# SWAT+ Input Files

- [Input File Format](https://swatplus.gitbook.io/io-docs/introduction-1/input-file-format.md)
- [Master File (file.cio)](https://swatplus.gitbook.io/io-docs/introduction-1/master-file-file.cio.md)
- [Simulation Settings](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings.md)
- [object.cnt](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/object.cnt.md): This file specifies the land area and the total area (including ponds and reservoirs) of the watershed and the counts of all spatial objects in a simulation.
- [time.sim](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/time.sim.md): This file controls the simulation time period and time step.
- [day\_start](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/time.sim/day_start.md): Beginning day of the simulation
- [yrc\_start](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/time.sim/yrc_start.md): Beginning year of the simulation
- [day\_end](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/time.sim/day_end.md): Ending day of the simulation
- [yrc\_end](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/time.sim/yrc_end.md): Ending year of the simulation
- [step](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/time.sim/step.md): Time step of the simulation
- [print.prt](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/print.prt.md): This file controls which output files will be printed during the simulation.
- [nyskip](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/print.prt/nyskip.md): Number of years at the beginning of the simulation to not print output
- [interval](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/print.prt/interval.md): Print interval within the period
- [aa\_int\_cnt](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/print.prt/aa_int_cnt.md): Number of print intervals for average annual output
- [hydcon](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/print.prt/hydcon.md): Hydrograph connections
- [object](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/print.prt/object.md): Objects that output can be printed for at different time steps
- [object.prt](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/object.prt.md): This file allows the user to print selected output for individual spatial objects.
- [obj\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/object.prt/obj_typ.md): Type of object to print output for
- [obj\_typ\_no](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/object.prt/obj_typ_no.md): Number of the object to print output for
- [hyd\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/simulation-settings/object.prt/hyd_typ.md): Type of hydrograph to print
- [Climate](https://swatplus.gitbook.io/io-docs/introduction-1/climate.md)
- [weather-sta.cli](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-sta.cli.md): This file lists the weather stations defined for a SWAT+ setup.
- [name (weather\_sta.cli)](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-sta.cli/name-weather_sta.cli.md): Name of the weather station
- [wgn](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-sta.cli/wgn.md): Name of the weather generator station
- [pcp](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-sta.cli/pcp.md): Name of the precipitation station
- [tmp](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-sta.cli/tmp.md): Name of the temperature station
- [slr](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-sta.cli/slr.md): Name of the solar radiation station
- [hmd](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-sta.cli/hmd.md): Name of the relative humidity station
- [wnd](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-sta.cli/wnd.md): Name of the wind speed station
- [pet](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-sta.cli/pet.md): Name of the PET station
- [atmo\_dep](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-sta.cli/atmo_dep.md): Name of the atmospheric deposition station
- [weather-wgn.cli](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli.md): This file contains weather generator data to be used for a SWAT+ setup.
- [name (weather\_wgn.cli)](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/name-weather_wgn.cli.md): Name of the weather generator station
- [yrs\_pcp](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/yrs_pcp.md): Number of years of maximum monthly 0.5 h rainfall data
- [tmp\_max\_ave](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/tmp_max_ave.md): Average or mean daily maximum air temperature for month
- [tmp\_min\_ave](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/tmp_min_ave.md): Average or mean daily minimum air temperature for month
- [tmp\_max\_sd](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/tmp_max_sd.md): Standard deviation for daily maximum air temperature in month
- [tmp\_min\_sd](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/tmp_min_sd.md): Standard deviation for daily minimum air temperature in month
- [pcp\_ave](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/pcp_ave.md): Average or mean total monthly precipitation
- [pcp\_sd](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/pcp_sd.md): Standard deviation for daily precipitation in month
- [pcp\_skew](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/pcp_skew.md): Skew coefficient for daily precipitation in month
- [wet\_dry](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/wet_dry.md): Probability of a wet day following a dry day in the month
- [wet\_wet](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/wet_wet.md): Probability of a wet day following a wet day in the month
- [pcp\_days](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/pcp_days.md): Average number of days of precipitation in month
- [pcp\_hhr](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/pcp_hhr.md): Maximum 0.5-hour rainfall in month
- [slr\_ave](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/slr_ave.md): Average daily solar radiation for month
- [dew\_ave](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/dew_ave.md): Average daily dew point temperature for each month (ºC) or relative humidity (fraction)
- [wnd\_ave](https://swatplus.gitbook.io/io-docs/introduction-1/climate/weather-wgn.cli/wnd_ave.md): Average daily wind speed in month
- [pcp.cli and pcp data files](https://swatplus.gitbook.io/io-docs/introduction-1/climate/pcp.cli-and-precipitation-data-files.md): These files contain all information needed by the model about observed precipitation data.
- [tmp.cli and tmp data files](https://swatplus.gitbook.io/io-docs/introduction-1/climate/tmp.cli-and-temperature-data-files.md): These files contain all information needed by the model about observed temperature data.
- [hmd.cli and hmd data files](https://swatplus.gitbook.io/io-docs/introduction-1/climate/hmd.cli-and-humidity-data-files.md): These files contain all information needed by the model about observed relative humidity data.
- [slr.cli and slr data files](https://swatplus.gitbook.io/io-docs/introduction-1/climate/slr.cli-and-solar-radiation-data-files.md): These files contain all information needed by the model about observed solar radiation data.
- [wnd.cli and wnd data files](https://swatplus.gitbook.io/io-docs/introduction-1/climate/wnd.cli-and-wind-speed-data-files.md): These files contain all information needed by the model about observed wind speed data.
- [atmo.cli](https://swatplus.gitbook.io/io-docs/introduction-1/climate/atmo.cli.md): This file contains observed atmospheric deposition data.
- [timestep](https://swatplus.gitbook.io/io-docs/introduction-1/climate/atmo.cli/timestep.md): Time step of the atmospheric deposition data
- [num\_aa](https://swatplus.gitbook.io/io-docs/introduction-1/climate/atmo.cli/num_aa.md): Number of months or years data is available for
- [Basin](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1.md)
- [codes.bsn](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn.md): This file contains control codes for the simulation of basin-level processes.
- [pet](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/pet.md): Potential evapotranspiration (PET) method
- [crack](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/crack.md): Crack flow code
- [swift\_out](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/rtu_wq.md): SWIFT input file
- [rte\_cha](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/rte_cha.md): Channel water routing method
- [nostress](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/rte_pest.md): Plant stress
- [carbon](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/carbon.md): Carbon routine
- [lapse](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/baseflo.md): Precipitation and temperature lapse rate control
- [uhyd](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/uhyd.md): Unit Hydrograph method
- [tiledrain](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/tiledrain.md): Tile drainage equation code
- [wtable](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/wtable.md): Water table depth algorithm code
- [soil\_p](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/soil_p.md): Soil phosphorus model
- [gampt](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/abstr_init.md): Surface runoff method
- [qual2e](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/qual2e.md): Instream nutrient routing method
- [gwflow](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/codes.bsn/headwater.md): Flood routing
- [parameters.bsn](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn.md): This file contains basin-level parameters.
- [sw\_init](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/sw_init.md): Initial soil water storage expressed as a fraction of field capacity water content
- [surq\_lag](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/surq_lag.md): Surface runoff lag coefficient
- [adj\_pkrt](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/adj_pkrt.md): Peak rate adjustment factor for sediment routing in the subbasin (tributary channels)
- [prf](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/adj_pkrt_sed.md): Peak rate factor
- [orgn\_min](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/orgn_min.md): Rate factor for humus mineralization of active organic nutrients (N and P)
- [n\_uptake](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/n_uptake.md): Nitrogen uptake distribution parameter
- [p\_uptake](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/p_uptake.md): Phosphorus uptake distribution parameter
- [n\_perc](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/n_perc.md): Nitrate percolation coefficient
- [p\_perc](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/p_perc.md): Phosphorus percolation coefficient
- [p\_soil](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/p_soil.md): Phosphorus soil partitioning coefficient
- [p\_avail](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/p_avail.md): Phosphorus availability index
- [rsd\_decomp](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/rsd_decomp.md): Residue decomposition coefficient
- [pest\_perc](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/pest_perc.md): Pesticide percolation coefficient
- [msk\_co1](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/msk_co1.md): Coefficient to control the impact of the storage time constant for normal flow on the overall storage time constant for the channel
- [msk\_co2](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/msk_co2.md): Coefficient to control the impact of the storage time constant for low flow on the overall storage time constant for the channel
- [msk\_x](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/msk_x.md): Weighting factor control relative importance of inflow rate and outflow rate in determining storage on reach
- [nperco\_lchtile](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/trans_loss.md): Nitrogen concentration coefficient for tile flow and leaching from bottom layer
- [evap\_adj](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/evap_adj.md): Reach evaporation adjustment factor
- [denit\_exp](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/denit_exp.md): Denitrification exponential rate coefficient
- [denit\_frac](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/denit_frac.md): Denitrification threshold water content
- [adj\_uhyd](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/adj_uhyd.md): Adjustment factor for subdaily unit hydrograph basetime
- [cn\_froz](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/cn_froz.md): Parameter for frozen soil adjustment on infiltration/runoff
- [dorm\_hr](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/dorm_hr.md): Time threshold used to define dormancy
- [plaps](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/s_max.md): Precipitation lapse rate
- [tlaps](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/n_fix.md): Temperature lapse rate
- [n\_fix\_max](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/n_fix_max.md): Maximum daily nitrogen fixation
- [rsd\_decay](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/rsd_decay.md): Minimum daily residue decay
- [urb\_init\_abst](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/vel_crit.md): Maximum initial abstraction for urban areas
- [uhyd\_alpha](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/uhyd_alpha.md): Alpha coefficient for gamma function unit hydrograph
- [splash](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/splash.md): Splash erosion coefficient
- [rill](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/rill.md): Rill erosion coefficient
- [surq\_exp](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/surq_exp.md): Exponential coefficient for overland flow
- [cov\_mgt](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/cov_mgt.md): Scaling parameter for cover and management factor for overland flow erosion
- [co2](https://swatplus.gitbook.io/io-docs/introduction-1/basin-1/parameters.bsn/cha_part_sd.md): CO2 concentration in the atmosphere at start of simulation
- [Landscape Units](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units.md)
- [ls\_unit.def](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.def.md): This file defines which HRUs are elements of the Landscape Units in a SWAT+ setup.
