Chemical Basin_Name Sample_Site Site_Type Sample_Date Location_ Description Latitude Longitude Data_Purpose Data_Source Field_Researcher Digestion method grain size fraction Sieving method organic matter content method to determine organic matter Landscape Sampling Point - at the stream sampling point itself Riparian Buffer - area 30 meters on either side of the stream, extending 1 km upstream of the sample point Upstream Catchment - portion of the water upstream of the sample point Entire Watershed - 14-digit watershed that encompasses the sample point County - county that encompasses the sample point Hydrologic Discharge Q at time of sampling Channel cross section - Springer Usable habitat - Biologist? Current velocity v Stage or water depth d Mean annual discharge Q Coefficient of variation of Q Flow duration measure for baseflow potential Flow duration measure for high-flow potential Lowest flow in previous year, Qmin Highest flow in previous year, Qmax (cfs or cms) Drainage area (km2) - Dyer Stream order - Dyer? Distance of station from headwaters (km) - Dyer? Stream link magnitude - Dyer? Connectivity - Dyer?