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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1985-012-FA

Other ID: none

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): James M. Robb, David Twichell

Affiliate Investigator(s):

Information Specialist(s):

Data Type(s): Imagery: Photo, Imagery: Video, Location-Elevation: Navigation, Sampling: Biology, Sampling: Geology, Sonar: Sidescan, Visual Identification: Submersible Observations

Scientific Purpose/Goals: Observation and sampling of the upper continental slope, between Lindenkohl and South Toms Canyons, offshore New Jersey.


Start Port/Location: Naval Submarine Base New London, Groton, CT

End Port/Location: Naval Submarine Base New London, Groton, CT

Start Date: 1985-05-08

End Date: 1985-05-16

Equipment Used: 7.5 kHz, Camera- deep sea, Video camera - deep sea, Westinghouse 100-kHz sidescan sonar, Push corer (wh), Loran-C, Sonar Doppler, Submersible Observation

Information to be Derived:

Summary of Activity and Data Gathered: Sampling and visual observations conducted. 7 kHz sub-bottom profiles: 102 km; Sidescan sonar: 102 km; VHS cassette tapes: 26; Benthos-camera film: 400 ft; 70 mm film: 150 ft; Hand-held (Topcon 35 mm) camera: 3 film rolls; Digital data on 9T magnetic tapes: 3 reels; Sediment cores (12-inch corers): 10.

Staff: James M. Robb, David Twichell

Affiliate Staff:



Atlantic Continental Slope, Middle Atlantic Bight, Lindenkohl Canyon, South Toms Canyon, New Jersey, Delaware, United States, North America, North Atlantic;

North: 39 South: 38.66667 West: -73 East: -72.5


photo of NR-1



Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
7.5 kHz --- Sub Bottom Profiler
Westinghouse 100-kHz sidescan sonar --- Sidescan
1985-012-FA-SO-001 ( Collection of paper record displays of sidescan sonar data for lines )
Camera- deep sea --- Photo
1985-012-FA-PH-001 ( film collection of )
Video camera - deep sea --- Video
Push corer (wh) --- Biology
Loran-C --- Navigation
1985-012-FA-LN-001 ( Digital tape(s) of NV-H2O, )
Sonar Doppler --- Navigation
Submersible Observation --- Submersible Observations

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