File_name,Attribute_name,Type,Units,Description,Dataset,Dataset Link,Source Reference,Notes
,,,,,,,,
site_info.csv,SITENO,character,,USGS site number,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,COMID ,numeric,,Identifier for collection of data that together fully describe characteristics of an NHDPlus catchment,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
site_info.csv,dataset,character,,"originally from CAMELS, MOPEX, or SAME (shared between CAMELS and MOPEX) watershed ",,,,dataset origin (R code)
site_info.csv,huc_cd,numeric,,Hydrologic unit code (geographic area representing all or part of a drainage basin),USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,station_name,character,,Site name,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,state,character,,State location,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,lat_va,numeric,degrees,DMS latitude,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,long_va,numeric,degrees,DMS longitude,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,coord_datum,character,,Latitude-longitude datum,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,dec_lat_va,numeric,,Decimal latitude,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,dec_long_va,numeric,,Decimal longitude,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,dec_coord_datum,character,,Decimal latitude-longitude datum,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,alt_va,numeric,ft,Altitude of gage/land surface in feet above sea level,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,alt_va_meters,numeric,m ,Altitude of gage/land surface in meters above sea level ,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,alt_datum,character,,Altitude datum,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,basin_slope,numeric,percent,"Mean basin slope, percent rise ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
site_info.csv,elev_mean,numeric,m,Mean basin elevation ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
site_info.csv,elev_min,numeric,m,Minimum basin elevation,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
site_info.csv,elev_max,numeric,m,Maximum basin elevation ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
site_info.csv,drain_area_sqmi,numeric,mi2,Drainage area in square miles,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,drain_area_sqkm,numeric,km2,Drainage area in square kilometers,Derived in QGIS using NHD basin delineations,,,Calculated area of polygon
site_info.csv,upstream_site,character,,USGS site numbers for gages of smaller watersheds that reside within a larger catchment and are located upstream of the site_no,,,,Derived in QGIS using NHD basin delineations and station point locations
site_info.csv,no_upstream,numeric,,Number of gages located upstream (smaller watersheds located within basin),,,,Derived in QGIS using NHD basin delineations and station point locations
site_info.csv,tz_cd,character,,"Time zone abbreviation (EST - eastern standard time, CST - central standard time, MST - mountain standard time, PST - pacific standard time)",USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
site_info.csv,site_NWIS,character,,Website URL for NWIS data,USGS National Water Information System,https://waterdata.usgs.gov/nwis?,,
,,,,,,,,
ANLCDyyyy.csv,SITENO,character,,USGS site number,,,,ANCLDyyyy where yyyy corresponds to the 4 digit calendar year 
ANLCDyyyy.csv,11,numeric,percent,Open water - generally with less than 25% cover or vegetation or soil,Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,https://www.mrlc.gov/publications,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,12,numeric,percent,"Perennial ice/snow - Perennial cover of ice and/or snow, generally greater than 25% of total cover",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,21,numeric,percent,"Developed, Open Space - Includes areas with a mixture of some constructed materials, but mostly vegetation in the form of lawn grasses. Impervious surfaces account for less than 20 percent of total cover. These areas most commonly include large-lot single-family housing units, parks, golf courses, and vegetation planted in developed settings for recreation, erosion control, or aesthetic purposes.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,22,numeric,percent,"Developed, Low Intensity -Includes areas with a mixture of constructed materials and vegetation. Impervious surfaces account for 20-49 percent of total cover. These areas most commonly include single-family housing units.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,23,numeric,percent,"Developed, Medium Intensity - Includes areas with a mixture of constructed materials and vegetation. Impervious surfaces account for 50-79 percent of the total cover. These areas most commonly include single-family housing units.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,24,numeric,percent,"Developed, High Intensity - Includes highly developed areas where people reside or work in high numbers. Examples include apartment complexes, row houses and commercial/industrial. Impervious surfaces account for 80 to 100 percent of the total cover.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,31,numeric,percent,"Barren Land (Rock/Sand/Clay) - Barren areas of bedrock, desert pavement, scarps, talus, slides, volcanic material, glacial debris, sand dunes, strip mines, gravel pits and other accumulations of earthen material. Generally, vegetation accounts for less than 15% of total cover.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,41,numeric,percent,"Deciduous Forest - Areas dominated by trees generally greater than 5 meters tall, and greater than 20% of total vegetation cover. More than 75 percent of the tree species shed foliage simultaneously in response to seasonal change.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,42,numeric,percent,"Evergreen Forest - Areas dominated by trees generally greater than 5 meters tall, and greater than 20% of total vegetation cover. More than 75 percent of the tree species maintain their leaves all year. Canopy is never without green foliage.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,43,numeric,percent,"Mixed Forest - Areas dominated by trees generally greater than 5 meters tall, and greater than 20% of total vegetation cover. Neither deciduous nor evergreen species are greater than 75 percent of total tree cover.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,52,numeric,percent,"Shrub/Scrub - Areas dominated by shrubs; less than 5 meters tall with shrub canopy typically greater than 20% of total vegetation. This class includes true shrubs, young trees in an early successional stage or trees stunted from environmental conditions.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,71,numeric,percent,"Grassland/Herbaceous - Areas dominated by grammanoid or herbaceous vegetation, generally greater than 80% of total vegetation. These areas are not subject to intensive management such as tilling but can be utilized for grazing.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,81,numeric,percent,"Pasture/Hay - Areas of grasses, legumes, or grass-legume mixtures planted for livestock grazing or the production of seed or hay crops, typically on a perennial cycle. Pasture/hay vegetation accounts for greater than 20 percent of total vegetation.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,82,numeric,percent,"Cultivated Crops - Areas used to produce annual crops, such as corn, soybeans, vegetables, tobacco, and cotton, and also perennial woody crops such as orchards and vineyards. Crop vegetation accounts for greater than 20 percent of total vegetation. This class also includes all land being actively tilled.",Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,90,numeric,percent,Woody Wetlands - Areas where forest or shrub land vegetation accounts for greater than 20 percent of vegetative cover and the soil or substrate is periodically saturated with or covered with water.,Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
ANLCDyyyy.csv,95,numeric,percent,Emergent Herbaceous Wetlands - Areas where perennial herbaceous vegetation accounts for greater than 80 percent of vegetative cover and the soil or substrate is periodically saturated with or covered with water.,Multi-Resolution Land Characteristics (MRLC) Consortium,https://www.mrlc.gov/data,,"Raster processing in QGIS, percentage calculations in R"
,,,,,,,,
annual_climate.csv,SITENO,character,,USGS site number,,,,
annual_climate.csv,YR,,,4-digit calendar year ,,,,
annual_climate.csv,CDD,numeric,days/yr,"Maximum length of dry spell, maximum number of consecutive dry days with precipitation less than 1 mm",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,CSDI,numeric,days/yr,"Cold spell duration index, annual count of days with at least 6 consecutive days when the daily minimum T falls below the 10th percentile",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,CWD,numeric,days/yr,"Maximum length of wet spell, maximum number of consecutive wet days with precipitation greater than or equal to 1 mm",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,FD,numeric,days/yr,"Number of frost days, annual count of days when daily minimum temperature is less than 0 degrees Celcius",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,GSL,numeric,days ,"Growing season length, annual (January 1 to December 31) in Northern Hemisphere count between first span of at least 6 days with daily mean temperature greater than 5C and first span after July 1 of 6 days with daily mean temperature less than 5C",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,ID,numeric,days/yr,"Number of icing days, annual count of days when daily maximum temperature (TMAX) is less than 0 degrees Celcius",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,PRCPTOT,numeric,mm/yr,Annual total precipitation in wet days when daily precipitation is greater than or equal to 1 mm,Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,R00mm,numeric,days/yr,Annual count of days when precipitation