!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> USGS Open-File Report 2007-1366: Sidescan-Sonar Imagery and Surficial Geologic Interpretations of the Sea Floor in Central Rhode Island Sound

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Open-File Report 2007-1366

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Sidescan-Sonar Imagery and Surficial Geologic Interpretations of the Sea Floor in Central Rhode Island Sound

Skip past contents informationTitle | Introduction | Geologic Setting | Data Acquisition/Processing | Bathymetry | Seismic Reflection Data | Sidescan Sonar Imagery | Environments | Discussion | Summary | GIS Data Catalog | Acknowledgments | References | Figures | Contacts

Figure 12. Detailed sidescan-sonar image of trawl marks on the floor of the channel.

Figure 12. Detailed sidescan-sonar image of trawl marks on the floor of the channel. Lines of low backscatter or paired high and low backscatter indicate trawl marks. Benches cross the northern part of the image where there is a sharp curvilinear change in backscatter and sand waves are located throughout the north. An area of low backscatter indicates finer grained sediment. Location of figure shown in fig. 2.

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