source: LMDZ6/branches/Amaury_dev/libf/phylmd/traclmdz_mod.F90 @ 5151

!$Id $

MODULE traclmdz_mod

  ! In this module all tracers specific to LMDZ are treated. This module is used
  ! only if running without any other chemestry model as INCA or REPROBUS.
  USE lmdz_abort_physic, ONLY: abort_physic
  IMPLICIT NONE

  REAL, DIMENSION(:, :), ALLOCATABLE, SAVE :: masktr   ! Masque reservoir de sol traceur
  !$OMP THREADPRIVATE(masktr)                        ! Masque de l'echange avec la surface (1 = reservoir) ou (possible >= 1 )
  REAL, DIMENSION(:, :), ALLOCATABLE, SAVE :: fshtr    ! Flux surfacique dans le reservoir de sol
  !$OMP THREADPRIVATE(fshtr)
  REAL, DIMENSION(:), ALLOCATABLE, SAVE :: hsoltr   ! Epaisseur equivalente du reservoir de sol
  !$OMP THREADPRIVATE(hsoltr)

  !Radioelements:
  !--------------

  REAL, DIMENSION(:), ALLOCATABLE, SAVE :: tautr    ! Constante de decroissance radioactive
  !$OMP THREADPRIVATE(tautr)
  REAL, DIMENSION(:), ALLOCATABLE, SAVE :: vdeptr   ! Vitesse de depot sec dans la couche Brownienne
  !$OMP THREADPRIVATE(vdeptr)
  REAL, DIMENSION(:), ALLOCATABLE, SAVE :: scavtr   ! Coefficient de lessivage
  !$OMP THREADPRIVATE(scavtr)
  REAL, DIMENSION(:, :), ALLOCATABLE, SAVE :: srcbe    ! Production du beryllium7 dans l atmosphere (U/s/kgA)
  !$OMP THREADPRIVATE(srcbe)

  LOGICAL, DIMENSION(:), ALLOCATABLE, SAVE :: radio    ! radio(it)   = true  => decroisssance radioactive
  !$OMP THREADPRIVATE(radio)

  REAL, DIMENSION(:, :), ALLOCATABLE, SAVE :: trs     ! Conc. radon ds le sol
  !$OMP THREADPRIVATE(trs)

  INTEGER, SAVE :: id_aga      ! Identification number for tracer : Age of stratospheric air
  !$OMP THREADPRIVATE(id_aga)
  INTEGER, SAVE :: lev_1p5km   ! Approximative vertical layer number at 1.5km above surface, used for calculation of the age of air. The result shouldn't be that sensible to the exactness of this value as long as it is in the lower troposphere.
  !$OMP THREADPRIVATE(lev_1p5km)

  INTEGER, SAVE :: id_rn, id_pb ! Identification number for tracer : radon (Rn222), lead (Pb210)
  !$OMP THREADPRIVATE(id_rn, id_pb)

  INTEGER, SAVE :: id_be       ! Activation et position du traceur Be7 [ id_be=0 -> desactive ]
  !$OMP THREADPRIVATE(id_be)

  INTEGER, SAVE :: id_pcsat, id_pcocsat, id_pcq ! traceurs pseudo-vapeur CL qsat, qsat_oc, q
  !$OMP THREADPRIVATE(id_pcsat, id_pcocsat, id_pcq)
  INTEGER, SAVE :: id_pcs0, id_pcos0, id_pcq0   ! traceurs pseudo-vapeur CL qsat, qsat_oc, q
  !                                              ! qui ne sont pas transportes par la convection
  !$OMP THREADPRIVATE(id_pcs0, id_pcos0, id_pcq0)

  INTEGER, SAVE :: id_o3
  !$OMP THREADPRIVATE(id_o3)
  ! index of ozone tracer with Cariolle parameterization
  ! 0 means no ozone tracer

  LOGICAL, SAVE :: rnpb = .FALSE. ! Presence du couple Rn222, Pb210
  !$OMP THREADPRIVATE(rnpb)


CONTAINS

  SUBROUTINE traclmdz_from_restart(trs_in)
    ! This SUBROUTINE initialize the module saved variable trs with values from restart file (startphy.nc).
    ! This SUBROUTINE is called from phyetat0 after the field trs_in has been read.