is zero ,Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,R01mm,numeric,days/yr,Annual count of days when precipitation is greater than or equal to 1 mm (wet day),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,R10mm,numeric,days/yr,Annual count of days when precipitation is greater than or equal to 10 mm ,Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,R20mm,numeric,days/yr,Annual count of days when precipitation is greater than or equal to 20 mm,Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,R95pTOT,numeric,mm/yr,Annual total precipitation when daily precipitation is greater than 95th percentile,Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,R99pTOT,numeric,mm/yr,Annual total precipitation when daily precipitation is greater than 99th percentile,Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,Rx1day,numeric,mm/day,Monthly maximum 1 day precipitation (given for each year),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,Rx5day ,numeric,mm/5days,Monthly maximum consecutive 5 day precipitation (given for each year),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,SDII,numeric,mm/day,"Simple duration intensity index, the average amount of rainfall that occurs on wet days within a given period",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,SPEI,numeric,unitless,"Standardized precipitation evapotranspiration index, drought index based on precipitation and evapotranspiration data",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,SPI,numeric,unitless,"Standardized precipitation index, drought index using number of standard deviations from long term mean",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,SU,numeric,days/yr,"Number of summer days, annual count of days when daily maximum temperature is greater than 25 degrees Celcius",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,TR,numeric,days/yr,"Number of tropical nights, annual count of days when daily minimum temperature (TMIN) is greater than 20 degrees Celcius",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
annual_climate.csv,WSDI,numeric,days/yr,"Warm spell duration index, annual count of days with at least 6 consecutive days when daily maximum temperature TX (TMAX) is above the 90th percentile (>90p)",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
,,,,,,,,
anthropogenic.csv,SITENO,character,,USGS site number,,,,
anthropogenic.csv,dam_count,numeric,count,Number of dams in catchment delineation (QGIS polygons),National Inventory of Dams (accessed 2024),,,Dam locations were plotted within QGIS and each basin polygon was used to determine the number within boundaries
anthropogenic.csv,min_NID,numeric,acre-ft,Minimum NID storage for all dams in catchment,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
anthropogenic.csv,max_NID,numeric,acre-ft,Maximum NID storage for all dams in catchment,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
anthropogenic.csv,TOT_POPDENS90,numeric,persons per sq km,Population density from 1990 Census block level data ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"USGS (Falcone, 2016)",
anthropogenic.csv,TOT_POPDENS00,numeric,persons per sq km,Population density from 2000 Census block level data,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_POPDENS10,numeric,persons per sq km,Population density from 2010 Census block level data ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_FRESHWATER_WD,numeric,megaliters/yr per sq km,Annual freshwater withdrawals averaged over the years 1995-2000 using county level estimates ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"USGS, written communication (Falcone, 2015)",
anthropogenic.csv,TOT_S1100,numeric,km roads per sq km,"Density of primary roads, generally divided, limited access highways within interstate highway system or under state management, interchanges, accessible by ramps and may include toll highways (density defined as length of road divided by catchment area)",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1200,numeric,km roads per sq km,"Density of secondary roads, main arteries, usually in US Highway, State Highway or County Highway system, one or more lanes of traffic in each direction, may or may not be divided, at grade intersections, often with local name and route number",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1400,numeric,km roads per sq km,"Density of local neighborhood roads, rural roads, and city streets. Generally a paved non-arterial street, road, or byway that usually has a single lane of traffic in each direction. Roads in this feature class may be privately or publicly maintained. Scenic park roads would be included in this feature class, as would (depending on the region of the country) some unpaved roads",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1500,numeric,km roads per sq km,"Density of density of vehicular trails (4WD). An unpaved dirt trail where a four-wheel drive vehicle is required. These vehicular trails are found almost exclusively in very rural areas. Minor, unpaved roads usable by ordinary cars and trucks belong in the S1400 category.",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1630,numeric,km roads per sq km,"Density of ramps. A road that allows controlled access from adjacent roads onto a limited access highway, often in the form of a cloverleaf interchange. These roads are not addressable.",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1640,numeric,km roads per sq km,"Density of service drives usually along highways. A road, usually paralleling a limited access highway that provides access to structures along the highway. These roads can be named and may intersect with other roads.",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1710,numeric,km roads per sq km,"Density of walkways or pedestrian trails. A path that is used for walking, being either too narrow for or legally restricted from vehicular traffic",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1720,numeric,km roads per sq km,Density of stairways. A pedestrian passageway from one level to another by a series of steps. ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1730,numeric,km roads per sq km,Density of alleys. A service road that does not generally have associated addressed structures and is usually unnamed. It is located at the rear of buildings and properties and is used for deliveries.,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1740,numeric,km roads per sq km,"Density of private roads for service vehicles (logging, oil fields, ranches, etc.) A road within private property that is privately maintained for service, extractive, or other purposes. These roads are often unnamed.",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1780,numeric,km roads per sq km,Density of parking lot roads. The main travel route for vehicles through a paved parking area. ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_S1820,numeric,km roads per sq km,"Density of bike paths or trails. A path that is used for manual or small, motorized bicycles, being either too narrow for or legally restricted from vehicular traffic.",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_TOTAL_ROAD_DENS,numeric,km roads per sq km,Density of total upstream routed accumulated density of all road types,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,TOT_RDX,numeric,count,Accumulated upstream number of road to stream crossings,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
anthropogenic.csv,GAGESII_class,character,,Reference or Non-reference classification based on the GAGESII critieria,GAGESII,https://www.sciencebase.gov/catalog/item/59692a64e4b0d1f9f05fbd39,"Falcone, J.A., 2017, U.S. Geological Survey GAGES-II time series data from consistent sources of land use, water use, agriculture, timber activities, dam removals, and other historical anthropogenic influences: U.S. Geological Survey data release, https://doi.org/10.5066/F7HQ3XS4.",
anthropogenic.csv,WR_report_remarks,character,,Annual Data Report (ADR) remarks regarding flow alterations,GAGESII,https://www.sciencebase.gov/catalog/item/59692a64e4b0d1f9f05fbd39,"Falcone, J.A., 2017, U.S. Geological Survey GAGES-II time series data from consistent sources of land use, water use, agriculture, timber activities, dam removals, and other historical anthropogenic influences: U.S. Geological Survey data release, https://doi.org/10.5066/F7HQ3XS4.",
anthropogenic.csv,ADR_citation,character,,"Reference to ADR report information, also available on USGS NWIS page ",GAGESII,https://www.sciencebase.gov/catalog/item/59692a64e4b0d1f9f05fbd39,"Falcone, J.A., 2017, U.S. Geological Survey GAGES-II time series data from consistent sources of land use, water use, agriculture, timber activities, dam removals, and other historical anthropogenic influences: U.S. Geological Survey data release, https://doi.org/10.5066/F7HQ3XS4.",
anthropogenic.csv,Screening_comments,character,,Screening comments from NAWQA personnel visual evaluation,GAGESII,https://www.sciencebase.gov/catalog/item/59692a64e4b0d1f9f05fbd39,"Falcone, J.A., 2017, U.S. Geological Survey GAGES-II time series data from consistent sources of land use, water use, agriculture, timber activities, dam removals, and other historical anthropogenic influences: U.S. Geological Survey data release, https://doi.org/10.5066/F7HQ3XS4.",
,,,,,,,,
dam_info.csv,SITENO,character,,USGS site number,,,,
