!!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !! PISCES reference namelist !! 1 - air-sea exchange (nampisext) !! 2 - biological parameters (nampisbio) !! 3 - parameters for nutrient limitations (nampislim) !! 4 - parameters for phytoplankton (nampisprod,nampismort) !! 5 - parameters for zooplankton (nampismes,nampiszoo) !! 6 - parameters for remineralization (nampisrem) !! 7 - parameters for calcite chemistry (nampiscal) !! 8 - parameters for inputs deposition (nampissed) !! 11 - Damping (nampisdmp) !----------------------------------------------------------------------- &nampismod ! Model used !----------------------------------------------------------------------- ln_p2z = .false. ! LOBSTER model used ln_p4z = .true. ! PISCES model used ln_p5z = .false. ! PISCES QUOTA model used ln_ligand = .false. ! Enable organic ligands ln_sediment = .false. ! Enable sediment module / !----------------------------------------------------------------------- &nampisext ! air-sea exchange !----------------------------------------------------------------------- ln_co2int = .false. ! read atm pco2 from a file (T) or constant (F) atcco2 = 280. ! Constant value atmospheric pCO2 - ln_co2int = F clname = 'atcco2.txt' ! Name of atm pCO2 file - ln_co2int = T nn_offset = 0 ! Offset model-data start year - ln_co2int = T ! ! If your model year is iyy, nn_offset=(years(1)-iyy) ! ! then the first atmospheric CO2 record read is at years(1) / !----------------------------------------------------------------------- &nampisatm ! Atmospheric prrssure !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim ! 'yearly'/ ! weights ! rotation ! land/sea mask ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! filename ! sn_patm = 'presatm.orca2' , 24. , 'presatm' , .true. , .true. , 'yearly' , '' , '' , '' sn_atmco2 = 'presatmco2' , -1. , 'xco2' , .true. , .true. , 'yearly' , '' , '' , '' cn_dir = './' ! root directory for the location of the dynamical files ! ln_presatm = .false. ! constant atmopsheric pressure (F) or from a file (T) ln_presatmco2 = .false. ! Read spatialized atm co2 files [ppm] if TRUE / !----------------------------------------------------------------------- &nampisbio ! biological parameters !----------------------------------------------------------------------- nrdttrc = 1 ! time step frequency for biology wsbio = 2. ! POC sinking speed xkmort = 1.E-7 ! half saturation constant for mortality feratz = 10.E-6 ! Fe/C in zooplankton feratm = 15.E-6 ! Fe/C in mesozooplankton wsbio2 = 50. ! Big particles sinking speed wsbio2max = 50. ! Big particles maximum sinking speed wsbio2scale = 5000. ! Big particles length scale of sinking ! ! ln_ligand enabled ldocp = 1.E-4 ! Phyto ligand production per unit doc ldocz = 1.E-4 ! Zoo ligand production per unit doc lthet = 1.0 ! Proportional loss of ligands due to Fe uptake ! ! ln_p5z enabled no3rat3 = 0.151 ! N/C ratio in zooplankton po4rat3 = 0.00943 ! P/C ratio in zooplankton / !----------------------------------------------------------------------- &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-6 ! NH4 half saturation for phyto concdnh4 = 3.E-6 ! NH4 half saturation for diatoms concnfer = 1.7E-9 ! Iron half saturation for phyto concdfer = 5.E-9 ! Iron half saturation for diatoms concbfe = 3.E-11 ! Iron half-saturation for DOC remin. concbnh4 = 3.E-7 ! NH4 half saturation for DOC remin. concbno3 = 3.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 = 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 qnfelim = 10.E-6 ! Optimal quota of phyto qdfelim = 10.E-6 ! Optimal quota of diatoms caco3r = 0.2 ! mean rain ratio oxymin = 1.E-6 ! Half-saturation constant for anoxia / !----------------------------------------------------------------------- &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 / !----------------------------------------------------------------------- &namp5zquota ! parameters for nutrient limitations PISCES quota - ln_p5z !