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Summary Information for Field Activity 1993-026-FA

Area of Operations: western and central Long Island Sound, Old Lyme to Milford, offshore Housatonic River mouth, offshore Norwalk River mouth, offshore Connecticut River mouth, Connecticut, United States, North America, North Atlantic

Dates: November 05, 1993 to November 21, 1993

Chief scientist: Larry Poppe
Dave Twichell

   Ralph Lewis - CGS; Roman Zajac - U. New Haven

Objectives: Sidescan survey to determine textural distribution of surficial sediments and relate to active sedimentary processes; evaluate habitats and relate to benthic community structure. Cruise replaced cancelled ASTERIAS cruise originally scheduled for September 1993.

Type of Activity: Sea floor mapping;Sea floor mapping

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

Summary: Milford (Housatonic) and Norwalk sidescan surveys were completed. Hammonasset was postponed due to stiff, sustained southwest wind and shallow bathymetry introducing unacceptable levels of surface noise. Sidescan sonar: 450 km.

Contact: Larry Poppe (
Dave Twichell (

InfoBank: uses the identifier D-1-93-LI. Visit this site for more information.

Related Links:

Platform Info:

Publications resulting from these data

Poppe, Lawrence J., and Polloni, Chris, eds.,1998, Long Island Sound environmental studies: U.S. Geological Survey Open-File Report 98-502, CD-ROM. (Also available at

Data Types and Locations:


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