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Location Folder Show Tree ROOT _ScienceBase Catalog __USGS Nevada Water Science Center 12-digit hydrologic unit outlet (pour) points for the NHDPlus V2.1 WBD snapshot Appendixes and Supplemental Data: Hydraulic Characterization of Carbonate-Rock and Basin-Fill Aquifers near Long Canyon, Goshute Valley, Northeastern Nevada, 2011-2016 Catchment-flowline network and selected model inputs for an enhanced and updated spatially referenced statistical assessment of dissolved-solids load sources and transport in streams of the Upper Colorado River Basin Data for Analysis of Endocrine Disrupting Compounds in Lake Mead National Recreation Area near Las Vegas, Nevada Data for the 1976 report Geohydrology of Smith Valley, Nevada, with special reference to the water-use period 1953-72 More... Filters Date Range Past year (3) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Shapefile (1) Types Downloadable (1) Map Service (1) OGC WFS Layer (1) OGC WMS Layer (1) Shapefile (1) Contacts U.S. Geological Survey - ScienceBase Nancy A Damar Afan M Tarar Michael R Rosen Nevada Water Science Center More... Categories Data (5) Tag Types Theme (6) Place (6) USGS Scientific Topic Keyword (2) Harvest Set (3) Tag Schemes USGS Thesaurus (6) None (5) Geographic Names Information System (6) ISO 19115 Topic Category (6) USGS Biocomplexity Thesaurus (1) Bureau of Land Management (1) View Results as: JSON ATOM CSV Browse Folder

Data for Analysis of Endocrine Disrupting Compounds in Lake Mead National Recreation Area near Las Vegas, Nevada This data release presents the results of analyses of biota and water samples collected on multiple dates from 2007 to 2014 at 3 locations in Lake Mead National Recreation Area. Data are presented in 3 spreadsheets containing sample analyses for (1) stable isotopes in biota (2007-2014), (2) synthetic organic compounds in biota (2013-2014), and (3) synthetic organic compounds in water (2013-2014) Tags: Algae, Bivalves, Boulder Basin, Colorado River, Fishes, All tags... Insects, Lake Mead, Lake Mead National Recreational Area, Las Vegas, Las Vegas Bay, Overton Arm, USGS Science Data Catalog (SDC), aquatic biology, aquatic ecosystems, benthic ecosystems, benthic reliance, biota, carbon 13, carbon isotope analysis, dissolved organic compounds, endocrine disrupting compounds, endocrinology, environment, field sampling, fish, food web, fragrances, gas chromatography, inlandWaters, invasive species, invertebrates, isotopes, isotopic analysis, light stable isotope analysis, mass spectroscopy, mollusks, nitrogen 15, organochlorines, periphyton, pesticides, plankton, polybrominated biphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), stable isotopes, surface water quality, synthetic organic compounds, trophic levels, waste indicators, wastewater discharge, yeast estrogen screen, Fewer tags Stream Temperature of Desert Dace Habitat, Soldier Meadows, Black Rock Desert - High Rock Canyon Emigrant Trails National Conservation Area, Nevada, 2017-2020 This U.S. Geological Survey data release consists of a tabular dataset containing stream temperature data. Data were collected every 12-hours from 15 sites in Soldier Meadows, Black Rock Desert - High Rock Canyon Emigrant Trails National Conservation Area, Nevada. The sites were established by the Bureau of Land Management - Winnemucca District Office in 2017. The data release includes tabular data of site names, date and time of temperature measurement, and stream temperature in degrees Celsius. The site locations are included below as a shapefile, exported from the National Water Information System (NWIS) Mapper. A site list can be accessed here: National Water Information System site list Categories: Data; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Black Rock Desert, Black Rock Desert – High Rock Canyon Emigrant Trails National Conservation Area, Hydrology, Nevada, Soldier Meadow, All tags... USGS Science Data Catalog (SDC), Water Quality, freshwater ecosystems, inlandWaters, surface water (non-marine), water temperature, Fewer tags Stable Isotopes in Biota in Lake Mead National Recreation Area near Las Vegas, Nevada This dataset presents the results of analysis of aquatic biota tissue samples, collected over multiple sampling events from in from 2007 to 2014 at three sites (Las Vegas Bay, Overton Arm, and Boulder Basin) in Lake Mead National Recreational Area. The tissue samples were analyzed for concentrations of Carbon 13 and Nitrogen 15 isotopes by the University of California, Davis in Davis, California. Data are presented in 1 spreadsheet worksheet that is organized by year, location, and taxa. General trophic level (Vander Zanden and Rasmussen, 1999) and calculations of benthic reliance (Umek and others, 2010) also are included. Combined data from sampling events in 2007 and 2008 previously were published in Umek and... Categories: Data; Tags: Boulder Basin, Colorado River, Lake Mead, Lake Mead National Recreational Area, Las Vegas, All tags... Las Vegas Bay, Overton Arm, aquatic biology, aquatic ecosystems, benthic ecosystems, benthic reliance, biota, carbon 13, carbon isotope analysis, dissolved