CAEDYM biogeochemical parameters:

! CAEDYM PARAMETER FILE: (v2.3)- Lake Benmore simulation, June 2009

! LIGHT constants *************************************************************!

!------!

!-- Extinction FractionOfIncidentSW Bandwidth

1.00000 0.410 : NIR, Near InfraRed

0.15000 0.450 : PAR, Photosynthetically Active

1.50000 0.035 : UVA, UV-A Region

2.50000 0.005 : UVB, UV-B Region

!------!

! PHYTOPLANKTON constants *****************************************************!

!------!

! Pmax (/day) : Maximum potential growth rate of phytoplankton !

0.60000 ! Phytoplankton group 1 (CAEDYM group no. 2)

1.30000 ! Phytoplankton group 2 (CAEDYM group no. 7)

! Ycc (mg C/mg chla) : Average ratio of C to chlorophyll a !

50.00000 ! Phytoplankton group 1

50.00000 ! Phytoplankton group 2

!------!

! Light limitation (2=no photoinhibition, 3=photoinhibition) !

! algt (no units) : Type of light limitation algorithm !

2 ! Phytoplankton group 1

2 ! Phytoplankton group 2

! IK (microE/m^2/s) : Parameter for initial slope of P_I curve !

70.00000 ! Phytoplankton group 1

20.00000 ! Phytoplankton group 2

! Kep (ugchlaL^-1m^-1) : Specific attenuation coefficient !

0.02000 ! Phytoplankton group 1

0.02000 ! Phytoplankton group 2

!------!

! Nutrient Parameters !

! KP (mg/L) : Half saturation constant for phosphorus !

0.00200 ! Phytoplankton group 1

0.00250 ! Phytoplankton group 2

! Po (mg/L) : Low concentrations of PO4 at which uptake ceases !

0.00000 ! Phytoplankton group 1

0.00000 ! Phytoplankton group 2

! KN (mg/L) : Half saturation constant for nitrogen !

0.01400 ! Phytoplankton group 1

0.01500 ! Phytoplankton group 2

! No (mg/L) : Low concentrations of N at which uptake ceases !

0.00000 ! Phytoplankton group 1

0.00000 ! Phytoplankton group 2

! Sicon (mg Si/mg Chla) : Constant internal Silica concentration !

0.00000 ! Phytoplankton group 1

0.00000 ! Phytoplankton group 2

! KSi (mg/L) : Half saturation constant for silica !

0.00000 ! Phytoplankton group 1

0.00000 ! Phytoplankton group 2

! Sio (mg/L) : Low concentrations of Si at which uptake ceases !

0.00000 ! Phytoplankton group 1

0.00000 ! Phytoplankton group 2

! KCa (mg/L) : Half saturation constant for carbon !

2.00000 ! Phytoplankton group 1

2.00000 ! Phytoplankton group 2

! INmin (mg N/mg Chla) : Minimum internal N concentration !

3.00000 ! Phytoplankton group 1

3.00000 ! Phytoplankton group 2

! INmax (mg N/mg Chla) : Maximum internal N concentration !

9.00000 ! Phytoplankton group 1

9.00000 ! Phytoplankton group 2

! UNmax (mg N/mg Chla/day) : Maximum rate of Phytoplankton nitrogen uptake!

3.00000E+00 ! Phytoplankton group 1

3.00000E+00 ! Phytoplankton group 2

! IPmin (mg P/mg Chla) : Minimum internal P concentration !

0.23000 ! Phytoplankton group 1

0.20000 ! Phytoplankton group 2

! IPmax (mg P/mg Chla) : Maximum internal P concentration !

2.00000 ! Phytoplankton group 1

2.00000 ! Phytoplankton group 2

! UPmax (mg P/mg Chla/day) : Maximum rate of phosphorus uptake !

0.70000E+00 ! Phytoplankton group 1

0.90000E+00 ! Phytoplankton group 2

! ICmin (mg C/mg Chla) : Minimum internal C concentration !

