!-----------------------------------------------------------------------
&namp4zlim     !   parameters for nutrient limitations for PISCES std  - ln_p4z
!-----------------------------------------------------------------------
   concnno3   =  1.e-6    ! Nitrate half saturation of nanophytoplankton
   concdno3   =  3.E-6    ! Nitrate half saturation for diatoms
   concnnh4   =  1.E-7    ! NH4 half saturation for phyto
   concdnh4   =  3.E-7    ! NH4 half saturation for diatoms
   concnfer   =  1.E-9    ! Iron half saturation for phyto
   concdfer   =  3.E-9    ! Iron half saturation for diatoms
   concbfe    =  1.E-11   ! Iron half-saturation for DOC remin.
   concbnh4   =  2.E-8    ! NH4 half saturation for DOC remin.
   concbno3   =  2.E-7    ! Nitrate half saturation for DOC remin.
   xsizedia   =  1.E-6    ! Minimum size criteria for diatoms
   xsizephy   =  1.E-6    ! Minimum size criteria for phyto
   xsizern    =  3.0      ! Size ratio for nanophytoplankton
   xsizerd    =  3.0      ! Size ratio for diatoms
   xksi1      =  2.E-6    ! half saturation constant for Si uptake
   xksi2      =  20E-6    ! half saturation constant for Si/C
   xkdoc      =  417.E-6  ! half-saturation constant of DOC remineralization
   qnfelim    =  7.E-6    ! Optimal quota of phyto
   qdfelim    =  7.E-6    ! Optimal quota of diatoms
   caco3r     =  0.3      ! mean rain ratio
   oxymin     =  1.E-6    ! Half-saturation constant for anoxia
/
