lima
    
    !
    USE MODI_SET_CHEMAQ_1WAY
    
    USE MODI_SET_CONC_ICE_C1R3
    USE MODI_SET_CONC_RAIN_C2R2
    
    !
    IMPLICIT NONE
    !
    !*       0.1   declarations of arguments
    !
    !
    INTEGER,          INTENT(IN)    :: KDAD     !  Number of the DAD model
    REAL,             INTENT(IN)    :: PTSTEP   !  Time step
    INTEGER,          INTENT(IN)    :: KMI      ! model number
    INTEGER,          INTENT(IN)    :: KTCOUNT  !  Temporal loop COUNTer
                                                ! (=1 at the segment beginning)
                                        ! interpolation coefficients
    REAL, DIMENSION(:), INTENT(IN) :: PBMX1,PBMX2,PBMX3,PBMX4 ! Mass points in X-direc.
    REAL, DIMENSION(:), INTENT(IN) :: PBMY1,PBMY2,PBMY3,PBMY4 ! Mass points in Y-direc.
    REAL, DIMENSION(:), INTENT(IN) :: PBFX1,PBFX2,PBFX3,PBFX4 ! Flux points in X-direc.
    REAL, DIMENSION(:), INTENT(IN) :: PBFY1,PBFY2,PBFY3,PBFY4 ! Flux points in Y-direc.
    !
    INTEGER,   INTENT(IN)  :: KDXRATIO   !  x and y-direction resolution RATIO
    INTEGER,   INTENT(IN)  :: KDYRATIO   ! between inner model and outer model
    INTEGER,   INTENT(IN)  :: KDTRATIO   !  Time step resolution RATIO
    CHARACTER (LEN=4), DIMENSION (2), INTENT(IN) :: HLBCX   ! type of lateral
    CHARACTER (LEN=4), DIMENSION (2), INTENT(IN) :: HLBCY   ! boundary conditions
    INTEGER,          INTENT(IN)    :: KRIMX,KRIMY ! size of the RIM area
    !  coefficients for the vertical interpolation of the LB fields
    INTEGER, DIMENSION(:,:,:), INTENT(  IN ) :: KKLIN_LBXU,KKLIN_LBYU
    REAL,    DIMENSION(:,:,:), INTENT(  IN ) :: PCOEFLIN_LBXU,PCOEFLIN_LBYU
    INTEGER, DIMENSION(:,:,:), INTENT(  IN ) :: KKLIN_LBXV,KKLIN_LBYV
    REAL,    DIMENSION(:,:,:), INTENT(  IN ) :: PCOEFLIN_LBXV,PCOEFLIN_LBYV
    INTEGER, DIMENSION(:,:,:), INTENT(  IN ) :: KKLIN_LBXW,KKLIN_LBYW
    REAL,    DIMENSION(:,:,:), INTENT(  IN ) :: PCOEFLIN_LBXW,PCOEFLIN_LBYW
    INTEGER, DIMENSION(:,:,:), INTENT(  IN ) :: KKLIN_LBXM,KKLIN_LBYM
    REAL,    DIMENSION(:,:,:), INTENT(  IN ) :: PCOEFLIN_LBXM,PCOEFLIN_LBYM
    !
    LOGICAL,           INTENT(IN)  :: OSTEADY_DMASS ! Md evolution logical switch
    CHARACTER (LEN=4), INTENT(IN)  :: HCLOUD        ! Indicator of the cloud scheme
    LOGICAL,           INTENT(IN)  :: OUSECHAQ      ! logical for aqueous phase chemistry
    LOGICAL,           INTENT(IN)  :: OUSECHIC      ! logical for ice phase chemistry
    !
    REAL, DIMENSION(:,:,:), INTENT(IN)    :: PLBXUM,PLBXVM,PLBXWM ! Large Scale fields at t-dt
    REAL, DIMENSION(:,:,:), INTENT(IN)    :: PLBYUM,PLBYVM,PLBYWM
    REAL, DIMENSION(:,:,:),  INTENT(IN)  :: PLBXTHM ,PLBYTHM  ! Large Scale fields at t-dt
    REAL, DIMENSION(:,:,:),  INTENT(IN)  :: PLBXTKEM,PLBYTKEM ! Theta, TKE
    REAL, DIMENSION(:,:,:,:),INTENT(IN)  :: PLBXRM  ,PLBYRM   ! Moisture and SV
    REAL, DIMENSION(:,:,:,:),INTENT(IN)  :: PLBXSVM ,PLBYSVM  ! in x and y-dir.
    !
    REAL,             INTENT(INOUT) :: PDRYMASST     ! Mass of dry air Md
    REAL,             INTENT(INOUT) :: PDRYMASSS     !  Md source
    REAL, DIMENSION(:,:,:), INTENT(OUT) :: PLBXUS,PLBXVS,PLBXWS ! Large Scale source terms
    REAL, DIMENSION(:,:,:), INTENT(OUT) :: PLBYUS,PLBYVS,PLBYWS
    REAL, DIMENSION(:,:,:),  INTENT(OUT) :: PLBXTHS ,PLBYTHS  ! Large Scale fields sources
    REAL, DIMENSION(:,:,:),  INTENT(OUT) :: PLBXTKES,PLBYTKES ! Theta, TKE
    REAL, DIMENSION(:,:,:,:),INTENT(OUT) :: PLBXRS  ,PLBYRS   ! Moisture and SV
    REAL, DIMENSION(:,:,:,:),INTENT(OUT) :: PLBXSVS ,PLBYSVS  ! in x and y-dir.
    !
    !
    !*       0.2   declarations of local variables
    !
    
