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U.S. Geological Survey Open-File Report 2012–1005

Sea-Floor Character and Sedimentary Processes of Block Island Sound, Offshore Rhode Island

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Title | List of Figures | Conversion Factors | Abstract | Introduction | Setting | Methods | Bathymetry | Sediment Distribution | Bottom Photography | GIS Data Catalog | Summary | Acknowledgments | References | Contacts | Index

Figure 29. Image of bathymetric data showing tidal scour depressions in the study area.

Figure 29. Detailed planar view of the combined National Oceanic and Atmospheric Administration surveys in Block Island Sound showing depressions formed by tidal scour in the passage north of Block Island and locations of stations BIS47, BIS48, BIS49, and BIS50. Note that sand-wave, megaripple, and obstacle-mark asymmetry indicates net sediment transport out of the passage. Location of view is shown in figure 18.


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