- [id (ls\_unit.def)](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.def/id-ls_unit.def.md)
- [name (ls\_unit.def)](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.def/name-ls_unit.def.md): Name of the Landscape Unit
- [elem\_tot](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.def/elem_tot.md): Number of columns to read for list of elements in the Landscape Unit
- [elements](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.def/elements.md)
- [ls\_unit.ele](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.ele.md): This file lists the HRUs that are elements in a Landscape Unit.
- [id (ls\_unit.ele)](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.ele/id-ls_unit.ele.md): ID of the element
- [name (ls\_unit.ele)](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.ele/name-ls_unit.ele.md): Name of the element
- [obj\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.ele/obj_typ.md): Object type of the element
- [obj\_typ\_no](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.ele/obj_typ_no.md)
- [bsn\_frac](https://swatplus.gitbook.io/io-docs/introduction-1/landscape-units/ls_unit.ele/bsn_frac.md)
- [Routing Units](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units.md)
- [rout\_unit.rtu](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled.md): This file references other files specifying the elements that are part of a Routing Unit and its topographic and field properties.
- [id (rout\_unit.rtu)](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled/id-rout_unit.rtu.md): ID of the routing unit
- [name (rout\_unit.rtu)](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled/name-rout_unit.rtu.md): Name of the routing unit
- [define](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled/define.md): Pointer to the routing unit definition file
- [topo](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled/topo.md): Pointer to the topography file
- [field](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled/field.md): Pointer to the field file
- [rout\_unit.def](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-1.md): This file specifies which elements a Routing Unit contains.
- [id (rout\_unit.def)](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-1/id-rout_unit.def.md): Unique ID of the Routing Unit
- [name (rout\_unit.def)](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-1/name-rout_unit.def.md): Name of the Routing Unit
- [elem\_tot](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-1/elem_tot.md): Number of columns to read for list of elements in the Routing Unit
- [elements](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-1/elements.md): First column listing elements in the Routing Unit
- [rout\_unit.ele](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-2.md): This file lists all elements that are part of a Routing Unit.
- [id (rout\_unit.ele)](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-2/id-rout_unit.ele.md): ID of the element
- [name (rout\_uni.ele)](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-2/name-rout_uni.ele.md): Name of the element
- [obj\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-2/obj_typ.md): Object type of the element
- [obj\_id](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-2/obj_id.md): Object ID of the element
- [frac](https://swatplus.gitbook.io/io-docs/introduction-1/routing-units/untitled-2/frac.md): Fraction of element in Routing Unit
- [Hydrologic Response Units](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units.md)
- [hru-data.hru](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru.md): This file contains pointers to several files that specify the HRU properties.
- [id (hru-data.hru)](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru/id-hru-data.hru.md): Unique ID of the HRU
- [name (hru-data.hru)](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru/name_hru.md): Name of the HRU
- [topo](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru/topo.md): Pointer to the topography file
- [hydro](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru/hydro.md): Pointer to the hydrology file
- [soil](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru/soil.md): Pointer to the soil file
- [lu\_mgt](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru/lu_mgt.md): Pointer to the land use and management file
- [soil\_plant\_init](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru/soil_ini.md): Pointer to the soil and plant initialization file
- [surf\_stor](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru/surf_stor.md): Pointer to the wetland file
- [snow](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru/snow.md): Pointer to the snow file
- [field](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-data.hru/field.md): Pointer to the field file
- [hru-lte.hru](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru.md)
- [id (hru-lte.hru)](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/id-hru-lte.hru.md): ID of the HRU-lte
- [name (hru-lte.hru)](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/name_hrulte_db.md): Name of HRU-lte
- [area](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/area.md): HRU-lte drainage area
- [cn2](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/cn2.md): Condition II Curve Number
- [cn3\_swf](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/cn3_swf.md): Soil water factor for CN3
- [t\_conc](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/t_conc.md): Time of concentration
- [soil\_dp](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/soil_dp.md): Soil profile depth
- [perco\_co](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/perco_co.md): Soil percolation coefficient
- [slp](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/slp.md): Land surface slope
- [slp\_len](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/slp_len.md): Land surface slope length
- [et\_co](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/et_co.md): ET coefficient
- [aqu\_sp\_yld](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/aqu_sp_yld.md): Specific yield of the shallow aquifer
- [alpha\_bf](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/alpha_bf.md): Baseflow alpha factor
- [revap](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/revap.md): Revap coefficient
- [rchg\_dp](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/rchg_dp.md): Percolation coefficient from shallow to deep aquifer
- [sw\_init](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/sw_init.md): Initial soil water (fraction of available water capacity)
- [aqu\_init](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/aqu_init.md): Initial shallow aquifer storage
- [aqu\_sh\_flo](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/aqu_sh_flo.md): Initial shallow aquifer flow
- [aqu\_dp\_flo](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/aqu_dp_flo.md): Initial deep aquifer flow
- [snow\_h2o](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/snow_h2o.md): Initial snow water equivalent
- [lat](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/lat.md): Latitude
- [soil\_text](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/soil_text.md): Soil texture
- [trop\_flag](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/trop_flag.md): Tropical flag
- [grow\_start](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/grow_start.md): Start of growing season for non-tropical/start of monsoon initialization period for tropical
- [grow\_end](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/grow_end.md): End of growing season for non-tropical/start of monsoon initialization period for tropical
- [plnt\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/plnt_typ.md): Plant type
- [stress](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/stress.md): Plant stress
- [pet\_flag](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/pet_flag.md): Potential ET method
- [irr\_flag](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/irr_flag.md): Irrigation code
- [irr\_src](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/irr_src.md): Irrigation source
- [t\_drain](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/t_drain.md): Design subsurface tile drain time
- [usle\_k](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/usle_k.md): USLE soil erodibility factor K
- [usle\_c](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/usle_c.md): USLE cover factor C
- [usle\_p](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/usle_p.md): USLE support practice factor P
- [usle\_ls](https://swatplus.gitbook.io/io-docs/introduction-1/hydrologic-response-units/hru-lte.hru/usle_ls.md): USLE slope length and slope factor LS
- [Hydrology](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology.md)
- [topography.hyd](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/topography.hyd.md): This file defines the topographic characteristics of the HRUs and Routing Units.
- [name (topography.hyd)](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/topography.hyd/name.md): Name of the topography record
- [slp](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/topography.hyd/slp.md): Average slope steepness
- [slp\_len](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/topography.hyd/slp_len.md): Average slope length
- [lat\_len](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/topography.hyd/lat_len.md): Average slope length for lateral subsurface flow
- [depos](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/topography.hyd/depos.md): Deposition coefficient
- [hydrology.hyd](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd.md): This file defines the hydrological characteristics of the HRUs
- [name (hydrology.hyd)](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/name.md): Name of the hydrology record
- [lat\_time](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/lat_time.md): Lateral flow travel time
- [lat\_sed](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/lat_sed.md): Sediment concentration in lateral and groundwater flow
- [can\_max](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/can_max.md): Maximum canopy storage
- [esco](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/esco.md): Soil evaporation compensation factor
- [epco](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/epco.md): Plant uptake compensation factor
- [orgn\_enrich](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/orgn_enrich.md): Organic nitrogen enrichment ratio for loading with sediment
- [orgp\_enrich](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/orgp_enrich.md): Phosphorus enrichment ratio for loading with sediment
- [cn3\_swf](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/cn3_swf.md): Soil water adjustment factor for CN3
- [bio\_mix](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/bio_mix.md): Biological mixing efficiency
- [perco](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/perco.md): Percolation coefficient
- [lat\_orgn](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/lat_orgn.md): Organic nitrogen concentration in lateral flow
- [lat\_orgp](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/lat_orgp.md): Organic phosphorus concentration in lateral flow
- [pet\_co](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/harg_pet.md): Linear adjustment factor for PET equations
- [latq\_co](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/hydrology.hyd/cn_plntet.md): Lateral flow coefficient
- [snow.sno](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno.md): This file controls the simulation of snowfall and snowmelt processes.