dam_info.csv,Dam_name,character,,Name of dam  ,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,NID_ID,character,,Official NID identification number known formerly as the National ID. First two characters identify the two-letter state abbreviation and the last five to six characters are a unique number. ,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Owner_name,character,,Name of dam owner,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Owner_type,character,,"Category describing dam owner, more than one type will be separated by semicolon",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Purpose,character,,Purpose for which the reservoir is used,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Latitude,numeric,,"Latitude in decimal degrees, NAD83",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Longitude,numeric,,"Longitude in decimal degrees, NAD83",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,State,character,,State,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,County,character,,County ,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,City,character,,City,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,River_name,character,,River or stream name ,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,State_reg,character,,Name of primary state agency with regulatory or approval authority,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Dam_type,character,,Type of dam materials,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,NID_Height_ft,numeric,ft,"Maximum value of dam height, structural height, and hydraulic height, accepted as general height of dam ",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,NID_Height_cat,character,,Category of dam height,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Dam_length_ft,numeric,ft,"Length of the dam which is defined as the length along the top of the dam, including spillway, powerplant, navigation lock, etc, detached structures not included",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Volume_cubic_yards,numeric,cubic yards,"Total number of cubic yards occupied by the materials used in the dam structure. Portions of powerhouse, locks, and spillways only included if integral to dam and required for structural stability. ",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Year_completed,numeric,year,Year (four digits) when the original main dam structure was completed,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Year_completed_category,general,,Category of decade completion,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,NID_storage_acre_ft,numeric,acre-ft,"Maximum value of normal storage and maximum storage, accepted as general storage of dam",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Max_storage_acre_ft,numeric,acre-ft,"Maximum storage defined as total storage space in reservoir below the maximum attainable water surface elevation, including any surcharge storage",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Normal_storage_acre_ft,numeric,acre-ft,"Normal storage defined as total storage space in reservoir below the normal retention level, including dead and inactive storage and excluding any flood control or surcharge storage. Normally dry dams will have zero value. ",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Surface_area_acres,numeric,acres,Surface area of the impoundment at its normal retention level,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Drainage_area_sq_miles,numeric,sq miles,Drainage area of the dam which is defined as the area that drains to a particular point (the dam) on a river or stream,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Max_discharge_cubic_ft_sec,numeric,cubic ft/sec,Number of cubic feet per second which the spillway is capable of discharging when the reservoir is at its maximum designed water surface elevation,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Spillway_type,character,,Type of spillway,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Spillway_width_ft,numeric,ft,"Width of the spillway to the nearest foot, available for discharge when the reservoir is at its maximum designed water surface elevation. Typically for open channel spillway, this is the bottom width. For pipe spillways or drop inlets that have diameters, use the diameter of the pipe. ",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Hazard_potential_class,character,,"Category to indicate the potential hazard to downstream area resulting from failure or misoperation of dam or facilities. Reflects probable loss of human life and impacts on economic, environmental, and lifeline interests. Does not speak to condition of the dam or risk of dam failing. ",National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
dam_info.csv,Condition_assessment,character,,Assessment that describes the condition of the dam based on available information. ,National Inventory of Dams (accessed 2024),https://nid.sec.usace.army.mil/#/,,
,,,,,,,,
discharge_mach.csv,SITENO,character,,USGS site number,,,,
discharge_mach.csv,count_rec,numeric,,Record count for streamflow data provided in this dataset,,,,daily streamflow data observations for MACH basins (R code)
discharge_mach.csv,first_date,Date,,Begin date for streamflow data provided in this dataset,,,,daily streamflow data observations for MACH basins (R code)
discharge_mach.csv,last_date,Date,,End date for streamflow data provided in this dataset,,,,daily streamflow data observations for MACH basins (R code)
discharge_mach.csv,1980 - 2023,numeric,,Number of days with streamflow data present in each corresponding calendar year (Jan 1 - Dec 31) including leap years,,,,daily streamflow data observations for MACH basins (R code)
,,,,,,,,
discharge_mopex.csv,SITENO,character,,USGS site number,,,,
discharge_mopex.csv,count_rec,numeric,,Record count for streamflow data provided in this dataset for MOPEX historical data ,,,,daily streamflow observations for MOPEX basins (R code)
discharge_mopex.csv,1949 - 1979,numeric,,Number of days with streamflow data present in each corresponding calendar year (Jan 1 - Dec 31) including leap years,,,,daily streamflow observations for MOPEX basins (R code)
,,,,,,,,
geology.csv,SITENO,character,,USGS site number,,,,
geology.csv,TOT_ROCKTYPE_100,numeric,percent,"Percent of catchment underlain by principal aquifer rock type, unconsolidated sand and gravel aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003, https://doi.org/10.3133/70046037",
geology.csv,TOT_ROCKTYPE_200,numeric,percent,"Percent of catchment underlain by principal aquifer rock type, semiconsolidated sand aquifer ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_ROCKTYPE_300,numeric,percent,"Percent of catchment underlain by principal aquifer rock type, sandstone aquifer ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_ROCKTYPE_400,numeric,percent,"Percent of catchment underlain by principal aquifer rock type, carbonate rock aquifer ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_ROCKTYPE_500,numeric,percent,"Percent of catchment underlain by principal aquifer rock type, sandstone and carbonate rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_ROCKTYPE_600,numeric,percent,"Percent of catchment underlain by principal aquifer rock type, igneous and metamorphic rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_ROCKTYPE_999,numeric,percent,"Percent of catchment underlain by principal aquifer rock type, other (not principal aquifer)",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ101,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Basin and Range basin-fill aquifers ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ102,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Rio Grand aquifer system",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ103,numeric,percent,"Percent of catchment underlain by Principal Aquifer, California Coastal Basin aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ104,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Pacific Northwest basin-fill aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ105,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Northern Rocky Mountains Intermontane Basins aquifer system",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ106,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Central Valley aquifer system",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ107,numeric,percent,"Percent of catchment underlain by Principal Aquifer, High Plains aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ108,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Pecos River Basin alluvial aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ109,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Mississippi River Valley alluvial aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ110,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Seymour aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ111,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Surficial aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ112,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Puget Sound aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ114,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Arid playas with permeable soils and bedrock",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ115,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Willamette Lowland basin-fill aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ116,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Columbia Plateau basin-fill aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ117,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Snake River Plain basin-fill aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ201,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Coastal lowlands aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ202,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Texas coastal uplands aquifer system",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ203,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Mississippi embayment aquifer system",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ204,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Southeastern Coastal Plain aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ205,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Northern Atlantic Coastal Plain aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ301,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Colorado Plateaus aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ302,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Denver Basin aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ304,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Lower