    REAL                   :: ZTIME                   ! Interpolation duration
    
    INTEGER                :: IIB,IIE,IJB,IJE,IIU,IJU
    
    REAL     ::   ZBIGTSTEP    ! time step of the dad model ($n)
    REAL     ::   ZRV_O_RD     ! = Rv /  Rd
    REAL     ::   ZRD_O_CPD    ! = Rd /  Cpd
    REAL     ::  ZDRYMASST,ZDRYMASSM
    !REAL,   DIMENSION(SIZE(XRHODJ,1),SIZE(XRHODJ,2),SIZE(XRHODJ,3)) :: ZJ,ZRHOD
    REAL,   DIMENSION(:,:,:), ALLOCATABLE :: ZJ,ZRHOD
    REAL,   DIMENSION(:,:,:), ALLOCATABLE  :: ZWORK
    !
    INTEGER           :: IRR,ISV_USER          !  Number of moist and scalar variables
    INTEGER           :: JRR,JSV          !  Loop index
    !
    ! reduced array for the interpolation coefficients
    REAL, DIMENSION(:,:,:), ALLOCATABLE ::  ZCOEFLIN_LBXM_RED,ZCOEFLIN_LBYM_RED
    INTEGER, DIMENSION(:,:,:), ALLOCATABLE :: IKLIN_LBXM_RED,IKLIN_LBYM_RED
    !
    INTEGER :: IINFO_ll, IDIMX, IDIMY
    !
    REAL, DIMENSION(:,:,:), ALLOCATABLE :: ZTUT, ZTVT, ZTWT, ZTTHT, ZTTKET
    REAL, DIMENSION(:,:,:,:), ALLOCATABLE ::ZTRT,ZTSVT
    !
    CHARACTER(LEN=4)                    :: ZINIT_TYPE
    REAL, DIMENSION(:,:,:,:), ALLOCATABLE :: ZCONCT
    REAL, DIMENSION(:,:,:,:), ALLOCATABLE :: ZCHEMT
    REAL, DIMENSION(:,:,:,:), ALLOCATABLE :: ZCHEMTI
    !
    
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    !
    
    IF (LCOUPLES) THEN
       PDRYMASST=0.
       PDRYMASSS=0.
       PLBXUS=0.
       PLBXVS=0.
       PLBXWS=0.
       PLBXTHS=0.
       PLBYTHS=0.
       PLBXTKES=0.
       PLBYTKES =0.
       PLBXRS =0.
       PLBYRS=0.
       PLBXSVS =0.
       PLBYSVS=0.
    ELSE
    
    !-------------------------------------------------------------------------------
    !
    !*      0.   INITIALISATION
    !            --------------
    CALL GOTO_MODEL(KDAD)
    ALLOCATE(ZJ(SIZE(XRHODJ,1),SIZE(XRHODJ,2),SIZE(XRHODJ,3)))
    ALLOCATE(ZRHOD(SIZE(XRHODJ,1),SIZE(XRHODJ,2),SIZE(XRHODJ,3)))
    !
    
    !!$CALL GET_INDICE_ll (IIB,IJB,IIE,IJE)
    CALL GET_DIM_EXT_ll ('B',IIU,IJU)
    IIB=1
    IIE=IIU
    IJB=1
    IJE=IJU
    
    
    ALLOCATE(ZWORK(IIB:IIE,IJB:IJE,SIZE(PLBXTHM,3)))  ! can be smaller than child extended subdomain
    ! LS_FORCING routine can not correctly manage extra halo zone
    ! LB will be filled only with one layer halo zone for the moment
    !
    !
    ZRV_O_RD  = XRV / XRD
    ZRD_O_CPD = XRD / XCPD
    !
    ZTIME = PTSTEP * (1+KDTRATIO)
    ZJ(:,:,:)   =0.
    ZRHOD(:,:,:)=0.
    !
    
    IRR=MIN(SIZE(XRT,4),SIZE(PLBXRM,4))
    
    ISV_USER=MIN(NSV_USER_A(KDAD),NSV_USER_A(KMI))
    !
    IF (LWEST_ll() .AND. LEAST_ll()) THEN
      ALLOCATE (ZCOEFLIN_LBXM_RED(2,SIZE(PLBXTHM,2),SIZE(PLBXTHM,3)))
      ALLOCATE (  IKLIN_LBXM_RED(2,SIZE(PLBXTHM,2),SIZE(PLBXTHM,3)))
    ELSE
      ALLOCATE (ZCOEFLIN_LBXM_RED(1,SIZE(PLBXTHM,2),SIZE(PLBXTHM,3)))
      ALLOCATE (  IKLIN_LBXM_RED(1,SIZE(PLBXTHM,2),SIZE(PLBXTHM,3)))
    ENDIF
    !
    IF (LSOUTH_ll() .AND. LNORTH_ll()) THEN
      ALLOCATE (ZCOEFLIN_LBYM_RED(SIZE(PLBYTHM,1),2,SIZE(PLBYTHM,3)))
      ALLOCATE (  IKLIN_LBYM_RED(SIZE(PLBYTHM,1),2,SIZE(PLBYTHM,3)))
    ELSE
      ALLOCATE (ZCOEFLIN_LBYM_RED(SIZE(PLBYTHM,1),1,SIZE(PLBYTHM,3)))
      ALLOCATE (  IKLIN_LBYM_RED(SIZE(PLBYTHM,1),1,SIZE(PLBYTHM,3)))
    ENDIF
    !
    