- [name (snow.sno)](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno/name.md): Name of the snow record
- [fall\_tmp](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno/fall_tmp.md): Snowfall temperature
- [melt\_tmp](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno/melt_tmp.md): Snow melt base temperature
- [melt\_max](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno/melt_max.md): Melt factor for snow on June 21
- [melt\_min](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno/melt_min.md): Melt factor for snow on December 21
- [tmp\_lag](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno/tmp_lag.md): Snowpack temperature lag factor
- [snow\_h2o](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno/snow_h2o.md): Minimum snow water content that corresponds to 100% snow cover
- [cov50](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno/cov50.md): Fraction of snow volume corresponding to 50% snow cover
- [snow\_init](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/snow.sno/snow_init.md): Initial snow water content at start of simulation
- [field.fld](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/field.fld.md): This file specifies the properties of representative fields.
- [name (field.fld)](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/field.fld/name.md): Name of the field
- [len](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/field.fld/len.md): Length of the field
- [wd](https://swatplus.gitbook.io/io-docs/introduction-1/hydrology/field.fld/wd.md): Width of the field
- [Soils](https://swatplus.gitbook.io/io-docs/introduction-1/soils.md)
- [soils.sol](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol.md): This file contains the physical soil properties.
- [name (soils.sol)](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/name-soils.sol.md): Name of the soil
- [hyd\_grp](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/hyd_grp.md): Hydrologic soil group of the soil
- [dp\_tot](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/dp_tot.md): Maximum rooting depth
- [anion\_excl](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/anion_excl.md): Fraction of porosity (void space) from which anions are excluded
- [perc\_crk](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/perc_crk.md): Potential or maximum crack volume of the soil profile expressed as a fraction of the total soil volume
- [texture](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/texture.md): Texture of the soil layer
- [bd](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/bd.md): Moist bulk density of the soil layer
- [awc](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/awc.md): Available water capacity of the soil layer
- [soil\_k](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/soil_k.md): Saturated hydraulic conductivity of the soil layer
- [carbon](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/carbon.md): Organic carbon content of the soil layer
- [clay](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/clay.md): Clay content of the soil layer
- [silt](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/silt.md): Silt content of the soil layer
- [sand](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/sand.md): Sand content of the soil layer
- [rock](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/rock.md): Rock fragment content of the soil layer
- [alb](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/alb.md): Moist soil albedo of the top layer
- [usle\_k](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/usle_k.md): USLE equation soil erodibility (K) factor of the top layer
- [ec](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/ec.md): Electrical conductivity of the soil layer
- [caco3](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/caco3.md): Calcium carbonate (CaCO3) content of the soil layer
- [ph](https://swatplus.gitbook.io/io-docs/introduction-1/soils/soils.sol/ph.md): pH value of the soil layer
- [nutrients.sol](https://swatplus.gitbook.io/io-docs/introduction-1/soils/nutrients.sol.md): This file specifies the initial soil nutrient contents.
- [name (nutrients.sol)](https://swatplus.gitbook.io/io-docs/introduction-1/soils/nutrients.sol/name-nutrients.sol.md): Name of the soil nutrient record
- [exp\_co](https://swatplus.gitbook.io/io-docs/introduction-1/soils/nutrients.sol/exp_co.md): Depth coefficient to adjust nutrient concentrations for depth
- [lab\_p](https://swatplus.gitbook.io/io-docs/introduction-1/soils/nutrients.sol/lab_p.md): Labile P in soil surface
- [nitrate](https://swatplus.gitbook.io/io-docs/introduction-1/soils/nutrients.sol/nitrate.md): Nitrate N in soil surface
- [fr\_hum\_act](https://swatplus.gitbook.io/io-docs/introduction-1/soils/nutrients.sol/fr_hum_act.md): Fraction of soil humus that is active
- [hum\_c\_n](https://swatplus.gitbook.io/io-docs/introduction-1/soils/nutrients.sol/hum_c_n.md): Humus C:N ratio
- [hum\_c\_p](https://swatplus.gitbook.io/io-docs/introduction-1/soils/nutrients.sol/hum_c_p.md): Humus C:N ratio
- [Landuse and Management](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management.md)
- [landuse.lum](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum.md): This file summarizes the main land use information and references several other files that specify the details.
- [name (landuse.lum)](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/name.md): Name of the land use and management record
- [cal\_grp](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/cal_grp.md): Calibration group
- [plnt\_com](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/plnt_com.md): Pointer to the plant community file
- [mgt](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/mgt.md): Pointer to the management schedule file
- [cn2](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/cn2.md): Pointer to the Curve Number database
- [cons\_prac](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/cons_prac.md): Pointer to the conservation practice database
- [urban](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/urb_ro.md): Pointer to the urban database
- [urb\_ro](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/urb_ro-1.md): Urban runoff simulation option
- [ov\_mann](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/ov_mann.md): Pointer to the overland Manning's n database
- [tile](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/tile.md): Pointer to the tile drain file
- [sep](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/sep.md): Pointer to the septic file
- [vfs](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/vfs.md): Pointer to the filter strip file
- [grww](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/grww.md): Pointer to the grassed waterway file
- [bmp](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/landuse.lum/bmp.md): Pointer to the user BMP file
- [plant.ini](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini.md): This file stores information about the plants growing in a plant community.
- [name (plant.ini)](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/name_pcom.md): Plant community name
- [plnt\_cnt](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/plnt_cnt.md): Number of plants in the community
- [rot\_yr\_ini](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/rot_yr_ini.md): Initial rotation year
- [plnt\_name](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/plnt_name.md): Plant name as in plant database
- [lc\_status](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/lc_status.md): Land cover status at start of simulation
- [lai\_init](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/lai_init.md): Initial Leaf Area Index
- [bm\_init](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/bm_init.md): Initial plant biomass
- [phu\_init](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/phu_init.md): Initial fraction of plant heat units accumulated
- [plnt\_pop](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/plnt_pop.md): Plant population
- [yrs\_init](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/yrs_init.md): Age of plant at start of simulation
- [rsd\_init](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/plant.ini/rsd_init.md): Initial residue cover
- [management.sch](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/management.sch.md): This file is used to schedule management operations.
- [name (management.sch)](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/management.sch/name-management.sch.md): Name of the management schedule
- [op\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/management.sch/op_typ.md): Type of management operation
- [op\_data1](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/management.sch/op_data1.md): Operation data 1
- [op\_data2](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/management.sch/op_data2.md): Operation data 2
- [op\_data3](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/management.sch/op_data3.md): Operation data 3
- [cntable.lum](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/cntable.lum.md): This file lists typical Curve Number values for different land use types.
- [name (cntable.lum)](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/cntable.lum/name_cn.md): Curve Number class name
- [cn\_a](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/cntable.lum/cn_a.md): Curve number for hydrologic soil group A
- [cn\_b](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/cntable.lum/cn_b.md): Curve number for hydrologic soil group B
- [cn\_c](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/cntable.lum/cn_c.md): Curve number for hydrologic soil group C
- [cn\_d](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/cntable.lum/cn_d.md): Curve number for hydrologic soil group D
- [cons\_practice.lum](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/cons_practice.lum.md): This file lists the USLE P values and slope lengths for various conservation practices.
- [name (cons\_practice.lum)](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/cons_practice.lum/name_consp.md): Name of the conservation practice
- [usle\_p](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/cons_practice.lum/usle_p.md): USLE P factor
- [slp\_len\_max](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/cons_practice.lum/slp_len_max.md): Maximum slope length
- [ovn\_table.lum](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/ovn_table.lum.md): This file lists overland Manning's n values for different tillage and land cover types.
- [name (ovn\_table.lum)](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/ovn_table.lum/name_ovn.md): Overland flow Manning's n class name
- [ovn\_mean](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/ovn_table.lum/ovn_mean.md): Mean overland flow Manning’s n value
- [ovn\_min](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/ovn_table.lum/ovn_min.md): Overland flow Manning's N minimum
- [ovn\_max](https://swatplus.gitbook.io/io-docs/introduction-1/landuse-and-management/ovn_table.lum/ovn_max.md): Overland flow Manning's N maximum
- [Decision Tables](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables.md)
- ["name".dtl](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl.md): These files contain the Decision Tables.
