SAMPLE_TYPE PARAMETER LABEL LEGAL_VALUES RANGE_LOW RANGE_HIGH LANDSCAPE PCTBL2011_WS % of watershed area classified as barren land cover (NLCD 2011 class 31) LANDSCAPE PCTCROP2011_WS % of watershed area classified as crop land use (NLCD 2011 class 82) LANDSCAPE PCTDECID2011_WS % of watershed area classified as deciduous forest land cover (NLCD 2011 class 41) LANDSCAPE PCTURBHI2011_WS "% of watershed area classified as developed, high-intensity land use (NLCD 2011 class 24)" LANDSCAPE PCTURBLO2011_WS "% of watershed area classified as developed, low-intensity land use (NLCD 2011 class 22)" LANDSCAPE PCTURBMD2011_WS "% of watershed area classified as developed, medium-intensity land use (NLCD 2011 class 23)" LANDSCAPE PCTURBOP2011_WS "% of watershed area classified as developed, open space land use (NLCD 2011 class 21)" LANDSCAPE PCTCONIF2011_WS % of watershed area classified as evergreen forest land cover (NLCD 2011 class 42) LANDSCAPE PCTGRS2011_WS % of watershed area classified as grassland/herbaceous land cover (NLCD 2011 class 71) LANDSCAPE PCTHAY2011_WS % of watershed area classified as hay land use (NLCD 2011 class 81) LANDSCAPE PCTHBWET2011_WS % of watershed area classified as herbaceous wetland land cover (NLCD 2011 class 95) LANDSCAPE PCTICE2011_WS % of watershed area classified as ice/snow land cover (NLCD 2011 class 12) LANDSCAPE PCTMXFST2011_WS % of watershed area classified as mixed deciduous/evergreen forest land cover (NLCD 2011 class 43) LANDSCAPE PCTOW2011_WS % of watershed area classified as open water land cover (NLCD 2011 class 11) LANDSCAPE PCTSHRB2011_WS % of watershed area classified as shrub/scrub land cover (NLCD 2011 class 52) LANDSCAPE PCTWDWET2011_WS % of watershed area classified as woody wetland land cover (NLCD 2011 class 90) LANDSCAPE PSUM_PT "Annual sum of the predicted mean monthly precipitation (mm) derived from the PRISM data for the sampling site. Calculated as sum Xi, where Xi = the predicted mean precipitation for month i (1-12) derived from 29 years of record (1961-1990)." LANDSCAPE PSUM_WS "Annual sum of the predicted mean monthly precipitation (mm) derived from the PRISM data for the watershed. Calculated as sum Xi, where Xi = the predicted mean precipitation for month i (1-12) derived from 29 years of record (1961-1990)." LANDSCAPE TMEAN_WS "Average annual air temperature for the watershed, degrees C, from 2km PRISM data. 30 years period of record 1971-2000." LANDSCAPE BFI_WS "Base Flow Index (BFI), The BFI is a ratio of base flow to total streamflow, expressed as a percentage and ranging from 0 to 100. Base flow is the sustained, slowly varying component of streamflow, usually attributed to ground-water discharge to a stream." LANDSCAPE BEDROCK_PERM_WS "Bedrock permeability, based on principal aquifer permeability classes. 1 is the lowest permeability, 7 is the highest. Floating point mean value of 7 permeability classes. (Based on National Atlas lithologic groups of principal aquifers. 1 is lowest permeability and 7 is the highest: 1 = Not a prinicpal aquifer, 2 = Sandstone, 3 = Semiconsolidated sand, 4 = Basalt and other volcanic rocks, 5 = Sandstone and carbonate rocks, 6 = Unconsolidated sand and gravel, 7 = Carbonate rock)" VERIF DATE_COL Date of data collection in field VERIF DATE_COL Date of data collection in field VERIF DATE_COL Date of data collection in field LANDSCAPE GEOL_REEDBUSH_DOM_WS "Dominant (highest percent of area) geology, derived from a simplified version of Reed & Bush (2001) - Generalized Geologic Map of the Conterminous United States." LANDSCAPE GEOL_HUNT_DOM_WS "Dominant (highest percent of area) geology, derived from Hunt (1979) coverage" LANDSCAPE PERDUN_WS "Dunne overland flow, also know as saturation overland flow, is generated in a basin when the water table \outcrops\"" on the land surface (due to the infiltration and redistribution of soil moisture within the basin), thereby producing temporary saturated areas. These saturated areas generate Dunne overland flow through exfiltration of shallow ground water and by routing precipitation directly to the stream network. The data are estimated from a watershed simulation model called TOPMODEL (Wolock, 1993). The model was run throughout