15.00000 ! Phytoplankton group 1

15.00000 ! Phytoplankton group 2

! ICmax (mg C/mg Chla) : Maximum internal C concentration !

80.00000 ! Phytoplankton group 1

80.00000 ! Phytoplankton group 2

! UCmax (mg C/mg Chla/day) : Maximum rate of carbon uptake !

50.00000 ! Phytoplankton group 1

50.00000 ! Phytoplankton group 2

! NFixationRate (mg N/mg Chla /day): Maximum nitrogen fixation rate !

2.00000! ! Phytoplankton group 1

2.00000 ! Phytoplankton group 2

! gthRedNFix () : Growth rate reduction under maximal N fixation !

1.00000 ! Phytoplankton group 1

1.00000 ! Phytoplankton group 2

!------!

! Temperature representation !

! vT (no units) : Temperature multiplier !

1.08000 ! Phytoplankton group 1

1.06000 ! Phytoplankton group 2

! Tsta (Deg C) : Standard temperature !

20.00000 ! Phytoplankton group 1

18.00000 ! Phytoplankton group 2

! Topt (Deg C) : Optimum temperature !

28.00000 ! Phytoplankton group 1

23.00000 ! Phytoplankton group 2

! Tmax (Deg C) : Maximum temperature !

35.00000 ! Phytoplankton group 1

30.00000 ! Phytoplankton group 2

!------!

! Respiration mortality and excretion. !

! kr (/day) : Respiration rate coefficient !

0.16000 ! Phytoplankton group 1

0.1800 ! Phytoplankton group 2

! vR (no units) : Temperature multiplier (no units) !

1.06000 ! Phytoplankton group 1

1.08000 ! Phytoplankton group 2

! Fraction of respiration relative to total metabolic loss rate !

0.70000 ! Phytoplankton group 1

0.70000 ! Phytoplankton group 2

! Fraction of metabolic loss rate that goes to DOM (rest goes to POM) !

0.50000 ! Phytoplankton group 1

0.50000 ! Phytoplankton group 2

!------!

! Vertical migration and settling (0-stokes, 1-constant, 2-motile w/o photoinhibition 3-motile w/ photoinhibition!

! phvel (no units) : Type of vertical migration algorithm !

1 ! Phytoplankton group 1

1 ! Phytoplankton group 2

! ws (ms^-1) : Constant settling velocity !

0.00000E+00 ! Phytoplankton group 1

-0.50000E-05 ! Phytoplankton group 2

!------!

! Resuspension !

! tcpy (N/m^2) : Critical shear stress !

1.00000 ! Phytoplankton group 1

1.00000 ! Phytoplankton group 2

! alpPy (mg Chla/m^2/s) : Resuspension rate constant !

0.008

! KTPy (mg Chla/m^2) : Controls rate of resuspension !

0.01000 ! Phytoplankton group 1

0.01000 ! Phytoplankton group 2

! DTphy (days) : Phytoplankton sediment survival time !

2.00000 ! Phytoplankton group 1

2.00000 ! Phytoplankton group 2

!------!

! DISSOLVED OXYGEN constants **************************************************!

!------!

1.20000 vOP (no units) : Temperature multiplier for SOD !

50.00000 PCmax (g/m^2) : Maximum limit of polychaete biomass !

2.66667 YOC (mg C/mg O) : Respiration stoichiometric ratio of C to O2!

0.10000 fox (no units) :Frac of net DO allocated to seagrass roots !

2.66667 YSG (mg seagC/mg O) : Stoichiometric factor, seagrass C : DO !

2.66667 YOJ (mg jelC/mg O) : Stoichiometric factor, jellyfish C : DO !

0.03000 oxmin (mg/L) : Minimum DO in the bottom layer (mg/L) !

1.10000 rSOs (g/m^2/day) : Static sediment exchange rate !