Cretaceous aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ305,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Rush Springs aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ306,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Central Oklahoma aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ307,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Ada-Vamoosa aquifer ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ308,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Early Mesozoic basin aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ309,numeric,percent,"Percent of catchment underlain by Principal Aquifer, New York sandstone aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ310,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Pennsylvanian aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ311,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Marshall aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ312,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Cambrian-Ordovician aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ313,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Jacobsville aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ314,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Lower Tertiary aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ315,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Upper Cretaceous aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ316,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Upper Tertiary aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ401,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Basin and Range carbonate-rock aquifers ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ402,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Roswell Basin aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ405,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Ozark Plateaus aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ406,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Blaine aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ407,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Arbuckle-Simpson aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ410,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Silurian-Devonian aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ411,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Ordovician aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ412,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Upper carbonate aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ413,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Floridian aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ414,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Biscayne aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ416,numeric,percent,"Percent of catchment underlain by Principal Aquifer, New York and New England carbonate-rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ417,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Piedmont and Blue Ridge carbonate-rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ418,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Castle Hayne aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ419,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Puerto Rico North Coast Limestone aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ420,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Kingshill aquifer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ501,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Edwards-Trinity aquifer system ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ502,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Valley and Ridge aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ503,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Mississippian aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ504,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Paleozoic aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ505,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Valley and Ridge carbonate-rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ601,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Southern Nevada volcanic-rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ606,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Snake River Plain basaltic-rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ607,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Columbia Plateau basaltic-rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ608,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Hawaiian Volcanic-rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ609,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Hawaiian Sedimentary deposit aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ610,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Pacific Northwest basaltic-rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,TOT_AQ611,numeric,percent,"Percent of catchment underlain by Principal Aquifer, Piedmont and Blue Ridge crystalline-rock aquifers",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Principal Aquifers of the 48 Conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, produced by Water Resources Division, USGS, 2003",
geology.csv,CARB,numeric,percent,Percent of catchment covered by the lithology reclassified as carbonate rocks such as limestone and dolostone ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017), https://doi.org/10.5066/F7R78D4N",
geology.csv,CLAST_C,numeric,percent,"Percent of catchment covered by the lithology reclassified as clastic sediments/rocks primarily made of sands, gravels, cobbles, or larger clasts ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017)",
geology.csv,CLAST_F,numeric,percent,"Percent of catchment covered by the lithology reclassified as clastic sediments/rocks primarily made of fine grained materials such as shale, siltstone, claystone, mudstone ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017)",
geology.csv,CLAST_U,numeric,percent,Percent of catchment covered by the lithology reclassified as clastic sediments/rocks of unknown or highly variable clast sizes ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017)",
geology.csv,EVAP,numeric,percent,Percent of catchment covered by the lithology reclassified as evaporites or playas,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017)",
geology.csv,META,numeric,percent,Percent of catchment covered by the lithology reclassified as metamorphic rocks,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017)",
geology.csv,PLUT_OTH,numeric,percent,"Percent of catchment covered by the lithology reclassified as igneous, generally mafic, other less quartz rich plutonic rocks such as monzonite or gabbro",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017)",
geology.csv,PLUT_QTZ,numeric,percent,"Percent of catchment covered by the lithology reclassified as igneous, generally felsic, quartz rich plutonic rocks such as granitoids, granite, granodacite",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017)",
geology.csv,VOLC_OTH,numeric,percent,"Percent of catchment covered by the lithology reclassified as igneous, generally mafic, volcanic rocks such as basalt or mineralogical equivalents to less quartz rich plutonic rocks ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017)",
geology.csv,VOLC_QTZ,numeric,percent,"Percent of catchment covered by the lithology reclassified as igneous, generally felsic, volcanic rocks such as rhyolite and dacite",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017)",
geology.csv,WATER,numeric,percent,Percent of catchment covered by water or ice,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Generalized lithology for the conterminous United States: U.S. Geological Survey data release  (Anning, D., and Ator, S., 2017)",
geology.csv,TOT_SOLLER_11,numeric,percent,"Alluvial sediments, thin, less than 100 feet thick; Holocene to Pliocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004), https://pubs.usgs.gov/of/2003/of03-275/",
geology.csv,TOT_SOLLER_12,numeric,percent,"Alluvial sediments, thick, greater than 100 feet. Holocene to Pliocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_101,numeric,percent,Biological sediments less than 100 feet thick. Holocene to middle Pleistocene geologic age,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_211,numeric,percent,"Coastal zone sediments, mostly fine-grained less than 100 feet thick. Holocene to Pliocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_221,numeric,percent,"Coastal zone sediments, mostly medium-grained. Holocene to Pliocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_311,numeric,percent,"Eolian sediments, mostly loess, thin, less than 100 feet. Holocene to Pleistocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_312,numeric,percent,"Eolian sediments, mostly loess, thick, greater than 100 feet thick. Holocene to Pleistocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_321,numeric,percent,"Eolian sediments, mostly dune sand, thin, less than 100 feet thick. Holocene to Pleistocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_322,numeric,percent,"Eolian sediments, mostly dune sand, thick, greater than 100 feet thick. Holocene to Pleistocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_331,numeric,percent,Eolian sediments on southern High Plains less than 100 feet thick. Holocene to Pleistocene geologic age,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_410,numeric,percent,"Glacial till sediments, mostly clayey, discontinuous or patchy in distribution. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_410,numeric,percent,"Glacial till sediments, mostly clayey, thin, less than 100 feet thick. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_412,numeric,percent,"Glacial till sediments, mostly clayey, thick, greater than 100 feet thick. