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  • Enhanced Sidescan-Sonar Image of National Oceanic and Atmospheric Administration (NOAA) survey H11044 in Long Island Sound (H11044_SSSGEO1M_WGS84.TIF, Geographic)

    Metadata Updated: November 12, 2020

    The U.S. Geological Survey, in cooperation with the National Oceanic and Atmospheric Administration and the Connecticut Department of Environmental Protection, has produced detailed geologic maps of the sea floor in Long Island Sound. These studies have built upon cooperative research with the State of Connecticut that was initiated in 1982. This research program is currently studying sea-floor sediment distribution, processes that control sediment distribution, nearshore environmental concerns, and the relation of benthic community structures to the sea-floor geology. Detailed maps of the sea floor are needed to aid in interpretation of the sea-floor geology. Therefore, sidescan-sonar data have been collected in areas of interest. Although these mosaics from NOAA surveys H11043, H11044, and H11045 in north-central Long Island Sound have been interpreted in prior reports, we have enhanced these three mosaics in order to minimize tonal artifacts created by the mismatching of backscatter in adjacent track lines. The enhanced mosaics provide a clearer image of the sea-floor geology.

    Access & Use Information

    License: No license information was provided. If this work was prepared by an officer or employee of the United States government as part of that person's official duties it is considered a U.S. Government Work.

    Downloads & Resources

    Dates

    Metadata Date November 25, 2019
    Metadata Created Date November 12, 2020
    Metadata Updated Date November 12, 2020
    Reference Date(s) January 1, 2008 (publication)
    Frequency Of Update notPlanned

    Metadata Source

    Harvested from DOI Open Data

    Graphic Preview

    Overview of the enhanced digital sidescan-sonar mosaic of NOAA survey H11044 in geographic

    Additional Metadata

    Resource Type Dataset
    Metadata Date November 25, 2019
    Metadata Created Date November 12, 2020
    Metadata Updated Date November 12, 2020
    Reference Date(s) January 1, 2008 (publication)
    Responsible Party U.S. Geological Survey (Point of Contact)
    Contact Email
    Guid
    Access Constraints Use Constraints: Public domain data are freely redistributable with proper metadata and source attribution. Please recognize the U.S. Geological Survey (USGS) and the National Oceanic and Atmospheric Administration (NOAA) as the originators of this dataset., Access Constraints: None
    Bbox East Long -72.935003
    Bbox North Lat 41.243001
    Bbox South Lat 41.022000
    Bbox West Long -73.132000
    Coupled Resource
    Frequency Of Update notPlanned
    Graphic Preview Description Overview of the enhanced digital sidescan-sonar mosaic of NOAA survey H11044 in geographic
    Graphic Preview File http://pubs.usgs.gov/of/2008/1174/data/sidescan/h11044/h11044_sssgeo1m_wgs84.gif
    Graphic Preview Type GIF
    Licence Although this dataset has been subjected to rigorous review and is substantially complete, the USGS reserves the right to revise the data pursuant to further analysis and review. Furthermore, it is released on condition that neither the USGS nor the United States Government may be held liable for any damages resulting from its authorized or unauthorized use. Any use of trade, product, or firm names is for descriptive purposes only and does not imply endorsement by the U.S. Government.
    Metadata Language
    Metadata Type geospatial
    Progress completed
    Spatial Data Service Type
    Spatial Reference System
    Spatial Harvester True
    Temporal Extent Begin 2001-05-07
    Temporal Extent End 2001-11-13

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