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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 1982-026-FA

Other ID: Cruise J-143 II; JSL dives 1233-1241

Status: Completed

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

Funding Program(s):

Principal Investigator(s): David Twichell

Affiliate Investigator(s): Robert Jones - Harbor Branch Foundation; Churchill Grimes - Rutgers Univ.

Information Specialist(s):

Data Type(s): Sonar: Sidescan, Seismics: Sub Bottom Profiler, Location-Elevation: Navigation

Scientific Purpose/Goals: 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.


Start Port/Location: Woods Hole, MA

End Port/Location: Cape May, NJ

Start Date: 1982-07-22

End Date: 1982-07-29

Equipment Used: Klein 531 sidescan, ORE 140 transceiver/1036 transducer sub-bottom profiler, Northstar 6000 LORAN-C

Information to be Derived:

Summary of Activity and Data Gathered: 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.

Staff: Gregory Miller, David Twichell

Affiliate Staff:
Robert Jones - co-Chief Scientist
Harbor Branch Foundation; Churchill Grimes - co-Chief Scientist
Rutgers University; Steve Turner - Graduate Student
Rutgers University; Peter Hood - Graduate Student
Rutgers University

Notes: Original Center People field contained: Dave Twichell - Scientist, Greg Miller - Technician.


Hudson Canyon, North Atlantic continental shelf, United States, North America, North Atlantic;

North: 39.56667 South: 39.43333 West: -72.45 East: -72.16667


photo of Johnson
photo of Johnson Sea-link
Johnson Sea-link



Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Klein 531 sidescan --- Sidescan
1982-026-FA-SO-001 ( Collection of paper record displays of sidescan sonar data for lines )
1982-026-FA-SO-002 ( microfilm of )
ORE 140 transceiver/1036 transducer sub-bottom profiler --- Sub Bottom Profiler
1982-026-FA-SE-001 ( microfilm of )
Northstar 6000 LORAN-C --- Navigation
1982-026-FA-LN-001 ( Navigation trackline plot for field activity 82026)
1982-026-FA-LN-002 ( Digital tape(s) of NV-NSTAR, )

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