!
! $Id: fluxstokenc.f90 5285 2024-10-28 13:33:29Z jyg $
!
SUBROUTINE fluxstokenc(pbaru,pbarv,masse,teta,phi,phis, &
        time_step,itau )
  ! This routine is designed to work with ioipsl

   USE iniprint_mod_h
  USE comgeom_mod_h
  USE IOIPSL
  !
  ! Auteur :  F. Hourdin
  !
  !
  !cc   ..   Modif. P. Le Van  ( 20/12/97 )  ...
  !
  USE tracstoke_mod_h
  USE dimensions_mod, ONLY: iim, jjm, llm, ndm
USE paramet_mod_h
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.EQ.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.EQ.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.EQ.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( massem, 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



  RETURN
END SUBROUTINE fluxstokenc