!----------------------------------------------------------------------- &namp5zlim ! parameters for nutrient limitations PISCES QUOTA - ln_p5z !----------------------------------------------------------------------- concnno3 = 2e-6 ! Nitrate half saturation of nanophytoplankton concpno3 = 7e-7 ! Nitrate half saturation of picophytoplankton concdno3 = 3E-6 ! Phosphate half saturation for diatoms concnnh4 = 2E-6 ! NH4 half saturation for phyto concpnh4 = 7E-7 ! NH4 half saturation for picophytoplankton concdnh4 = 3E-6 ! NH4 half saturation for diatoms concnpo4 = 2E-6 ! PO4 half saturation for phyto concppo4 = 7E-7 ! PO4 half saturation for picophytoplankton concdpo4 = 3E-6 ! PO4 half saturation for diatoms concnfer = 3E-9 ! Iron half saturation for phyto concpfer = 1E-9 ! Iron half saturation for picophytoplankton concdfer = 4.5E-9 ! Iron half saturation for diatoms concbfe = 3E-11 ! Half-saturation for Fe limitation of Bacteria concbnh4 = 4.E-7 ! NH4 half saturation for phyto concbno3 = 4.E-7 ! Phosphate half saturation for diatoms concbpo4 = 4.E-7 ! Phosphate half saturation for bacteria xsizedia = 1.E-6 ! Minimum size criteria for diatoms xsizephy = 1.E-6 ! Minimum size criteria for phyto xsizepic = 5.E-7 ! Minimum size criteria for picophyto xsizern = 3.0 ! Size ratio for nanophytoplankton xsizerp = 2.0 ! Size ratio for picophytoplankton xsizerd = 4.0 ! Size ratio for diatoms xksi1 = 8.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 caco3r = 0.3 ! mean rain ratio oxymin = 1.E-6 ! Half-saturation constant for anoxia /