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Digital GIS Data for the Bedrock geology of the Evitts Creek and Patterson Creek quadrangles, Maryland, Pennsylvania, and West Virginia from the original map of de Witt and Colton, 1964. Digital GIS Data for the Bedrock geology of the Evitts Creek and Patterson Creek quadrangles, Maryland, Pennsylvania, and West Virginia from the original map of de Witt and Colton, 1964.
This U.S. Geological Survey (USGS) Data Release provides a digital geospatial database for the Bedrock geology of the Evitts Creek and Patterson Creek quadrangles, Maryland, Pennsylvania, and West Virginia from the original map of de Witt and Colton, 1964. Attribute tables and geospatial features (points, lines, and polygons) conform to the Geologic Map Schema (GeMS, 2020) and represent...
Walleye Temperature and Depth Values and Abiotic Conditions of Three Northern Wisconsin Lakes Collected Between June – October 2022 Walleye Temperature and Depth Values and Abiotic Conditions of Three Northern Wisconsin Lakes Collected Between June – October 2022
Defining a realized niche using key habitat components like temperature, water clarity, and dissolved oxygen (DO) is important to understanding how distributions and demographics of freshwater fish populations may respond to environmental changes. However, habitat preferences are often defined in a laboratory setting and may not accurately reflect preferred habitat in nature. To define a...
Acoustic Doppler Current Profiler Data for Irondequoit and Sodus Bays in Central New York, 2023 Acoustic Doppler Current Profiler Data for Irondequoit and Sodus Bays in Central New York, 2023
This data release contains acoustic Doppler current profiler (ADCP) data collected in 2023 from two uplooking tripods in bays of Lake Ontario in Central New York. Data were collected at Irondequoit Bay (USGS station number 431314077315901) and at Sodus Bay (USGS station number 431533076582101). Data are organized by bay in child item datasets containing the raw binary data files from the...
Satellite-derived spectral indices to characterize wildfire impacts on forested sites in Glacier National Park, Montana Satellite-derived spectral indices to characterize wildfire impacts on forested sites in Glacier National Park, Montana
The dataset contains spectral indices values calculated from Landsat imagery, normalized difference vegetation index (NDVI) and delta normalized burn ratio (NBR, deltaNBR). The spectral indices were computed for 1472 forested sites in the Glacier National Park, Montana, over the 1984-2021 period, in areas that were burned or not burned during the Robert Fire of 2003.
Chirp seismic reflection and navigation data collected in Chesapeake Bay during USGS Field Activity 2022-020-FA Chirp seismic reflection and navigation data collected in Chesapeake Bay during USGS Field Activity 2022-020-FA
In July 2022, the U.S. Geological Survey (USGS) and the University of Maryland's Chesapeake Biological Laboratory conducted a study, USGS Field Activity Number (FAN) 2022-020-FA, in Chesapeake Bay to quantify greenhouse gas fluxes from the largest estuary in the United States. The team investigated the environmental factors that control the distribution and exchange of methane and carbon...
Geochemical Data for Bulk Samples and Their Derivative Size and Density Fractions from Placer Tailings in Alaska Geochemical Data for Bulk Samples and Their Derivative Size and Density Fractions from Placer Tailings in Alaska
This data release contains elemental concentration data from geochemical analysis of eight bulk placer tailing sediment samples and of size and density fractions derived from those eight samples. All placer tailing material collected for this data release originated from samples that were collected in Alaska. The samples collected from one fifth yard of tailings material, sieved to -1/4...