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Filters: partyWithName: U.S. Geological Survey - ScienceBase (X) > partyWithName: Water Resources (X) > Types: OGC WMS Layer (X) > partyWithName: Laura M DeMott (X)

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Publicly available geospatial data were identified, collated, and analyzed for a region of karst terrain extending from Albany to Buffalo, New York. A series of geospatial datasets were assembled to determine the location and extent of karstic rock; bedrock geology and depth to bedrock; average water-table configuration; surficial geology; soil type, thickness, and hydraulic conductivity; land cover; and closed depressions in the land surface First release: 2021 Revised: July 2022 (ver. 2.0) Revised: October 2022 (ver. 3.0) Revised: January 2024 (ver. 4.0)
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This data release contains data from five seismic-reflection surveys in New York’s East River between Governors Island and the Queensboro Bridge. Data are provided in the original proprietary data format, a SEGy data exchange format, and as a shape file of locations and depths to bedrock. Depths to bedrock were derived from the seismic signal travel time and an assumed speed of sound of 5,000 feet/second.
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Note: this data release is currently being revised and is temporarily unavailable. Publicly available geospatial data were identified, collated, and analyzed for a region of karst terrain extending from Albany to Buffalo, New York. A series of geospatial datasets were assembled to determine the location and extent of karstic rock; bedrock geology and depth to bedrock; average water-table configuration; surficial geology; soil type, thickness, and hydraulic conductivity; land cover; and closed depressions in the land surface First release: 2021 Revised: July 2022 (ver. 2.0) Revised: October 2022 (ver. 3.0) .
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From March 2019 to September 2020, the U.S. Geological Survey, in cooperation with the New York City Department of Design and Construction and the New York State Department of Environmental Conservation, collected horizontal-to-vertical seismic (HVSR) surveys at 140 locations in New York, Bronx, Queens, Nassau, and Suffolk counties to estimate the thickness of unconsolidated sediments and the depth to bedrock (Lane and others, 2008). The passive-seismic method uses a single, broad-band three-component (two horizontal and one vertical) seismometer to record ambient seismic noise. In areas that have a strong acoustic contrast between the bedrock and overlying sediments, the seismic noise induces resonance at frequencies...
    map background search result map search result map Geospatial Data to Assess Karst Aquifer Systems Between Albany and Buffalo, New York (ver. 4.0, January 2024) Horizontal-to-Vertical Spectral Ratio Soundings and Depth-to-Bedrock Data for New York City and Long Island, NY Continuous Marine Seismic-Reflection Surveys and Derived Depth-to-Bedrock Point Data from the East River, New York City, New York Geospatial data to assess karst aquifer systems between Albany and Buffalo, New York (ver. 3.0, October 2022) (Under Revision) Continuous Marine Seismic-Reflection Surveys and Derived Depth-to-Bedrock Point Data from the East River, New York City, New York Horizontal-to-Vertical Spectral Ratio Soundings and Depth-to-Bedrock Data for New York City and Long Island, NY Geospatial Data to Assess Karst Aquifer Systems Between Albany and Buffalo, New York (ver. 4.0, January 2024) Geospatial data to assess karst aquifer systems between Albany and Buffalo, New York (ver. 3.0, October 2022) (Under Revision)