----------------------------------------------------------------------- qfnopt = 12.E-6 ! Optimal Fe quota of nanophyto qfpopt = 12.E-6 ! Optimal Fe quota of picophyto qfdopt = 12.E-6 ! Optimal quota of diatoms qnnmin = 0.61 ! Minimal N quota for nano qnnmax = 1.25 ! Maximal N quota for nano qpnmin = 0.24 ! Minimal P quota for nano qpnmax = 1.35 ! Maximal P quota for nano qnpmin = 1.02 ! Minimal N quota for pico qnpmax = 1.39 ! Maximal N quota for pico qppmin = 0.19 ! Minimal P quota for pico qppmax = 1.15 ! Maximal P quota for pico qndmin = 0.51 ! Minimal N quota for diatoms qndmax = 1.25 ! Maximal N quota for diatoms qpdmin = 0.24 ! Minimal P quota for diatoms qpdmax = 1.525 ! Maximal P quota for diatoms qfnmax = 60E-6 ! Maximal Fe quota for nano qfpmax = 60E-6 ! Maximal Fe quota for pico qfdmax = 60E-6 ! Maximal Fe quota for diatoms / !----------------------------------------------------------------------- &nampisopt ! parameters for optics !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim ! 'yearly'/ ! weights ! rotation ! land/sea mask ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! filename ! sn_par = 'par.orca' , 24. , 'fr_par' , .true. , .true. , 'yearly' , '' , '' , '' cn_dir = './' ! root directory for the location of the dynamical files ln_varpar = .true. ! boolean for PAR variable parlux = 0.43 ! Fraction of shortwave as PAR ln_p4z_dcyc = .false. ! Diurnal cycle in PISCES / !----------------------------------------------------------------------- &namp4zprod ! parameters for phytoplankton growth for PISCES std - ln_p4z !----------------------------------------------------------------------- pislopen = 2. ! P-I slope pisloped = 2. ! P-I slope for diatoms excretn = 0.05 ! excretion ratio of phytoplankton excretd = 0.05 ! excretion ratio of diatoms bresp = 0.033 ! Basal respiration rate chlcnm = 0.033 ! Maximum Chl/C in nanophytoplankton chlcdm = 0.05 ! Maximum Chl/C in diatoms chlcmin = 0.003 ! Minimum Chl/c in phytoplankton fecnm = 60E-6 ! Maximum Fe/C in nanophytoplankton fecdm = 60E-6 ! Maximum Fe/C in diatoms grosip = 0.13 ! mean Si/C ratio / !----------------------------------------------------------------------- &namp5zprod ! parameters for phytoplankton growth for PISCES quota- ln_p5z !----------------------------------------------------------------------- pislopen = 5 ! P-I slope of nanophytoplankton pislopep = 5 ! P-I slope for picophytoplankton pisloped = 5 ! P-I slope for diatoms excretn = 0.05 ! excretion ratio of phytoplankton excretp = 0.05 ! excretion ratio of picophytoplankton excretd = 0.05 ! excretion ratio of diatoms bresp = 0.02 ! Basal respiration rate thetannm = 0.3 ! Maximum Chl/N in nanophytoplankton thetanpm = 0.3 ! Maximum Chl/N in picophytoplankton thetandm = 0.4 ! Maximum Chl/N in diatoms chlcmin = 0.003 ! Minimum Chl/c in phytoplankton grosip = 0.12 ! mean Si/C ratio / !----------------------------------------------------------------------- &namp4zmort ! parameters for phytoplankton sinks for PISCES std - ln_p4z !----------------------------------------------------------------------- wchln = 0.01 ! quadratic mortality of phytoplankton wchld = 0.03 ! maximum quadratic mortality of diatoms mpratn = 0.01 ! phytoplankton mortality rate mpratd = 0.01 ! Diatoms mortality rate / !----------------------------------------------------------------------- &namp5zmort ! parameters for phytoplankton sinks for PISCES quota - ln_p5z !----------------------------------------------------------------------- wchln = 0.01 ! quadratic mortality of nanophytoplankton wchlp = 0.01 ! quadratic mortality of picophytoplankton wchld = 0.03 ! maximum quadratic mortality of diatoms mpratn = 0.01 ! nanophytoplankton mortality rate mpratp = 0.01 ! picophytoplankton mortality rate mpratd = 0.01 ! Diatoms mortality rate / !----------------------------------------------------------------------- &namp4zmes ! parameters for mesozooplankton for PISCES std - ln_p4z !