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U.S. Geological Survey Open-File Report 2012–1103

Sea-Floor Character and Geology Off the Entrance to the Connecticut River, Northeastern Long Island Sound

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

Figure 26. Profile of sand waves in the study area.

Figure 26. Cross-sectional views of sand waves produced from bathymetric data collected during National Oceanic and Atmospheric Administration survey H12013. Profile A is from the sand-wave field along the southwestern edge of the study area; profile B is from along the southern flank of Long Sand Shoal. Sand-wave asymmetry indicates southwestward net sediment transport; the presence of megaripples on stoss slopes suggests transport is active. Locations of profiles are shown in figure 21.

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