    IF(LWEST_ll()) THEN
      ZCOEFLIN_LBXM_RED(1,:,:)=PCOEFLIN_LBXM(1,:,:)
      IKLIN_LBXM_RED(1,:,:)=KKLIN_LBXM(1,:,:)
    ENDIF
    IF(LEAST_ll()) THEN
      ZCOEFLIN_LBXM_RED(SIZE(ZCOEFLIN_LBXM_RED,1),:,:) = &
                 PCOEFLIN_LBXM(SIZE(PCOEFLIN_LBXM,1),:,:)
    
      IKLIN_LBXM_RED(SIZE(IKLIN_LBXM_RED,1),:,:) = &
                 KKLIN_LBXM(SIZE(IKLIN_LBXM_RED,1),:,:)
    ENDIF
    IF ( SIZE(PLBYTHM,2) /= 0 ) THEN
      IF(LSOUTH_ll()) THEN
        ZCOEFLIN_LBYM_RED(:,1,:)=PCOEFLIN_LBYM(:,1,:)
        IKLIN_LBYM_RED(:,1,:)=KKLIN_LBYM(:,1,:)
      ENDIF
      IF(LNORTH_ll()) THEN
        ZCOEFLIN_LBYM_RED(:,SIZE(ZCOEFLIN_LBYM_RED,2),:) = &
                   PCOEFLIN_LBYM(:,SIZE(PCOEFLIN_LBYM,2),:)
        IKLIN_LBYM_RED(:,SIZE(IKLIN_LBYM_RED,2),:) = &
                   KKLIN_LBYM(:,SIZE(IKLIN_LBYM_RED,2),:)
      ENDIF
    END IF
    !
    !
    !
    !*      1 GATHER LB FIELD FOR THE CHILD MODEL KMI
    !
    !       1.1  Must be on the father model to call get_child_dim
    !
    CALL GO_TOMODEL_ll(KDAD, IINFO_ll)
    CALL GET_CHILD_DIM_ll(KMI, IDIMX, IDIMY, IINFO_ll)
    !
    !
    !-------------------------------------------------------------------------------
    !
    ALLOCATE(ZTUT(IDIMX,IDIMY,SIZE(XUT,3)))
    ZTUT(:,:,:)=0
    
    ALLOCATE(ZTVT(IDIMX,IDIMY,SIZE(XVT,3)))
    ZTVT(:,:,:)=0
    
    ALLOCATE(ZTWT(IDIMX,IDIMY,SIZE(XWT,3)))
    ZTWT(:,:,:)=0
    
    ALLOCATE(ZTTHT(IDIMX,IDIMY,SIZE(XTHT,3)))
    ZTTHT(:,:,:)=0
    IF (SIZE(XTKET) /= 0) ALLOCATE(ZTTKET(IDIMX,IDIMY,SIZE(XTKET,3)))
    IF (IRR /= 0) ALLOCATE(ZTRT(IDIMX,IDIMY,SIZE(XRT,3),IRR))
    IF (NSV_A(KMI)/= 0) ALLOCATE(ZTSVT(IDIMX,IDIMY,SIZE(XSVT,3),NSV_A(KMI)))
    !
    !         1.3  Specify the ls "source" fields and receiver fields
    !
    CALL SET_LSFIELD_1WAY_ll(XUT,ZTUT,KMI)
    CALL SET_LSFIELD_1WAY_ll(XVT,ZTVT,KMI)
    CALL SET_LSFIELD_1WAY_ll(XWT,ZTWT,KMI)
    CALL SET_LSFIELD_1WAY_ll(XTHT,ZTTHT,KMI)
    IF (ALLOCATED(ZTTKET)) CALL SET_LSFIELD_1WAY_ll(XTKET,ZTTKET,KMI)
    !
    DO JRR=1,IRR
      CALL SET_LSFIELD_1WAY_ll(XRT(:,:,:,JRR),ZTRT(:,:,:,JRR),KMI)
    ENDDO
    !
    IF (ALLOCATED(ZTSVT)) ZTSVT=0.  ! to treat ISV_USER+1:NSV_USER_A(KMI) section
    ! USERs scalar variables
    DO JSV=1,ISV_USER
      CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV),ZTSVT(:,:,:,JSV),KMI)
    ENDDO
    !
    !  Checking if it is necessary to compute the Nc and Nr
    !  concentrations to use the C2R2(or KHKO) microphysical scheme
    !  (FATHER does not use C2R2(or KHKO) and CHILD uses C2R2(or KHKO))
    !
    
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    IF (HCLOUD=="C2R2" .OR. HCLOUD=="KHKO") THEN
    
      IF  (CCLOUD/="NONE" .AND. CCLOUD/="C2R2" .AND. CCLOUD/="KHKO") THEN
    
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        ZINIT_TYPE="NONE"
        ALLOCATE(ZCONCT(SIZE(XRHODJ,1),SIZE(XRHODJ,2),SIZE(XRHODJ,3),3))
        IF (CCLOUD == "REVE") THEN
    
          ZINIT_TYPE = "INI1"
    
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        ELSE IF (CCLOUD == "KESS" ) THEN
          ZINIT_TYPE = "INI2"
        END IF
    
        CALL SET_CONC_RAIN_C2R2(ZINIT_TYPE,XRHODREF,XRT,ZCONCT)
    
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        DO JSV=1,3
          CALL SET_LSFIELD_1WAY_ll(ZCONCT(:,:,:,JSV),&
               &ZTSVT(:,:,:,JSV-1+NSV_C2R2BEG_A(KMI)),KMI)
        ENDDO
      ELSE
        DO JSV=1,NSV_C2R2_A(KMI)
          CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_C2R2BEG_A(KDAD)),&
               &ZTSVT(:,:,:,JSV-1+NSV_C2R2BEG_A(KMI)),KMI)
        END DO
      ENDIF
    
    ENDIF
    !
    !  Checking also if it is necessary to compute the Ni
    !  concentrations to use the C3R5 microphysical scheme
    !  (FATHER does not use C3R5 and CHILD uses C3R5)
    !
    IF (HCLOUD=="C3R5") THEN
    