0.50000 KSOs (mg O/L) : 1/2 sat constant for static DO sediment flux !

0.01400 prc (no units) : Photo-respiration phytoplankton DO loss!

!------!

! C, N & P CYCLE Constants ****************************************************!

!------!

! ORGANIC PARTICLES (POM) ------! !

0.0150 ! POC1max (/day) : Max transfer of POCL->DOCL !

0.0005 ! POC2max (/day) : Max transfer of POCR->DOCR !

0.0150 ! POP1max (/day) : Max transfer of POPL->DOPL !

0.0005 ! POP2max (/day) : Max transfer of POPR->DOPR !

0.0150 ! PON1max (/day) : Max transfer of PONL->DONL !

0.0005 ! PON2max (/day) : Max transfer of PONR->DONR !

! POMDiameter (m) : Diameter of POM particles !

2.00000E-05 ! POM1 (eg. LABILE) !

5.00000E-05 !POM2 (eg. REFRACTORY) !

! POMDensity (kg/m^3) : Density of POM particles !

0.11000E+04 ! POM1 (eg.LABILE) !

0.10500E+04 !POM2 (eg. REFRACTORY) !

! tcPOM (N/m^2) : Critical shear stress for respn !

0.0200 ! POM1 (eg.LABILE) !

0.0100 ! POM2 (eg.REFRACTORY) !

! KePOC (mg/L/m) : Specific attenuation coefficient of POC !

0.02000E+00 ! POC1 (eg.LABILE) !

0.02000E+00 !POC2 (eg. REFRACTORY) !

!------! !

! DISSOLVED ORGANICS (DOM) !

0.010 ! DOC1max (/day) : Max mineralisation of DOCL->DIC !

0.0005 ! DOC2max (/day) : Max mineralisation of DOCR->DIC !

0.015 ! DOP1max (/day) : Max mineralisation of DOPL->PO4 !

0.0005 ! DOP2max (/day) : Max mineralisation of DOPR->PO4 !

0.015 ! DON1max (/day) : Max mineralisation of DONL->NH4 !

0.0005 ! DON2max (/day) : Max mineralisation of DONR->NH4 !

! KeDOC (mg/L/m) : Specific attenuation coefficient of DOC !

0.01000E+00 ! DOC1 (eg. LABILE) !

0.01000E+00 ! DOC2 (eg. REFRACTORY) !

! Salinity bounds for DOCr flocculation !

1.0000 ! Smindoc !

10.000 ! Smaxdoc !

! kfloc: flocculation rate constant !

0.50000 !

! kSWNP: Rate of DOCr Photolytic Decay !

0.30000 !

!------!

! DISSOLVED INORGANICS !

! Ionic Strength (required for DIC & pH calculation) !

0.00150 Ionic Strength (g/m3) !

! Adsorption/Desorption !

0.00000 Kadd1NH4 !

0.00000 Kadd2NH4 !

0.00000 Kadd1PO4 !

0.00000 Kadd2PO4 !

! Nitrification/Denitrification !

1.08000 vN2 (-) : Temp multiplier for denitrification !

0.02000 koN2 (/day) : Denitrification rate coefficient !

2.50000 KN2 (mg/L) : Half sat const for denitrification !

1.08000 vON (-) : Temp multiplier for nitrification !

0.16000 koNH (/day) : Nitrification rate coefficient !

2.00000 KOn (mg O/L) : Half sat constant for nitrification !

3.42857 YNH (mg N/mg O) : Ratio of O2 to N for nitrification !

!------! !

! SEDIMENT PARAMETERS !

! NUTRIENT FLUXES !

! Theta(sed) : Temp multiplier of sediment fluxes !

1.08 !

! PO4 sediment flux parameters !