the conterminous U.S. and estimated percentage of Dunne overland flow in total streamflow was quantified (Wolock, 2003).""" LANDSCAPE ELEV_PT Elevation at gage location (meters) from 30m NHDPlusV2 which uses National Elevation Data (NED) snapshots from 2010 and 2011 LANDSCAPE RUNOFF_WS "Estimated watershed annual runoff, mm/year, mean for the period 1971-2000. Estimation method integrated effects of climate, land use, water use, regulation, etc. The base data layer was estimated from historical USGS streamflow data and hydrologic cataloging units in the conterminous U.S., following the appraoch of Krug and others (1989)." LANDSCAPE GEOL_REEDBUSH_PT Geology type at the gage location derived from a simplified version of Reed & Bush (2001) - Generalized Geologic Map of the Conterminous United States. LANDSCAPE GEOL_HUNT_PT Geology type at the gage location derived from Hunt (1979) LANDSCAPE WDMAX_PT "GIS raster calculated as (SUMxi / 12) / 30, where xi = the modeled maximum number of days with measurable precipitation (i.e., \wetdays\"", days) for month i (1-12). Values based on 30 years (1961-1990) of PRISM climate estimates. Each value represents a 2 x 2 kilometer cell""" LANDSCAPE WDMAX_WS "GIS raster calculated as (SUMxi / 12) / 30, where xi = the modeled maximum number of days with measurable precipitation (i.e., \wetdays\"", days) for month i (1-12). Values based on 30 years (1961-1990) of PRISM climate estimates. Each value represents a 2 x 2 kilometer cell""" LANDSCAPE WDSUM_PT "GIS raster calculated as (SUMxi / 12) / 30, where xi = the modeled mean number of days with measurable precipitation (i.e., \wetdays\"", days) for month i (1-12). Values based on 30 years (1961-1990) of PRISM climate estimates. Each value represents a 2 x 2 kilometer cell """ LANDSCAPE WDSUM_WS "GIS raster calculated as (SUMxi / 12) / 30, where xi = the modeled mean number of days with measurable precipitation (i.e., \wetdays\"", days) for month i (1-12). Values based on 30 years (1961-1990) of PRISM climate estimates. Each value represents a 2 x 2 kilometer cell """ LANDSCAPE RHMEAN_PT "GIS raster calculated as (SUMxi / 12) / 30, where xi = the modeled mean relative humidity (%) for month i (1-12). Values based on 30 years (1961-1990) of PRISM climate estimates. Each value represents a 2 x 2 kilometer cell " LANDSCAPE WDMIN_PT "GIS raster calculated as (SUMxi / 12) / 30, where xi = the modeled minimum number of days with measurable precipitation (i.e., \wetdays\"", days) for month i (1-12). Values based on 30 years (1961-1990) of PRISM climate estimates. Each value represents a 2 x 2 kilometer cell""" LANDSCAPE WDMIN_WS "GIS raster calculated as (SUMxi / 12) / 30, where xi = the modeled minimum number of days with measurable precipitation (i.e., \wetdays\"", days) for month i (1-12). Values based on 30 years (1961-1990) of PRISM climate estimates. Each value represents a 2 x 2 kilometer cell""" LANDSCAPE TMIN_PT "GIS raster calculated as MINxi / 30, where xi = the modeled monthly average minimum air temperature (°C) for month i (1-12). Values based on 30 years (1971-2000) of PRISM climate estimates. Each value represents a 900 x 900 meter cell. Note that these values are modified from the PRISM annual maximum air temperature grid available at: http://www.prism.oregonstate.edu, that are calculated as (SUMxi / 12) / 30, where xi = the modeled monthly average minimum air temperature (°C) for month i (1-12)." LANDSCAPE TMIN_WS "GIS raster calculated as MINxi / 30, where xi = the modeled monthly average minimum air temperature (°C) for month i (1-12). Values based on 30 years (1971-2000) of PRISM climate estimates. Each value represents a 900 x 900 meter cell. Note that these values are modified from the PRISM annual maximum air temperature grid available at: http://www.prism.oregonstate.edu, that are calculated as (SUMxi / 12) / 30, where xi = the modeled monthly average minimum air temperature (°C) for month i (1-12)." LANDSCAPE TMEANSY_2013_PT "GIS raster calculated as xi / 12, where xi = the modeled mean air temperature (°C) for month i (1-12) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the specific year that field sampling was done. Each value represents a 2 x 2 kilometer