----------------------------------------------------------------------- part2 = 0.75 ! part of calcite not dissolved in mesozoo guts grazrat2 = 0.5 ! maximal mesozoo grazing rate resrat2 = 0.005 ! exsudation rate of mesozooplankton mzrat2 = 0.01 ! mesozooplankton mortality rate xpref2d = 1. ! mesozoo preference for diatoms xpref2n = 0.3 ! mesozoo preference for nanophyto. xpref2z = 1. ! mesozoo preference for microzoo. xpref2c = 0.3 ! mesozoo preference for poc xthresh2zoo = 1E-8 ! zoo feeding threshold for mesozooplankton xthresh2dia = 1E-8 ! diatoms feeding threshold for mesozooplankton xthresh2phy = 1E-8 ! nanophyto feeding threshold for mesozooplankton xthresh2poc = 1E-8 ! poc feeding threshold for mesozooplankton xthresh2 = 3E-7 ! Food threshold for grazing xkgraz2 = 20.E-6 ! half saturation constant for meso grazing epsher2 = 0.4 ! Efficicency of Mesozoo growth epsher2min = 0.4 ! Minimum efficiency of mesozoo growth sigma2 = 0.6 ! Fraction of mesozoo excretion as DOM unass2 = 0.3 ! non assimilated fraction of P by mesozoo grazflux = 3.e3 ! flux-feeding rate xsigma2 = 0.5 ! Predation window size xsigma2del = 1.0 ! Predation window size scaling ln_dvm_meso = .false. ! Activates DVM for mesozooplankton xfracmig = 0.3 ! Fraction of mesozooplankton performing DVM / !----------------------------------------------------------------------- &namp5zmes ! parameters for mesozooplankton !----------------------------------------------------------------------- part2 = 0.75 ! part of calcite not dissolved in mesozoo guts grazrat2 = 0.5 ! maximal mesozoo grazing rate bmetexc2 = .true. ! Metabolic use of excess carbon resrat2 = 0.005 ! exsudation rate of mesozooplankton mzrat2 = 0.01 ! mesozooplankton mortality rate xpref2d = 1. ! meso preference for diatoms xpref2n = 0.3 ! meso preference for nano xpref2z = 1. ! meso preference for zoo xpref2m = 0. ! meso preference for zoo xpref2c = 0.3 ! meso preference for poc xthresh2zoo = 1E-8 ! zoo feeding threshold for mesozooplankton xthresh2dia = 1E-8 ! diatoms feeding threshold for mesozooplankton xthresh2phy = 1E-8 ! nanophyto feeding threshold for mesozooplankton xthresh2mes = 1E-8 ! meso feeding threshold for mesozooplankton xthresh2poc = 1E-8 ! poc feeding threshold for mesozooplankton xthresh2 = 3E-7 ! Food threshold for grazing xkgraz2 = 20.E-6 ! half sturation constant for meso grazing epsher2 = 0.5 ! Efficicency of Mesozoo growth epsher2min = 0.5 ! Minimum efficiency of mesozoo growth ssigma2 = 0.5 ! Fraction excreted as semi-labile DOM srespir2 = 0.2 ! Active respiration unass2c = 0.3 ! non assimilated fraction of C by mesozoo unass2n = 0.3 ! non assimilated fraction of N by mesozoo unass2p = 0.3 ! non assimilated fraction of P by mesozoo xsigma2 = 0.5 ! Predation window size xsigma2del = 1.0 ! Predation window size scaling grazflux = 3.e3 ! flux-feeding rate ln_dvm_meso = .false. ! Activates DVM for mesozooplankton xfracmig = 0.25 ! Fraction of mesozooplankton performing DVM / !----------------------------------------------------------------------- &namp4zzoo ! parameters for microzooplankton for PISCES std - ln_p4z !----------------------------------------------------------------------- part = 0.75 ! part of calcite not dissolved in microzoo guts grazrat = 2.0 ! maximal zoo grazing rate resrat = 0.02 ! Linear mortality rate of zooplankton mzrat = 0.005 ! zooplankton mortality rate xprefc = 0.15 ! Microzoo preference for POM xprefn = 1. ! Microzoo preference for Nanophyto xprefd = 0.8 ! Microzoo preference for Diatoms xthreshdia = 1.E-8 ! Diatoms feeding threshold for microzooplankton xthreshphy = 1.E-8 ! Nanophyto feeding threshold for microzooplankton xthreshpoc = 1.E-8 ! POC feeding threshold for microzooplankton xthresh = 3.E-7 ! Food threshold for feeding xkgraz = 20.E-6 ! half sturation constant for grazing epsher = 0.4 ! Efficiency of microzoo growth epshermin = 0.4 ! Minimum efficiency of microzoo growth sigma1 = 0.6 ! Fraction of microzoo excretion as DOM unass = 0.3 ! non assimilated fraction of phyto by zoo xsigma = 0.5 ! Predation window size xsigmadel = 1.0 ! Predation window size scaling / !