! This SUBROUTINE calculates the emissions of BLACK CARBON and ORGANIC
! MATTER
SUBROUTINE finemission(zdz, pdtphys, zalt, kminbc, kmaxbc, &
        scale_param_bb, scale_param_ff, &
        iregion_ind, iregion_bb, &
        nbreg_ind, nbreg_bb, &
        lmt_bcff, lmt_bcnff, lmt_bcbb_l, lmt_bcbb_h, &
        lmt_bcba, lmt_omff, lmt_omnff, lmt_ombb_l, &
        lmt_ombb_h, lmt_omnat, lmt_omba, id_fine, &
        flux_sparam_bb, flux_sparam_ff, &
        source_tr, flux_tr, tr_seri)

  USE dimphy
  USE indice_sol_mod
  USE lmdz_infotrac
  ! USE lmdz_phytracr_spl, ONLY: nbreg_dust, nbreg_ind, nbreg_bb
  USE lmdz_yomcst

USE lmdz_dimensions, ONLY: iim, jjm, llm, ndm
  USE lmdz_paramet
USE lmdz_chem, ONLY: idms, iso2, iso4, ih2s, idmso, imsa, ih2o2, &
          n_avogadro, masse_s, masse_so4, rho_water, rho_ice
  IMPLICIT NONE





  INTEGER :: i, k, kminbc, kmaxbc
  !============================= INPUT ===================================
  REAL :: pdtphys  ! pas d'integration pour la physique (seconde)
  REAL :: zalt(klon, klev)
  REAL :: zdz(klon, klev)

  !------------------------- Scaling Parameters --------------------------

  INTEGER :: nbreg_ind, nbreg_bb
  INTEGER :: iregion_ind(klon)  !Defines regions for SO2, BC & OM
  INTEGER :: iregion_bb(klon)   !Defines regions for SO2, BC & OM
  REAL :: scale_param_bb(nbreg_bb) !Scaling parameter for biomas burning
  REAL :: scale_param_ff(nbreg_ind) !Scaling parameter for industrial emissions (fossil fuel)
  INTEGER :: id_fine
  !============================= OUTPUT ==================================
  REAL :: source_tr(klon, nbtr)
  REAL :: flux_tr(klon, nbtr)
  REAL :: tr_seri(klon, klev, nbtr) ! traceur
  REAL :: flux_sparam_bb(klon), flux_sparam_ff(klon)
  !========================= LOCAL VARIABLES =============================
  REAL :: zzdz
  !------------------------- BLACK CARBON emissions ----------------------
  REAL :: lmt_bcff(klon)       ! emissions de BC fossil fuels
  REAL :: lmt_bcnff(klon)      ! emissions de BC non-fossil fuels
  REAL :: lmt_bcbb_l(klon)     ! emissions de BC biomass basses
  REAL :: lmt_bcbb_h(klon)     ! emissions de BC biomass hautes
  REAL :: lmt_bcba(klon)       ! emissions de BC bateau
  !------------------------ ORGANIC MATTER emissions ---------------------
  REAL :: lmt_omff(klon)     ! emissions de OM fossil fuels
  REAL :: lmt_omnff(klon)    ! emissions de OM non-fossil fuels
  REAL :: lmt_ombb_l(klon)   ! emissions de OM biomass basses
  REAL :: lmt_ombb_h(klon)   ! emissions de OM biomass hautes
  REAL :: lmt_omnat(klon)    ! emissions de OM Natural
  REAL :: lmt_omba(klon)     ! emissions de OM bateau

  EXTERNAL condsurfc
  !========================================================================
  ! LOW LEVEL EMISSIONS
  !========================================================================

  ! corresponds to bc_source.EQ.3

  DO i = 1, klon
    IF (iregion_ind(i)>0) THEN
      IF(id_fine>0)    source_tr(i, id_fine) = source_tr(i, id_fine) + &
              (scale_param_ff(iregion_ind(i)) * lmt_bcff(i) + & !g/m2/s
                      scale_param_ff(iregion_ind(i)) * lmt_omff(i) &
                      ) * 1.e4                        !g/m2/s