cell " LANDSCAPE TMEANSY_2013_WS "GIS raster calculated as xi / 12, where xi = the modeled mean air temperature (°C) for month i (1-12) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the specific year that field sampling was done. Each value represents a 2 x 2 kilometer cell " LANDSCAPE TMEANSY_2014_PT "GIS raster calculated as xi / 12, where xi = the modeled mean air temperature (°C) for month i (1-12) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the specific year that field sampling was done. Each value represents a 2 x 2 kilometer cell " LANDSCAPE TMEANSY_2014_WS "GIS raster calculated as xi / 12, where xi = the modeled mean air temperature (°C) for month i (1-12) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the specific year that field sampling was done. Each value represents a 2 x 2 kilometer cell " LANDSCAPE TMEANPW_2013_PT "GIS raster calculated as xi / 3, where xi = the modeled mean air temperature (°C) for month i (12) of the previous year and month i (1-2) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the winter just prior to when field sampling was done. Each value represents a 2 x 2 kilometer cell " LANDSCAPE TMEANPW_2013_WS "GIS raster calculated as xi / 3, where xi = the modeled mean air temperature (°C) for month i (12) of the previous year and month i (1-2) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the winter just prior to when field sampling was done. Each value represents a 2 x 2 kilometer cell " LANDSCAPE TMEANPW_2014_PT "GIS raster calculated as xi / 3, where xi = the modeled mean air temperature (°C) for month i (12) of the previous year and month i (1-2) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the winter just prior to when field sampling was done. Each value represents a 2 x 2 kilometer cell " LANDSCAPE TMEANPW_2014_WS "GIS raster calculated as xi / 3, where xi = the modeled mean air temperature (°C) for month i (12) of the previous year and month i (1-2) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the winter just prior to when field sampling was done. Each value represents a 2 x 2 kilometer cell " LANDSCAPE TMEANSS_2013_PT "GIS raster calculated as xi / 4, where xi = the modeled mean air temperature (°C) for month i (6-9) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the specific summer that field sampling was done. Each value represents a 2 x 2 kilometer cell" LANDSCAPE TMEANSS_2013_WS "GIS raster calculated as xi / 4, where xi = the modeled mean air temperature (°C) for month i (6-9) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the specific summer that field sampling was done. Each value represents a 2 x 2 kilometer cell" LANDSCAPE TMEANSS_2014_PT "GIS raster calculated as xi / 4, where xi = the modeled mean air temperature (°C) for month i (6-9) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the specific summer that field sampling was done. Each value represents a 2 x 2 kilometer cell" LANDSCAPE TMEANSS_2014_WS "GIS raster calculated as xi / 4, where xi = the modeled mean air temperature (°C) for month i (6-9) of the sample year. The modeled monthly mean air temperature (xi) is the average of the minimum and maximum monthly air temperatures (http://www.prism.oregonstate.edu/faq.phtml). This value estimates the average temperature of the specific summer that field sampling was done. Each value represents a 2 x 2 kilometer cell" LANDSCAPE PSUMPY_2013_PT "GIS raster calculated as xi, where xi = the modeled total precipitation (mm) for month i (5-12) of the previous year and month i (1-4) of the sampling year. This value estimates the total precipitation for the 12 months prior to the field sampling season. Each value represents a 2 x 2 kilometer cell (http://www.prism.oregonstate.edu)." LANDSCAPE PSUMPY_2013_WS "GIS raster calculated as xi, where xi = the modeled total precipitation (mm) for month i (5-12) of the previous year and month i (1-4) of the sampling year. This value estimates the total precipitation for the 12 months prior to the field sampling season. Each value represents a 2 x 2 kilometer cell (http://www.prism.oregonstate.edu)." LANDSCAPE PSUMPY_2014_PT "GIS raster calculated as xi, where xi = the modeled total precipitation (mm) for month i (5-12) of