- [var](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/var.md): Condition variable
- [obj](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/obj.md): Object type
- [obj\_num](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/obj_num.md): Object ID
- [lim\_var](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/lim_var.md): Limit variable
- [lim\_op](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/lim_op.md): Limit operator
- [lim\_const](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/lim_const.md): Limit constant
- [alt](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/alt.md): Alternative
- [act\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/act_typ.md)
- [obj](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/obj-1.md): Object type
- [obj\_num](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/obj_num-1.md): Object ID
- [name](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/name.md): Name of the action
- [option](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/option.md)
- [const](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/const.md)
- [const2](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/const2.md)
- [fp](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/fp.md): File pointer
- [outcome](https://swatplus.gitbook.io/io-docs/introduction-1/decision-tables/lum.dtl/outcome.md): Outcome
- [Management Practices](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices.md)
- [harv.ops](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/harv.ops.md): This file contains pre-defined harvest operations.
- [name (harv.ops)](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/harv.ops/name_harvops.md): Harvest operation name
- [harv\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/harv.ops/harv_typ.md): Harvest type
- [harv\_idx](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/harv.ops/harv_idx.md): Harvest index target specified at harvest
- [harv\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/harv.ops/harv_eff.md): Harvest efficiency
- [harv\_bm\_min](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/harv.ops/harv_bm_min.md): ​Minimum biomass to allow harvest
- [graze.ops](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/graze.ops.md): This file contains pre-defined grazing operations.
- [name (graze.ops)](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/graze.ops/name_graze.md): Grazing operation name
- [fertname](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/graze.ops/fertnm.md): Fertilizer name for manure deposited during grazing
- [bm\_eat](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/graze.ops/eat.md): Dry weight of biomass removed by grazing daily
- [bm\_tramp](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/graze.ops/tramp.md): Dry weight of biomass removed by trampling daily
- [man\_amt](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/graze.ops/manure.md): Dry weight of manure deposited daily
- [grz\_bm\_min](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/graze.ops/bio_min.md): Minimum plant biomass for grazing to occur
- [irr.ops](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/irr.ops.md): This file contains pre-defined irrigation operations.
- [name (irr.ops)](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/irr.ops/name_irr.md): ​Irrigation operation name
- [irr\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/irr.ops/irr_eff.md): ​Irrigation in-field efficiency
- [surq\_rto](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/irr.ops/surq_rto.md): ​Surface runoff ratio
- [irr\_amt](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/irr.ops/irr_amt.md): ​Irrigation application amount
- [irr\_dep](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/irr.ops/irr_dep.md): Depth of application for subsurface irrigation
- [irr\_salt](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/irr.ops/irr_salt.md): Concentration of total salt in irrigation water
- [irr\_no3n](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/irr.ops/irr_no3n.md): Concentration of total nitrate in irrigation water
- [irr\_po4](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/irr.ops/irr_po4.md): Concentration of phosphate in irrigation water
- [chem\_app.ops](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/chem_app.ops.md): This file contains pre-defined fertilizer, manure, and pesticide application operations.
- [name (chem\_app.ops)](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/chem_app.ops/name_chem.md): Chemical application name
- [app\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/chem_app.ops/app_eff.md): Application efficiency
- [inject\_dp](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/chem_app.ops/inject_dp.md): Injection depth
- [surf\_frac](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/chem_app.ops/surf_frac.md): Surface fraction
- [fire.ops](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/fire.ops.md): This file contains pre-defined burning/fire operations.
- [name (fire.ops)](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/fire.ops/name_fire.md): Fire operation name
- [chg\_cn2](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/fire.ops/chg_cn2.md): Change in SCS Curve Number II value
- [frac\_burn](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/fire.ops/frac_burn.md): ​Fraction burned
- [sweep.ops](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/sweep.ops.md): This file contains pre-defined street sweeping operations.
- [name (sweep.ops)](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/sweep.ops/name_sweep.md): Street sweeping operation name
- [swp\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/sweep.ops/swp_eff.md): Removal efficiency of sweeping operation
- [frac\_curb](https://swatplus.gitbook.io/io-docs/introduction-1/management-practices/sweep.ops/frac_curb.md): Fraction of the curb length that is sweepable
- [Structural Practices](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices.md)
- [tiledrain.str](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str.md): This file contains the tile drainage parameters.
- [name (tiledrain.str)](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str/name_tiledb.md): Name of the tile drain record
- [dp](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str/dp.md): ​Depth of drain tube from the soil surface
- [t\_fc](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str/t_fc.md): Time to drain soil to field capacity
- [lag](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str/lag.md): ​Drain tile lag time
- [rad](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str/rad.md): Effective radius of drains
- [dist](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str/dist.md): Distance between two drain tubes or tiles
- [drain](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str/drain.md): Drainage coefficient
- [pump](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str/pump.md): Pump capacity
- [lat\_ksat](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/tiledrain.str/lat_ksat.md): Multiplication factor to determine lateral saturated hydraulic conductivity
- [filterstrip.str](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/filterstrip.str.md): This file contains the filter strip parameters.
- [name (filterstrip.str)](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/filterstrip.str/name_fsdb.md): Name of filter strip record
- [fld\_vfs](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/filterstrip.str/fld_vfs.md): ​Ratio of field area to filter strip area
- [con\_vfs](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/filterstrip.str/con_vfs.md): ​Fraction of flow entering the most concentrated 10% of the filter strip
- [cha\_q](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/filterstrip.str/cha_q.md): Fraction of fully channelized flow
- [grassedww.str](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/grassedww.str.md): This file contains the grassed waterway parameters.
- [name (grassedww.str)](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/grassedww.str/name_grwdb.md): Name of the grassed waterway record
- [mann](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/grassedww.str/mann.md): Manning's n for grassed waterway
- [sed\_co](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/grassedww.str/sed_co.md): Sediment transport coefficient
- [dp](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/grassedww.str/dp.md): Depth of grassed waterway
- [wd](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/grassedww.str/wd.md): Width of grassed waterway
- [len](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/grassedww.str/len.md): Length of grassed waterway
- [slp](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/grassedww.str/slp.md): Slope of grassed waterway
- [bmpuser.str](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/bmpuser.str.md): This file contains the user Best Management Practice parameters.
- [name (bmpuser.str)](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/bmpuser.str/name_bmpdb.md): Name of user BMP record
- [sed\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/bmpuser.str/sed_eff.md): Sediment removal by BMP
- [ptlp\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/bmpuser.str/ptlp_eff.md): Particulate P removal by BMP
- [solp\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/bmpuser.str/solp_eff.md): ​Soluble P removal by BMP
- [ptln\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/bmpuser.str/ptln_eff.md): Particulate N removal by BMP
- [soln\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/bmpuser.str/soln_eff.md): Soluble N removal by BMP
- [bact\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/bmpuser.str/bact_eff.md): Bacteria removal by BMP
- [septic.str](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str.md): This file contains the septic system parameters.
- [name (septic.str)](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/name_sepdb.md): Name of septic system record
- [typ](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/typ.md): Septic system type
- [yr](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/yr.md): ​Year the septic system became operational
- [operation](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/operation.md): ​Septic system operation flag
- [residents](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/residents.md): ​Number of permanent residents in the house
- [area](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/area.md): ​Average area of drainfield of individual septic systems
- [t\_fail](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/t_fail.md): Time until failing systems gets fixed
- [dp\_bioz](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/dp_bioz.md): Depth to the top of the biozone layer from the ground surface
- [thk\_bioz](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/thk_bioz.md): Thickness of biozone layer
- [cha\_dist](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/cha_dist.md): Distance from septic system to the stream
- [sep\_dens](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/sep_dens.md): Number of septic systems per square kilometer
- [bm\_dens](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/bm_dens.md): Density of biomass
- [bod\_decay](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/bod_decay.md): BOD decay rate coefficient
- [bod\_conv](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/bod_conv.md): Conversion factor representing the proportion of mass bacterial growth and mass BOD degraded in the septic system
- [fc\_lin](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/fc_lin.md): Linear coefficient for calculation of field capacity in the biozone
- [fc\_exp](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/fc_exp.md): Exponential coefficient for calculation of field capacity in the biozone
- [fecal\_decay](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/fecal_decay.md): Fecal coliform bacteria decay rate coefficient
- [tds\_conv](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/tds_conv.md): Conversion factor for plaque from Total Dissolved Solids
- [mort](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/mort.md): Mortality rate coefficient
- [resp](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/resp.md): Respiration rate coefficient
- [slough1](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/slough1.md): Linear coefficient for calculating the rate of biomass sloughing
- [slough2](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/slough2.md): Exponential coefficient for calculating the rate of biomass sloughing
- [nit](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/nit.md): Nitrification rate coefficient
- [denit](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/denit.md): Denitrification rate coefficient
- [p\_sorp](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/p_sorp.md): Linear P sorption distribution coefficient
- [p\_sorp\_max](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/p_sorp_max.md): Maximum P sorption capacity
- [solp\_slp](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/solp_slp.md): Slope of the linear effluent soluble P equation
- [solp\_int](https://swatplus.gitbook.io/io-docs/introduction-1/structural-practices/septic.str/solp_init.md): Intercept of the linear effluent soluble P equation
- [Databases](https://swatplus.gitbook.io/io-docs/introduction-1/databases.md)
- [plants.plt](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt.md): The plant growth database file stores information required to simulate plant growth by plant species.