----------------------------------------------------------------------- &namp5zzoo ! parameters for microzooplankton !----------------------------------------------------------------------- part = 0.75 ! part of calcite not dissolved in microzoo gutsa grazrat = 2.0 ! maximal zoo grazing rate bmetexc = .true. ! Metabolic use of excess carbon resrat = 0.02 ! exsudation rate of zooplankton mzrat = 0.005 ! zooplankton mortality rate xprefc = 0.15 ! Microzoo preference for POM xprefn = 1.0 ! Microzoo preference for Nanophyto xprefp = 1.0 ! Microzoo preference for picophyto xprefd = 1.0 ! Microzoo preference for Diatoms xprefz = 0. ! Microzoo preference for microzooplankton xthreshdia = 1.E-8 ! Diatoms feeding threshold for microzooplankton xthreshphy = 1.E-8 ! Nanophyto feeding threshold for microzooplankton xthreshpic = 1.E-8 ! Picophyto feeding threshold for microzooplankton xthreshzoo = 1.E-8 ! Microzoo feeding threshold for microzooplankton xthreshpoc = 1.E-8 ! POC feeding threshold for microzooplankton xthresh = 3.E-7 ! Food threshold for feeding xkgraz = 20.E-6 ! half saturation constant for grazing epsher = 0.5 ! Efficiency of microzoo growth epshermin = 0.5 ! Minimum efficiency of microzoo growth ssigma = 0.5 ! Fraction excreted as semi-labile DOM srespir = 0.2 ! Active respiration unassc = 0.3 ! non assimilated fraction of C by zoo unassn = 0.3 ! non assimilated fraction of N by zoo unassp = 0.3 ! non assimilated fraction of P by zoo xsigma = 0.5 ! Predation window size xsigmadel = 1.0 ! Predation window size scaling / !----------------------------------------------------------------------- &nampisfer ! parameters for iron chemistry !----------------------------------------------------------------------- ln_ligvar = .false. ! variable ligand concentration xlam1 = 0.02 ! scavenging rate of Iron by biogenic particles xlamdust = 150.0 ! Scavenging rate of Iron by dust ligand = 1E-9 ! Ligands concentration kfep = 0.01 ! Nanoparticle formation rate constant scaveff = 1.0 ! Fraction of scavenged Fe that goes to POFe / !----------------------------------------------------------------------- &nampisrem ! parameters for remineralization !----------------------------------------------------------------------- nitrif = 0.05 ! NH4 nitrification rate xsirem = 0.003 ! remineralization rate of Si xsiremlab = 0.03 ! fast remineralization rate of Si xsilab = 0.5 ! Fraction of labile biogenic silica feratb = 60.E-6 ! Fe/C quota in bacteria xkferb = 4E-10 ! Half-saturation constant for bacteria Fe/C ! ! ln_p5z xremikc = 0.4 ! remineralization rate of DOC xremikn = 0.4 ! remineralization rate of DON xremikp = 0.5 ! remineralization rate of DOP / !----------------------------------------------------------------------- &nampispoc ! parameters for organic particles !----------------------------------------------------------------------- xremip = 0.035 ! remineralisation rate of POC jcpoc = 15 ! Number of lability classes rshape = 1.0 ! Shape of the gamma function ! ! ln_p5z xremipc = 0.028 ! remineralisation rate of POC xremipn = 0.03 ! remineralisation rate of PON xremipp = 0.035 ! remineralisation rate of POP / !----------------------------------------------------------------------- &nampiscal ! parameters for Calcite chemistry !----------------------------------------------------------------------- kdca = 100. ! calcite dissolution rate constant (1/time) nca = 4.7 ! order of dissolution reaction (dimensionless) / !----------------------------------------------------------------------- &nampisbc ! parameters for inputs deposition !----------------------------------------------------------------------- ! ! file name ! frequency (hours) ! variable ! time interp. ! clim ! 'yearly'/ ! weights ! rotation ! land/sea mask ! ! ! ! (if <0 months) ! name ! (logical) ! (T/F) ! 