the previous year and month i (1-4) of the sampling year. This value estimates the total precipitation for the 12 months prior to the field sampling season. Each value represents a 2 x 2 kilometer cell (http://www.prism.oregonstate.edu)." LANDSCAPE PSUMPY_2014_WS "GIS raster calculated as xi, where xi = the modeled total precipitation (mm) for month i (5-12) of the previous year and month i (1-4) of the sampling year. This value estimates the total precipitation for the 12 months prior to the field sampling season. Each value represents a 2 x 2 kilometer cell (http://www.prism.oregonstate.edu)." LANDSCAPE PMAX_WS "GIS raster calculated as ?(MAXxi) / 30, where xi = the modeled total precipitation (mm) for month i (1-12). Values based on 30 years (1971-2000) of PRISM climate estimates. Each value represents a 900 x 900 meter cell. Mean of all Pmax values within the watershed upstream of the sampling point (?Pmax i / n, where i = each of n pixels within the watershed)." LANDSCAPE PMIN_WS "GIS raster calculated as ?MINxi / 30, where xi = the modeled total precipitation (mm) for month i (1-12). Values based on 30 years (1971-2000) of PRISM climate estimates. Each value represents a 900 x 900 meter cell. Mean of all Pmin values within the watershed upstream of the sampling point (?Pmin i / n, where i = each of n pixels within the watershed)." LANDSCAPE PERHOR_WS "Horton overland flow, also known as infiltration-excess overland flow, is generated in a basin when infiltration rates are exceeded by precipitation rates. The data are estimated from a watershed simulation model called TOPMODEL (Wolock, 1993). The model was run throughout the conterminous U.S. and estimated percentage of Horton overland flow in total streamflow was quantified (Wolock, 2003)." DESIGN LAT_DD83 Latitude (based on NAD83 datum) for stream site from NHD-based sample frame. Numeric DESIGN LAT_DD83 Latitude (based on NAD83 datum) for stream site from NHDPlusV2 Numeric. No missing values allowed. LANDSCAPE LAT_DD83 Latitude in decimal degrees NAD83 DESIGN LON_DD83 Longitude (based on NAD83 datum) for stream site from NHD-based sample frame. Numeric DESIGN LON_DD83 Longitude (based on NAD83 datum) for stream site from NHDPlusV2 Numeric. No missing values allowed. LANDSCAPE LON_DD83 Longitude in decimal degrees NAD83 LANDSCAPE ELEV_WS_MAX Maximum watershed elevation (meters) from 30m NHDPlusV2 which uses National Elevation Data (NED) snapshots from 2010 and 2011 LANDSCAPE DAM_KM3WTD_200KM Maximum weighted reservoir volume (km3) within 200 km upstream 0 LANDSCAPE ET_WS "Mean-annual actual evapotranspiration (ET), estimated using regression equation of Sanford and Selnick (2013)" LANDSCAPE MAFLOWU Mean Annual Flow (cfs) at bottom of flowline as computed by Unit Runoff Method. LANDSCAPE PRECIP_WS "Mean annual precip (cm) for the watershed, from 800m PRISM data. 30 years period of record 1971-2000. " LANDSCAPE MAST_2013 Mean annual stream temperature from USU model LANDSCAPE MAST_2014 Mean annual stream temperature from USU model LANDSCAPE MAVELU Mean Annual Velocity (fps) at bottom of flowline as computed by Jobson Method (1996) using the flow in MAFlowU. LANDSCAPE AWCH_WS Mean high values of available water capacity of soils (fraction) at sampling point. From State Soil Geographic (STATSGO) Database. LANDSCAPE BDH_WS Mean high values of soil bulk density of soil types at the sampling point (grams per cubic centimeter) from State Soil Geographic (STATSGO) Database. LANDSCAPE MSST_2013 Mean summer stream temperature from USU model LANDSCAPE MSST_2014 Mean summer stream temperature from USU model LANDSCAPE ELEV_WS Mean watershed elevation (meters) from 30m NHDPlusV2 which uses National Elevation Data (NED) snapshots from 2010 and 2011 LANDSCAPE MWST_2013 Mean winter stream temperature from USU model LANDSCAPE MWST_2014 Mean winter stream temperature from USU model LANDSCAPE ELEV_WS_MIN Minimum watershed elevation (meters) from 30m NHDPlusV2 which uses National Elevation Data (NED) snapshots from 2010 and 2011 LANDSCAPE CAT_COMID NHDPlus COMID for the stream catchment LANDSCAPE REACH_COMID NHDPlus COMID for the stream reach VERIF VISIT_NO Number identifying which visit this is |1|2 VERIF VISIT_NO Number