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_420,numeric,percent,"Glacial till sediments, mostly silty, discontinuous or patchy in distribution. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_421,numeric,percent,"Glacial till sediments, mostly silty, thin, less than 100 feet thick. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_422,numeric,percent,"Glacial till sediments, mostly silty, thick, greater than 100 feet thick. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_430,numeric,percent,"Glacial till sediments, mostly sandy, discontinuous or patchy in distribution. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_431,numeric,percent,"Glacial till sediments, mostly sandy, thin, less than 100 feet thick. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_450,numeric,percent,"Glaciofluvial ice-contact sediments, mostly sand and gravel, discontinuous or patchy in distribution. late Wisconsinan to Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_451,numeric,percent,"Glaciofluvial ice-contact sediments, mostly sand and gravel, thin, less than 100 feet thick. late Wisconsinan to Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_452,numeric,percent,"Glaciofluvial ice-contact sediments, mostly sand and gravel, thick, greater than 100 feet. late Wisconsinan to Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_511,numeric,percent,"Lacustrine sediments, less than 100 feet thick. Holocene to Pliocene",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_521,numeric,percent,"Playa sediments, less than 100 feet thick. Holocene to Pliocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_610,numeric,percent,"Colluvial sediments, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_611,numeric,percent,"Colluvial sediments, thin, less than 100 feet thick. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_620,numeric,percent,"Colluvial and alluvial sediments, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_630,numeric,percent,"Colluvial sediments and loess, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_640,numeric,percent,"Colluvial sediments and residual material, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_701,numeric,percent,"Organic-rich muck and peat, thin, less than 100 feet thick. Holocene to late Pleistocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_702,numeric,percent,"Organic-rich muck and peat, thick, greater than 100 feet thick. Holocene to late Pleistocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_810,numeric,percent,"Proglacial sediments, mostly fine grained, discontinuous and patchy in distribution. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_811,numeric,percent,"Proglacial sediments, mostly fine grained, thin, less than 100 feet thick. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_812,numeric,percent,"Proglacial sediments, mostly fine grained, thick, greater than 100 feet thick. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_820,numeric,percent,"Proglacial sediments, mostly coarse-grained, discontinuous or patchy in distribution. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_821,numeric,percent,"Proglacial sediments, mostly coarse-grained, thin, less than 100 feet thick. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_822,numeric,percent,"Proglacial sediments, mostly coarse-grained, thick, greater than 100 feet thick. late Wisconsinan to pre-Illinoian geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_910,numeric,percent,"Residual materials developed in igneous and metamorphic rocks, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_920,numeric,percent,"Residual materials developed in sedimentary rocks, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_921,numeric,percent,"Residual materials developed in sedimentary rocks, thin, less than 100 feet thick. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_930,numeric,percent,"Residual materials developed in fine-grained sedimentary rocks, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_940,numeric,percent,"Residual materials developed in carbonate rocks, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_941,numeric,percent,"Residual materials developed in carbonate rocks, thin, less than 100 feet. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_950,numeric,percent,"Residual materials developed in alluvial sediments, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_960,numeric,percent,"Residual materials developed in bedrock, with alluvial sediments, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_961,numeric,percent,"Residual materials developed in bedrock, with alluvial sediments, thin, less than 100 feet thick. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_970,numeric,percent,"Residual materials developed in bedrock, discontinuous or patchy in distribution. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_971,numeric,percent,"Residual materials developed in bedrock, thin, less than 100 feet thick. Holocene to Tertiary geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_980,numeric,percent,"Volcanic rocks, basaltic and andesitic less than 100 feet thick. v geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_985,numeric,percent,"Volcanic rocks, rhyolitic less than 100 feet thick. Holocene to Pliocene geologic age",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
geology.csv,TOT_SOLLER_999,numeric,percent,Water,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Surficial materials in the conterminous United States: U.S. Geological Survey Open-file Report 03-275, scale 1:5,000,000 (Soller, D.R., and Reheis, M.C., 2004)",
,,,,,,,,
hydrology.csv,SITENO,character,,USGS site number,,,,
hydrology.csv,TOT_STREAM_SLOPE,numeric,percent,Average slope of NHDPlus V2 flowlines,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
hydrology.csv,TOT_STREAM_LENGTH,numeric,km,Total length of all upstream NHDPlus V2 flowlines,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
hydrology.csv,TOT_STRM_DENS,numeric,meters per sq km,Stream density calculated as all upstream stream lengths (meters) divided by all upstream catchment area (sq km),NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
hydrology.csv,SINU,numeric,ratio,Flowline reach's sinuosity calculated as reach length (meters) divided by Euclidean distance (straight line in meters). Straight line length is measured from beginning node of reach to end node. ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
hydrology.csv,TOT_BFI,numeric,percent,"Base flow index, ratio of base flow to total flow, expressed as percentage",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Base-flow index grid for the conterminous United States, produced by the United States Geological Survey (Wolock, 2003)",
hydrology.csv,TOT_EWT,numeric,meters,Average depth to water table relative to the land surface,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Ying Fan and others (written communication, Rutgers University, 2007)",
hydrology.csv,TOT_RECHG,numeric,mm/yr,Estimated 30 year (1951-1980) mean annual natural groundwater recharge ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"United States Geological Survey (Wolock, 2003)",
hydrology.csv,TOT_SATOF,numeric,percent,Mean saturation overland flow as percent of total streamflow estimated by TOPMODEL ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Saturation overland flow estimated by TOPMODEL for the conterminous United States, produced by the United States Geological Survey (Wolock, 2003)",
hydrology.csv,TOT_TWI,numeric,ln(m),"Average topographic wetness index, a steady state index used to predict areas susceptible to saturated land surfaces and areas that carry potential to produce overland flow. ln(a/tan(beta)) where ln is Napierian logarithm, a is upslope area per unit contour length, and tan(beta) is slope gradient",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"David Wolock (United States Geological Survey, written communic., 2012)",
hydrology.csv,TOT_IEOF,numeric,percent of total streamflow,Mean infiltration-excess overland flow as percent of streamflow estimated by TOPMODEL,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Infiltration-excess overland flow estimated by TOPMODEL for the conterminous United States, produced by the United States Geological Survey (Wolock, 2003).",
hydrology.csv,TOT_CONTACT,numeric,days,"Contact time, length of time it takes for water to drain along subsurface flow paths to the stream. Computed from basin topography, soil porosity, and soil hydraulic conductivity ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Dave Wolock, (USGS, written communication, 2014) and based on the methods outlined in Wolock and others (1997)",
hydrology.csv,TOT_RF7100,numeric,hundreds ft-tonf-in/ac-h-yr,"Mean annual average rainfall and runoff factor (R factor) for 1971-2000, erosivity index (Revised Universal Soil Loss Equation)",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
hydrology.csv,q_mean_mm,numeric,mm/day ,Mean daily streamflow ,Derived from USGS streamflow data ,,"Redundancy and the choice of hydrologic indices for characterizing streamflow regimes (Olden & Poff, 2003),  https://doi.org/10.1002/rra.700",
hydrology.csv,FDC_slope,numeric,unitless,"slope of the flow duration curve, between log-transformed 33rd and 66th streamflow percentiles",Derived from USGS streamflow data ,,"Redundancy and the choice of hydrologic indices for characterizing streamflow regimes (Olden & Poff, 2003),  https://doi.org/10.1002/rra.700",
hydrology.csv,mean_hf_date,numeric,day of year,mean half-flow date (date on which cumulative discharge since October 1 reaches half of the annual discharge,Derived from USGS streamflow data ,,"Redundancy and the choice of hydrologic indices for characterizing streamflow regimes (Olden & Poff, 2003),  https://doi.org/10.1002/rra.700",
hydrology.csv,Q5,numeric,mm/day ,"low flow, 5% flow quantile",Derived from USGS streamflow data ,,"Redundancy and the choice of hydrologic indices for characterizing streamflow regimes (Olden & Poff, 2003),  https://doi.org/10.1002/rra.700",