    USE dimphy
    USE infotrac_phy, ONLY: nbtr

    ! Input argument
    REAL, DIMENSION(klon, nbtr), INTENT(IN) :: trs_in

    ! Local variables
    INTEGER :: ierr

    ! Allocate restart variables trs
    ALLOCATE(trs(klon, nbtr), stat = ierr)
    IF (ierr /= 0) CALL abort_physic('traclmdz_from_restart', 'pb in allocation 1', 1)

    ! Initialize trs with values read from restart file 
    trs(:, :) = trs_in(:, :)

  END SUBROUTINE traclmdz_from_restart


  SUBROUTINE traclmdz_init(pctsrf, xlat, xlon, ftsol, tr_seri, t_seri, pplay, sh, pdtphys, aerosol, lessivage)
    ! This SUBROUTINE allocates and initialize module variables and control variables.
    ! Initialization of the tracers should be done here only for those not found in the restart file.
    USE dimphy
    USE infotrac_phy, ONLY: nbtr, nqtot, tracers, pbl_flg, conv_flg
    USE regr_pr_comb_coefoz_m, ONLY: alloc_coefoz
    USE press_coefoz_m, ONLY: press_coefoz
    USE lmdz_grid_phy
    USE lmdz_phys_para
    USE indice_sol_mod
    USE lmdz_print_control, ONLY: lunout

    ! Input variables
    REAL, DIMENSION(klon, nbsrf), INTENT(IN) :: pctsrf ! Pourcentage de sol f(nature du sol)
    REAL, DIMENSION(klon), INTENT(IN) :: xlat   ! latitudes en degres pour chaque point
    REAL, DIMENSION(klon), INTENT(IN) :: xlon   ! longitudes en degres pour chaque point
    REAL, DIMENSION(klon, nbsrf), INTENT(IN) :: ftsol  ! Temperature du sol (surf)(Kelvin)
    REAL, DIMENSION(klon, klev, nbtr), INTENT(INOUT) :: tr_seri! Concentration Traceur [U/KgA]
    REAL, DIMENSION(klon, klev), INTENT(IN) :: t_seri  ! Temperature
    REAL, DIMENSION(klon, klev), INTENT(IN) :: pplay   ! pression pour le mileu de chaque couche (en Pa)
    REAL, DIMENSION(klon, klev), INTENT(IN) :: sh      ! humidite specifique
    REAL, INTENT(IN) :: pdtphys ! Pas d'integration pour la physique (seconde)

    ! Output variables
    LOGICAL, DIMENSION(nbtr), INTENT(OUT) :: aerosol
    LOGICAL, INTENT(OUT) :: lessivage

    ! Local variables
    INTEGER :: ierr, it, iq, i, k
    REAL, DIMENSION(klon_glo, klev) :: varglo ! variable temporaire sur la grille global
    REAL, DIMENSION(klev) :: mintmp, maxtmp
    LOGICAL :: zero
    ! RomP >>> profil initial Be7
    INTEGER ilesfil
    parameter (ilesfil = 1)
    INTEGER  irr, kradio
    real     beryllium(klon, klev)
    ! profil initial Pb210
    INTEGER ilesfil2
    parameter (ilesfil2 = 1)
    INTEGER  irr2, kradio2
    real     plomb(klon, klev)
    !! RomP <<<
    ! --------------------------------------------
    ! Allocation
    ! --------------------------------------------
    ALLOCATE(scavtr(nbtr), stat = ierr)
    IF (ierr /= 0) CALL abort_physic('traclmdz_init', 'pb in allocation 9', 1)
    scavtr(:) = 1.

