| Parameter |
Value |
Description |
| WSC |
1.0 |
Wind sheltering coefficient, dimensionless |
| AFW |
9.5 |
Coefficient in wind speed formulation |
| BFW |
0.46 |
Coefficient in wind speed formulation |
| CFW |
2.00 |
Coefficient in wind speed formulation |
| EXH2O |
1.217 |
Light extinction coefficient for water and dissolved constituents, 1/m |
| EXSS |
0.167 |
Light extinction due to inorganic suspended solids, m2/g |
| EXOM |
0.147 |
Light extinction due to organic suspended solids, m2/g |
| BETA |
0.45 |
Fraction of solar radiation absorbed at water surface, dimensionless |
| TSED |
14.0 |
Sediment temperature, °C |
| CBHE |
0.30 |
Coefficient of bottom heat exchange, (W/m2)/°C |
| LDOMDK |
0.121 |
Labile dissolved organic matter decay rate, 1/d |
| RDOMDK |
0.0005 |
Refractory dissolved organic matter decay rate, 1/d |
| LRDDK |
0.002 |
Labile to refractory dissolved organic matter conversion rate, 1/d |
| LPOMDK |
0.101 |
Labile particulate organic matter decay rate, 1/d |
| RPOMDK |
0.0005 |
Refractory particulate organic matter decay rate, 1/d |
| LRPDK |
0.002 |
Labile to refractory particulate organic matter conversion rate, 1/d |
| POMS |
0.25 |
Particulate organic matter settling rate, m/d |
| OMT1 |
2.0 |
Lower temperature parameter for organic matter decay, °C |
| OMT2 |
25.0 |
Upper temperature parameter for organic matter decay, °C |
| OMK1 |
0.15 |
Fraction of organic matter decay rate at OMT1 |
| OMK2 |
0.90 |
Fraction of organic matter decay rate at OMT2 |
| ORGP |
0.004 |
Stoichiometric equivalent between organic matter and phosphorus, g P/g OM |
| ORGN |
0.059 |
Stoichiometric equivalent between organic matter and nitrogen, g N/ g OM |
| ORGC |
0.46 |
Stoichiometric equivalent between organic matter and carbon, g C/ g OM |
| PARTP |
0.0 |
Phosphorus partitioning coefficient for suspended solids, dimensionless |
| PO4R |
0.00208 |
Release rate of phosphorus from sediment, as a fraction of SOD |
| NH4R |
0.002 |
Release rate of ammonium, as a fraction of SOD |
| NH4DK |
0.0508 |
Ammonia nitrification rate, 1/d |
| NH4T1 |
4 |
Lower temperature parameter for ammonia nitrification, °C |
| NH4T2 |
25 |
Upper temperature parameter for ammonia nitrification, °C |
| NH4K1 |
0.1 |
Fraction of nitrification rate at NH4T1 |
| NH4K2 |
0.99 |
Fraction of nitrification rate at NH4T2 |
| NO3DK |
2.60 |
Denitrification rate, 1/d |
| NO3S |
0.01 |
Denitrification rate, loss to sediments, m/d |
| NO3T1 |
4.0 |
Lower temperature parameter for nitrate denitrification, °C |
| NO3T2 |
20.0 |
Lower temperature parameter for nitrate denitrification, °C |
| NO3K1 |
0.10 |
Fraction of denitrification rate at NO3T1 |
| NO3K2 |
0.99 |
Fraction of denitrification rate at NO3T2 |
| O2NH4 |
4.57 |
Oxygen stoichiometry for nitrification, g O2/ g N |
| O2OM |
1.4 |
Oxygen stoichiometry for organic matter decay, g O2/ g OM |
| O2AR |
1.1 |
Oxygen stoichiometry for algal respiration, g O2/g algae |
| O2AG |
1.4 |
Oxygen stoichiometry for algal primary production, g O2/g algae |
| KDO |
0.1 |
Dissolved oxygen concentration at which anaerobic processes are at 50 percent of maximum, g/m3 |
| SEDCI |
8.0 |
Initial sediment concentration, g/m2 |
| SODT1 |
2.0 |
Lower temperature parameter for zero-order SOD or first-order sediment decay, °C |
| SODT2 |
25.0 |
Upper temperature parameter for zero-order SOD or first-order sediment decay, °C |
| SODK1 |
0.15 |
Fraction of SOD or sediment decay rate at SODT1 |
| SODK2 |
0.90 |
Fraction of SOD or sediment decay rate at SODT2 |
| SOD |
2.3 |
Zero-order SOD for each segment, g O2/ m2/d |
| FSOD |
0.101 |
Fraction of the zero-order SOD rate used |
| SSS |
0.2 |
Inorganic suspended solids settling rate, m/d |
| C1 |
0.2 |
Reaeration equation coefficient |
| C2 |
0.05 |
Reaeration equation coefficient |
| C3 |
1.75 |
Reaeration equation coefficient |
U.S. Department of the Interior |
U.S. Geological Survey