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Summary Information for Field Activity 2006-012-FA

Area of Operations: South Shore, Hull to Duxbury, Massachusetts, United States, North America, North Atlantic

Dates: August 01, 2006 to August 24, 2006

Chief scientist: Walter Barnhardt

   Tony Wilbur, MA CZM

Objectives: Geologic mapping of inner shelf to: 1) support management of habitat and ocean resources; 2) clarify the post-glacial history of sea-level change in the region; and 3) reconstruct coastal environments and quantify rates of change over the last few thousand years.

Type of Activity: Seismic profiling; Sea floor mapping;Sea floor mapping

Information to be derived: Sea floor map; Bathymetric maps;

Summary: We collected 100% coverage of sea floor with bathymetry and sidescan sonar data (total mapped area 277 km2), and approximately 2340 km of closely spaced seismic reflection profiles. Cruise focused on nearshore areas in water depths of 5-50 m, mostly inside state waters. Intermittent problems with GPS reception caused numerous shutdowns, especially during first 10 days of cruise. Cause is uncertain but we suspect jamming by radar or other external source. Gear snagged many lobster pots, which are VERY thick in the survey area. See cruise log for details.

Contact: Seth Ackerman (

InfoBank: uses the identifier M-1-06-MA. Visit this site for more information.

Related Links:

Click to get Google Software - Download 06012.kml to view this field activity in Google Earth

Platform Info:

Publications resulting from these data

Barnhardt, Walter A., Ackerman, Seth D., Andrews, Brian D., and Baldwin, Wayne E.,2010, Geophysical and sampling data from the inner continental shelf; Duxbury to Hull, Massachusetts: U.S. Geological Survey Open-File Report 2009-1072. (Also available at

Andrews, Brian D., Ackerman, Seth D., Baldwin, Wayne E., and Barnhardt, Walter A.,2010, Geophysical and sampling data from the inner continental shelf; northern Cape Cod Bay, Massachusetts: U.S. Geological Survey Open-File Report 2010-1006. (Also available at

Pendleton, E.A., Baldwin, W.E., Barnhardt, W.A., Ackerman, S.D., Foster, D.S., Andrews, B.A., and Schwab, W.C.,2013, Shallow Geology, Sea-floor Texture, and Physiographic Provinces of the Inner Continental Shelf from Nahant to Northern Cape Cod Bay, Massachusetts: U.S.Geological Survey Open-File Report 2012-1157. (Also available at

Data Types and Locations:


Deck photos of field activity operations


Raw SEGY data



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