      IF(id_fine>0)     flux_tr(i, id_fine) = flux_tr(i, id_fine) + &
              (scale_param_ff(iregion_ind(i)) * lmt_bcff(i) + & !mg/m2/s
                      scale_param_ff(iregion_ind(i)) * lmt_omff(i) &
                      ) * 1.e4 * 1.e3                  !mg/m2/s

      flux_sparam_ff(i) = flux_sparam_ff(i) + &
              scale_param_ff(iregion_ind(i)) * &
                      (lmt_bcff(i) + lmt_omff(i)) &
                      * 1.e4 * 1.e3
    ENDIF
    IF (iregion_bb(i)>0) THEN
      IF(id_fine>0)    source_tr(i, id_fine) = source_tr(i, id_fine) + &
              (scale_param_bb(iregion_bb(i)) * lmt_bcbb_l(i) + & !g/m2/s
                      scale_param_bb(iregion_bb(i)) * lmt_ombb_l(i) & !g/m2/s
                      ) * 1.e4                        !g/m2/s

      IF(id_fine>0)    flux_tr(i, id_fine) = flux_tr(i, id_fine) + &
              (scale_param_bb(iregion_bb(i)) * lmt_bcbb_l(i) + & !mg/m2/s
                      scale_param_bb(iregion_bb(i)) * lmt_ombb_l(i) + & !mg/m2/s
                      scale_param_bb(iregion_bb(i)) * lmt_bcbb_h(i) + & !mg/m2/s
                      scale_param_bb(iregion_bb(i)) * lmt_ombb_h(i) & !mg/m2/s
                      ) * 1.e4 * 1.e3                  !mg/m2/s

      flux_sparam_bb(i) = flux_sparam_bb(i) + &
              scale_param_bb(iregion_bb(i)) * (lmt_bcbb_l(i) + &
                      lmt_bcbb_h(i) + lmt_ombb_l(i) + lmt_ombb_h(i)) &
                      * 1.e4 * 1.e3
    ENDIF
    IF(id_fine>0)  source_tr(i, id_fine) = source_tr(i, id_fine) + &
            (lmt_bcnff(i) + lmt_bcba(i) + lmt_omnff(i) + &
                    lmt_omnat(i) + lmt_omba(i)) * 1.e4           !g/m2/s

    IF(id_fine>0)  flux_tr(i, id_fine) = flux_tr(i, id_fine) + &
            (lmt_bcnff(i) + lmt_omnff(i) + lmt_omnat(i) + &
                    lmt_omba(i) + lmt_bcba(i)) * 1.e4 * 1.e3      !mg/m2/s

    flux_sparam_ff(i) = flux_sparam_ff(i) + &
            (lmt_omba(i) + lmt_bcba(i)) * 1.e4 * 1.e3
  ENDDO

  !========================================================================
  ! HIGH LEVEL EMISSIONS
  !========================================================================

  !  Sources hautes de BC/OM


  ! HIGH LEVEL EMISSIONS OF SO2 ARE IN PRECUREMISSION.F

  k = 2                             !introducing emissions in level 2
  !nhl      DO i = 1, klon

  !nhl      tr_seri(i,k,id_fine)=tr_seri(i,k,id_fine)+scale_param_ff(iregion_ind(i))*
  !nhl     .               (lmt_bcff_h(i)+lmt_omff_h(i))/zdz(i,k)/100.*pdtphys

  !nhl      ENDDO

  DO k = kminbc, kmaxbc
    DO i = 1, klon
      zzdz = zalt(i, kmaxbc + 1) - zalt(i, kminbc)

      IF (iregion_bb(i) >0) THEN
        IF(id_fine>0)   tr_seri(i, k, id_fine) = tr_seri(i, k, id_fine) + &
                (scale_param_bb(iregion_bb(i)) * lmt_bcbb_h(i) + &
                        scale_param_bb(iregion_bb(i)) * lmt_ombb_h(i)) &
                        / zzdz / 100. * pdtphys
      ENDIF

    ENDDO
  ENDDO

END SUBROUTINE finemission