CCC $Header$ 
CCC  TOP 1.0 , LOCEAN-IPSL (2005) 
C This software is governed by CeCILL licence see modipsl/doc/NEMO_CeCILL.txt 
C ---------------------------------------------------------------------------
      SUBROUTINE trcini
CCC---------------------------------------------------------------------
CCC
CCC                       ROUTINE trcini
CCC                     ******************
CCC
CCC  PURPOSE :
CCC  ---------
CCC     initialization for passive tracer
CCC     for restart or not
CCC
CC   METHOD :
CC   -------
CC
CC   INPUT :
CC   -----
CC      argument		: no
CC      COMMON
CC
CC   OUTPUT :
CC   ------
CC      argument                : no
CC      COMMON
CC
CC   WORKSPACE :
CC   ---------
CC      ji jj jk
CC
CC
CC   EXTERNAL :
CC   --------
CC
CC   MODIFICATIONS:
CC   --------------
CC                 04/00 (O. Aumont, M.A. Foujols) HAMOCC3 and P3ZD
CC----------------------------------------------------------------------
CC parameters and commons
CC ======================
CDIR$ NOLIST
      USE ioipsl
      USE oce_trc
      USE trc
      USE sms
      IMPLICIT NONE
CDIR$ LIST
CC----------------------------------------------------------------------
CC local declarations
CC ==================

#if defined key_passivetrc

      INTEGER ji,jj,jk,jn,jl
CC----------------------------------------------------------------------
CC statement functions
CC ===================
CDIR$ NOLIST
#include "passivetrc_substitute.h90"
CDIR$ LIST
#    if defined key_trc_npzd
#    include "trcini.npzd.h"
#    elif defined key_trc_lobster1
#    include "trcini.lobster1.h"
#    elif defined key_trc_hamocc3
#    include "trcini.hamocc3.h"
#    elif defined key_trc_pisces
#    include "trcini.pisces.h"
#    else
C
C Specific initialization to do
C
#    endif
C
C 1. initialization of passives tracers field
C -------------------------------------------
      DO jn=1,jptra
        DO jk=1,jpk
          DO jj=1,jpj
            DO ji=1,jpi
              trn(ji,jj,jk,jn)=0.e0
              tra(ji,jj,jk,jn)=0.e0
            END DO
          END DO
        END DO
      END DO
#    if defined key_trc_diaadd
C initialization of output 2d and 3d arrays
      DO jn=1,jpdia2d
        DO jj=1,jpj
          DO ji=1,jpi
            trc2d(ji,jj,jn)=0.e0
          END DO
        END DO
      END DO
      DO jn=1,jpdia3d
        DO jk=1,jpk
          DO jj=1,jpj
            DO ji=1,jpi
              trc3d(ji,jj,jk,jn)=0.e0
            END DO
          END DO
        END DO
      END DO
#    endif
#    if defined key_trc_diabio
C initialization of biological trends
      DO jn=1,jpdiabio
        DO jk=1,jpk
          DO jj=1,jpj
            DO ji=1,jpi
              trbio(ji,jj,jk,jn)=0.e0
            END DO
          END DO
        END DO
      END DO
#    endif

#    if defined key_trc_diatrd
C initialization of tracer trends
      DO jl=1,jpdiatrc
        DO jn=1,jptra
          DO jk=1,jpk
            DO jj=1,jpj
              DO ji=1,jpi
                trtrd(ji,jj,jk,jn,jl)=0.e0
              END DO
            END DO
          END DO
        END DO
      END DO
#    endif      
      
      IF(lwp) THEN
          WRITE(numout,*) ' '
          WRITE(numout,*) ' trcini: generic initialisation done '
          WRITE(numout,*) ' '
      ENDIF
C
C
#else
C
C no passive tracers
C
#endif
C

      RETURN
      END