    ALLOCATE(radio(nbtr), stat = ierr)
    IF (ierr /= 0) CALL abort_physic('traclmdz_init', 'pb in allocation 11', 1)
    radio(:) = .FALSE.    ! Par defaut pas decroissance radioactive

    ALLOCATE(masktr(klon, nbtr), stat = ierr)
    IF (ierr /= 0) CALL abort_physic('traclmdz_init', 'pb in allocation 2', 1)

    ALLOCATE(fshtr(klon, nbtr), stat = ierr)
    IF (ierr /= 0) CALL abort_physic('traclmdz_init', 'pb in allocation 3', 1)

    ALLOCATE(hsoltr(nbtr), stat = ierr)
    IF (ierr /= 0) CALL abort_physic('traclmdz_init', 'pb in allocation 4', 1)

    ALLOCATE(tautr(nbtr), stat = ierr)
    IF (ierr /= 0) CALL abort_physic('traclmdz_init', 'pb in allocation 5', 1)
    tautr(:) = 0.

    ALLOCATE(vdeptr(nbtr), stat = ierr)
    IF (ierr /= 0) CALL abort_physic('traclmdz_init', 'pb in allocation 6', 1)
    vdeptr(:) = 0.

    lessivage = .TRUE.
    !!jyg(20130206) : le choix d activation du lessivage est fait dans phytrac avec iflag_lscav
    !!    CALL getin('lessivage',lessivage)
    !!    IF(lessivage) THEN
    !!     PRINT*,'lessivage lsc ON'
    !!    else
    !!     PRINT*,'lessivage lsc OFF'
    !!    endif
    aerosol(:) = .FALSE.  ! Tous les traceurs sont des gaz par defaut

    ! Recherche des traceurs connus : Be7, O3, CO2,...
    ! --------------------------------------------
    id_rn = 0; id_pb = 0; id_aga = 0; id_be = 0; id_o3 = 0
    id_pcsat = 0; id_pcocsat = 0; id_pcq = 0; id_pcs0 = 0; id_pcos0 = 0; id_pcq0 = 0
    it = 0
    DO iq = 1, nqtot
      IF(.NOT.(tracers(iq)%isInPhysics)) CYCLE
      it = it + 1
      SELECT CASE(tracers(iq)%name)
      CASE("RN");                  id_rn = it ! radon
      CASE("PB");                  id_pb = it ! plomb
      CASE("Aga", "AGA");           id_aga = it ! Age of stratospheric air
      CASE("Be", "BE", "Be7", "BE7"); id_be = it ! Recherche du Beryllium 7
      CASE("o3", "O3");             id_o3 = it ! Recherche de l'ozone
      CASE("pcsat", "Pcsat");     id_pcsat = it
      CASE("pcocsat", "Pcocsat");   id_pcocsat = it
      CASE("pcq", "Pcq");       id_pcq = it
      CASE("pcs0", "Pcs0");      id_pcs0 = it
      CASE("pcos0", "Pcos0");     id_pcos0 = it
      CASE("pcq0", "Pcq0");      id_pcq0 = it
      CASE DEFAULT
        WRITE(lunout, *) 'This is an unknown tracer in LMDZ : ', trim(tracers(iq)%name)
      END SELECT