organic compounds, endocrine disrupting compounds, endocrinology, environment, field sampling, fish, food web, fragrances, gas chromatography, inlandWaters, invasive species, invertebrates, isotopes, isotopic analysis, light stable isotope analysis, mass spectroscopy, mollusks, nitrogen 15, organochlorines, periphyton, pesticides, plankton, polybrominated biphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), stable isotopes, surface water quality, synthetic organic compounds, trophic levels, waste indicators, wastewater discharge, yeast estrogen screen, Fewer tags Synthetic Organic Compounds in Water in Lake Mead National Recreation Area near Las Vegas, Nevada This dataset presents the results of passive water sampling conducted at 2 sites in 2013 and 3 sites in 2014 in Lake Mead National Recreational Area. Polar Organic Chemical Integrative Samplers (POCIS) and Semipermeable Membrane Devices (SPMDs) were deployed in Las Vegas Bay and Overton Arm in 2013 and Las Vegas Bay, Boulder Basin, and Overton Arm in 2014. The samplers were analyzed for concentrations of polychlorinated biphenyls (PCBs), organochlorines (DDT-type compounds and their degradates), polybrominated biphenyl ethers (PBDEs), polycyclic aromatic hydrocarbons (PAHs), waste indicators (WW), and yeast estrogen screen (YES) by the U.S. Geological Survey (USGS) at the Columbia Environmental Research Center (CERC)... Categories: Data; Tags: Boulder Basin, Colorado River, Lake Mead, Lake Mead National Recreational Area, Las Vegas, All tags... Las Vegas Bay, Overton Arm, aquatic biology, aquatic ecosystems, benthic ecosystems, benthic reliance, biota, carbon 13, carbon isotope analysis, dissolved organic compounds, endocrine disrupting compounds, endocrinology, environment, field sampling, fish, food web, fragrances, gas chromatography, inlandWaters, invasive species, invertebrates, isotopes, isotopic analysis, light stable isotope analysis, mass spectroscopy, mollusks, nitrogen 15, organochlorines, periphyton, pesticides, plankton, polybrominated biphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), stable isotopes, surface water quality, synthetic organic compounds, trophic levels, waste indicators, wastewater discharge, yeast estrogen screen, Fewer tags Daily average soil moisture and ancillary data from the Noah land surface model in the National Land Data Assimilation version 2 extracted for GAGES-II watersheds, 1980 to 2020 This U.S Geological Survey data release contains soil moisture, actual evapotranspiration, precipitation, and potential evapotranspiration by watershed for the United States from 1980 to 2020. Hourly values from NASA's North American Land Data Assimilation System Phase 2 (NLDAS-2) Noah model were aggregated to daily values and extracted by Geospatial Attributes of Gages for Evaluating Streamflow, version II (GAGES-II) watershed. The daily aggregated values include average soil moisture at four depths, 0 to 10 centimeters (SoilM_0_10cm), 10 to 40 centimeters (SoilM_10_40cm), 40 to 100 centimeters (SoilM_40_100cm), and 100 to 200 centimeters (SoilM_100_200cm); and total actual evapotranspiration (Evap), precipitation... Categories: Data; Tags: Hydrology, Soil Sciences, USGS Science Data Catalog (SDC), United States, climatologyMeteorologyAtmosphere, All tags... droughts, evaporation, inlandWaters, modeling, precipitation (atmospheric), soil moisture, soil resources, soil-water content, soil-water storage, Fewer tags Synthetic Organic Compounds in Biota in Lake Mead National Recreation Area near Las Vegas, Nevada This dataset presents the results of analysis of aquatic biota tissue samples, collected at 2 sites (Las Vegas Bay and Overton Arm) in 2013 and 2 sites (Las Vegas Bay, Boulder Basin, and Overton Arm) in 2014 in Lake Mead National Recreational Area. The tissue samples were analyzed for concentrations of more than 250 compounds and congeners of polychlorinated biphenyls (PCBs), organochlorine pesticides (DDT and its degradates), wastewater chemicals, and polybrominated diphenyl ethers (PBDEs) by the U.S. Geological Survey (USGS) at the Columbia Environmental Research Center (CERC) in Columbia, Missouri. Analysis methods include low-resolution, high-resolution, and full spectrum mass spectrometry and high-resolution... Categories: Data; Tags: Boulder Basin, Colorado River, Lake Mead, Lake Mead National Recreational Area, Las Vegas, All tags... Las Vegas Bay, Overton Arm, aquatic biology, aquatic ecosystems, benthic ecosystems, benthic reliance, biota, carbon 13, carbon isotope analysis, dissolved organic compounds, endocrine disrupting compounds, endocrinology, environment, field sampling, fish, food web, fragrances, gas chromatography, inlandWaters, invasive species, invertebrates, isotopes, isotopic analysis, light stable isotope analysis, mass spectroscopy, mollusks, nitrogen 15, organochlorines, periphyton, pesticides, plankton, polybrominated biphenyl ethers (PBDEs), polychlorinated biphenyls (PCBs), polycyclic aromatic hydrocarbons (PAHs), stable isotopes, surface water quality, synthetic organic compounds, trophic levels, waste indicators, wastewater discharge, yeast estrogen screen, Fewer tags