MODULE par_LOBSTER
   !!======================================================================
   !!                        ***  par_LOBSTER  ***
   !! TOP :   set the LOBSTER parameters
   !!======================================================================
   !! History :   2.0  !  2007-12  (C. Ethe, G. Madec)  revised architecture
   !!----------------------------------------------------------------------
   !! NEMO/TOP 2.0 , LOCEAN-IPSL (2007) 
   !! $Id:$ 
   !! Software governed by the CeCILL licence (modipsl/doc/NEMO_CeCILL.txt)
   !!----------------------------------------------------------------------

   IMPLICIT NONE
   PUBLIC

#if defined key_trc_lobster1
   !!---------------------------------------------------------------------
   !!   'key_trc_lobster1'   :                               LOBSTER model
   !!---------------------------------------------------------------------
   LOGICAL, PUBLIC, PARAMETER ::   lk_trc_lobster = .TRUE.    !: LOBSTER flag 
   INTEGER, PUBLIC, PARAMETER ::   jp_lobster     =  6        !: number of LOBSTER tracers
   INTEGER, PUBLIC, PARAMETER ::   jp_lobster_2d  = 19        !: additional 2d output arrays ('key_trc_diaadd')
   INTEGER, PUBLIC, PARAMETER ::   jp_lobster_3d  =  3        !: additional 3d output arrays ('key_trc_diaadd')
   INTEGER, PUBLIC, PARAMETER ::   jp_lobster_trd = 15        !: number of sms trends for LOBSTER

   ! assign an index in trc arrays for each LOBSTER prognostic variables
   INTEGER, PUBLIC, PARAMETER ::   jpdet          =  1        !: detritus                    [mmoleN/m3]
   INTEGER, PUBLIC, PARAMETER ::   jpzoo          =  2        !: zooplancton concentration   [mmoleN/m3]
   INTEGER, PUBLIC, PARAMETER ::   jpphy          =  3        !: phytoplancton concentration [mmoleN/m3]
   INTEGER, PUBLIC, PARAMETER ::   jpno3          =  4        !: nitrate concentration       [mmoleN/m3]
   INTEGER, PUBLIC, PARAMETER ::   jpnh4          =  5        !: ammonium concentration      [mmoleN/m3]
   INTEGER, PUBLIC, PARAMETER ::   jpdom          =  6        !: dissolved organic matter    [mmoleN/m3]

   ! productive layer depth
   INTEGER, PUBLIC, PARAMETER ::   jpkb           = 12        !: first vertical layers where biology is active
   INTEGER, PUBLIC, PARAMETER ::   jpkbm1         = jpkb - 1  !: first vertical layers where biology is active

#else
   !!---------------------------------------------------------------------
   !!   Default                                           No LOBSTER model
   !!---------------------------------------------------------------------
   LOGICAL, PUBLIC, PARAMETER ::   lk_trc_lobster = .FALSE.   !: LOBSTER flag 
   INTEGER, PUBLIC, PARAMETER ::   jp_lobster     =  0        !: No LOBSTER tracers
   INTEGER, PUBLIC, PARAMETER ::   jp_lobster_2d  =  0        !: No LOBSTER additional 2d output arrays 
   INTEGER, PUBLIC, PARAMETER ::   jp_lobster_3d  =  0        !: No LOBSTER additional 3d output arrays 
   INTEGER, PUBLIC, PARAMETER ::   jp_lobster_trd =  0        !: number of sms trends for LOBSTER
#endif

   ! Starting/ending LOBSTER do-loop indices (N.B. no LOBSTER : jpl_lob < jpf_lob the do-loop are never done)
   INTEGER, PUBLIC, PARAMETER ::   jpf_lob =          1       !: First index of LOBSTER tracers
   INTEGER, PUBLIC, PARAMETER ::   jpl_lob = jp_lobster       !: Last  index of LOBSTER tracers

   !!======================================================================
END MODULE par_LOBSTER