      SELECT CASE(tracers(iq)%name)
      CASE("PB")                        !--- RomP >>> profil initial de PB210
        OPEN(ilesfil2, file = 'prof.pb210', status = 'old', iostat = irr2)
        IF(irr2 == 0) THEN
          READ(ilesfil2, *) kradio2
          WRITE(lunout, *)'number of levels for pb210 profile ', kradio2
          DO k = kradio2, 1, -1; READ (ilesfil2, *) plomb(:, k);
          END DO
          CLOSE(ilesfil2)
          tr_seri(:, :, id_pb) = plomb(:, :)
        ELSE
          WRITE(lunout, *)'prof.pb210 does not exist: use restart values'
        END IF
      CASE("Aga", "AGA")
        radio(id_aga) = .FALSE.
        aerosol(id_aga) = .FALSE.
        pbl_flg(id_aga) = 0
        ! Find the first model layer above 1.5km from the surface
        IF (klev>=30) THEN
          lev_1p5km = 6                  !--- NB: This value is for klev=39
        ELSE IF (klev>=10) THEN
          lev_1p5km = 5                  !--- NB: This value is for klev=19
        ELSE
          lev_1p5km = klev / 2
        END IF
      CASE("Be", "BE", "Be7", "BE7")
        ALLOCATE(srcbe(klon, klev))
        radio(id_be) = .TRUE.
        aerosol(id_be) = .TRUE.         !--- Le Be est un aerosol
        CALL init_be(pctsrf, pplay, masktr(:, id_be), tautr(id_be), vdeptr(id_be), scavtr(id_be), srcbe)
        WRITE(lunout, *) 'Initialisation srcBe: OK'
        !--- RomP >>> profil initial de Be7
        OPEN(ilesfil, file = 'prof.be7', status = 'old', iostat = irr)
        IF(irr == 0) THEN
          READ(ilesfil, *) kradio
          WRITE(lunout, *)'number of levels for Be7 profile ', kradio
          DO k = kradio, 1, -1; READ(ilesfil, *) beryllium(:, k);
          END DO
          CLOSE(ilesfil)
          tr_seri(:, :, id_be) = beryllium(:, :)
        ELSE
          WRITE(lunout, *)'Prof. Be7 does not exist: use restart values'
        END IF
      CASE("o3", "O3")                    !--- Parametrisation par la chimie de Cariolle
        CALL alloc_coefoz                !--- Allocate ozone coefficients
        CALL press_coefoz                !--- Read input pressure levels
      CASE("pcs0", "Pcs0", "pcos0", "Pcos0", "pcq0", "Pcq0")
        conv_flg(it) = 0                   !--- No transport by convection for this tracer
      END SELECT
    END DO

    ! Valeurs specifiques pour les traceurs Rn222 et Pb210
    ! ----------------------------------------------
    IF (id_rn/=0 .AND. id_pb/=0) THEN
      rnpb = .TRUE.
      radio(id_rn) = .TRUE.
      radio(id_pb) = .TRUE.
      pbl_flg(id_rn) = 0 ! au lieu de clsol=true ! CL au sol calcule
      pbl_flg(id_pb) = 0 ! au lieu de clsol=true
      aerosol(id_rn) = .FALSE.
      aerosol(id_pb) = .TRUE. ! le Pb est un aerosol

      CALL initrrnpb (ftsol, pctsrf, masktr, fshtr, hsoltr, tautr, vdeptr, scavtr)
    END IF

    ! Check if all tracers have restart values
    ! ----------------------------------------------
    it = 0
    DO iq = 1, nqtot
      IF(.NOT.(tracers(iq)%isAdvected .AND. tracers(iq)%isInPhysics)) CYCLE
      it = it + 1
      ! Test if tracer is zero everywhere.
      ! Done by master process MPI and master thread OpenMP
      CALL gather(tr_seri(:, :, it), varglo)
      IF (is_mpi_root .AND. is_omp_root) THEN
        mintmp = MINVAL(varglo, dim = 1)
        maxtmp = MAXVAL(varglo, dim = 1)
        IF (MINVAL(mintmp, dim = 1)==0. .AND. MAXVAL(maxtmp, dim = 1)==0.) THEN
          ! Tracer is zero everywhere
          zero = .TRUE.
        ELSE
          zero = .FALSE.
        END IF
      END IF

      ! Distribute variable at all processes
      CALL bcast(zero)

      ! Initalize tracer that was not found in restart file.
      IF (zero) THEN
        ! The tracer was not found in restart file or it was equal zero everywhere.
        WRITE(lunout, *) "The tracer ", trim(tracers(iq)%name), " will be initialized"
        IF (it==id_pcsat .OR. it==id_pcq .OR. &
                it==id_pcs0 .OR. it==id_pcq0) THEN
          tr_seri(:, :, it) = 100.
        ELSE IF (it==id_pcocsat .OR. it==id_pcos0) THEN
          DO i = 1, klon
            IF (pctsrf (i, is_oce) == 0.) THEN
              tr_seri(i, :, it) = 0.
            ELSE
              tr_seri(i, :, it) = 100.
            END IF
          END DO
        ELSE
          ! No specific initialization exist for this tracer
          tr_seri(:, :, it) = 0.
        END IF
      END IF
    END DO