'monthly' ! filename ! pairing ! filename ! sn_dust = 'dust.orca' , -1 , 'dust' , .true. , .true. , 'yearly' , '' , '' , '' sn_ironsed = 'bathy.orca' , -12 , 'bathy' , .false. , .true. , 'yearly' , '' , '' , '' sn_hydrofe = 'hydrofe.orca' , -12 , 'epsdb' , .false. , .true. , 'yearly' , '' , '' , '' ! cn_dir = './' ! root directory for the location of the dynamical files ln_ironsed = .false. ! boolean for Fe input from sediments ln_ironice = .false. ! boolean for Fe input from sea ice ln_hydrofe = .false. ! boolean for from hydrothermal vents sedfeinput = 2.e-9 ! Coastal release of Iron distcoast = 5.e3 ! Distance off the coast for Iron from sediments mfrac = 0.035 ! Fe mineral fraction of dust wdust = 2.0 ! Dust sinking speed icefeinput = 15.e-9 ! Iron concentration in sea ice hratio = 1.e+7 ! Fe to 3He ratio assumed for vent iron supply ! ! ln_ligand lgw_rath = 0.2 ! Weak ligand ratio from sed hydro sources / !----------------------------------------------------------------------- &nampislig ! Namelist parameters for ligands, nampislig !----------------------------------------------------------------------- rlgw = 300. ! Lifetime (years) of weak ligands rlig = 1.E-4 ! Remin ligand production per unit C prlgw = 3.E-4 ! Photolysis of weak ligand rlgs = 1. ! Lifetime (years) of strong ligands xklig = 1.E-9 ! 1/2 saturation constant of photolysis / !----------------------------------------------------------------------- &nampissed ! Namelist parameters for sediment mobilisation !----------------------------------------------------------------------- nitrfix = 2.e-7 ! Nitrogen fixation rate diazolight = 30. ! Diazotrophs sensitivity to light (W/m2) concfediaz = 1.e-10 ! Diazotrophs half-saturation Cste for Iron / !----------------------------------------------------------------------- &nampisice ! Prescribed sea ice tracers !----------------------------------------------------------------------- !======================================================================== ! constant ocean tracer concentrations are defined in trcice_pisces.F90 ! (Global, Arctic, Antarctic and Baltic) ! trc_ice_ratio : >=0 & <=1 => prescribed ice/ocean tracer concentration ratio ! : = -1 => the ice-ocean tracer concentration ratio ! follows the ice-ocean salinity ratio ! : = -2 => tracer concentration in sea ice is prescribed ! and trc_ice_prescr is used ! trc_ice_prescr : prescribed tracer concentration. used only if ! trc_ice_ratio = -2. equals -99 if not used. ! cn_trc_o : = 'GL' => use global ocean values making the Baltic ! distinction only ! : = 'AA' => use specific Arctic/Antarctic/Baltic values !======================================================================== ! sn_tri_ ! trc_ice_ratio ! trc_ice_prescr ! cn_trc_o sn_tri_dic = -1., -99., 'AA' sn_tri_doc = 0., -99., 'AA' sn_tri_tal = -1., -99., 'AA' sn_tri_oxy = -1., -99., 'AA' sn_tri_cal = 0., -99., 'AA' sn_tri_po4 = -1., -99., 'AA' sn_tri_poc = 0., -99., 'AA' sn_tri_goc = 0., -99., 'AA' sn_tri_bfe = 0., -99., 'AA' sn_tri_num = 0., -99., 'AA' sn_tri_sil = -1., -99., 'AA' sn_tri_dsi = 0., -99., 'AA' sn_tri_gsi = 0., -99., 'AA' sn_tri_phy = 0., -99., 'AA' sn_tri_dia = 0., -99., 'AA' sn_tri_zoo = 0., -99., 'AA' sn_tri_mes = 0., -99., 'AA' sn_tri_fer = -2., 15E-9, 'AA' sn_tri_sfe = 0., -99., 'AA' sn_tri_dfe = 0., -99., 'AA' sn_tri_nfe = 0., -99., 'AA' sn_tri_nch = 0., -99., 'AA' sn_tri_dch = 0., -99., 'AA' sn_tri_no3 = -1., -99., 'AA' sn_tri_nh4 = 1., -99., 'AA' / !----------------------------------------------------------------------- &nampisdmp ! Damping !----------------------------------------------------------------------- ln_pisdmp = .true. ! Relaxation for some tracers to a mean value nn_pisdmp = 5475 ! Frequency of Relaxation / !----------------------------------------------------------------------- &nampismass ! Mass conservation !----------------------------------------------------------------------- ln_check_mass = .false. ! Check mass conservation / !!>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !! PISCES reduced (key_pisces_reduced, ex LOBSTER) : namelists !! 1 - biological parameters for phytoplankton (namlobphy) !! 2 - biological parameters for nutrients (namlobnut) !! 3 - biological parameters for zooplankton (namlobzoo) !! 