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      IF ( CCLOUD(1:3)=="ICE" ) THEN
        ZINIT_TYPE="NONE"
        ALLOCATE(ZCONCT(SIZE(XRHODJ,1),SIZE(XRHODJ,2),SIZE(XRHODJ,3),5))
        IF (CCLOUD == "REVE") THEN
    
          ZINIT_TYPE = "INI1"
    
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        ELSE IF (CCLOUD == "KESS" ) THEN
          ZINIT_TYPE = "INI2"
        END IF
    
        CALL SET_CONC_RAIN_C2R2(ZINIT_TYPE,XRHODREF,XRT,ZCONCT)
    
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        DO JSV=1,3
          CALL SET_LSFIELD_1WAY_ll(ZCONCT(:,:,:,JSV),&
               &ZTSVT(:,:,:,JSV-1+NSV_C2R2BEG_A(KMI)),KMI)
        ENDDO
        ZINIT_TYPE="INI3"
    
        CALL SET_CONC_ICE_C1R3 (XRHODREF,XRT,ZCONCT)
    
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        DO JSV=4,5
          CALL SET_LSFIELD_1WAY_ll(ZCONCT(:,:,:,JSV),&
               &ZTSVT(:,:,:,JSV-4+NSV_C1R3BEG_A(KMI)),KMI) 
        ENDDO
      ELSE
        DO JSV=1,NSV_C2R2_A(KMI)
          CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_C2R2BEG_A(KDAD)),&
               &ZTSVT(:,:,:,JSV-1+NSV_C2R2BEG_A(KMI)),KMI)
        END DO
        DO JSV=1,NSV_C1R3_A(KMI)
          CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_C1R3BEG_A(KDAD)),&
               &ZTSVT(:,:,:,JSV-1+NSV_C1R3BEG_A(KMI)),KMI)
        END DO
      ENDIF
    ENDIF
    !
    ! LIMA Scheme
    !
    IF (HCLOUD=="LIMA"  ) THEN
       IF (CCLOUD/="LIMA") THEN
          ALLOCATE(ZCONCT(SIZE(XRHODJ,1),SIZE(XRHODJ,2),SIZE(XRHODJ,3),NSV_LIMA_A(KMI)))
    
          ZCONCT(:, :, :, :) = 0.
    
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          IF (CCLOUD == "REVE") THEN
             ZINIT_TYPE = "INI1"
          ELSE
             ZINIT_TYPE = "NONE"
          END IF
    
          CALL SET_CONC_LIMA (KMI,ZINIT_TYPE,XRHODREF,XRT,ZCONCT)
    
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          DO JSV=1,NSV_LIMA_A(KMI)
             CALL SET_LSFIELD_1WAY_ll(ZCONCT(:,:,:,JSV),&
                  &ZTSVT(:,:,:,JSV-1+NSV_LIMA_BEG_A(KMI)),KMI)
          ENDDO   
       ELSE
    
          IF ( NSV_LIMA_A(KMI) /= NSV_LIMA_A(KDAD) ) &
            call Print_msg( NVERB_FATAL, 'GEN', 'ONE_WAY_n', 'NSV_LIMA_A(KMI)/=NSV_LIMA_A(KDAD)' )
    
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          DO JSV=1,NSV_LIMA_A(KMI)
             CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_LIMA_BEG_A(KDAD)),&
                  &ZTSVT(:,:,:,JSV-1+NSV_LIMA_BEG_A(KMI)),KMI)
          END DO
       END IF
    
    ENDIF
    !
    ! electrical variables
    !
    DO JSV=1,MIN(NSV_ELEC_A(KMI),NSV_ELEC_A(KDAD))
      CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_ELECBEG_A(KDAD)),&
           &ZTSVT(:,:,:,JSV-1+NSV_ELECBEG_A(KMI)),KMI)
    END DO
    !
    ! chemical Scalar variables
    !  Checking if it is necessary to compute the Caq
    !  concentrations to use the aqueous phase chemistry
    !  (FATHER does not use aqueous phase chemistry and CHILD uses it)
    !
    IF (OUSECHAQ) THEN
      IF (.NOT.(LUSECHAQ)) THEN
        ALLOCATE(ZCHEMT(SIZE(XRHODJ,1),SIZE(XRHODJ,2),SIZE(XRHODJ,3),&
                       NSV_CHEM_A(KMI)))
    
