!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
!! NEMO-TOP Configuration namelist for GYRE_PISCES configuration used to overwrite SHARED/namelist_top_ref
!-----------------------------------------------------------------------
&namtrc_run     !   run information
!-----------------------------------------------------------------------
   nn_writetrc   =  60     !  time step frequency for sn_tracer outputs
/
!-----------------------------------------------------------------------
&namtrc     !   tracers definition
!-----------------------------------------------------------------------
   ln_trcdta     =   .false.    !  Initialisation from data input file (T) or not (F)
!
!                ! name  !     title of the field          !   units       ! initial data ! save   !
!                !       !                                 !               ! from file    ! or not !
!                !       !                                 !               ! or not       !        !
   sn_tracer(1)   = 'DET'   , 'Detritus                   ',  'mmole-N/m3' ,  .false.     ,  .false.
   sn_tracer(2)   = 'ZOO'   , 'Zooplankton concentration  ',  'mmole-N/m3' ,  .false.     ,  .false.
   sn_tracer(3)   = 'PHY'   , 'Phytoplankton concentration',  'mmole-N/m3' ,  .false.     ,  .false.
   sn_tracer(4)   = 'NO3'   , 'Nitrate concentration      ',  'mmole-N/m3' ,  .false.     ,  .true.
   sn_tracer(5)   = 'NH4'   , 'Ammonium concentration     ',  'mmole-N/m3' ,  .false.     ,  .false.
   sn_tracer(6)   = 'DOM'   , 'Dissolved organic matter   ',  'mmole-N/m3' ,  .false.     ,  .false.
/
!-----------------------------------------------------------------------
&namtrc_adv    !   advection scheme for passive tracer 
!-----------------------------------------------------------------------   
   ln_trcadv_fct =  .true.   !  FCT scheme
      nn_fct_h   =  2               !  =2/4, horizontal 2nd / 4th order 
      nn_fct_v   =  2               !  =2/4, vertical   2nd / COMPACT 4th order 
      nn_fct_zts =  0               !  >=1,  2nd order FCT scheme with vertical sub-timestepping
      !                             !        (number of sub-timestep = nn_fct_zts)
/
!-----------------------------------------------------------------------
&namtrc_ldf    !   lateral diffusion scheme for passive tracer 
!-----------------------------------------------------------------------
   rn_ahtrc_0       =  1000.    !  horizontal eddy diffusivity for tracers [m2/s]
/
!-----------------------------------------------------------------------
&namtrc_zdf        !   vertical physics
!-----------------------------------------------------------------------
/
!-----------------------------------------------------------------------
&namtrc_rad        !  treatment of negative concentrations 
!-----------------------------------------------------------------------
   ln_trcrad   =  .false.  !  artificially correct negative concentrations (T) or not (F)
/
!-----------------------------------------------------------------------
&namtrc_dia       !   parameters for passive tracer additional diagnostics
!----------------------------------------------------------------------
   nn_writedia   =  60     !  time step frequency for diagnostics
/
!----------------------------------------------------------------------
&namtrc_bc        !   data for boundary conditions
!-----------------------------------------------------------------------
/