1   ATTH2O1  ATTPHY
     0.05     0.04         
2   HSNO3
     0.2                  
3   GRAZRM   CIVLEV   ZOOLR1   ZOOLR2   ZOOEXC1
    8.0e-6    1.0     1.25e-6  6.0e-6    0.25
4   PHOTORM  PHOTOR0  PHOTOINH
     7.6e-6   0.019    0.0   
5   NO3INH   HSNH4
     27.2     0.05         
6   SINKPHY  SINKFAC
     5.8e-6   5.8e-5       
7   ZOOEXP1  ZOOEXP2
     0.75     0.50
8   PARFRAC 
     1.0
9   SBLDEP  
     150.0
10  BIOPOS  
      0    
11  (NO3) (PHY) (ZOO) (NH4) (NH4PR) (NO3PR) (ZGRPHY) (EXPORT) ( ) ( ) (1:10)
      1     1     1     1      1       1       1        1      0   0
99  END of biological parameters


                               GLOSSARY
                               --------

*** Card 1:

ATTH2O1   light attenuation scale of seawater (m-1).
          {"kw" from PNH Card 1}.
ATTPHY    light attenuation scale of phytoplankton (liter umole-1 m-1).
          {"kc" from PNH Card 1}.

*** Card 2:

HSNO3     half saturation constant for nitrate uptake (umoles/l).
          {"ks" from PNH Card 1}.

*** Card 3:

GRAZRM    maximum zooplankton grazing rate (1/s). 
          {"rm" from PNH Card 6}.
CIVLEV    Ivlev grazing constant (l/umoles).
          {"civlev" from PNH Card 6}.
ZOOLR1    linear zooplankton loss rate (1/s).
          {"zloss" from PNH Card 6}.
ZOOLR2    quadratic zooplankton loss rate (1/s l/umoles). 
          {"zloss2" from PNH Card 6}.
ZOOEXC1   zooplankton ammonium excretion fraction (nondimensional). 
          {"fslop" from PNH Card 6}.

*** Card 4:

PHOTORM   maximum photosynthetic rate (1/s).
          {"pmax" from PNH Card 8}.
PHOTOR0   initial slope of photosynthesis response to light (cm^2/cal).
          {"p1" from PNH Card 8}.
PHOTOINH  photoinhibition parameter (cm^2/cal).
          {"p2" from PNH Card 8}.

*** Card 5:

NO3INH    strength of ammonium inhibition on nitrate uptake (l/umoles).
          {"kn" from PNH Card 9}.
HSNH4     half saturation constant for ammonium uptake (umoles/l).
          {"ks2" from PNH Card 9}.

*** Card 6:

SINKPHY   sinking rate for phytoplankton (positive down)  (m/s).
          {"-wsink(2)" from SBL Card 119}.
SINKFAC   f-ratio sinking rate factor  (m/s).
          {"-wsinkfac" from PNH Card 27}.

*** Card 7:

ZOOEXP1   fraction of linear zooplankton loss to export (nondimensional).
          {"zeff1" from PNH Card 28}.
ZOOEXP2   fraction of quadratic zooplankton loss to export (nondimensional).
          {"zeff2" from PNH Card 28}.

*** Card 8:

PARFRAC   fraction of shortwave radiation that is photosynthetically
          active (nondimensional).

*** Card 9:

SBLDEP    depth of the "SBL" (m). Used for computing the vertically
          integrated f-ratio.

*** Card 10:

BIOPOS    switch to enforce positive biological fields:
            [0] do not enforce,
            [1] enforce.

*** Card 11: biological model output field switches:

         Convention:
         [0] do not write,
         [1] write.

IBIOUT(1) nitrate concentration (millimoles nitrogen meter-3).
IBIOUT(2) phytoplankton concentration (millimoles nitrogen meter-3).
IBIOUT(3) zooplankton concentration (millimoles nitrogen meter-3).
IBIOUT(4) ammonium concentration (millimoles nitrogen meter-3).
IBIOUT(5) recycled (NH4) production rate (millimoles nitrogen meter-3 day-1).
IBIOUT(6) new (NO3) production rate (millimoles nitrogen meter-3 day-1).
IBIOUT(7) zooplankton grazing rate (millimoles nitrogen meter-3 day-1).
IBIOUT(8) export (permanent zooplankton loss) rate (millimoles nitrogen
          meter-3 day-1).

          1 millimoles = 10^-3 moles