- [name (plants.plt)](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled.md): Name of the plant/landcover
- [plnt\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-21.md): Plant/landcover type
- [gro\_trig](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-20.md): Phenology trigger
- [nfix\_co](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-19.md): Nitrogen fixation coefficient
- [days\_mat](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-18.md): Days to maturity
- [bm\_e](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-17.md): Biomass-energy ratio
- [harv\_idx](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-16.md): Harvest index for optimal growth conditions
- [lai\_pot](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-15.md): Maximum potential leaf area index
- [frac\_hu1](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-14.md): Fraction of the plant growing season or the total potential heat units corresponding to the 1st point on optimal leaf area development curve
- [lai\_max1](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-13.md): Fraction of the maximum leaf area index corresponding to the 1st point on optimal leaf area development curve
- [frac\_hu2](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-12.md): Fraction of the plant growing season or the total potential heat units corresponding to the 2nd point on optimal leaf area development curve
- [lai\_max2](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-11.md): Fraction of the maximum leaf area index corresponding to the 2nd point on optimal leaf area development curve
- [hu\_lai\_decl](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-10.md): Fraction of growing season when leaf area begins to decline
- [dlai\_rate](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-9.md): Exponent that governs LAI decline rate
- [can\_ht\_max](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-8.md): Maximum canopy height
- [rt\_dp\_max](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-7.md): Maximum rooting depth
- [tmp\_opt](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-6.md): Optimal temperature for plant growth
- [tmp\_base](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/tmp_base.md): Minimum temperature for plant growth
- [frac\_n\_yld](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_n_yld.md): Normal fraction of nitrogen in yield
- [frac\_p\_yld](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_p_yld.md): Normal fraction of phosphorus in yield
- [frac\_n\_em](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_n_em.md): Normal fraction of nitrogen in plant biomass at emergence
- [frac\_n\_50](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_n_50.md): Normal fraction of nitrogen in plant biomass at 50% maturity
- [frac\_n\_mat](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_n_mat.md): Normal fraction of nitrogen in plant biomass at maturity
- [frac\_p\_em](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_p_em.md): Normal fraction of phosphorus in plant biomass at emergence
- [frac\_p\_50](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_p_50.md): Normal fraction of phosphorus in plant at 50% maturity
- [frac\_p\_mat](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_p_mat.md): Normal fraction of phosphorus in plant at maturity
- [harv\_idx\_ws](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/harv_idx_ws.md): Harvest index that represents the lowest harvest index expected due to water stress
- [usle\_c\_min](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/usle_c_min.md): Minimum value of the USLE C factor for water erosion
- [stcon\_max](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/stcon_max.md): Maximum stomatal conductance at high solar radiation and low vapor pressure deficit
- [vpd](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/vpd.md): Vapor pressure deficit corresponding to the second point on the stomatal conductance curve
- [frac\_stcon](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_stcon.md): Fraction of maximum stomatal conductance corresponding to the second point on the stomatal conductance curve
- [ru\_vpd](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/ru_vpd.md): Rate of decline in radiation use efficiency per unit increase in vapor pressure deficit
- [co2\_hi](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/co2_hi.md): Elevated CO2 atmospheric concentration corresponding the 2nd point on the radiation use efficiency curve
- [bm\_e\_hi](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/bm_e_hi.md): Biomass-energy ratio corresponding to the 2nd point on the radiation use efficiency curve
- [plnt\_decomp](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/plnt_decomp.md): Plant residue decomposition coefficient
- [lai\_min](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/lai_min.md): Minimum LAI during dormant period
- [bm\_tree\_acc](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/bm_tree_acc.md): Fraction of biomass accumulated each year that is converted to residue during dormancy
- [yrs\_mat](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/yrs_mat.md): Years to maturity
- [bm\_tree\_max](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/bm_tree_max.md): Maximum forest biomass
- [ext\_co](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/ext_co.md): Light extinction coefficient
- [leaf\_tov\_min](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/leaf_tov_min.md): Perennial leaf turnover rate with minimum stress
- [leaf\_tov\_max](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/leaf_tov_max.md): Perennial leaf turnover rate with maximum stress
- [bm\_dieoff](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/bm_dieoff.md): Above-ground biomass that dies off at dormancy
- [rt\_st\_beg](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/rt_st_beg.md): Root to shoot ratio at the beginning of the growing season
- [rt\_st\_end](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/rt_st_end.md): Root to shoot ratio at the end of the growing season
- [plnt\_pop1](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/plnt_pop1.md): Plant population corresponding to the 1st point on the population LAI curve
- [frac\_lai1](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_la1.md): Fraction of the maximum leaf area index corresponding to the 1st point on the leaf area development curve
- [plnt\_pop2](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/plnt_pop2.md): Plant population corresponding to the 2nd point on the population LAI curve
- [frac\_lai2](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/frac_lai2.md): Fraction of the maximum leaf area index corresponding to the 2nd point on the leaf area development curve
- [frac\_sw\_gro](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-5.md): Fraction of field capacity to initiate growth of tropical plants during monsoon season
- [aeration](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-4.md): Aeration stress factor
- [rsd\_pctcov](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-3.md): Residue factor for percent cover equation
- [rsd\_covfac](https://swatplus.gitbook.io/io-docs/introduction-1/databases/plants.plt/untitled-2.md): Residue factor for surface cover (C factor) equation
- [urban.urb](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb.md): The urban database summarizes parameters used by the model to simulate different types of urban areas.
- [name (urban.urb)](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/name_urbdb.md): Name of the urban land type
- [frac\_imp](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/frac_imp.md): Fraction of total impervious area in urban land type
- [frac\_dc\_imp](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/frac_dc_imp.md): Fraction of directly connected impervious area in urban land type
- [curb\_den](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/curb_den.md): Curb length density
- [urb\_wash](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/urb_wash.md): Wash-off coefficient for removal of constituents from impervious surfaces
- [dirt\_max](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/dirt_max.md): Maximum amount of solids allowed to build up on impervious surfaces
- [t\_halfmax](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/t_halfmax.md): Time for amount of solids on impervious areas to build up to 1/2 of maximum level
- [conc\_totn](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/conc_totn.md): Concentration of total N in suspended solid load from impervious areas
- [conc\_totp](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/conc_totp.md): Concentration of total P in suspended solid load from impervious areas
- [conc\_no3](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/conc_no3.md): Concentration of NO3-N in suspended solid load from impervious areas
- [urb\_cn](https://swatplus.gitbook.io/io-docs/introduction-1/databases/urban.urb/urb_cn.md): Moisture condition II curve number for impermeable areas
- [tillage.til](https://swatplus.gitbook.io/io-docs/introduction-1/databases/tillage.til.md): The tillage database summarizes parameters used by the model to simulate the effects of different types of tillage equipment.
- [name (tillage.til)](https://swatplus.gitbook.io/io-docs/introduction-1/databases/tillage.til/name_tilldb.md): Name of tillage record
- [mix\_eff](https://swatplus.gitbook.io/io-docs/introduction-1/databases/tillage.til/mix_eff.md): Mixing efficiency of the tillage operation
- [mix\_dp](https://swatplus.gitbook.io/io-docs/introduction-1/databases/tillage.til/mix_dp.md): Depth of mixing caused by the tillage operation
- [fertilizer.frt](https://swatplus.gitbook.io/io-docs/introduction-1/databases/fertilizer.frt.md): The fertilizer database summarizes parameters used by the model to simulate different types of fertilizer and manure.
- [name (fertilizer.frt)](https://swatplus.gitbook.io/io-docs/introduction-1/databases/fertilizer.frt/name_fertdb.md): Name of the fertilizer or manure record
- [min\_n](https://swatplus.gitbook.io/io-docs/introduction-1/databases/fertilizer.frt/min_n.md): Fraction of fertilizer that is mineral N (NO3+NH3)
- [min\_p](https://swatplus.gitbook.io/io-docs/introduction-1/databases/fertilizer.frt/min_p.md): Fraction of fertilizer that is mineral P
- [org\_n](https://swatplus.gitbook.io/io-docs/introduction-1/databases/fertilizer.frt/org_n.md): Fraction of fertilizer that is organic N
- [org\_p](https://swatplus.gitbook.io/io-docs/introduction-1/databases/fertilizer.frt/org_p.md): Fraction of fertilizer that is organic P
- [nh3\_n](https://swatplus.gitbook.io/io-docs/introduction-1/databases/fertilizer.frt/nh3_n.md): Fraction of mineral N content of fertilizer that is NH3
- [pesticide.pes](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes.md): The pesticide database summarizes parameters used by the model to simulate the fate and transport of different types of pesticides.