hydrology.csv,Q95,numeric,mm/day ,"high flow, 95% flow quantile",Derived from USGS streamflow data ,,"Redundancy and the choice of hydrologic indices for characterizing streamflow regimes (Olden & Poff, 2003),  https://doi.org/10.1002/rra.700",
hydrology.csv,high_q_freq,numeric,days/yr,frequency of high flow days (greater than 9 times the median daily flow) ,Derived from USGS streamflow data ,,"Redundancy and the choice of hydrologic indices for characterizing streamflow regimes (Olden & Poff, 2003),  https://doi.org/10.1002/rra.700",
hydrology.csv,high_q_dur,numeric,days,average duration of high-flow events (number of consecutive days that are 9 times greater than the median daily flow),Derived from USGS streamflow data ,,"Redundancy and the choice of hydrologic indices for characterizing streamflow regimes (Olden & Poff, 2003),  https://doi.org/10.1002/rra.700",
hydrology.csv,low_q_freq,numeric,days/yr,frequency of low-flow days (less than 0.2 times the mean daily flow),Derived from USGS streamflow data ,,"Redundancy and the choice of hydrologic indices for characterizing streamflow regimes (Olden & Poff, 2003),  https://doi.org/10.1002/rra.700",
hydrology.csv,low_q_dur,numeric,days,average duration of low-flow events (number of consecutive days that are less than 0.2 times the mean daily flow),Derived from USGS streamflow data ,,"Redundancy and the choice of hydrologic indices for characterizing streamflow regimes (Olden & Poff, 2003),  https://doi.org/10.1002/rra.700",
hydrology.csv,zero_q,numeric,percent,frequency of days with zero flow ,Derived from USGS streamflow data ,,"Redundancy and the choice of hydrologic indices for characterizing streamflow regimes (Olden & Poff, 2003),  https://doi.org/10.1002/rra.700",
hydrology.csv,mean_cfs,numeric,cfs,L-moment daily  mean streamflow based on Hosking and Wallis (1997) over period of record,Derived from USGS streamflow data ,,"Archfield et al (2014) An objective and parsimonious approach for classifying natural flow regimes at a continental scale, https://doi.org/10.1002/rra.271",
hydrology.csv,CV,numeric,unitless,"L-moment coefficient of variation for streamflow based on Hosking and Wallis (1997) over period of record, water year",Derived from USGS streamflow data ,,"Archfield et al (2014) An objective and parsimonious approach for classifying natural flow regimes at a continental scale, https://doi.org/10.1002/rra.271",
hydrology.csv,skew,numeric,unitless,"L-moment skew for streamflow, over period of record, water year",Derived from USGS streamflow data ,,"Archfield et al (2014) An objective and parsimonious approach for classifying natural flow regimes at a continental scale, https://doi.org/10.1002/rra.271",
hydrology.csv,kurt,numeric,unitless,"L-moment kurtosis for streamflow, over period of record, water year",Derived from USGS streamflow data ,,"Archfield et al (2014) An objective and parsimonious approach for classifying natural flow regimes at a continental scale, https://doi.org/10.1002/rra.271",
hydrology.csv,ar1,numeric,unitless,"AR(1) autoregressive lag one correlation coefficient, streamflow",Derived from USGS streamflow data ,,"Archfield et al (2014) An objective and parsimonious approach for classifying natural flow regimes at a continental scale, https://doi.org/10.1002/rra.271",
hydrology.csv,amplitude,numeric,unitless,Amplitude of streamflow seasonal signal,Derived from USGS streamflow data ,,"Archfield et al (2014) An objective and parsimonious approach for classifying natural flow regimes at a continental scale, https://doi.org/10.1002/rra.271",
hydrology.csv,phase,numeric,unitless,Phase of streamflow seasonal signal ,Derived from USGS streamflow data ,,"Archfield et al (2014) An objective and parsimonious approach for classifying natural flow regimes at a continental scale, https://doi.org/10.1002/rra.271",
,,,,,,,,
monthly_climate.csv,SITENO,character,,USGS site number,,,,
monthly_climate.csv,MNTH,numeric,,"calendar month (January = 1, December = 12) for specified 30-yr period ",,,,
monthly_climate.csv,DTR,numeric,degrees C,"Daily temperature range, monthly mean difference between TX (TMAX) and TN (TMIN) for 1980-2023",Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
monthly_climate.csv,TXx8110,numeric,degrees C,Monthly maximum value of daily maximum temperature (1981-2010),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
monthly_climate.csv,TNx8110,numeric,degrees C,Monthly maximum value of daily minimum temperature (1981-2010),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
monthly_climate.csv,TXn8110,numeric,degrees C,Monthly minimum value of daily maximum temperature (1981-2010),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
monthly_climate.csv,TNn8110,numeric,degrees C,Monthly minimum value of daily minimum temperature (1981-2010),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
monthly_climate.csv,TXx9120,numeric,degrees C,Monthly maximum value of daily maximum temperature (1991-2020),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
monthly_climate.csv,TNx9120,numeric,degrees C,Monthly maximum value of daily minimum temperature (1991-2020),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
monthly_climate.csv,TXn9120,numeric,degrees C,Monthly minimum value of daily maximum temperature (1991-2020),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
monthly_climate.csv,TNn9120,numeric,degrees C,Monthly minimum value of daily minimum temperature (1991-2020),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
,,,,,,,,
overall_climate.csv,SITENO,character,,USGS site number,,,,
overall_climate.csv,PPT8110,numeric,mm/year,30 year (1981-2010) mean annual precipitation ,Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,TMIN8110,numeric,degrees Celcius,30 year (1981-2010) mean annual minimum temperature ,Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,TMAX8110,numeric,degrees Celcius,30 year (1981-2010) mean annual maximum temperature ,Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,TAV8110,numeric,degrees Celcius,30 year (1981-2010) mean annual temperature,Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,PET8110,numeric,mm/year,30 year (1981-2010) mean annual potential evapotranspiration,GLEAM4,https://www.gleam.eu/,"Miralles, D.G., Bonte, O., Koppa, A. et al. GLEAM4: global land evaporation and soil moisture dataset at 0.1° resolution from 1980 to near present. Sci Data 12, 416 (2025). https://doi.org/10.1038/s41597-025-04610-y",Derived for MACH using climate data 
overall_climate.csv,AET8110,numeric,mm/year,30 year (1981-2010) mean annual actual evapotranspiration,GLEAM4,https://www.gleam.eu/,"Miralles, D.G., Bonte, O., Koppa, A. et al. GLEAM4: global land evaporation and soil moisture dataset at 0.1° resolution from 1980 to near present. Sci Data 12, 416 (2025). https://doi.org/10.1038/s41597-025-04610-y",Derived for MACH using climate data 
overall_climate.csv,PPT9120,numeric,mm/year,30 year (1991-2020) mean annual precipitation,Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,TMIN9120,numeric,degrees Celcius,30 year (1991-2020) mean annual minimum temperature ,Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,TMAX9120,numeric,degrees Celcius,30 year (1991-2020) mean annual maximum temperature ,Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,TAV9120,numeric,degrees Celcius,30 year (1991-2020) mean annual temperature,Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,PET9120,numeric,mm/year,30 year (1991-2020) mean annual potential evapotranspiration,GLEAM4,https://www.gleam.eu/,"Miralles, D.G., Bonte, O., Koppa, A. et al. GLEAM4: global land evaporation and soil moisture dataset at 0.1° resolution from 1980 to near present. Sci Data 12, 416 (2025). https://doi.org/10.1038/s41597-025-04610-y",Derived for MACH using climate data 
overall_climate.csv,AET9120,numeric,mm/year,30 year (1991-2020) mean annual actual evapotranspiration,GLEAM4,https://www.gleam.eu/,"Miralles, D.G., Bonte, O., Koppa, A. et al. GLEAM4: global land evaporation and soil moisture dataset at 0.1° resolution from 1980 to near present. Sci Data 12, 416 (2025). https://doi.org/10.1038/s41597-025-04610-y",Derived for MACH using climate data 
overall_climate.csv,TN10p,numeric,percent,Percentage of days when TN (TMIN) < 10th percentile (1980-2023),Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,TX10p,numeric,percent,"Percentage of days when TX (TMAX) <10th percentile, daily maximum temperature  (1980-2023)",Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,TN90p,numeric,percent,Percentage of days when TN (TMIN) >90th percentile (1980-2023),Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
overall_climate.csv,TX90p,numeric,percent,Percentage of days when TX (TMAX) is above 90th percentile (1980-2023),Daymet V4,https://daymet.ornl.gov/getdata,"Thornton, M.M., R. Shrestha, Y. Wei, P.E. Thornton, and S-C. Kao. 2022. Daymet: Daily Surface Weather Data on a 1-km Grid for North America, Version 4 R1. ORNL DAAC, Oak Ridge, Tennessee, USA. https://doi.org/10.3334/ORNLDAAC/2129",Derived for MACH using climate data 
,,,,,,,,
regional.csv,SITENO,character,,USGS site number,,,,
