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Open-File Report 2013–1060

Sea-Floor Geology and Topography Offshore in Northeastern Long Island Sound

By L.J. Poppe, K.Y. McMullen, S.D. Ackerman, and K.A. Glomb

Thumbnail of and link to report PDF (9.78 KB)Abstract

Datasets of gridded multibeam bathymetry, covering approximately 52.9 square kilometers, were used to interpret character and geology of the sea floor in northeastern Long Island Sound. Although originally collected for charting purposes during National Oceanic and Atmospheric Administration hydrographic survey H12012, these acoustic data and the sea-floor sampling and photography stations subsequently occupied to verify the acoustic data are interpreted (1) to define the composition and terrain of the seabed, (2) to provide information on sediment transport and benthic habitat, and (3) as part of an expanding series of studies that provide a fundamental framework for research and resource management (for example, cables, pipelines, and dredging) activities in this major east coast estuary.

First posted November 25, 2013

For additional information contact:
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U.S. Geological Survey
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http://woodshole.er.usgs.gov/

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Suggested citation:

Poppe, L.J., McMullen, K.Y., Ackerman, S.D., and Glomb, K.A., 2013, Sea-floor geology and topography offshore in northeastern Long Island Sound: U.S. Geological Survey Open-File Report 2013–1060, DVD-ROM, http://dx.doi.org/10.3133/ofr20131060.

  ISSN 2331-1258 (online)



Contents

Abstract

Introduction

Setting

Methods

Bathymetry

Sediment Distribution

Bottom Photography

GIS Data Catalog

Summary

Acknowledgments

References

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