        CALL SET_CHEMAQ_1WAY(XRHODREF,&
    
             XSVT(:,:,:,NSV_CHEMBEG_A(KDAD):NSV_CHEMEND_A(KDAD)),ZCHEMT)
        DO JSV=1,NSV_CHEM_A(KMI)
          CALL SET_LSFIELD_1WAY_ll(ZCHEMT(:,:,:,JSV),&
             &ZTSVT(:,:,:,JSV-1+NSV_CHEMBEG_A(KMI)),KMI)
        ENDDO
      ELSE
        DO JSV=1,NSV_CHEM_A(KMI)
          CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_CHEMBEG_A(KDAD)),&
               &ZTSVT(:,:,:,JSV-1+NSV_CHEMBEG_A(KMI)),KMI)
        END DO
      ENDIF
    ELSE
    !
      DO JSV=1,NSV_CHEM_A(KMI)
        CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_CHEMBEG_A(KDAD)),&
           &ZTSVT(:,:,:,JSV-1+NSV_CHEMBEG_A(KMI)),KMI)
      END DO
    ENDIF
    !
    !  Checking if it is necessary to compute the Cic
    !  concentrations to use the ice phase chemistry
    !  (FATHER does not use ice phase chemistry and CHILD uses it)
    !
    IF (OUSECHIC) THEN
      IF (.NOT.(LUSECHIC)) THEN
        ALLOCATE(ZCHEMTI(SIZE(XRHODJ,1),SIZE(XRHODJ,2),SIZE(XRHODJ,3),&
                       NSV_CHIC_A(KMI)))
        ZCHEMTI(:,:,:,:) = 0.
        DO JSV=1,NSV_CHIC_A(KMI)
          CALL SET_LSFIELD_1WAY_ll(ZCHEMTI(:,:,:,JSV),&
           &ZTSVT(:,:,:,JSV-1+NSV_CHICBEG_A(KMI)),KMI)
        ENDDO
      ELSE
        DO JSV=1,NSV_CHIC_A(KMI)
          CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_CHICBEG_A(KDAD)),&
               &ZTSVT(:,:,:,JSV-1+NSV_CHICBEG_A(KMI)),KMI)
        END DO
      ENDIF
    ELSE
      DO JSV=1,NSV_CHIC_A(KMI)
        CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_CHICBEG_A(KDAD)),&
             &ZTSVT(:,:,:,JSV-1+NSV_CHICBEG_A(KMI)),KMI)
      END DO
    ENDIF
    !
    !
    ! dust Scalar variables
    !
    DO JSV=1,NSV_DST_A(KMI)
      CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_DSTBEG_A(KDAD)),&
           &ZTSVT(:,:,:,JSV-1+NSV_DSTBEG_A(KMI)),KMI)
    END DO
    !
    !
    ! sea salt Scalar variables
    !
    DO JSV=1,NSV_SLT_A(KMI)
      CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_SLTBEG_A(KDAD)),&
           &ZTSVT(:,:,:,JSV-1+NSV_SLTBEG_A(KMI)),KMI)
    END DO
    !
    ! Orilam aerosol Scalar variables
    !
    DO JSV=1,NSV_AER_A(KMI)
      CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_AERBEG_A(KDAD)),&
           &ZTSVT(:,:,:,JSV-1+NSV_AERBEG_A(KMI)),KMI)
    END DO
    !
    ! lagrangian variables
    !
    DO JSV=1,NSV_LG_A(KMI)
      CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_LGBEG_A(KDAD)),&
           &ZTSVT(:,:,:,JSV-1+NSV_LGBEG_A(KMI)),KMI)
    END DO
    !
    ! Passive pollutants    
    !
    DO JSV=1,NSV_PP_A(KMI)
      CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_PPBEG_A(KDAD)),&
           &ZTSVT(:,:,:,JSV-1+NSV_PPBEG_A(KMI)),KMI)
    END DO
    
    #ifdef MNH_FOREFIRE
    
    !
    ! ForeFire variables     
    !
    DO JSV=1,NSV_FF_A(KMI)
      CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_FFBEG_A(KDAD)),&
           &ZTSVT(:,:,:,JSV-1+NSV_FFBEG_A(KMI)),KMI)
    END DO
    #endif
    
    !
    ! Conditional sampling  
    !
    DO JSV=1,NSV_CS_A(KMI)
      CALL SET_LSFIELD_1WAY_ll(XSVT(:,:,:,JSV-1+NSV_CSBEG_A(KDAD)),&
           &ZTSVT(:,:,:,JSV-1+NSV_CSBEG_A(KMI)),KMI)
    END DO
    !
    ! Communication
    !
    CALL LS_FORCING_ll(KMI,IINFO_ll)
    CALL GO_TOMODEL_ll(KMI,IINFO_ll)
    CALL UNSET_LSFIELD_1WAY_ll()
    IF (ALLOCATED(ZCONCT)) DEALLOCATE(ZCONCT)
    IF (ALLOCATED(ZCHEMT)) DEALLOCATE(ZCHEMT)
    IF (ALLOCATED(ZCHEMTI)) DEALLOCATE(ZCHEMTI)
    !
    !*      1.   U FIELD TREATMENT
    !            -----------------
    
    IGRID = 2
    CALL Compute_LB( PLBXUM, PLBYUM, PLBXUS, PLBYUS, ZTUT, ZTIME, ZWORK,           &
                     PBMX1, PBMX2, PBMX3, PBMX4, PBMY1, PBMY2, PBMY3, PBMY4,       &
                     PBFX1, PBFX2, PBFX3, PBFX4, PBFY1, PBFY2, PBFY3, PBFY4,       &
                     IIB, IIE, IJB, IJE, IGRID,                                    &
                     IDIMX, IDIMY, KDXRATIO, KDYRATIO, HLBCX, HLBCY, KRIMX, KRIMY, &
                     KKLIN_LBXU, KKLIN_LBYU,                                       &
                     PCOEFLIN_LBXU, PCOEFLIN_LBYU )
    
    DEALLOCATE(ZTUT)
    !
    !-------------------------------------------------------------------------------
    !
    !*      2.   V FIELD TREATMENT
    !            -----------------
    
    IGRID = 3
    CALL Compute_LB( PLBXVM, PLBYVM, PLBXVS, PLBYVS, ZTVT, ZTIME, ZWORK,           &
                     PBMX1, PBMX2, PBMX3, PBMX4, PBMY1, PBMY2, PBMY3, PBMY4,       &
                     PBFX1, PBFX2, PBFX3, PBFX4, PBFY1, PBFY2, PBFY3, PBFY4,       &
                     IIB, IIE, IJB, IJE, IGRID,                                    &
                     IDIMX, IDIMY, KDXRATIO, KDYRATIO, HLBCX, HLBCY, KRIMX, KRIMY, &
                     KKLIN_LBXV, KKLIN_LBYV,                                       &
                     PCOEFLIN_LBXV, PCOEFLIN_LBYV )
    
    DEALLOCATE(ZTVT)
    !
    !-------------------------------------------------------------------------------
    !
    !*      3.   W FIELD TREATMENT
    !            -----------------
    