identifying which visit this is |1|2 VERIF VISIT_NO Number identifying which visit this is |1|2 LANDSCAPE CROP_1KM_BUF Percent cropland use within 1 km buffer of point 0 LANDSCAPE URB_1KM_BUF Percent urban land use within 1 km buffer of point 0 LANDSCAPE GEOL_HUNT_DOM_PCT "Percentage of the watershed covered by the dominant geology type (Hunt, 1979)" LANDSCAPE GEOL_REEDBUSH_DOM_PCT "Percentage of the watershed covered by the dominant geology type (Reed & Bush, 2001)" LANDSCAPE FSTFRZ_WS "Site average of mean day of the year of first freeze, derived from 30 years of record (1961-1990), 2km PRISM. For example, value of 300 is the 300th day of the year (Oct 27th). Values > 365 mean that the first freeze occurs after Dec 31. It is done this way so that (first_freeze - last_freeze) should always give a positive number; high numbers for an area with a long frost-free period (e.g. Florida), low numbers for an area with a short frost-free period." LANDSCAPE LSTFRZ_PT "Site average of mean day of the year of last freeze, derived from 30 years of record (1961-1990), 2km PRISM. For example, value of 100 is the 100th day of the year (April 10th). Values of 0 here indicate there is no freeze" VERIF SITE_ID Site ID VERIF SITE_ID Site ID VERIF SITE_ID Site ID DESIGN SITE_ID "Site ID for the study and year sampled. Preferred form is NRSnn_MM-xxxxx where nn is current cycle year (04, 08, 13, 18, etc), MM is two letter state code, and xxxxx is between 10001 and 99999. Text. No missing values allowed." LANDSCAPE RDH_PT Site mean of the high values of depth to bedrock (inches) of soils from the State Soil Geographic (STATSGO) Database. LANDSCAPE RDH_WS Site mean of the high values of depth to bedrock (inches) of soils from the State Soil Geographic (STATSGO) Database. LANDSCAPE KFACT_PT Site mean of the soil erodibility factor (no units) of soils from the State Soil Geographic (STATSGO) Database. DESIGN SITETYPE Site type (Probability-based or hand-picked) PROB | HAND LANDSCAPE GEOL_HUNT_DOM_DESC "Text description of the dominant (highest percent of area) geology, derived from Hunt (1979) coverage" LANDSCAPE TOPWET_WS "Topographic wetness index, ln(a/S); where \ln\"" is the natural log, \""a\"" is the upslope area per unit contour length and \""S\"" is the slope at that point.  See http://ks.water.usgs.gov/Kansas/pubs/reports/wrir.99-4242.html and Wolock and McCabe, 1995 for more detail/ TWI is computed as ln(a/S), where \""ln\"" is the natural log, \""a\"" is the upslope area per unit contour length and \""S\"" is the slope at that point. A single flow direction algorithm was used to compute this version of theTWI (Wolock and McCabe, 1995);TWI values were derived from 1-km USGS digital elevation data.""" LANDSCAPE SITE_ID Unique Site ID assigned for NRSA13-14 LANDSCAPE WSAREASQKM Watershed area in square kilometers based on the pour point and using NHDPlus catchments LANDSCAPE TMAX_WS "Watershed average of maximum monthly air temperature (degrees C) from 800m PRISM, derived from 30 years of record (1971-2000)." LANDSCAPE LSTFRZ_WS "Watershed average of mean day of the year of last freeze, derived from 30 years of record (1961-1990), 2km PRISM. For example, value of 100 is the 100th day of the year (April 10th). Values of 0 here indicate there is no freeze" LANDSCAPE RHMEAN_WS "Watershed average relative humidity (percent), from 2km PRISM, derived from 30 years of record (1961-1990)." LANDSCAPE OMH_WS Watershed mean of the high value of organic matter content (percent by weight) of soils from State Soil Geographic (STATSGO) Database. LANDSCAPE PERMH_WS Watershed mean of the high values of permeability (inches/hour) of soils from the State Soil Geographic (STATSGO) Database LANDSCAPE WTDH_PT Watershed mean of the high values of seasonal water table depth (feet) of soils from the State Soil Geographic (STATSGO) Database LANDSCAPE WTDPH_WS Watershed mean of the high values of seasonal water table depth (feet) of soils from the State Soil Geographic (STATSGO) Database LANDSCAPE KFACT_WS Watershed mean of the soil erodibility factor (no units) of soils from the State Soil Geographic (STATSGO) Database. LANDSCAPE RDDENS_WS Watershed road density (km/km2) 0 VERIF YEAR Year of sampling