0.00260 SmpPO4 (g/m2/day) : Release rate of PO4 !

0.50000 KDOS-PO4 (g/m^3) : Controls sed release of PO4 via O !

1000000.0 KpHS-PO4 (-) : Controls sed release of PO4 via pH !

! NH4 sediment flux parameters !

0.00050 !**23Apr09** was 0.001 SmpNH4 (g/m2/day) : Release rate of NH4 !

0.50000 KDOS-NH4 (g/m^3) : Controls sed release of NH4 via O !

1000000.0 KpHS-NH4 (-) : Controls sed release of NH4 via pH !

! NO3 sediment flux parameters !

-0.04 SmpNO3 (g/m2/day) : Release rate of NO3 !

0.5000 KDOS-NO3 (g/m^3) : Controls sed release of NO3 via O !

1000000.0 KpHS-NO3 (-) : Controls sed release of NO3 via pH !

! Si sediment flux parameters !

0.03850 SmpSi (g/m2/day) : Release rate of Si !

0.50000 KDOS-Si (g/m^3) : Controls sed release of Si via O !

1000000.0 KpHS-Si (-) : Controls sed release of Si via pH !

! DOC sediment flux parameters !

0.00000 !**23Apr09** was 0.092 SmpdocL (g/m2/day): Release rate of DOCL !

0.00100 SmpdocR (g/m2/day): Release rate of DOCR !

0.50000 KDOS-doc (g/m^3) : Controls sed release of DOC via O!

1000000.0 KpHS-doc (-) : Controls sed release of DOC via pH !

! DOP sediment flux parameters !

0.00000 !**23Apr09** was 0.00001 SmpdopL (g/m2/day): Release rate of DOPL!

0.00001 SmpdopR (g/m2/day): Release rate of DOPR !

0.50000 KDOS-dop (g/m^3) : Controls sed release of DOP via O !

1000000.0 KpHS-dop (-) : Controls sed release of DOP via pH !

! DON sediment flux parameters !

0.00000 !**23Apr09** was 0.00001 SmpdonL (g/m2/day): Release rate of DONL !

0.00001 SmpdonR (g/m2/day): Release rate of DONR !

0.50000 KDOS-don (g/m^3) : Controls sed release of DON via O !

1000000.0 KpHS-don (-) : Controls sed release of DON via pH !

!--- Sediment composition !

! Fraction of sediment that is organics !

0.15 sedOrganicFrac !

! Sediment Porosity (i.e. porewater fraction) !

0.10 sedPorosity !

! Composite resuspension rate (g/m2/day) !

0.005 resusRate !

! Half sat conc for resus dependence on sed mass (g) !

1.0 resusKT !

!------!

! INORGANIC PARTICLE constants ************************************************!

!------!

! Density of suspended solid particles !

0.26500E+04 deS (kg/m^3) : SSOL1 !

0.26500E+04 deS (kg/m^3) : SSOL2 !

! Diameter of suspended solids groups !

2.00000E-06 diaSS (m) : SSOL1 !

10.00000E-06 diaSS (m) : SSOL2 !

! Specific attenuation coefficient !

0.03000E+00 KeSS (mg^-1Lm^-1) : SSOL1 !

0.03000E+00 KeSS (mg^-1Lm^-1) : SSOL2 !

! Critical shear stress !

0.05000E+00 tcs (N/m2) : SSOL1 !

0.05000E+00 tcs (N/m2) : SSOL2 !

!------!

! IRON constants **************************************************************!

!------!

1.05000 vFeR (-) : Temp multiplier for reduction !

0.03000 kFeR (/day) : Maximum reduction rate !

0.50000 K_FeR (mg/L) : Half saturation for reduction !

1.05000 vFeO (-) : Temp multiplier for oxidation !

0.06000 kFeO (/day) : Maximum oxidation rate !

2.00000 K_FeO (mg/L) : Half saturation for oxidation !

0.44000 SFe (g/m^2/day) : Sediment release rate !

0.0400 KDOFe (mg/L) : Oxygen sediment half saturation!

1000000 KpHFe (-) : pH sediment half saturation !

0.04000 tcFe (N/m^2) : Critical shear stress !

