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.


Start Port/Location: Woods Hole, MA

End Port/Location: Woods Hole, MA

Start Date: 1981-07-22

End Date: 1981-07-31

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

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.


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

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


photo of Whitefoot



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
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
Bubble Gun
Sub Bottom Profiler
1981-028-FA-SE-001 ( Collection of paper record displays of seismic data( UNI) for lines )
1981-028-FA-SE-002 ( microfilm of )

USGS Coastal and Marine Geology Program