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U.S. Geological Survey Open-File Report 2010–1005

Surficial Geology of the Sea Floor in Long Island Sound Offshore of Plum Island, New York

Skip past contents information Title | List of Figures | Conversion Factors | Abstract | Introduction | Setting | Methods | Bathymetry | Sidescan Sonar | Sediments | Bottom Photography | GIS Data Catalog | Summary | Acknowledgments | References | Contacts

Figure 19. A map showing sidescan-sonar imagery from National Oceanic and Atmospheric Administration survey H11445.


Figure 19. Sidescan-sonar imagery from National Oceanic and Atmospheric Administration survey H11445. Lighter tones represent high backscatter and are interpreted as coarser grained material capable of reflecting more of the sonar waves. Darker tones represent low backscatter and are interpreted as finer grained materials, such as sand.


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