-0.00001 Feset (m/s) : Settling velocity of particulate Fe !

!------!

! MANGANESE constants *********************************************************!

!------!

1.05000 vMnR (no units) : Temperature multiplier for reduction!

0.03 kMnR (/day) : Maximum reduction rate !

0.50000 K_MnR (mg/L) : Half saturation for reduction !

1.05000 vMnO (no units) : Temperature multiplier for oxidation!

0.10 kMnO (/day) : Maximum oxidation rate !

0.50000 K_MnO (mg/L) : Half saturation for oxidation!

0.08600 Smn (g/m^2/day) : Sediment release rate !

0.40000 KDOMn (mg/L) : Oxygen sediment half saturation!

1000000 KpHMn (no units) : pH sediment half saturation !

0.04000 tcMn (N/m^2) : Critical shear stress !

-0.00001 Mnset (m/s) : Settling velocity of particulate Mn !

!------!

! ALUMINIUM constants *********************************************************!

!------!

1.08000 vAlR (no units) : Temperature multiplier for reduction!

0.03000 kAlR (/day) : Maximum reduction rate !

0.50000 K_AlR (mg/L) : Half saturation for reduction !

1.08000 vAlO (no units) : Temperature multiplier for oxidation!

0.10000 kAlO (/day) : Maximum oxidation rate !

2.00000 K_AlO (mg/L) : Half saturation for oxidation !

0.00450 S_AL (g/m^2/day) : Sediment release rate !

0.50000 KDOAl (mg/L) : Oxygen sediment half saturation!

1000000 KpHAl (no units) : pH sediment half saturation!

0.04000 tcAl (N/m^2) : Critical shear stress !

-0.00001 Alset (m/s) : Settling velocity of particulate Al !

!------!

! PATHOGEN and MICROBIAL INDICATOR ORGANISM constants ************************!

!------!

!-- Mortality rate (Dark death rate) @ 20C and 0 psu !

0.03 ! Cryptosporidium oocysts !

0.71 ! Fecal Coliforms !

0.48 ! E. coli !

!-- Temperature multiplier for mortality ! !

1.145 ! Cryptosporidium oocysts !

1.060 ! Fecal Coliforms !

1.110 ! E. coli !

!-- Salinity effect on mortality ! !

0.00 ! Cryptosporidium oocysts !

0.05 ! Fecal Coliforms !

0.05 ! E. coli !

!-- Light inactivation------:!

!----

Visible UV-A UV-B ! !

0.00E-00 0.00E-00 3.50E-06 ! Cryptosporidiumoocysts !

1.48E-08 1.18E-08 6.19E-08 ! FecalColiforms !

1.48E-08 1.18E-08 6.19E-08 ! E. coli !

!-- Salinity effect on light inactivation! !

0.00 ! Cryptosporidium oocysts !

0.00 ! Fecal Coliforms !

0.00 ! E. coli !

!-- DO effect on light ! !

0.00 ! Cryptosporidium oocysts !

0.00 ! Fecal Coliforms !

0.00 ! E. coli !

!-- Loss rate due to grazing ! !

0.00 ! Cryptosporidium oocysts !

0.00 ! Fecal Coliforms !

0.00 ! E. coli !

!-- Sedimentation velocity (m/s) at 20C (-ve means down) !

-1.00E-6 ! Cryptosporidium oocysts !

-1.00E-6 ! Fecal Coliforms !

-1.00E-6 ! E. coli !

!-- Resuspension constants------: !

!----

ResusRate critStress ResusHalfSat !

0.01 0.005 1.0E8 ! Cryptosporidium oocysts !

0.01 0.010 1.0E8 ! Fecal Coliforms !

0.01 0.010 1.0E8 ! E. coli !

!------!