    IGRID = 4
    CALL Compute_LB( PLBXWM, PLBYWM, PLBXWS, PLBYWS, ZTWT, ZTIME, ZWORK,           &
                     PBMX1, PBMX2, PBMX3, PBMX4, PBMY1, PBMY2, PBMY3, PBMY4,       &
                     PBFX1, PBFX2, PBFX3, PBFX4, PBFY1, PBFY2, PBFY3, PBFY4,       &
                     IIB, IIE, IJB, IJE, IGRID,                                    &
                     IDIMX, IDIMY, KDXRATIO, KDYRATIO, HLBCX, HLBCY, KRIMX, KRIMY, &
                     KKLIN_LBXW, KKLIN_LBYW,                                       &
                     PCOEFLIN_LBXW, PCOEFLIN_LBYW )
    
    DEALLOCATE(ZTWT)
    !
    !
    !-------------------------------------------------------------------------------
    !
    !*      4.   COMPUTE LARGE SCALE DRY MASS Md SOURCE
    !            --------------------------------------
    CALL GO_TOMODEL_ll(KDAD, IINFO_ll)
    !
    IF(OSTEADY_DMASS)  PDRYMASSS   =  0.
    !
    IF(.NOT. OSTEADY_DMASS) THEN
    !
    !*       4.0 inner model mask preparation relative to the outer model
    !
    !
    !*       4.1 compute the jacobian J
    !
      IF ( CEQNSYS == 'DUR' ) THEN
        IF ( SIZE(XRVREF,1) == 0 ) THEN
          ZJ(:,:,:) = XRHODJ(:,:,:)*XTH00/(XRHODREF(:,:,:)*XTHVREF(:,:,:))
        ELSE
          ZJ(:,:,:) = XRHODJ(:,:,:)*XTH00/(XRHODREF(:,:,:)*XTHVREF(:,:,:) &
                                                     *(1.+XRVREF(:,:,:)))
        END IF
      ELSEIF ( CEQNSYS == 'MAE' .OR. CEQNSYS == 'LHE' ) THEN
        ZJ(:,:,:) = XRHODJ(:,:,:)/XRHODREF(:,:,:)
      END IF
    !
    !*       4.2 computing of dry density at t
    !
      IF(SIZE(XRT,4) == 0) THEN
                            ! dry air case
    !                         ------------
          ZRHOD(:,:,:) = XPABST(:,:,:)/(XPABST(:,:,:)/XP00)**ZRD_O_CPD       &
                                      /(XRD*XTHT(:,:,:))
      ELSE                  ! moist air case
    !                         --------------
          ZRHOD(:,:,:) = XPABST(:,:,:)/(XPABST(:,:,:)/XP00)**ZRD_O_CPD       &
                                      /(XRD*XTHT(:,:,:)*(1.+ZRV_O_RD*XRT(:,:,:,1)))
      ENDIF
    !
    !*       4.3 computing of the dry mass at t
    !
    !
    
      ZDRYMASST = SUM3D_ll (ZJ(:,:,:)*ZRHOD(:,:,:),IINFO_ll,NXOR_ALL(KMI)+JPHEXT,NYOR_ALL(KMI)+JPHEXT, &
                1+JPVEXT,NXEND_ALL(KMI)-JPHEXT,NYEND_ALL(KMI)-JPHEXT,SIZE(XRHODJ,3)-JPVEXT)
    
    !
    !
    !*       4.4 normal processing (not at the segment beginning)
    !
      IF( KTCOUNT /= 1 ) THEN
        ZBIGTSTEP =  PTSTEP*KDTRATIO                 ! time step of the dad model
        ZDRYMASSM =  PDRYMASST - PDRYMASSS*ZBIGTSTEP ! backward integration over this time step
        PDRYMASST =  ZDRYMASST
        PDRYMASSS = (PDRYMASST - ZDRYMASSM) / ZBIGTSTEP
      ELSE
    !
    !*       4.5 segment beginning (we have first to recover the dry mass at T-DT)
    !
    
         PDRYMASST =  ZDRYMASST  
         IF  ( CCONF /= 'RESTA' ) PDRYMASSS =  0.
    
      ENDIF
    !
    END IF
    DEALLOCATE(ZJ,ZRHOD)
    !
    CALL GO_TOMODEL_ll(KMI, IINFO_ll)
    !
    !-------------------------------------------------------------------------------
    !
    !*      5.   COMPUTE LARGE SCALE SOURCES FOR POTENTIAL TEMPERATURE
    !            -----------------------------------------------------
    !
    !
    
    IGRID = 1
    CALL Compute_LB( PLBXTHM, PLBYTHM, PLBXTHS, PLBYTHS, ZTTHT, ZTIME, ZWORK,                   &
                     PBMX1, PBMX2, PBMX3, PBMX4, PBMY1, PBMY2, PBMY3, PBMY4,                    &
                     PBFX1, PBFX2, PBFX3, PBFX4, PBFY1, PBFY2, PBFY3, PBFY4,                    &
                     IIB, IIE, IJB, IJE, IGRID,                                                 &
                     IDIMX, IDIMY, KDXRATIO, KDYRATIO, HLBCX, HLBCY, KRIMX, KRIMY,              &
                     KKLIN_LBXM, KKLIN_LBYM,                                                    &
                     PCOEFLIN_LBXM, PCOEFLIN_LBYM,                                              &
                     PTH00 = XTH00,                                                             &
                     KKLIN_LBX_RED    = IKLIN_LBXM_RED,    KKLIN_LBY_RED    = IKLIN_LBYM_RED,   &
                     PCOEFLIN_LBX_RED = ZCOEFLIN_LBXM_RED, PCOEFLIN_LBY_RED = ZCOEFLIN_LBYM_RED )
    
