!!----------------------------------------------------------------------
   !!                    ***  trcini.cfc.h90 ***
   !!----------------------------------------------------------------------
   !! * Module variables
   INTEGER  ::  &
      inum                   ! unit number
   CHARACTER (len=34) :: &
      clname = 'cfc1112.atm' ! ???
   REAL(wp) ::  &
      ylats = -10.,    &     ! 10 degrees south
      ylatn =  10.           ! 10 degrees north

CONTAINS

   SUBROUTINE trc_ini
      !!---------------------------------------------------------------------
      !!                     ***  trcini.cfc.h90  ***  
      !!
      !!   Purpose : special initialization for cfc model
      !!  ---------
      !!
      !!
      !! History :
      !!   8.2  !  04-06  (JC. Dutay)  original code
      !!   8.5  !  05-03  (O. Aumont and A. El Moussaoui F90
      !!   9.0  !  05-10  (C. Ethe) Modularity 
      !!---------------------------------------------------------------------
      !!  TOP 1.0 , LOCEAN-IPSL (2005) 
   !! $Header$ 
   !! This software is governed by the CeCILL licence see modipsl/doc/NEMO_CeCILL.txt 
      !!---------------------------------------------------------------------
      !! Local declarations
      INTEGER  :: ji, jj, jn, jl, jm
      REAL(wp) :: zyy,  zyd

   
      !
      ! Initialization of boundaries conditions
      ! --------------------------------------- 

      pp_cfc(:,:,:) = 0.0
      qtr  (:,:,:) = 0.0
      xphem(:,:  ) = 0.0

 
      DO jn = 1, jptra
         DO jm = 1, jphem
            DO jl = 1, jpyear
               p_cfc(jl,jm,jn) = 0.0
            END DO
         END DO
      ENDDO
      
      
      ! Initialization of qint in case of  no restart 
      !----------------------------------------------
      IF( .NOT. lrsttr ) THEN    
         IF(lwp) THEN
            WRITE(numout,*)
            WRITE(numout,*) 'Initialization de qint ; No restart : qint equal zero '
         ENDIF
         DO jn = 1, jptra
            DO jj = 1, jpj
               DO ji = 1, jpi
                  qint(ji,jj,jn) = 0.
               END DO
            END DO
         ENDDO
      ENDIF


      !
      !   READ CFC partial pressure atmospheric value :
      !     p11(year,nt) = PCFC11  in northern (1) and southern (2) hemisphere 
      !     p12(year,nt) = PCFC12  in northern (1) and southern (2) hemisphere 
      !--------------------------------------------------------------------

      IF(lwp) WRITE(numout,*) 'read of formatted file cfc1112atm'
      
      CALL ctlopn( inum, clname, 'OLD', 'FORMATTED', 'SEQUENTIAL',   &
         &           1, numout, .FALSE., 1 )
      REWIND(inum)
      

      ! Skip over 1st six descriptor lines
      !-----------------------------------
      DO jm = 1, 6
         READ(inum,'(1x)')
      END DO
   
   
      !   Read file
      ! ---------
      DO jn = 31, 98
         READ(inum,*) zyy, p_cfc(jn,1,jp11), p_cfc(jn,1,jp12), &
            &              p_cfc(jn,2,jp11), p_cfc(jn,2,jp12)
         WRITE(numout,'(f7.2, 4f8.2)' ) &
            &         zyy, p_cfc(jn,1,jp11), p_cfc(jn,1,jp12), &
            &              p_cfc(jn,2,jp11), p_cfc(jn,2,jp12)
      END DO

      p_cfc(32,1:2,jp11) = 5.e-4
      p_cfc(33,1:2,jp11) = 8.e-4
      p_cfc(34,1:2,jp11) = 1.e-6
      p_cfc(35,1:2,jp11) = 2.e-3
      p_cfc(36,1:2,jp11) = 4.e-3
      p_cfc(37,1:2,jp11) = 6.e-3
      p_cfc(38,1:2,jp11) = 8.e-3
      p_cfc(39,1:2,jp11) = 1.e-2
      
      
      IF(lwp) THEN
         WRITE(numout,*)
         WRITE(numout,*) ' Year   p11HN    p11HS    p12HN    p12HS '
         DO jn = 30, 100
            WRITE(numout, '( 1I4, 4F9.2)')   &
               &         jn, p_cfc(jn,1,jp11), p_cfc(jn,2,jp11), &
               &             p_cfc(jn,1,jp12), p_cfc(jn,2,jp12)
         END DO
      ENDIF


      ! Interpolation factor of atmospheric partial pressure
      ! Linear interpolation between 2 hemispheric function of latitud between ylats and ylatn
      !---------------------------------------------------------------------------------------
      zyd = ylatn - ylats      
      DO jj = 1 , jpj
         DO ji = 1 , jpi
            IF( gphit(ji,jj) .GE. ylatn ) THEN
               xphem(ji,jj) = 1.
            ELSE IF (gphit(ji,jj) .LE. ylats) THEN
               xphem(ji,jj) = 0.
            ELSE 
               xphem(ji,jj) = ( gphit(ji,jj) - ylats) / zyd
            ENDIF
         END DO
      END DO

   END SUBROUTINE trc_ini