Other ID: JD 93-1
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Location: 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;
Principal Investigator(s): Lawrence Poppe, David Twichell
Affiliate Investigator(s): Ralph Lewis - CGS; Roman Zajac - U. New Haven
Data Type(s): Sonar: Sidescan, Seismics: Sub Bottom Profiler, Location-Elevation: Navigation
Scientific Purpose/Goals: 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.
Start Date: 1993-11-05
Start Port/Location: Old Lyme, CT
End Date: 1993-11-21
End Port/Location: Old Lyme, CT
Equipment Used: Klein 595 100/500kHz sidescan sonar, Q-MIPS sidescan sonar system, 3.5 kHz, DGPS, Megapulse Accufix 500 LORAN-C
Information to be Derived: Habitat maps; Sea floor map;
Summary of Activity and Data Gathered: 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.
Staff: VeeAnn Atnipp Cross, David Nichols, Lawrence Poppe, David Twichell
(Bathymetry) Poppe, Lawrence J., and Polloni, Chris, eds.,1998, Long Island Sound environmental studies: U.S. Geological Survey Open-File Report 98-502, CD-ROM.