    DEALLOCATE(ZTTHT)
    !
    !
    !-------------------------------------------------------------------------------
    !
    !*      6.   COMPUTE LARGE SCALE SOURCES FOR TURBULENT KINETIC ENERGY
    !            --------------------------------------------------------
    !
    IF (SIZE(XTKET,3) == 0 .OR. SIZE(PLBXTKEM,3) == 0) THEN
      PLBXTKES(:,:,:) = 0.                      ! turbulence not activated
      PLBYTKES(:,:,:) = 0.
    ELSE
    
      IGRID = 1
      CALL Compute_LB( PLBXTKEM, PLBYTKEM, PLBXTKES, PLBYTKES, ZTTKET, ZTIME, ZWORK,              &
                       PBMX1, PBMX2, PBMX3, PBMX4, PBMY1, PBMY2, PBMY3, PBMY4,                    &
                       PBFX1, PBFX2, PBFX3, PBFX4, PBFY1, PBFY2, PBFY3, PBFY4,                    &
                       IIB, IIE, IJB, IJE, IGRID,                                                 &
                       IDIMX, IDIMY, KDXRATIO, KDYRATIO, HLBCX, HLBCY, KRIMX, KRIMY,              &
                       KKLIN_LBXM, KKLIN_LBYM,                                                    &
                       PCOEFLIN_LBXM, PCOEFLIN_LBYM,                                              &
                       KKLIN_LBX_RED    = IKLIN_LBXM_RED,    KKLIN_LBY_RED    = IKLIN_LBYM_RED,   &
                       PCOEFLIN_LBX_RED = ZCOEFLIN_LBXM_RED, PCOEFLIN_LBY_RED = ZCOEFLIN_LBYM_RED )
    
      DEALLOCATE(ZTTKET)
    END IF
    !
    !-------------------------------------------------------------------------------
    !
    !*      7.   COMPUTE LARGE SCALE SOURCES FOR MOIST VARIABLES
    !            -----------------------------------------------
    !
    
    IF (IRR == 0) THEN
      PLBXRS(:,:,:,:) = 0.                      ! water cycle not activated
      PLBYRS(:,:,:,:) = 0.
    ELSE
      DO JRR = 1,IRR
    
        IGRID = 1
        CALL Compute_LB( PLBXRM(:,:,:,JRR), PLBYRM(:,:,:,JRR), PLBXRS(:,:,:,JRR), PLBYRS(:,:,:,JRR), &
                         ZTRT(:,:,:,JRR), ZTIME, ZWORK,                                              &
                         PBMX1, PBMX2, PBMX3, PBMX4, PBMY1, PBMY2, PBMY3, PBMY4,                     &
                         PBFX1, PBFX2, PBFX3, PBFX4, PBFY1, PBFY2, PBFY3, PBFY4,                     &
                         IIB, IIE, IJB, IJE, IGRID,                                                  &
                         IDIMX, IDIMY, KDXRATIO, KDYRATIO, HLBCX, HLBCY, KRIMX, KRIMY,               &
                         KKLIN_LBXM, KKLIN_LBYM,                                                     &
                         PCOEFLIN_LBXM, PCOEFLIN_LBYM,                                               &
                         KKLIN_LBX_RED    = IKLIN_LBXM_RED,    KKLIN_LBY_RED    = IKLIN_LBYM_RED,    &
                         PCOEFLIN_LBX_RED = ZCOEFLIN_LBXM_RED, PCOEFLIN_LBY_RED = ZCOEFLIN_LBYM_RED  )
    
      END DO
      DEALLOCATE(ZTRT)
    !
      IF ( SIZE(PLBXRS,1) /= 0 ) PLBXRS(:,:,:,IRR+1:SIZE(PLBXRS,4)) = 0.
      IF ( SIZE(PLBYRS,1) /= 0 ) PLBYRS(:,:,:,IRR+1:SIZE(PLBYRS,4)) = 0.
    !
    END IF
    !
    !-------------------------------------------------------------------------------
    !
    !*      8.   COMPUTE LARGE SCALE SOURCES FOR SCALAR VARIABLES
    !            ------------------------------------------------
    !
    IF (NSV_A(KMI) > 0) THEN
      DO JSV = 1,NSV_A(KMI)
    
        IGRID = 1
        CALL Compute_LB( PLBXSVM(:,:,:,JSV), PLBYSVM(:,:,:,JSV), PLBXSVS(:,:,:,JSV), PLBYSVS(:,:,:,JSV), &
                         ZTSVT(:,:,:,JSV), ZTIME, ZWORK,                                                 &
                         PBMX1, PBMX2, PBMX3, PBMX4, PBMY1, PBMY2, PBMY3, PBMY4,                         &
                         PBFX1, PBFX2, PBFX3, PBFX4, PBFY1, PBFY2, PBFY3, PBFY4,                         &
                         IIB, IIE, IJB, IJE, IGRID,                                                      &
                         IDIMX, IDIMY, KDXRATIO, KDYRATIO, HLBCX, HLBCY, KRIMX, KRIMY,                   &
                         KKLIN_LBXM, KKLIN_LBYM,                                                         &
                         PCOEFLIN_LBXM, PCOEFLIN_LBYM,                                                   &
                         KKLIN_LBX_RED    = IKLIN_LBXM_RED,    KKLIN_LBY_RED    = IKLIN_LBYM_RED,        &
                         PCOEFLIN_LBX_RED = ZCOEFLIN_LBXM_RED, PCOEFLIN_LBY_RED = ZCOEFLIN_LBYM_RED      )
    
      END DO
      DEALLOCATE(ZTSVT)
    ELSE
      PLBXSVS(:,:,:,:) = 0.
      PLBYSVS(:,:,:,:) = 0.
    END IF
    !
    DEALLOCATE(ZWORK)
    DEALLOCATE(ZCOEFLIN_LBXM_RED,ZCOEFLIN_LBYM_RED,IKLIN_LBXM_RED,IKLIN_LBYM_RED)
    !
    !------------------------------------------------------------------------------
    
    CALL GOTO_MODEL(KMI)
    !
    