- [name (pesticide.pes)](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/name_pestdb.md): Name of the pesticide record
- [soil\_ads](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/soil_ads.md): Soil adsorption coefficient normalized for soil organic carbon content
- [frac\_wash](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/frac_wash.md): Fraction of pesticide on foliage that is washed off by rainfall event
- [hl\_foliage](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/hl_foliage.md): Half-life of the pesticide on the foliage
- [hl\_soil](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/hl_soil.md): Half-life of the pesticide in the soil
- [solub](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/solub.md): Solubility of the pesticide in water
- [aq\_reac](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/aq_reac.md): Aquatic pesticide reaction coefficient
- [aq\_volat](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/aq_volat.md): Aquatic volatilization coefficient
- [mol\_wt](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/mol_wt.md): Molecular weight to calculate mixing velocity
- [aq\_resus](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/aq_resus.md): Aquatic resuspension velocity for pesticide sorbed to sediment
- [aq\_settle](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/aq_settle.md): Aquatic settling velocity for pesticide sorbed to sediment
- [ben\_act\_dep](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/ben_act_dep.md): Depth of the active benthic layer
- [ben\_bury](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/ben_bury.md): Burial velocity in the benthic sediment
- [ben\_reac](https://swatplus.gitbook.io/io-docs/introduction-1/databases/pesticide.pes/ben_reac.md): Reaction coefficient in the benthic sediment
- [septic.sep](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep.md): The septic systems database summarizes parameters used by the model to simulate different types of Onsite Wastewater Systems.
- [name (septic.sep)](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/name_sepdb.md): Name of the septic record
- [q\_rate](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/q_rate.md): Flow rate of the septic tank effluent (STE)
- [bod](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/bod.md): ​7-day Biological Oxygen Demand (BOD) of the septic tank effluent
- [tss](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/tss.md): Total suspended solids (TSS) in the septic tank effluent
- [nh4\_n](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/nh4_n.md): Ammonium nitrogen in the septic tank effluent
- [no3\_n](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/no3_n.md): ​Nitrate nitrogen in the septic tank effluent
- [no2\_n](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/no2_n.md): Nitrite nitrogen in the septic tank effluent
- [org\_n](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/org_n.md): Organic nitrogen in the septic tank effluent
- [min\_p](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/min_p.md): Mineral phosphorus in the septic tank effluent
- [org\_p](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/org_p.md): Organic phosphorus in the septic tank effluent
- [fcoli](https://swatplus.gitbook.io/io-docs/introduction-1/databases/septic.sep/fcoli.md): Number of fecal coliform in the septic tank effluent
- [Aquifers](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers.md)
- [aquifer.aqu](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu.md): This file contains the general physical and chemical aquifer properties.
- [id (aquifer.aqu)](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/id-aquifer.aqu.md): ID of the aquifer
- [name (aquifer.aqu)](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/name.md): Name of the aquifer
- [init](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/aqu_ini.md): Pointer to the aquifer initialization file
- [gw\_flo](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/gw_flo.md): Initial groundwater flow
- [dep\_bot](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/dep_bot.md): Depth from mid-slope surface to bottom of aquifer
- [dep\_wt](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/dep_wt-1.md): Depth from mid-slope surface to initial water table
- [no3\_n](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/no3_n.md): Initial NO3-N concentration in aquifer
- [sol\_p](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/sol_p.md): Mineral P concentration in aquifer
- [carbon](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/ptl_n.md): Organic carbon in aquifer
- [flo\_dist](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/ptl_p.md): Average flow distance to stream or object
- [bf\_max](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/flo_max.md): Baseflow rate at which all streams linked to an aquifer receive groundwater flow
- [alpha\_bf](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/alpha_bf.md): Alpha factor for groundwater recession curve
- [revap](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/revap.md): Groundwater revap coefficient
- [rchg\_dp](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/rchg_dp.md): Recharge to deeper aquifers
- [spec\_yld](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/spec_yld.md): Specific yield of the aquifer
- [hl\_no3n](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/hl_no3n.md): Half-life of NO3-N in the aquifer
- [flo\_min](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/flo_min.md): Threshold depth from surface to water table for groundwater flow to occur
- [revap\_min](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/aquifer.aqu/revap_min.md): Threshold depth from surface to water table for revap to occur
- [initial.aqu](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/initial.aqu.md): This file contains pointers referencing several files that specify the initial aquifer properties.
- [name (initial.aqu)](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/initial.aqu/name.md): Name of the aquifer initialization record
- [org\_min](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/initial.aqu/org_min.md): Pointer to the organic-mineral initialization file
- [pest](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/initial.aqu/pest.md): Pointer to the pesticide initialization file
- [path](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/initial.aqu/path.md): Pointer to the pathogen initialization file
- [hmet](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/initial.aqu/hmet.md): Pointer to the heavy metal initialization file
- [salt](https://swatplus.gitbook.io/io-docs/introduction-1/aquifers/initial.aqu/salt.md): Pointer to the salt initialization file
- [GWFlow](https://swatplus.gitbook.io/io-docs/introduction-1/modflow.md): Groundwater flow module developed by Ryan Bailey, Colorado State University
- [Channels](https://swatplus.gitbook.io/io-docs/introduction-1/channels.md)
- [channel-lte.cha](https://swatplus.gitbook.io/io-docs/introduction-1/channels/channel-lte.cha.md): This file summarizes the main channel information and references several other files that specify the details.
- [id (channel-lte.cha)](https://swatplus.gitbook.io/io-docs/introduction-1/channels/channel-lte.cha/id-channel-lte.cha.md): ID of the channel
- [name (channel-lte.cha)](https://swatplus.gitbook.io/io-docs/introduction-1/channels/channel-lte.cha/name.md): Name of the channel
- [ini](https://swatplus.gitbook.io/io-docs/introduction-1/channels/channel-lte.cha/cha_ini.md): Pointer to the channel initialization file
- [hyd](https://swatplus.gitbook.io/io-docs/introduction-1/channels/channel-lte.cha/cha_hyd.md): Pointer to the channel hydrology and sediment file
- [nut](https://swatplus.gitbook.io/io-docs/introduction-1/channels/channel-lte.cha/cha_nut.md): Pointer to the channel nutrient file
- [initial.cha](https://swatplus.gitbook.io/io-docs/introduction-1/channels/initial.cha.md): This file references several other files, which initialize nutrients and constituents in channels.
- [name (initial.cha)](https://swatplus.gitbook.io/io-docs/introduction-1/channels/initial.cha/name.md): Name of the channel initialization record
- [org\_min](https://swatplus.gitbook.io/io-docs/introduction-1/channels/initial.cha/ch_org_min.md): Pointer to the organic-mineral initialization file
- [pest](https://swatplus.gitbook.io/io-docs/introduction-1/channels/initial.cha/ch_pest.md): Pointer to the pesticide initialization file
- [salt](https://swatplus.gitbook.io/io-docs/introduction-1/channels/initial.cha/ch_salt.md): Pointer to the salt initialization file
- [hyd-sed-lte.cha](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha.md): This file controls the channel hydrology and sediment properties.
- [name (hyd-sed-lte.cha)](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/name.md): Name of the channel hydrology and sediment record
- [wd](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/wd.md): Channel width
- [dp](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/dp.md): Channel depth
- [slp](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/slp.md): Channel slope
- [len](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/len.md): Channel length
- [mann](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/mann.md): Channel Manning's n value
- [k](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/k.md): Effective hydraulic conductivity of the channel alluvium
- [erod\_fact](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/erod_fact.md): Channel erodibility factor
- [cov\_fact](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/cov_fact.md): Channel cover factor
- [sinu](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/wd_rto.md): Channel sinuosity
- [eq\_slp](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/eq_slp.md): Equilibrium channel slope
- [d50](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/d50.md): Channel median sediment size
- [clay](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/clay.md): Clay content of channel bank and bed
- [carbon](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/carbon.md): Carbon content of channel bank and bed
- [dry\_bd](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/dry_bd.md): Dry bulk density of the channel
- [side\_slp](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/side_slp.md): Channel side slope
- [bed\_load](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/bed_load.md): Percent of sediment entering the channel that is bed material
- [fps](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/fps.md): Floodplain slope
- [fpn](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/fpn.md): Floodplain Manning's n
- [n\_conc](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/hc_erod.md): Nitrogen concentration in channel bank
- [p\_conc](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/hc_ht.md): Phosphorus concentration in channel bank
- [p\_bio](https://swatplus.gitbook.io/io-docs/introduction-1/channels/hyd-sed-lte.cha/hc_len.md): Fraction of phosphorus in bank that is bioavailable
- [nutrients.cha](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha.md): This file controls the channel nutrient properties.
