[Stream Water Quality]

i_SWAT Home Page

# Field Name SWAT Name Units Type Description
1 ID     Long integer  
2 Subbasin     Long integer  
3 Algal Local Settling Rate RS1 m/day Single precision floating point local algal settling rate in reach at 20 deg C
4 Ammonia Initial Concentration AMMONIAN mg NH4-N / L Single precision floating point ammonia concentration in reach
5 Arbitrary Non-Conservative Constituent Settling Coefficient RS6 1/day Single precision floating point rate coefficient for settling of arbitrary non-conservative constituent in reach
6 Arbitrary Non-Conservative Constituent Benthic Source Rate RS7 mg ANC / ((m^2)*day) Single precision floating point benthal source rate for arbitrary  non-conservative constituent in reach
7 Arbitrary Non-Conservative Constituent Decay Rate RK6 1/day Single precision floating point decay rate for arbitrary non-conservative constituent in reach
8 Chlorophyll-A Initial Concentration ALGAE mg chla / L Single precision floating point chlorophyll-a concentration in reach
9 Coliform Die-Off Rate RK5 1/day Single precision floating point coliform die-off rate in reach
10 Nitrogen Organic Initial Concentration ORGANICN mg orgN-N / L Single precision floating point organic nitrogen concentration in reach
11 Nitrogen Organic Settling Coefficient RS4 1/day Single precision floating point rate coefficient for organic nitrogen settling in reach at 20 deg C
12 Nitrite Initial Concentration NITRITEN mg NO2-N / L Single precision floating point nitrite concentration in reach
13 Nitrate Initial Concentration NITRATEN mg NO3-N-L Single precision floating point nitrate concentration in reach
14 NH4-N Benthic Source Rate RS3 (mg NH4-N) / ((m^2)*day) Single precision floating point benthos source rate for ammonia nitrogen in reach at 20 deg C
15 NH3-NO2 Biological Oxidation Rate Constant BC1 1/day Single precision floating point rate constant for biological oxidation of NH3 to NO2 in reach at 20 deg C
16 NO2-NO3 Biological Oxidation Rate Constant BC2 1/day Single precision floating point rate constant for biological oxidation of NO2 to NO3 in reach at 20 deg C
17 N-NH4 Hydrolysis Rate Constant BC3 1/day Single precision floating point rate constant for hydrolysis of organic N to ammonia in reach at 20 deg C
18 Oxygen Benthic Demand Rate RK4 mg O2 / ((m^2)/day) Single precision floating point sediment oxygen demand rate in reach at 20 deg C
19 Oxygen Dissolved Initial Concentration DISOX mg O2 / L Single precision floating point dissolved oxygen concentration in reach
20 Oxygen Reaeration Rate RK2 1/day Single precision floating point reaeration rate in accordance with Fickian diffusion in reach at 20 deg C
21 Oxygen Carbonaceous Biochemical Initial Demand BOD mg O2 / L Single precision floating point carbonaceous biochemical oxygen demand in reach
22 Oxygen Carbonaceous Biochemical Demand Deoxygenation Coefficient RK1 1/day Single precision floating point CBOD deoxygenation rate coefficient in reach at 20 deg C
23 Oxygen Carbonaceous Biological Demand Loss Rate RK3 1/day Single precision floating point rate of loss of CBOD due to settling in reach at 20 deg C
24 Pesticide Initial Concentration CHPST_CONC mg/(m^3) Single precision floating point initial pesticide concentration in reach
25 Pesticide Reaction Coefficient CHPST_REA 1/day Single precision floating point pesticide reaction coefficient in reach
26 Pesticide Volatilization Coefficient CHPST_VOL m/day Single precision floating point pesticide volatilization coefficient in reach
27 Pesticide Partition Coefficient CHPST_KOC m^3/day Single precision floating point pesticide partition coefficient between water and air in reach
28 Pesticide Settling Velocity CHPST_STL m/day Single precision floating point  
29 Pesticide Resuspension Velocity CHPST_RSP m/day Single precision floating point  
30 Pesticide Mixing Velocity CHPST_MIX m/day Single precision floating point  
31 Pesticide Bed Sediment Initial Concentration SEDPST_CONC mg / (m^3) Single precision floating point inital pesticide concentration in river bed sediment
32 Pesticide Bed Sediment Reaction Coefficient SEDPST_REA 1/day Single precision floating point pesticide reaction coefficient in river bed sediment
33 Pesticide Bed Sediment Burial Velocity SEDPST_BRY m/day Single precision floating point pesticide burial velocity in river bed sediment
34 Pesticide Active Sediment Layer Depth SEDPST_ACT m Single precision floating point depth of active sediment layer in reach for pesticide
35 Phosphorus Organic Initial Concentration ORGANICP mg orgP-P / L Single precision floating point  
36 Phosphorus Dissolved Initial Concentration DISOLVP mg solP-P / L Single precision floating point  
37 Phosphorus Dissolved Benthic Source Rate RS2 (mg disP-P) / ((m^2)*day) Single precision floating point  
38 Phosphorus Organic Settling Rate RS5 1/day Single precision floating point organic phosphorus settling rate in reach at 20 deg C
39 Phosphorus Mineralization Rate Constant BC4 1/day Single precision floating point rate constant for decay of organic P to dissolved P in reach at 20 deg C