! $Id: fluxstokenc.F90 5159 2024-08-02 19:58:25Z evignon $

SUBROUTINE fluxstokenc(pbaru, pbarv, masse, teta, phi, phis, &
        time_step, itau)
  ! This routine is designed to work with ioipsl

  USE IOIPSL
  USE lmdz_iniprint, ONLY: lunout, prt_level
  USE lmdz_ssum_scopy, ONLY: scopy
  USE lmdz_comgeom
  USE lmdz_tracstoke
  USE lmdz_groupe, ONLY: groupe


  ! Auteur :  F. Hourdin
  !cc   ..   Modif. P. Le Van  ( 20/12/97 )  ...

USE lmdz_dimensions, ONLY: iim, jjm, llm, ndm
  USE lmdz_paramet
  IMPLICIT NONE




  REAL :: time_step, t_wrt, t_ops
  REAL :: pbaru(ip1jmp1, llm), pbarv(ip1jm, llm)
  REAL :: masse(ip1jmp1, llm), teta(ip1jmp1, llm), phi(ip1jmp1, llm)
  REAL :: phis(ip1jmp1)

  REAL :: pbaruc(ip1jmp1, llm), pbarvc(ip1jm, llm)
  REAL :: massem(ip1jmp1, llm), tetac(ip1jmp1, llm), phic(ip1jmp1, llm)

  REAL :: pbarug(ip1jmp1, llm), pbarvg(iip1, jjm, llm), wg(ip1jmp1, llm)

  REAL :: pbarvst(iip1, jjp1, llm), zistdyn
  REAL :: dtcum

  INTEGER :: iadvtr, ndex(1)
  INTEGER :: nscal
  REAL :: tst(1), ist(1), istp(1)
  INTEGER :: ij, l, irec, i, j, itau
  INTEGER, SAVE :: fluxid, fluxvid, fluxdid

  SAVE iadvtr, massem, pbaruc, pbarvc, irec
  SAVE phic, tetac
  LOGICAL :: first
  save first
  data first/.TRUE./
  DATA iadvtr/0/


  ! AC initialisations
  pbarug(:, :) = 0.
  pbarvg(:, :, :) = 0.
  wg(:, :) = 0.

  IF(first) THEN
    CALL initfluxsto('fluxstoke', &
            time_step, istdyn * time_step, istdyn * time_step, &
            fluxid, fluxvid, fluxdid)

    ndex(1) = 0
    CALL histwrite(fluxid, 'phis', 1, phis, iip1 * jjp1, ndex)
    CALL histwrite(fluxid, 'aire', 1, aire, iip1 * jjp1, ndex)

    ndex(1) = 0
    nscal = 1
    tst(1) = time_step
    CALL histwrite(fluxdid, 'dtvr', 1, tst, nscal, ndex)
    ist(1) = istdyn
    CALL histwrite(fluxdid, 'istdyn', 1, ist, nscal, ndex)
    istp(1) = istphy
    CALL histwrite(fluxdid, 'istphy', 1, istp, nscal, ndex)

    first = .FALSE.

  ENDIF

  IF(iadvtr==0) THEN
    phic(:, :) = 0
    tetac(:, :) = 0
    pbaruc(:, :) = 0
    pbarvc(:, :) = 0
  ENDIF

  !   accumulation des flux de masse horizontaux
  DO l = 1, llm
    DO ij = 1, ip1jmp1
      pbaruc(ij, l) = pbaruc(ij, l) + pbaru(ij, l)
      tetac(ij, l) = tetac(ij, l) + teta(ij, l)
      phic(ij, l) = phic(ij, l) + phi(ij, l)
    ENDDO
    DO ij = 1, ip1jm
      pbarvc(ij, l) = pbarvc(ij, l) + pbarv(ij, l)
    ENDDO
  ENDDO

  !   selection de la masse instantannee des mailles avant le transport.
  IF(iadvtr==0) THEN
    CALL SCOPY(ip1jmp1 * llm, masse, 1, massem, 1)
  ENDIF

  iadvtr = iadvtr + 1


  !   Test pour savoir si on advecte a ce pas de temps
  IF (iadvtr==istdyn) THEN
    !    normalisation
    DO l = 1, llm
      DO ij = 1, ip1jmp1
        pbaruc(ij, l) = pbaruc(ij, l) / REAL(istdyn)
        tetac(ij, l) = tetac(ij, l) / REAL(istdyn)
        phic(ij, l) = phic(ij, l) / REAL(istdyn)
      ENDDO
      DO ij = 1, ip1jm
        pbarvc(ij, l) = pbarvc(ij, l) / REAL(istdyn)
      ENDDO
    ENDDO

    !   traitement des flux de masse avant advection.
    ! 1. calcul de w
    ! 2. groupement des mailles pres du pole.

    CALL groupe(pbaruc, pbarvc, pbarug, pbarvg, wg)

    DO l = 1, llm
      DO j = 1, jjm
        DO i = 1, iip1
          pbarvst(i, j, l) = pbarvg(i, j, l)
        enddo
      enddo
      DO i = 1, iip1
        pbarvst(i, jjp1, l) = 0.
      enddo
    enddo

    iadvtr = 0
    WRITE(lunout, *)'ITAU auquel on stoke les fluxmasses', itau

    CALL histwrite(fluxid, 'masse', itau, massem, &
            iip1 * jjp1 * llm, ndex)

    CALL histwrite(fluxid, 'pbaru', itau, pbarug, &
            iip1 * jjp1 * llm, ndex)

    CALL histwrite(fluxvid, 'pbarv', itau, pbarvg, &
            iip1 * jjm * llm, ndex)

    CALL histwrite(fluxid, 'w', itau, wg, &
            iip1 * jjp1 * llm, ndex)

    CALL histwrite(fluxid, 'teta', itau, tetac, &
            iip1 * jjp1 * llm, ndex)

    CALL histwrite(fluxid, 'phi', itau, phic, &
            iip1 * jjp1 * llm, ndex)

    !

  ENDIF ! if iadvtr.EQ.istdyn

END SUBROUTINE fluxstokenc