4 - biological parameters for detritus (namlobdet) !! 5 - biological parameters for DOM (namlobdom) !! 6 - parameters from aphotic layers to sediment (namlobsed) !! 7 - general coefficients (namlobrat) !! 8 - optical parameters (namlobopt) !>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>> !----------------------------------------------------------------------- &namlobphy ! biological parameters for phytoplankton !----------------------------------------------------------------------- tmumax = 1.21e-5 ! maximal phytoplankton growth rate [s-1] rgamma = 0.05 ! phytoplankton exudation fraction [%] fphylab = 0.75 ! NH4 fraction of phytoplankton exsudation tmminp = 5.8e-7 ! minimal phytoplancton mortality rate [0.05/86400 s-1=20 days] aki = 33. ! light photosynthesis half saturation constant[W/m2] / !----------------------------------------------------------------------- &namlobnut ! biological parameters for nutrients !----------------------------------------------------------------------- akno3 = 0.7 ! nitrate limitation half-saturation value [mmol/m3] aknh4 = 0.001 ! ammonium limitation half-saturation value [mmol/m3] taunn = 5.80e-7 ! nitrification rate [s-1] psinut = 3. ! inhibition of nitrate uptake by ammonium / !----------------------------------------------------------------------- &namlobzoo ! biological parameters for zooplankton !----------------------------------------------------------------------- rppz = 0.8 ! zooplankton nominal preference for phytoplancton food [%] taus = 9.26E-6 ! specific zooplankton maximal grazing rate [s-1] ! ! 0.75/86400 s-1=8.680555E-6 1/86400 = 1.15e-5 aks = 1. ! half-saturation constant for total zooplankton grazing [mmolN.m-3] rpnaz = 0.3 ! non-assimilated phytoplankton by zooplancton [%] rdnaz = 0.3 ! non-assimilated detritus by zooplankton [%] tauzn = 8.1e-7 ! zooplancton specific excretion rate [0.1/86400 s-1=10 days] fzoolab = 0.5 ! NH4 fraction of zooplankton excretion fdbod = 0.5 ! zooplankton mortality fraction that goes to detritus tmminz = 2.31e-6 ! minimal zooplankton mortality rate [(mmolN/m3)-1 d-1] / !----------------------------------------------------------------------- &namlobdet ! biological parameters for detritus !----------------------------------------------------------------------- taudn = 5.80e-7 ! detritus breakdown rate [0.1/86400 s-1=10 days] fdetlab = 0. ! NH4 fraction of detritus dissolution / !----------------------------------------------------------------------- &namlobdom ! biological parameters for DOM !----------------------------------------------------------------------- taudomn = 6.43e-8 ! DOM breakdown rate [s-1] ! ! slow remineralization rate of semi-labile dom to nh4 (1 month) / !----------------------------------------------------------------------- &namlobsed ! parameters from aphotic layers to sediment !----------------------------------------------------------------------- sedlam = 3.86e-7 ! time coefficient of POC remineralization in sediments [s-1] sedlostpoc = 0. ! mass of POC lost in sediments vsed = 3.47e-5 ! detritus sedimentation speed [m/s] xhr = -0.858 ! coeff for martin''s remineralisation profile / !----------------------------------------------------------------------- &namlobrat ! general coefficients !----------------------------------------------------------------------- rcchl = 60. ! Carbone/Chlorophyl ratio [mgC.mgChla-1] redf = 6.56 ! redfield ratio (C:N) for phyto reddom = 6.56 ! redfield ratio (C:N) for DOM / !----------------------------------------------------------------------- &namlobopt ! optical parameters !----------------------------------------------------------------------- xkg0 = 0.0232 ! green absorption coefficient of water xkr0 = 0.225 ! red absorption coefficent of water xkgp = 0.074 ! green absorption coefficient of chl xkrp = 0.037 ! red absorption coefficient of chl xlg = 0.674 ! green chl exposant for absorption xlr = 0.629 ! red chl exposant for absorption rpig = 0.7 ! chla/chla+pheo ratio /