  END SUBROUTINE traclmdz_init

  SUBROUTINE traclmdz(nstep, julien, gmtime, pdtphys, t_seri, paprs, pplay, &
          cdragh, coefh, yu1, yv1, ftsol, pctsrf, xlat, xlon, couchelimite, sh, &
          rh, pphi, ustar, wstar, ale_bl, ale_wake, zu10m, zv10m, &
          tr_seri, source, d_tr_cl, d_tr_dec, zmasse)               !RomP

    USE dimphy
    USE infotrac_phy, ONLY: nbtr, pbl_flg
    USE lmdz_strings, ONLY: int2str
    USE regr_pr_comb_coefoz_m, ONLY: regr_pr_comb_coefoz
    USE o3_chem_m, ONLY: o3_chem
    USE indice_sol_mod
    USE lmdz_q_sat, ONLY: q_sat
    USE lmdz_yomcst

    IMPLICIT NONE

    !==========================================================================
    !                   -- DESCRIPTION DES ARGUMENTS --
    !==========================================================================

    ! Input arguments

    !Configuration grille,temps:
    INTEGER, INTENT(IN) :: nstep      ! nombre d'appels de la physiq
    INTEGER, INTENT(IN) :: julien     ! Jour julien
    REAL, INTENT(IN) :: gmtime
    REAL, INTENT(IN) :: pdtphys    ! Pas d'integration pour la physique (seconde)
    REAL, DIMENSION(klon), INTENT(IN) :: xlat    ! latitudes pour chaque point
    REAL, INTENT(IN) :: xlon(:) ! dim(klon) longitude

    !Physique:
    !--------
    REAL, DIMENSION(klon, klev), INTENT(IN) :: t_seri  ! Temperature
    REAL, DIMENSION(klon, klev + 1), INTENT(IN) :: paprs   ! pression pour chaque inter-couche (en Pa)
    REAL, DIMENSION(klon, klev), INTENT(IN) :: pplay   ! pression pour le mileu de chaque couche (en Pa)
    REAL, INTENT(IN) :: zmasse (:, :)   ! dim(klon,klev) density of air, in kg/m2


    !Couche limite:
    !--------------

    REAL, DIMENSION(klon), INTENT(IN) :: cdragh     ! coeff drag pour T et Q
    REAL, DIMENSION(klon, klev), INTENT(IN) :: coefh      ! coeff melange CL (m**2/s)
    REAL, DIMENSION(klon), INTENT(IN) :: yu1        ! vents au premier niveau
    REAL, DIMENSION(klon), INTENT(IN) :: yv1        ! vents au premier niveau
    LOGICAL, INTENT(IN) :: couchelimite
    REAL, DIMENSION(klon, klev), INTENT(IN) :: sh         ! humidite specifique
    REAL, DIMENSION(klon, klev), INTENT(IN) :: rh      ! Humidite relative
    REAL, DIMENSION(klon, klev), INTENT(IN) :: pphi    ! geopotentie
    REAL, DIMENSION(klon), INTENT(IN) :: ustar   ! ustar (m/s)
    REAL, DIMENSION(klon), INTENT(IN) :: wstar, ale_bl, ale_wake   ! wstar (m/s) and Avail. Lifti. Energ.
    REAL, DIMENSION(klon), INTENT(IN) :: zu10m   ! vent zonal 10m (m/s)
    REAL, DIMENSION(klon), INTENT(IN) :: zv10m   ! vent zonal 10m (m/s)

    ! Arguments necessaires pour les sources et puits de traceur:
    REAL, DIMENSION(klon, nbsrf), INTENT(IN) :: ftsol  ! Temperature du sol (surf)(Kelvin)
    REAL, DIMENSION(klon, nbsrf), INTENT(IN) :: pctsrf ! Pourcentage de sol f(nature du sol)

    ! InOutput argument
    REAL, DIMENSION(klon, klev, nbtr), INTENT(INOUT) :: tr_seri ! Concentration Traceur [U/KgA]