    END SUBROUTINE ONE_WAY_n
    
    
    
    !#################################################################################
    SUBROUTINE Compute_LB(PLBXM,PLBYM,PLBX,PLBY,PTFIELD,PTIME,PWORK,             &
                          PBMX1,PBMX2,PBMX3,PBMX4,PBMY1,PBMY2,PBMY3,PBMY4,       &
                          PBFX1,PBFX2,PBFX3,PBFX4,PBFY1,PBFY2,PBFY3,PBFY4,       &
                          KIB,KIE,KJB,KJE, KGRID,                                &
                          KDIMX,KDIMY,KDXRATIO,KDYRATIO,HLBCX,HLBCY,KRIMX,KRIMY, &
                          KKLIN_LBX,KKLIN_LBY,                                   &
                          PCOEFLIN_LBX,PCOEFLIN_LBY,                             &
                          PTH00,                                                 &
                          KKLIN_LBX_RED,KKLIN_LBY_RED,                           &
                          PCOEFLIN_LBX_RED,PCOEFLIN_LBY_RED )
    !#################################################################################
    
    use MODE_INI_ONE_WAY_n, only: Compute_ini_LB
    
    IMPLICIT NONE
    
    REAL,    DIMENSION(:,:,:),           INTENT(IN)  :: PLBXM,PLBYM ! Large-scale field at t-dt
    REAL,    DIMENSION(:,:,:),           INTENT(OUT) :: PLBX,PLBY ! source term
    REAL,    DIMENSION(:,:,:),           INTENT(IN)  :: PTFIELD   ! ls forcing array
    REAL,                                INTENT(IN)  :: PTIME     ! Interpolation duration
    REAL,    DIMENSION(:,:,:),           INTENT(OUT) :: PWORK
    ! interpolation coefficients
    REAL,    DIMENSION(:),               INTENT(IN)  :: PBMX1,PBMX2,PBMX3,PBMX4 ! Mass points in X-direc.
    REAL,    DIMENSION(:),               INTENT(IN)  :: PBMY1,PBMY2,PBMY3,PBMY4 ! Mass points in Y-direc.
    REAL,    DIMENSION(:),               INTENT(IN)  :: PBFX1,PBFX2,PBFX3,PBFX4 ! Flux points in X-direc.
    REAL,    DIMENSION(:),               INTENT(IN)  :: PBFY1,PBFY2,PBFY3,PBFY4 ! Flux points in Y-direc.
    INTEGER,                             INTENT(IN)  :: KIB,KIE,KJB,KJE
    INTEGER,                             INTENT(IN)  :: KGRID      ! code of grid point
    INTEGER,                             INTENT(IN)  :: KDIMX, KDIMY
    INTEGER,                             INTENT(IN)  :: KDXRATIO   !  x and y-direction resolution RATIO
    INTEGER,                             INTENT(IN)  :: KDYRATIO   ! between inner model and outer model
    CHARACTER (LEN=4), DIMENSION (2),    INTENT(IN)  :: HLBCX   ! type of lateral
    CHARACTER (LEN=4), DIMENSION (2),    INTENT(IN)  :: HLBCY   ! boundary conditions
    INTEGER,                             INTENT(IN)  :: KRIMX,KRIMY ! size of the RIM area
    INTEGER, DIMENSION(:,:,:),           INTENT(IN)  :: KKLIN_LBX,KKLIN_LBY
    REAL,    DIMENSION(:,:,:),           INTENT(IN)  :: PCOEFLIN_LBX,PCOEFLIN_LBY
    REAL,                      OPTIONAL, INTENT(IN)  :: PTH00 ! reference temperature
    INTEGER, DIMENSION(:,:,:), optional, INTENT(IN)  :: KKLIN_LBX_RED,KKLIN_LBY_RED
    REAL,    DIMENSION(:,:,:), optional, INTENT(in)  :: PCOEFLIN_LBX_RED,PCOEFLIN_LBY_RED
    
    
    CALL Compute_ini_LB( PLBX, PLBY, PTFIELD, PWORK,                                              &
                         PBMX1, PBMX2, PBMX3, PBMX4, PBMY1, PBMY2, PBMY3, PBMY4,                  &
                         PBFX1, PBFX2, PBFX3, PBFX4, PBFY1, PBFY2, PBFY3, PBFY4,                  &
                         KIB, KIE, KJB, KJE, KGRID,                                               &
                         KDIMX, KDIMY, KDXRATIO, KDYRATIO, HLBCX, HLBCY, KRIMX, KRIMY,            &
                         KKLIN_LBX, KKLIN_LBY,                                                    &
                         PCOEFLIN_LBX, PCOEFLIN_LBY,                                              &
                         PTH00 = PTH00,                                                           &
                         KKLIN_LBX_RED    = KKLIN_LBX_RED,    KKLIN_LBY_RED    = KKLIN_LBY_RED,   &
                         PCOEFLIN_LBX_RED = PCOEFLIN_LBX_RED, PCOEFLIN_LBY_RED = PCOEFLIN_LBY_RED )
    PLBX(:,:,:) = (PLBX(:,:,:) - PLBXM(:,:,:)) / PTIME
    PLBY(:,:,:) = (PLBY(:,:,:) - PLBYM(:,:,:)) / PTIME
    
    end SUBROUTINE Compute_LB
    
    end MODULE MODE_ONE_WAY_n