bio_fasham.nml 3.65 KB
#$Id$
!-------------------------------------------------------------------------------
! Fasham et al. biological model with modifications by Kuehn and Radach
! 
!  numc=        number of compartments for geobiochemical model
!
!  p_initial= initial phytoplankton concentration                  [mmol n/m3]
!  z_initial= initial zooplakton concentration                     [mmol n/m3] 
!  b_initial= initial bacteria concentration                       [mmol n/m3]
!  d_initial= initial detritus concentration                       [mmol n/m3]
!  n_initial= initial nitrate concentration                        [mmol n/m3]
!  a_initial= initial ammonium concentration                       [mmol n/m3]
!  l_initial= initial LDON concentration                           [mmol n/m3]
!  p0       = minimum phytoplankton concentration                  [mmol n/m3]
!  z0       = minimum zooplakton concentration                     [mmol n/m3]
!  b0       = minimum bacteria concentration                       [mmol n/m3]
!  vp       = maximum phytoplankton uptake rate                    [1/day] 
!  alpha    = slope of the PI-curvea                               [m2/(W day)] 
!  k1       = half saturation constant nitrate uptake              [mmol n/m3]
!  k2       = half saturation constant ammonium uptake             [mmol n/m3]
!  mu1      = phytoplankton mortality rate                         [1/day] 
!  k5       = half saturation constant phytoplankton mortality     [mmol n/m3]
!  gamma    = exudation fraction                                   [-]
!  w_p      = phytoplankton settling velocity                      [m/day]
!  gmax     = maximum ingestion rate                               [1/day]
!  k3       = half saturation constant ingestion                   [mmol n/m3]
!  beta     = grazing efficiency                                   [-]
!  mu2      = maximum zooplankton loss rate                        [1/day]
!  k6       = half saturation zooplankton loss                     [mmol n/m3]
!  delta    = fractional zooplankton loss to LDON                  [-]
!  epsi     = fractional zooplankton loss to ammonium              [-]
!  r1       = grazing preference phytoplankton                     [-]
!  r2       = grazing preference bacteria                          [-] 
!  r3       = grazing preference detritus                          [-] 
!  vb       = maximum bacterial uptake rate                        [1/day]
!  k4       = half saturation bacterial uptake                     [mmol n/m3]
!  mu3      = bacteria excretion rate                              [1/day]  
!  eta      = uptake ratio ammonium:LDON                           [-]  
!  mu4      = detritus breakdown rate                              [1/day] 
!  w_d      = detritus settling velocity                           [m/day]
!  kc       = attenuation constant for the self shading effect     [m**2/mmol N]
!  I_min    = minimum photosynthetically active radiation (PAR)    [W/m**2]
!-------------------------------------------------------------------------------
 &bio_fasham_nml
  numc=      7
  p_initial= 0.056666666
  z_initial= 0.05
  b_initial= 0.001
  d_initial= 0.416666666
  n_initial= 8.3
  a_initial= 0.22
  l_initial= 0.14
  p0=        0.0001
  z0=        0.0001
  b0=        0.0001
  vp=        1.5
  alpha=     0.065
  k1=        0.2
  k2=        0.8
  mu1=       0.05
  k5=        0.2
  gamma=     0.05
  w_p=       -1.0
  gmax=      1.0
  k3=        1.0
  beta=      0.625
  mu2=       0.3
  k6=        0.2
  delta=     0.1
  epsi=      0.70
  r1=        0.55
  r2=        0.4
  r3=        0.05
  vb=        1.2
  k4=        0.5
  mu3=       0.15
  eta=       0.0
  mu4=       0.02
  w_d=       -2.0
  kc=        0.03
 /