regional.csv,TOT_HLR_1,numeric,percent,Percent of catchment that contains subhumid plains with permeable soils and bedrock ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_2,numeric,percent,Percent of catchment that contains humid plains with permeable soils and bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_3,numeric,percent,Percent of catchment that contains subhumid plains with impermeable soils and permeable bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_4,numeric,percent,Percent of catchment that contains humid plains with permeable soils and bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_5,numeric,percent,Percent of catchment that contains arid plains with permeable soils and bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_6,numeric,percent,Percent of catchment that contains subhumid plains with impermeable soils and bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_7,numeric,percent,Percent of catchment that contains humid plains with permeable soils and impermeable bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_8,numeric,percent,Percent of catchment that contains semiarid plains with impermeable soils and bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_9,numeric,percent,Percent of catchment that contains humid plateaus with impermeable soils and permeable bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_10,numeric,percent,Percent of catchment that contains arid plateaus with impermeable soils and permeable bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_11,numeric,percent,Percent of catchment that contains humid plateaus with impermeable soils and bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_12,numeric,percent,Percent of catchment that contains semiarid plateaus with permeable soils and impermeable bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_13,numeric,percent,Percent of catchment that contains semiarid plateaus with impermeable soils and bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_14,numeric,percent,Percent of catchment that contains arid playas with permeable soils and bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_15,numeric,percent,Percent of catchment that contains semiarid mountains with impermeable soils and permeable bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_16,numeric,percent,Percent of catchment that contains humid mountains with permeable soils and impermeable bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_17,numeric,percent,Percent of catchment that contains semiarid mountains with impermeable soils and bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_18,numeric,percent,Percent of catchment that contains semiarid mountains with permeable soils and impermeable bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_19,numeric,percent,Percent of catchment that contains very humid mountains with permeable soils and impermeable bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_HLR_20,numeric,percent,Percent of catchment that contains humid mountains with permeable soils and impermeable bedrock,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Hydrologic landscape regions of the United States, USGS report 2003-145 (Wolock, 2003), https://doi.org/10.3133/ofr03145 ",
regional.csv,TOT_PHYSIO_1,numeric,percent,Percent of catchment that the physiographic province Superior Uplands covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_3,numeric,percent,Percent of catchment that the physiographic province Coastal Plain covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_4,numeric,percent,Percent of catchment that the physiographic province Piedmont covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_5,numeric,percent,Percent of catchment that the physiographic province Blue Ridge covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_6,numeric,percent,Percent of catchment that the physiographic province Valley and Ridge covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_7,numeric,percent,Percent of catchment that the physiographic province St. Lawrence Valley covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_8,numeric,percent,Percent of catchment that the physiographic province Appalachian Plateaus covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_9,numeric,percent,Percent of catchment that the physiographic province New England covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_10,numeric,percent,Percent of catchment that the physiographic province Adirondack covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_11,numeric,percent,Percent of catchment that the physiographic province Interior Low Plateaus covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_12,numeric,percent,Percent of catchment that the physiographic province Central Lowland covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_13,numeric,percent,Percent of catchment that the physiographic province Great Plains covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_14,numeric,percent,Percent of catchment that the physiographic province Ozark Plateaus covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_15,numeric,percent,Percent of catchment that the physiographic province Ouachita covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_16,numeric,percent,Percent of catchment that the physiographic province Southern Rocky Mountains covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_17,numeric,percent,Percent of catchment that the physiographic province Wyoming Basin covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_18,numeric,percent,Percent of catchment that the physiographic province Middle Rocky Mountains covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_19,numeric,percent,Percent of catchment that the physiographic province Northern Rocky Mountains covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_20,numeric,percent,Percent of catchment that the physiographic province Columbia Plateau covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_21,numeric,percent,Percent of catchment that the physiographic province Colorado Plateaus covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_22,numeric,percent,Percent of catchment that the physiographic province Basin and Range covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_23,numeric,percent,Percent of catchment that the physiographic province Cascade-Sierra Mountains covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_24,numeric,percent,Percent of catchment that the physiographic province Pacific Border covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
regional.csv,TOT_PHYSIO_25,numeric,percent,Percent of catchment that the physiographic province Lower Californian covers,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"Physiographic divisions of the Conterminous US, USGS (Fenneman, 1946)",
,,,,,,,,
Rx_prcp.csv,SITENO,character,,USGS site number,,,,
Rx_prcp.csv,Rx1day,numeric,mm/day,Monthly maximum 1 day precipitation (given for each month and each year),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
Rx_prcp.csv,Rx5day ,numeric,mm/5days,Monthly maximum consecutive 5 day precipitation (given for each month and each year),Daymet V4,https://daymet.ornl.gov/getdata,"Expert Team on Climate Change Detection and Indices (ETCCDI), Evaluation of the CMIP6 multi-model ensemble for climate extreme indices (Kim et al., 2020), https://etccdi.pacificclimate.org/",Derived for MACH using climate data based on ETCCDI definitions 
,,,,,,,,
soil.csv,SITENO,character,,USGS site number,,,,
soil.csv,TOT_SILTAVE,numeric,percent,"STATSGO soil texture attributes, average silt content ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_CLAYAVE,numeric,percent,"STATSGO soil texture attributes, average clay content",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_SANDAVE,numeric,percent,"STATSGO soil texture attributes, average sand content",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_NO10AVE,numeric,percent,Accumulated average percent by weight of soil material less than 3 inches in size that passes through a No. 10 sieve (2 mm),NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_NO200AVE,numeric,percent,Accumulated average percent by weight of soil material less than 3 inches in size that passes through a No. 200 sieve (0.074 mm),NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_NO4AVE,numeric,percent,Accumulated average percent by weight of soil material less than 3 inches in size that passes through a No. 4 sieve (5 mm),NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_OM,numeric,percent,Average value for the range in organic matter content (percent by weight),NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_PERMAVE,numeric,in/hr,Average value for the range in permeability ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_ROCKDEP,numeric,inches,Average value for range in total soil thickness examined,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_BDAVE,numeric,grams per unit cm,Accumulated average for all upstream catchments for the value of bulk density ,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_AWCAVE,numeric,in water per in soil depth,Range in available water capacity (fraction),NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_WTDEP,numeric,feet,Range in depth to seasonally high water table,NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_SALINAVE,numeric,mohms/cm,"STATSGO salinity, ability of water sample to conduct electricity is used to determine its salt content",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO soil characteristics for the conterminous United States, USGS report 97-656 (Wolock, 1997)",
soil.csv,TOT_pH,numeric,moles per liter ,Soil pH (negative of the base 10 logarithm of the molar concentration of hydrogen ions),NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2, USGS (Wieczorek, 2019), https://websoilsurvey.nrcs.usda.gov/app/",
soil.csv,TOT_HGA,numeric,percent,"Hydrologic group A, high infilitration rates (low runoff potential) when thoroughly wet, deep and well drained, high sand and gravel content, high rate of water transmission",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2 soil database, hydrologic groups ",
soil.csv,TOT_HGAC,numeric,percent,"Hydrologic group AC, group A characteristics (high infilitration rates) when artificially drained and group C characteristics (slow infiltration rates) when not drained ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2 soil database, hydrologic groups ",
soil.csv,TOT_HGAD,numeric,percent,"Hydrologic group AD, group A characteristics (high infilitration rates) when artificially drained and group D characteristics (very slow infiltration rates) when not drained",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2 soil database, hydrologic groups ",
soil.csv,TOT_HGB,numeric,percent,"Hydrologic group B, moderate infiltration rates, moderately deep, moderately well drained, moderately fine to coarse in texture",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2 soil database, hydrologic groups ",
