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Summary Information for Field Activity 1982-026-FA

Area of Operations: Hudson Canyon, North Atlantic continental shelf, United States, North America, North Atlantic

Dates: July 22, 1982 to July 29, 1982

Chief scientist: Dave Twichell

   Robert Jones - Harbor Branch Foundation; Churchill Grimes - Rutgers Univ.

Objectives: Assess the importance of erosion by biological organisms on the outer continental shelf around the head of Hudson Canyon by surveying tilefish burrows via sidescan sonar (distribution mapping) and submersible observation.

Type of Activity: Surveying, observing;Surveying, observing

Information to be derived: Sidescan survey and observation data

Summary: Seismic survey equipment deployed and recovered at multiple locations. Sidescan survey data collected and observations in JOHNSON SEA-LINK noted. Data collected include video, still photos, audio transcripts, temperature data, current data, 3.5 kHz profiles, and sidescan sonar profiles.

Contact: Dave Twichell (

InfoBank: uses the identifier J-43-82-MC. Visit this site for more information.

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