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Found 3770 dataset(s) matching "stream survey".
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This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The digital segmented network based on watershed boundaries - ERF1-2 - includes enhancements to the...
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This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Line features of rivers and streams (detailed shape) in Maryland. Last Updated: Feature Service Layer...
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This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Polygon boundaries of lakes (generalized shape) in Maryland. Last Updated: Feature Service Layer Link:...
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NARS data used in the paper. This dataset is associated with the following publication: Fergus, C., J. Brooks, P. Kaufmann, A. Herlihy, R. Hill, R. Mitchell, and P. Ringold. Disentangling...
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Stable Isotope Ratios of Nitrate from the National Aquatic Resource Survey 2023 and 2024. We analyzed 163 samples with nitrate concentrations above 2 mg-N/L for oxygen and nitrogen isotopes of...
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Fish collection data for surveys made at 5 localities in Flat Creek, Dawson County GA, on 6 dates that spanned a 4 to 18.5-month period following a catastrophic fish kill caused by a chemical...
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Temporal patterns in glyphosate and atrazine concentrations were measured weekly by the U.S. Geological Survey (USGS) during the 2013 growing season in 100 small streams in the Midwestern United...
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Perennial streams in Idaho have been modeled using regression equations for 7-day, 2-year low flows (7Q2) described in Wood and others (2009, U.S. Geological Survey Scientific Investigations...
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Nonstationary streamflow due to environmental and human-induced causes can affect water quality over time, yet these effects are poorly accounted for in water-quality trend models. This data...
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These datasets includes physical and geochemical lab results of sediment samples collected from September 2017 to October 2018. Upland samples were collected at randomly selected sites in the...
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These datasets include physical and geochemical lab results of sediment samples collected from August 2016 to October 2018. Upland samples were collected at randomly selected sites in the...
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This digital-map data set consists of a grid of mean annual precipitation, in inches, based on the period 1961-90, for Oklahoma. The data set was derived from the PRISM (Parameter-elevation...
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Digital flood-inundation maps for a 3.1-mile reach of Rio de la Plata near Comerio, Puerto Rico, were created by the U.S. Geological Survey (USGS) in cooperation with the U.S. Geological Survey...
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Floodplain boundaries for flood-inundation maps for Rio de la Plata in and near Comerio, Puerto Rico
Digital flood-inundation maps for a 3.1-mile reach of Rio de la Plata near Comerio, Puerto Rico, were created by the U.S. Geological Survey (USGS) in cooperation with the U.S. Geological Survey...
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An initial reconnaissance survey in March 2016 and a subsequent survey in July 2016 was conducted to identify possible groundwater discharge points along the stream reach using a forward-looking...
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This data release is the result of a hydrogeochemical sampling campaign during summer 2021 to investigate whether high resolution geochemical analysis of waters for element chemistry can be used...
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This data release supports the following publication: Senior, Lisa A., 2017, Estimated Fecal Coliform Bacteria Concentrations Using Near Real-Time Water-Quality and Streamflow Data From Five...
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The National Wetland Condition Assessment (NWCA) is a statistical survey of the condition of wetlands in the conterminous United States. It is designed to provide information on the extent of...
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The National Lakes Assessment (NLA) is a statistical survey of the condition of our nation's lakes, ponds, and reservoirs. It is designed to provide information on the extent of lakes that support...
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The National Wetland Condition Assessment (NWCA) is a statistical survey of the condition of wetlands in the conterminous United States. It is designed to provide information on the extent of...