1985-012-FA (CMHRP activity #875)

Field Activity 1985-012-FA

Identifier

1985-012-FA

Purpose

Observation and sampling of the upper continental slope, between Lindenkohl and South Toms Canyons, offshore New Jersey.

Location

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

Summary

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.

Platform

NR-1

Itinerary

Start	Naval Submarine Base New London, Groton, CT	1985-05-08
End	Naval Submarine Base New London, Groton, CT	1985-05-16
Days in the field	8

Bounds

West	-73
East	-72.5
North	39
South	38.66667

Personnel

Organization

USGS, Woods Hole Coastal and Marine Science Center(WHCMSC)

384 Woods Hole Road

Quissett Campus

Woods Hole, MA02543-1598

(508) 548-8700

Principal investigators

David C TwichellJames Robb

Crew members

David C Twichell	Scientist, Staff
James Robb	Scientist, Staff

Data types and categories

Data category:	Imagery, Location-Elevation, Sampling, Sonar, Visual Identification, Seismics
Data type:	Photo, Video, Navigation, Biology, Geology, Sidescan, Submersible Observations, Sub Bottom Profiler

Documents: Notes and log books

Name	Description
Cruise report	Chief Scientist's cruise report including equipment, data acquired, and cruise narrative including preliminary scientific evaluation.

Equipment used

Equipment	Data types	Datasets
7.5 kHz	Sub Bottom Profiler	(no data reported)
Westinghouse 100-kHz sidescan sonar	Sidescan	1
Camera- deep sea	Photo	1
Video camera - deep sea	Video	(no data reported)
Push corer (wh)	Biology, Geology	(no data reported)
Loran-C	Navigation	1
Sonar Doppler	Navigation	(no data reported)
Submersible Observation	Submersible Observations	(no data reported)

Datasets

Datasets produced in this activity

Dataset name	Equipment	Description	Dataset contact
1985-012-FA-SO-001	Westinghouse 100-kHz sidescan sonar	Collection of paper record displays of sidescan sonar data for lines	Nancy K. Soderberg
1985-012-FA-PH-001	Camera- deep sea	film collection of	Nancy K. Soderberg
1985-012-FA-LN-001	Loran-C	Digital tape(s) of NV-H2O,	Nancy K. Soderberg