    ! Output argument
    REAL, DIMENSION(klon, nbtr), INTENT(OUT) :: source  ! a voir lorsque le flux de surface est prescrit
    REAL, DIMENSION(klon, klev, nbtr), INTENT(OUT) :: d_tr_cl ! Td couche limite/traceur

    !=======================================================================================
    !                        -- VARIABLES LOCALES TRACEURS --
    !=======================================================================================

    INTEGER :: i, k, it
    INTEGER :: lmt_pas ! number of time steps of "physics" per day

    REAL, DIMENSION(klon) :: d_trs    ! Td dans le reservoir
    REAL, DIMENSION(klon, klev) :: qsat     ! pression de la vapeur a saturation
    REAL, DIMENSION(klon, klev, nbtr) :: d_tr_dec ! Td radioactive
    REAL :: zrho     ! Masse Volumique de l'air KgA/m3
    REAL :: amn, amx

    !=================================================================
    !  Ajout de la production en  Be7 (Beryllium) srcbe U/s/kgA
    !=================================================================

    IF (id_be /= 0) THEN
      DO k = 1, klev
        DO i = 1, klon
          tr_seri(i, k, id_be) = tr_seri(i, k, id_be) + srcbe(i, k) * pdtphys
        END DO
      END DO
      WRITE(*, *) 'Ajout srcBe dans tr_seri: OK'
    END IF


    !=================================================================
    ! Update pseudo-vapor tracers
    !=================================================================

    CALL q_sat(klon * klev, t_seri, pplay, qsat)

    IF (id_pcsat /= 0) THEN
      DO k = 1, klev
        DO i = 1, klon
          IF (pplay(i, k)>=85000.) THEN
            tr_seri(i, k, id_pcsat) = qsat(i, k)
          ELSE
            tr_seri(i, k, id_pcsat) = MIN (qsat(i, k), tr_seri(i, k, id_pcsat))
          END IF
        END DO
      END DO
    END IF

    IF (id_pcocsat /= 0) THEN
      DO k = 1, klev
        DO i = 1, klon
          IF (pplay(i, k)>=85000.) THEN
            IF (pctsrf (i, is_oce) > 0.) THEN
              tr_seri(i, k, id_pcocsat) = qsat(i, k)
            ELSE
              tr_seri(i, k, id_pcocsat) = 0.
            END IF
          ELSE
            tr_seri(i, k, id_pcocsat) = MIN (qsat(i, k), tr_seri(i, k, id_pcocsat))
          END IF
        END DO
      END DO
    END IF

    IF (id_pcq /= 0) THEN
      DO k = 1, klev
        DO i = 1, klon
          IF (pplay(i, k)>=85000.) THEN
            tr_seri(i, k, id_pcq) = sh(i, k)
          ELSE
            tr_seri(i, k, id_pcq) = MIN (qsat(i, k), tr_seri(i, k, id_pcq))
          END IF
        END DO
      END DO
    END IF

    IF (id_pcs0 /= 0) THEN
      DO k = 1, klev
        DO i = 1, klon
          IF (pplay(i, k)>=85000.) THEN
            tr_seri(i, k, id_pcs0) = qsat(i, k)
          ELSE
            tr_seri(i, k, id_pcs0) = MIN (qsat(i, k), tr_seri(i, k, id_pcs0))
          END IF
        END DO
      END DO
    END IF

    IF (id_pcos0 /= 0) THEN
      DO k = 1, klev
        DO i = 1, klon
          IF (pplay(i, k)>=85000.) THEN
            IF (pctsrf (i, is_oce) > 0.) THEN
              tr_seri(i, k, id_pcos0) = qsat(i, k)
            ELSE
              tr_seri(i, k, id_pcos0) = 0.
            END IF
          ELSE
            tr_seri(i, k, id_pcos0) = MIN (qsat(i, k), tr_seri(i, k, id_pcos0))
          END IF
        END DO
      END DO
    END IF

    IF (id_pcq0 /= 0) THEN
      DO k = 1, klev
        DO i = 1, klon
          IF (pplay(i, k)>=85000.) THEN
            tr_seri(i, k, id_pcq0) = sh(i, k)
          ELSE
            tr_seri(i, k, id_pcq0) = MIN (qsat(i, k), tr_seri(i, k, id_pcq0))
          END IF
        END DO
      END DO
    END IF

