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Filters Date Range Past year (1) Past month (0) Past week (0) Past day (0) Custom range... To   Search Contacts Simeon Yurek Brian S Cade Mitchell Eaton Brian S Cade Fort Collins Science Center More... Categories Data (1) Tag Types Theme (2) USGS Scientific Topic Keyword (1) Place (2) Harvest Set (2) Tag Schemes None (2) ISO 19115 Topic Category (2) Common geographic areas (1) View Results as: JSON ATOM CSV

Water quality, atmospheric nitrogen deposition and herbaceous plant species richness in the USA, 1970-2011 This data release is comprised of a data set that contains specific conductance and chloride concentration data in HUC-8 watersheds that intersect with areas with unconventional oil and gas plays, and a data set that contains atmospheric nitrogen deposition rates and herbaceous plant species richness values across sample sites in the USA. Associated publication: Koenker, R., Chernozhukov, V., Xuming. and Peng, L., 2017, Handbook of quantile regression: Boca Raton, FL, CRC Press. Categories: Data; Tags: USGS Science Data Catalog (SDC), United States, environment, herbaceous plants, hydraulic fracturing, All tags... inlandWaters, nitrogen deposition, quantile regression, surface water quality, unconventional oil and gas plays, Fewer tags Data Release: Modeling coastal salinity regime for biological application Salinity regimes in coastal ecosystems are highly dynamic and driven by complex geomorphic and hydrological processes. Estuarine biota are generally adapted to salinity fluctuation, but are vulnerable to salinity extremes. Characterizing coastal salinity regime for ecological studies therefore requires representing extremes of salinity ranges at various time scales relevant to ecology (e.g., daily, monthly, seasonally). This data release provides supporting data for the journal article titled, "Quantifying uncertainty in coastal salinity regime for biological application using quantile regression," by Yurek et al. (2022). A spatially-resolved model was developed that derives quantile distributions of salinity related... Tags: Aquatic Biology, Climatology, Ecology, Hydrology, Land Use Change, All tags... Lower Suwannee National Wildlife Refuge, Suwannee Sound, USGS Science Data Catalog (SDC), Water Quality, biological salinity tolerance, biota, climate, coastal salinity regime, drought, prediction, quantile regression, streamflow, uncertainty, Fewer tags