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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 33. Image of bathymetric data showing barchanoid megaripples.

Figure 33. Detailed planar view of the combined National Oceanic and Atmospheric Administration surveys in Block Island Sound showing a field of barchanoid megaripples in the western part of the study area. Note that the sand-wave asymmetry and orientation of the barchan horns indicate eastward net sediment transport (McKee, 1966). Location of view is shown in figure 18.

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