soil.csv,TOT_HGBC,numeric,percent,"Hydrologic group BC, group B characteristics when artificially drained and group C characteristics when not drained ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2 soil database, hydrologic groups ",
soil.csv,TOT_HGBD,numeric,percent,"Hydrologic group BD, group B characteristics when artificially drained and group D characteristics when not drained ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2 soil database, hydrologic groups ",
soil.csv,TOT_HGC,numeric,percent,"Hydrologic group C, slow soil infiltration rates, layers impeding downward movement of water and typically have moderately fine or fine texture",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2 soil database, hydrologic groups ",
soil.csv,TOT_HGCD,numeric,percent,"Hydrologic group CD, group C characteristics when artificially drained and group D characteristics when not drained ",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2 soil database, hydrologic groups ",
soil.csv,TOT_HGD,numeric,percent,"Hydrologic group D, very slow infiltration rates, soils are clayey, have a high water table or shallow impervious layer",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2 soil database, hydrologic groups ",
soil.csv,TOT_HGVAR,numeric,percent,"Hydrologic group VAR, variable drainage characteristics",NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,"STATSGO2 soil database, hydrologic groups ",
soil.csv,TOT_KFACT,numeric,unitless,Soil erodibility (http://www.iwr.msu.edu/rusle/kfactor.htm),NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
soil.csv,TOT_KFACT_UP,numeric,unitless,Soil erodibility for uppermost soil horizon (http://www.iwr.msu.edu/rusle/kfactor.htm),NHDPlusV2,https://www.sciencebase.gov/catalog/item/5669a79ee4b08895842a1d47,,
,,,,,,,,
soil_ssurgo.csv,SITENO,character,,USGS site number,,https://www.nrcs.usda.gov/resources/data-and-reports/ssurgo/stats2go-metadata,,computed percent coverage for soil categories using shapefile and database
soil_ssurgo.csv,MUKEY,numeric,,ssurgo/statsgo map unit key,,,,
soil_ssurgo.csv,area_sqm,numeric,m2,basin area in square meters,,,,
soil_ssurgo.csv,percent_area,numeric,percent,percent of basin area,,,,
soil_ssurgo.csv,muname,character,,correlated name of the mapunit,,,,muaggatt
soil_ssurgo.csv,wtdepannmin,numeric,cm,"the shallowest depth to a wet soil layer (water table) at any time during the year expressed as centimeters from the soil surface, for components whose composition in the map unit is equal to or exceeds 15%",,,,muaggatt
soil_ssurgo.csv,wtdepaprjunmin,numeric,cm,"the shallowest depth to a wet soil layer (water table) during the months of April through June expressed as centimeters from the soil surface, for components whose composition in the map unit is equal to or exceeds 15%",,,,muaggatt
soil_ssurgo.csv,pondfreqprs,numeric,,"the percentage of the map unit that is subject to water being ponded on the soil surface expressed as one of four classes 0-14%, 15-49%, 50-74%, or 75-100%",,,,muaggatt
soil_ssurgo.csv,aws025wta,numeric,cm,"available water storage, the volume of water that the soil, to a depth of 25 cm, can store that is available to plants, reported as the weighted average of all components in the map unit, expressed as centimeters of water (calculated from awc which is commonly estimated as difference between the water contents at 1/10 or 1/3 bar and 15 bars tension)",,,,muaggatt
soil_ssurgo.csv,aws050wta,numeric,cm,"available water storage, the volume of water that the soil, to a depth of 50 cm, can store that is available to plants, reported as the weighted average of all components in the map unit, expressed as centimeters of water (calculated from awc which is commonly estimated as difference between the water contents at 1/10 or 1/3 bar and 15 bars tension)",,,,muaggatt
soil_ssurgo.csv,aws0100wta,numeric,cm,"available water storage, the volume of water that the soil, to a depth of 100 cm, can store that is available to plants, reported as the weighted average of all components in the map unit, expressed as centimeters of water (calculated from awc which is commonly estimated as difference between the water contents at 1/10 or 1/3 bar and 15 bars tension)",,,,muaggatt
soil_ssurgo.csv,aws0150wta,numeric,cm,"available water storage, the volume of water that the soil, to a depth of 150 cm, can store that is available to plants, reported as the weighted average of all components in the map unit, expressed as centimeters of water (calculated from awc which is commonly estimated as difference between the water contents at 1/10 or 1/3 bar and 15 bars tension)",,,,muaggatt
soil_ssurgo.csv,runoff,character,,runoff potential class for the soil,,,,component
soil_ssurgo.csv,tfact,numeric,tons/acre/yr,"soil loss tolerance factor, the maximum amount of erosion at which the quality of a soil as a medium for plant growth can be maintained",,,,component
soil_ssurgo.csv,drainagecl,character,,identifies the natural drainage conditions of the soi land refers to the frequency and duration of wet periods ,,,,component
soil_ssurgo.csv,albedodry_r,numeric,,"the estimated ratio of the incident short-wave (solar) radiation that is reflected by the air dry, less than 2mm fraction of the soil surface ",,,,component
soil_ssurgo.csv,hydgrp,character,,a group of soils having simliar runoff potential under simliar storm and cover conditions,,,,component
soil_ssurgo.csv,taxmoistcl,character,,"soil moisture subclasses are taxonomic subgroup critieria, whether included or not in the name of the subgroup",,,,component
soil_ssurgo.csv,hzdept_r,numeric,cm,the distance from the top of the soil to the upper boundary of the soil horizon,,,,chorizon
soil_ssurgo.csv,hzdepb_r,numeric,cm,the distance from the top of the soil to the base of the soil horizon,,,,chorizon
soil_ssurgo.csv,hzthk_r,numeric,cm,a measurement from the top to bottom of a soil horizon throughout its areal extent,,,,chorizon
soil_ssurgo.csv,sandtotal_r,numeric,percent,mineral particles 0.05mm to 2.0mm in equivalent diameter as a weight percentage of the less than 2mm fraction,,,,chorizon
soil_ssurgo.csv,silttotal_r,numeric,percent,mineral particles 0.002 to 0.05mm in equivalent diameter as a weight percentage of the less than 2 mm fraction,,,,chorizon
soil_ssurgo.csv,claytotal_r,numeric,percent,mineral particles less than 0.002 mm in equivalent diameter as a weight percentage of the less than 2 mm fraction,,,,chorizon
soil_ssurgo.csv,om_r,numeric,percent,the amount by weight of decomposed plant and animal residue expressed as a weight percentage of the less than 2 mm soil material ,,,,chorizon
soil_ssurgo.csv,dbtenthbar_r,numeric,,the oven dried weight of the less than 2 mm soil material per unit volume of soil at a water tension of 1/10 bar,,,,chorizon
soil_ssurgo.csv,dbthirdbar_r,numeric,g/cm3,the oven dried weight of the less than 2 mm soil material per unit volume of soil at a water tension of 1/3 bar,,,,chorizon
soil_ssurgo.csv,dbfifteenbar_r,numeric,,the oven dried weight of the less than 2 mm soil material per unit volume of soil at a water tension of 15 bar,,,,chorizon
soil_ssurgo.csv,partdensity,numeric,,"mass per unit volume (not including pore space) of the solid soil particle either mineral or organic, also known as specific gravity",,,,chorizon
soil_ssurgo.csv,ksat_r,numeric,um/s,the amount of water that would move vertically through a unit area of saturated soil in unit time under unit hydraulic gradient,,,,chorizon
soil_ssurgo.csv,awc_r,numeric,cm/cm,"the amount of water that an increment of soil depth, inclusive of fragments, can store that is available to plants, expressed as a volume fraction and is commonly estimated as the difference between the water contents at 1/1- to 1/3 bar (field capacity) and 15 bars (permanent wilting point) tension and adjusted for salinity and fragments",,,,chorizon
soil_ssurgo.csv,wtenthbar_r,numeric,percent,the volumetric content of soil water retained at a tension of 1/10 bar (10 kPa) expressed as a percentage of the whole soil,,,,chorizon
soil_ssurgo.csv,wthirdbar_r,numeric,percent,the volumetric content of soil water retained at a tension of 1/3 bar (33 kPa) expressed as a percentage of the whole soil,,,,chorizon
soil_ssurgo.csv,wfifteenbar_r,numeric,percent,the volumetric content of soil water retained at a tension of 15 bar (1500 kPa) expressed as a percentage of the whole soil,,,,chorizon
soil_ssurgo.csv,kwfact,numeric,NA,"an erodibility factor which quantifies the susceptibility of soil particles to detachment and movement by water, factor is adjusted for the effect of rock fragments",,,,chorizon
soil_ssurgo.csv,kffact,,NA,,,,,
soil_ssurgo.csv,caco3_r,numeric,percent,the quantity of carbonate in the soil expressed as CaCO3 and as a weight percentage of the less than 2 mm size fraction,,,,chorizon
soil_ssurgo.csv,gypsum_r,numeric,percent,the percent by weight of hydrated calcium sulfate in the less than 20 mm fraction of soil ,,,,chorizon
soil_ssurgo.csv,sar_r,numeric,,a measure of the amount of sodium relative to calcium and magnesium in the water extract from saturated soil paste,,,,chorizon
soil_ssurgo.csv,ec_r,numeric,dS/m,the electrical conductivity of an extract from saturated soil paste,,,,chorizon
soil_ssurgo.csv,cec7_r,numeric,meq/100g,"the amount of readily exchangeable cations that can be electrically adsorbed to negative charges in the soil, soil constituent, or other material at pH 7, as estimated by the ammonium acetate method",,,,chorizon
soil_ssurgo.csv,ph1to1h2o_r,numeric,,"the negative logarithm to the base 10, the hydrogen ion activity in the soil using the 1:1 soil water ratio method, a numerical expression of the relative acidity or alkalinity of a soil sample",,,,chorizon
soil_ssurgo.csv,texdesc,character,,"the full texture description for a horizon, using full texture class in lieu of names ",,,,chtexturegrp
soil_ssurgo.csv,resdept_r,numeric,cm,the distance from soil surface to the upper boundary of the restrictive layer,,,,corestrictions
soil_ssurgo.csv,resdepb_r,numeric,cm,the distance from soil surface to the lower boundary of the restrictive layer,,,,corestrictions