    !=================================================================
    ! Update tracer : Age of stratospheric air
    !=================================================================
    IF (id_aga/=0) THEN

      ! Bottom layers
      DO k = 1, lev_1p5km
        tr_seri(:, k, id_aga) = 0.0
      END DO

      ! Layers above 1.5km
      DO k = lev_1p5km + 1, klev - 1
        tr_seri(:, k, id_aga) = tr_seri(:, k, id_aga) + pdtphys
      END DO

      ! Top layer
      tr_seri(:, klev, id_aga) = tr_seri(:, klev - 1, id_aga)

    END IF

    !======================================================================
    !     -- Calcul de l'effet de la couche limite --
    !======================================================================

    IF (couchelimite) THEN
      source(:, :) = 0.0

      IF (id_be /=0) THEN
        DO i = 1, klon
          zrho = pplay(i, 1) / t_seri(i, 1) / RD
          source(i, id_be) = - vdeptr(id_be) * tr_seri(i, 1, id_be) * zrho
        END DO
      END IF

    END IF

    DO it = 1, nbtr
      IF (couchelimite .AND. pbl_flg(it) == 0 .AND. (it==id_rn .OR. it==id_pb)) THEN
        ! couche limite avec quantite dans le sol calculee
        CALL cltracrn(it, pdtphys, yu1, yv1, &
                cdragh, coefh, t_seri, ftsol, pctsrf, &
                tr_seri(:, :, it), trs(:, it), &
                paprs, pplay, zmasse * rg, &
                masktr(:, it), fshtr(:, it), hsoltr(it), &
                tautr(it), vdeptr(it), &
                xlat, d_tr_cl(:, :, it), d_trs)

        DO k = 1, klev
          DO i = 1, klon
            tr_seri(i, k, it) = tr_seri(i, k, it) + d_tr_cl(i, k, it)
          END DO
        END DO

        ! Traceur dans le reservoir sol
        DO i = 1, klon
          trs(i, it) = trs(i, it) + d_trs(i)
        END DO
      END IF
    END DO


    !======================================================================
    !   Calcul de l'effet du puits radioactif
    !======================================================================
    CALL radio_decay (radio, rnpb, pdtphys, tautr, tr_seri, d_tr_dec)

    DO it = 1, nbtr
      IF(radio(it)) THEN
        DO k = 1, klev
          DO i = 1, klon
            tr_seri(i, k, it) = tr_seri(i, k, it) + d_tr_dec(i, k, it)
          END DO
        END DO
        CALL minmaxqfi(tr_seri(:, :, it), 0., 1.e33, 'puits rn it=' // TRIM(int2str(it)))
      END IF
    END DO

    !======================================================================
    !   Parameterization of ozone chemistry
    !======================================================================

    IF (id_o3 /= 0) THEN
      lmt_pas = NINT(86400. / pdtphys)
      IF (MOD(nstep - 1, lmt_pas) == 0) THEN
        ! Once per day, update the coefficients for ozone chemistry:
        CALL regr_pr_comb_coefoz(julien, xlat, paprs, pplay)
      END IF
      CALL o3_chem(julien, gmtime, t_seri, zmasse, pdtphys, xlat, &
              xlon, tr_seri(:, :, id_o3))
    END IF

  END SUBROUTINE traclmdz


  SUBROUTINE traclmdz_to_restart(trs_out)
    ! This SUBROUTINE is called from phyredem.F where the module
    ! variable trs is written to restart file (restartphy.nc)
    USE dimphy
    USE infotrac_phy, ONLY: nbtr

    REAL, DIMENSION(klon, nbtr), INTENT(OUT) :: trs_out
    INTEGER :: ierr

    IF (ALLOCATED(trs)) THEN
      trs_out(:, :) = trs(:, :)
    ELSE
      ! No previous allocate of trs. This is the case for create_etat0_limit.
      trs_out(:, :) = 0.0
    END IF

  END SUBROUTINE traclmdz_to_restart


END MODULE traclmdz_mod