USGS Coastal and Marine Geology Program

Coastal & Marine Geology Program

Field Activity Details for field activity 1981-028-FA

Other ID: WF 81-2

Status: Completed

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

Funding Program(s):

Principal Investigator(s): David Twichell

Affiliate Investigator(s):

Information Specialist(s):

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

Scientific Purpose/Goals: Map the morphology of the canyon heads and adjacent shelf, identify types and map the extent of bedforms in and around canyon heads, outline the shallow structures of the canyon heads to define recent history, and map areas of sediment erosion and accumulation.

Vehicle(s):

Start Date: 1981-07-22

Start Port/Location: Woods Hole, MA

End Date: 1981-07-31

End Port/Location: Woods Hole, MA

Equipment Used: Klein 595 100/500kHz sidescan sonar, EG&G 234, Edo Western Sidescan and 2.5 kHz sub-bottom system, Northstar 6000 LORAN-C, Single channel hydrophone

Information to be Derived: Morphology;

Summary of Activity and Data Gathered: 2.5 kHz: 89 km; Uniboom: 888 km; Sidescan: 401 km.

Staff: Gregory Miller, David Twichell

Affiliate Staff:
Glenn Greilich

Notes: Original Center People field contained: Dave Twichell - Ch. Sci.; Greg Miller, Glenn Greilich.

Location:

Lydonia Canyon, Oceanographer Canyon, Georges Bank area, United States, North America, North Atlantic;

Boundaries
North: 40.75 South: 40.25 West: -68.25 East: -67.5

Platform(s):

photo of Whitefoot
Whitefoot

Publications

Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Klein 595 100/500kHz sidescan sonar --- Sidescan
1981-028-FA-SO-001 ( microfilm of )
EG&G 234 --- Boomer
Edo Western Sidescan and 2.5 kHz sub-bottom system --- Sub Bottom Profiler
Sidescan
Northstar 6000 LORAN-C --- Navigation
1981-028-FA-LN-002-01 ( Navigation data recovered from 9 track tape)
1981-028-FA-LN-001-01 ( Cruise trackmap.)
Single channel hydrophone --- Air Gun / Water Gun
Boomer
Bubble Gun
Sparker
Sub Bottom Profiler
1981-028-FA-SE-002 ( microfilm of )
1981-028-FA-SE-001 ( Collection of paper record displays of seismic data( UNI) for lines )