- [name (nutrients.cha)](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/name.md): Name of the channel nutrient record
- [plt\_n](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/plt_n.md): Channel organic N concentration
- [plt\_p](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/plt_p.md): Channel organic P concentration
- [alg\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/alg_stl.md): Local algal settling rate in the channel at 20ºC
- [ben\_disp](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/ben_disp.md): Benthic source rate for dissolved P in the channel at 20ºC
- [ben\_nh3n](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/ben_nh3n.md): Benthic source rate for NH3-N in the channel at 20ºC
- [ptln\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/ptln_stl.md): Organic N settling rate in the channel at 20ºC
- [ptlp\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/ptlp_stl.md): Organic P settling rate in the channel at 20ºC
- [cst\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/cst_stl.md): Arbitrary non-conservative constituent settling rate in the channel at 20ºC
- [ben\_cst](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/ben_cst.md): Benthic source rate for arbitrary non-conservative constituents in the channel at 20ºC
- [cbn\_bod\_co](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/cbn_bod_co.md): Carbonaceous biological oxygen demand deoxygenation rate in the channel at 20ºC
- [air\_rt](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/air_rt.md): Reaeration rate in accordance with Fickian diffusion in the channel at 20ºC
- [cbn\_bod\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/cbn_bod_stl.md): Rate of loss of carbonaceous biological oxygen demand due to settling in the reach at 20 ºC
- [ben\_bod](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/ben_bod.md): Benthic oxygen demand rate in the channel at 20ºC
- [bact\_die](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/bact_die.md): Coliform die-off rate in the reach at 20ºC
- [cst\_decay](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/cst_decay.md): Decay rate for arbitrary non-conservative constituents in the channel at 20ºC
- [nh3n\_no2n](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/nh3n_no2n.md): Biological oxidation rate of NH3 to NO2 in the channel at 20ºC in well-aerated conditions
- [no2n\_no3n](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/no2n_no3n.md): Biological oxidation rate of NO2 to NO3 in the channel at 20ºC in well-aerated conditions
- [ptln\_nh3n](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/ptln_nh3n.md): Hydrolysis rate of organic N to ammonia in the channel at 20ºC
- [ptlp\_solp](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/ptlp_solp.md): Mineralization rate of organic P to dissolved P in the channel at 20ºC
- [q2e\_lt](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/q2e_lt.md): Qual2E light averaging option
- [q2e\_alg](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/q2e_alg.md): Qual2E option for calculating the local specific growth rate of algae
- [chla\_alg](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/chla_alg.md): Ratio of chlorophyll-a to algal biomass
- [alg\_n](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/alg_n.md): Fraction of algal biomass that is N
- [alg\_p](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/alg_p.md): Fraction of algal biomass that is P
- [alg\_o2\_prod](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/alg_o2_prod.md): Oxygen production rate per unit of algal photosynthesis
- [alg\_o2\_resp](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/alg_o2_resp.md): Oxygen uptake rate per unit of algae respiration
- [o2\_nh3n](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/o2_nh3n.md): Oxygen uptake rate per unit of NH3-N oxidation
- [o2\_no2n](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/o2_no2n.md): Oxygen uptake rate per unit of NO2-N oxidation
- [alg\_grow](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/alg_grow.md): Maximum specific algal growth rate at 20ºC
- [alg\_resp](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/alg_resp.md): Algal respiration rate at 20ºC
- [slr\_act](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/slr_act.md): Fraction of solar radiation computed in the temperature heat balance that is photosynthetically active
- [lt\_co](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/lt_co.md): Half-saturation coefficient for light
- [const\_n](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/const_n.md): Michaelis-Menton half-saturation constant for N
- [const\_p](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/const_p.md): Michaelis-Menton half-saturation constant for P
- [lt\_nonalg](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/lt_nonalg.md): Non-algal portion of the light extinction coefficient
- [alg\_shd\_l](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/alg_shd_l.md): Linear algal self-shading coefficient
- [alg\_shd\_nl](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/alg_shd_nl.md): Nonlinear algal self-shading coefficient
- [nh3\_pref](https://swatplus.gitbook.io/io-docs/introduction-1/channels/nutrients.cha/nh3_pref.md): Algal preference factor for ammonia
- [Reservoirs and Ponds](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs.md)
- [reservoir.res](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/reservoir.res.md): This file contains pointers referencing several files that specify the reservoir properties.
- [id (reservoir.res)](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/reservoir.res/id-reservoir.res.md): ID of the reservoir
- [name (reservoir.res)](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/reservoir.res/name.md): Name of the reservoir
- [init](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/reservoir.res/init.md): Pointer to the reservoir and wetland initialization file
- [hyd](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/reservoir.res/hyd.md): Pointer to the reservoir hydrology file
- [rel](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/reservoir.res/rel.md): Pointer to the reservoir and wetland release decision table file
- [sed](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/reservoir.res/sed.md): Pointer to the reservoir and wetland sediment file
- [nut](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/reservoir.res/nut.md): Pointer to the reservoir and wetland nutrient file
- [initial.res](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/initial.res.md): This file contains pointers referencing several files that specify the reservoir and wetland initialization parameters.
- [name (initial.res)](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/initial.res/name.md): Name of the reservoir and wetland initialization record
- [org\_min](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/initial.res/res_org_min.md): Pointer to the organic-mineral initialization file
- [pest](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/initial.res/res_pest.md): Pointer to the pesticide initialization file
- [salt](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/initial.res/res_salt.md): Pointer to the salt initialization file
- [hydrology.res](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res.md): This file contains the reservoir hydrology parameters.
- [name (hydrology.res)](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/name.md): Name of the reservoir hydrology record
- [yr\_op](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/yr_op.md): The year of the simulation that the reservoir becomes operational
- [mon\_op](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/mon_op.md): The month of the simulation that the reservoir becomes operational
- [area\_ps](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/area_ps.md): Reservoir surface area when reservoir is filled to principal spillway
- [vol\_ps](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/vol_ps.md): Volume of water needed to fill the reservoir to principal spillway
- [area\_es](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/area_es.md): Reservoir surface area when reservoir is filled to emergency spillway
- [vol\_es](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/vol_es-1.md): Volume of water needed to fill the reservoir to emergency spillway
- [k](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/k.md): Hydraulic conductivity of the reservoir bottom
- [evap\_co](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/evap_co.md): Lake evaporation coefficient
- [shp\_co1](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/shp_co1.md): Shape coefficient 1 for reservoirs
- [shp\_co2](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/hydrology.res/sho_co2.md): Shape coefficient 2 for reservoirs
- [sediment.res](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/sediment.res.md): This file contains the reservoir and wetland sediment parameters.
- [name (sediment.res)](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/sediment.res/name.md): Name of the reservoir and wetland sediment record
- [nsed](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/sediment.res/nsed.md): Equilibrium sediment concentration in the reservoir
- [d50](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/sediment.res/d50.md): Median particle size of suspended and benthic sediment
- [carbon](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/sediment.res/carbon.md): Organic carbon in suspended and benthic sediment
- [bd](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/sediment.res/bd.md): Bulk density of benthic sediment
- [sed\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/sediment.res/sed_stl.md): Sediment settling rate
- [stl\_vel](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/sediment.res/stl_vel.md): Sediment settling velocity
- [nutrients.res](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res.md): This file contains the reservoir and wetland nutrient parameters.
- [name (nutrients.res)](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/untitled.md): Name of the reservoir and wetland nutrient record
- [mid\_start](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/untitled-7.md): Beginning month of the mid-year nutrient settling period
- [mid\_end](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/untitled-6.md): Ending month of the mid-year nutrient settling period
- [mid\_n\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/untitled-5.md): Nitrogen settling rate during the mid-year nutrient settling period
- [n\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/untitled-4.md): Nitrogen settling rate outside the mid-year nutrient settling period
- [mid\_p\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/untitled-3.md): Phosphorus settling rate during the mid-year nutrient settling period
- [p\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/untitled-2.md): Phosphorus settling rate outside the mid-year nutrient settling period
- [chla\_co](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/untitled-1.md): Chlorophyll-a production coefficient for the reservoir
- [secchi\_co](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/secchi_co.md): Water clarity coefficient for the reservoir
- [theta\_n](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/theta_n.md): Temperature adjustment for nitrogen loss (settling)
- [theta\_p](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/theta_p.md): Temperature adjustment for phosphorus loss (settling)
- [n\_min\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/n_min_stl.md): Minimum nitrogen concentration for settling
- [p\_min\_stl](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/nutrients.res/p_min_stl.md): Minimum phosphorus concentration for settling
- [weir.res](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/weir.res.md): This file contains the reservoir weir parameters.
