# SWAT+ Input Files

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