- [name (weir.res)](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/weir.res/name.md): Name of the reservoir weir record
- [linear\_c](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/weir.res/disch_co.md): Weir discharge linear coefficient
- [exp\_k](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/weir.res/energy_co.md): Weir discharge exponential coefficient
- [width](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/weir.res/weir_wd.md): Width of weir
- [height](https://swatplus.gitbook.io/io-docs/introduction-1/reservoirs/weir.res/vel_co.md): Height of weir above reservoir bottom
- [Wetlands](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands.md)
- [wetland.wet](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/wetland.wet.md): This file contains pointers referencing several files that specify the wetland properties.
- [id (wetland.wet)](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/wetland.wet/numb.md): ID of the wetland
- [name (wetland.wet)](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/wetland.wet/name.md): Name of the wetland
- [init](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/wetland.wet/init.md): Pointer to the reservoir and wetland initialization file
- [hyd](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/wetland.wet/hyd.md): Pointer to the wetland hydrology file
- [rel](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/wetland.wet/rel.md): Pointer to the reservoir and wetland release decision table file
- [sed](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/wetland.wet/sed.md): Pointer to the reservoir and wetland sediment file
- [nut](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/wetland.wet/nut.md): Pointer to the reservoir and wetland nutrient file
- [hydrology.wet](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet.md): This file contains the wetland hydrology parameters.
- [name (hydrology.wet)](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/name.md): Name of the wetland hydrology record
- [hru\_ps](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/hru_ps.md): Fraction of HRU area at principal spillway
- [dp\_ps](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/dp_ps.md): Average depth of water at principal spillway
- [hru\_es](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/hru_es.md): Fraction of HRU area at emergency spillway
- [dp\_es](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/dp_es.md): Average depth of water at emergency spillway
- [k](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/k.md): Hydraulic conductivity of the wetland bottom
- [evap](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/evap.md): Wetland evaporation coefficient
- [vol\_area\_co](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/vol_area_co.md): Volume surface area coefficient for HRU impoundment
- [vol\_dp\_a](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/vol_dp_a.md): Volume depth coefficient for HRU impoundment
- [vol\_dp\_b](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/vol_dp_b.md): Volume depth coefficient for HRU impoundment
- [hru\_frac](https://swatplus.gitbook.io/io-docs/introduction-1/wetlands/hydrology.wet/hru_frac.md): Fraction of HRU that drains into wetland
- [Initialization](https://swatplus.gitbook.io/io-docs/introduction-1/initialization.md)
- [soil\_plant.ini](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/soil_plant.ini.md): This file references several other files, which initialize nutrients and constituents in soils.
- [name (soil\_plant.ini)](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/soil_plant.ini/name-soil_plant.ini.md): Name of the soil and plant initialization
- [sw\_frac](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/soil_plant.ini/sw_frac.md): Soil water fraction at the beginning of the simulation
- [nutrients](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/soil_plant.ini/nutrients.md): Pointer to the nutrient initialization file
- [pest](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/soil_plant.ini/pest.md): Pointer to the pesticide initialization file
- [salt](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/soil_plant.ini/salt.md): Pointer to the salt initialization file
- [om\_water.ini](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini.md)
- [name (om\_water.ini)](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/name.md)
- [vol](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/vol.md)
- [sed](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/sed.md)
- [part\_n](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/part_n.md)
- [part\_p](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/part_p.md)
- [no3](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/no3.md)
- [solp](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/solp.md)
- [chl\_a](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/chl_a.md)
- [nh3](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/nh3.md)
- [no2](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/no2.md)
- [cbn\_bod](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/cbn_bod.md)
- [dis\_ox](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/dis_ox.md)
- [sand](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/sand.md)
- [silt](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/silt.md)
- [clay](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/clay.md)
- [sm\_ag](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/sm_ag.md)
- [l\_ag](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/l_ag.md)
- [gvl](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/gvl.md)
- [tmp](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/om_water.ini/tmp.md)
- [pest\_water.ini](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/pest_water.ini.md)
- [pest\_hru.ini](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/pest_hru.ini.md)
- [salt\_water.ini](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/salt_water.ini.md)
- [salt\_hru.ini](https://swatplus.gitbook.io/io-docs/introduction-1/initialization/salt_hru.ini.md)
- [Constituents](https://swatplus.gitbook.io/io-docs/introduction-1/constituents.md)
- [constituents.cs](https://swatplus.gitbook.io/io-docs/introduction-1/constituents/constituents.cs.md)
- [Point Sources and Inlets](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets.md)
- [recall\_db.rec](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/recall.rec.md): This file lists all recall records used in a simulation.
- [id (recall\_db.rec)](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/recall.rec/id-recall_db.rec.md): Unique ID of the recall record
- [name (recall\_db.rec)](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/recall.rec/name-recall_db.rec.md)
- [om\_name](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/recall.rec/om_name.md): Name of the organic and mineral data file
- [om\_unit](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/recall.rec/om_unit.md): Unit of the organic and mineral data
- [om\_tstep](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/recall.rec/om_tstep.md): Time step of the organic and mineral data
- ['om\_filename'.rec](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/filename.rec.md): This file contains the organic and mineral data for a point source or inlet
- ['pest\_filename'.rec](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/pest_filename.rec.md)
- ['path\_filename'.rec](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/path_filename.rec.md)
- ['hmet\_filename'.rec](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/hmet_filename.rec.md)
- ['salt\_filename'.rec](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/salt_filename.rec.md)
- ['cst\_filename'.rec](https://swatplus.gitbook.io/io-docs/introduction-1/point-sources-and-inlets/cst_filename.rec.md)
- [Connectivity](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity.md)
- ['object'.con](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con.md): This file defines the connectivity of spatial objects.
- [id](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/id.md): Unique ID of the object
- [name](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/name.md): Name of the object
- [gis\_id](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/gis_id.md): Object ID in QSWAT+
- [area](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/area.md): Area of the object
- [lat](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/lat.md): Latitude of the object
- [lon](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/long.md): Longitude of the object
- [elev](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/elev.md): Elevation of the object
- ['obj'](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/hru.md): Pointer to the object data file
- [wst](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/wst.md): Pointer to the weather station file
- [cst](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/cst.md): Pointer to the constituent file
- [ovfl](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/ovfl.md): Pointer to the overbank flooding file
- [rule](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/rule.md): Pointer to the decision table for hydrograph fractions
- [out\_tot](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/out_tot.md): Total number of outgoing hydrographs
- [obj\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/obj_typ.md): Type of the receiving object
- [obj\_id](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/obj_id.md): ID of the receiving object
- [hyd\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/hyd_typ.md): Type of hydrograph that is sent to the receiving object
- [frac](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/hru.con/frac.md): Fraction of hydrograph sent to the receiving object
- [aqu\_cha.lin](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/aqu_cha.lin.md): This file is used to connect an aquifer to multiple channels.
- [chan\_surf.lin](https://swatplus.gitbook.io/io-docs/introduction-1/connectivity/chan_surf.lin.md)
- [Water Allocation](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation.md)
- [water\_allocation.wro](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro.md): This file contains water allocation tables.
- [rule\_typ](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/rule_typ.md): Rule type to allocate water
- [cha\_ob](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/cha_ob.md): Channel as source object
- [ob\_typ (source)](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/ob_typ-source.md): Object type of the source object
- [limit\_mon](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/limit_mon.md): Monthly limits
- [ob\_typ (demand)](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/ob_typ-demand.md): Object type of the demand object
- [withdr](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/withdr.md): Withdrawal type
- [amount](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/amount.md): Withdrawal amount
- [right](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/right.md): Water right
- [rcv\_ob](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/rcv_ob.md): Object type of the receiving object
- [rcv\_num](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/rcv_num.md): ID of the receiving object
- [srcs](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/srcs.md): Number of source objects available for the demand object
- [src](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/src.md): Source object ID
- [frac](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/frac.md): Fraction of demand to be met by source object
- [comp](https://swatplus.gitbook.io/io-docs/introduction-1/water-allocation/water_allocation.wro/comp.md): Compensation from source object
- [Calibration](https://swatplus.gitbook.io/io-docs/introduction-1/calibration.md)
- [codes.sft](https://swatplus.gitbook.io/io-docs/introduction-1/calibration/codes.sft.md)
- [wb\_parms.sft](https://swatplus.gitbook.io/io-docs/introduction-1/calibration/wb_parms.sft.md)
- [water\_balance.sft](https://swatplus.gitbook.io/io-docs/introduction-1/calibration/water_balance.sft.md)
- [cal\_parms.cal](https://swatplus.gitbook.io/io-docs/introduction-1/calibration/cal_parms.cal.md)
- [calibration.cal](https://swatplus.gitbook.io/io-docs/introduction-1/calibration/calibration.cal.md)


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://swatplus.gitbook.io/io-docs/introduction-1.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.