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Summary Information for Field Activity 1987-004-FA

Area of Operations: Northern Blake Plateau, Blake Outer Ridge, Cape Hatteras, outer continental slope and rise, Georgia, South Carolina, North Carolina, United States EEZ, North America, North Atlantic

Dates: February 02, 1987 to February 27, 1987

Chief scientist: Pete Popenoe
Dave Twichell

   John B. Wilson - IOS, Godalming, UK

Objectives: This cruise was the first leg of the joint USGS/IOS GLORIA Survey of the East Coast Atlantic Margin Exclusive Economic Zone (EEZ). The cruise covered a portion of the EEZ that included the northern Blake Plateau and the continental slope and rise off Georgia, South Carolina, and North Carolina, from the 400 isobath to the 200 mile EEZ boundary. The British Institute of Oceanographic Sciences' (IOS) long-range sidescan sonar system (GLORIA) was contracted by the USGS to produce a reconnaissance-type map of the sea floor within the U.S. EEZ of the conterminous United States, Hawaii and Puerto Rico. The survey is being done to provide a basic understanding of the EEZ, including resource potential and geologic hazards.

Type of Activity: Sea floor mapping;Sea floor mapping

Information to be derived: Sea floor map; Morphology;

Summary: GLORIA sidescan sonar: 6371 km (3440 nautical miles); Airgun: 6371 km (3440 nm); 3.5 kHz: 7408 km (4000 nm); 10 kHz: 6482 km (3500 nm); Magnetics: 5556 km (3000 nm).

Contact: Sarah Griscom ()

InfoBank: uses the identifier F-1-87-SE. Visit this site for more information.

Related Links: http://coastalmap.marine.usgs.gov/regional/contusa/index.html
http://quashnet.er.usgs.gov/~nancy/lines/frnl87-1.txt

Click to get Google Software - Download 87004.kml to view this field activity in Google Earth

Platform Info:
photo of FARNELLA
FARNELLA

Publications resulting from these data

Lubinski, David, Hughes-Clarke, John, Dillon, William, O'Leary, Dennis, Popenoe, Peter, Robb, James, and Schmuck, Eric,1990, Magnetic and bathymetric data from R/V FARNELLA Cruises FRNL87-1, 87-2, 87-3, 87-4, and 87-5 in the U.S. Atlantic Margin EEZ, southern Blake Escarpment, and Nova Scotia continental rise: U.S. Geological Survey Open-File Report 90-254, 11 p.. (Available as a PDF version). (Also available at http://pubs.er.usgs.gov/usgspubs/ofr/ofr90254)

Popenoe, P., and Manheim, F.T.,2001, Origin and history of the Charleston Bump--geological formations, currents, bottom conditions, and their relationship to Wreckfish habitats on the Blake Plateau, in Sedberry, G.R., ed., Island in the Stream--Oceanography and Fisheries of the Charleston Bump: American Fisheries Society Symposium, v. 25: p. 43-94

Chaytor, J.D., Twichell, D.C., ten Brink, U.S., Buczkowski, B.J. and Andrews, B.D.,2007, Revisiting submarine mass movements along the U.S. Atlantic continental margin; implications for tsunami hazards, in V. Lykousis, D. Sakellariou, and J. Locat, eds., Submarine mass movements and their consequences: Springer, Netherlands, p. 395-403

Twichell, D.C., Paskevich, V., Delorey, C.,,1998, GLORIA sidescan-sonar field data and navigation data collected off Puerto Rico in 1985 and the eastern United States in 1987: U.S. Geological Survey Open-File Report 98-619, CD-ROM. (Also available at http://pubs.usgs.gov/of/of98-619/)

Chaytor, Jason D., ten Brink, Uri S., Solow, Andrew R., and Andrews, Brian D.,2009, Size distribution of submarine landslides along the U.S. Atlantic margin: Marine Geology, v. 264, no. 1-2: p. 16-27. (Also available at http://dx.doi.org/10.1016/j.margeo.2008.08.007)

Twichell, David C., Chaytor, Jason D., ten Brink, Uri S., and Buczkowski, Brian,2009, Morphology of late Quaternary submarine landslides along the U.S. Atlantic continental margin: Marine Geology, v. 264, no. 1-2: p. 4-15. (Also available at http://dx.doi.org/10.1016/j.margeo.2009.01.009)

ten Brink, U.S., Barkan, R., Andrews, B.D., and Chaytor, J.D.,2009, Size distributions and failure initiation of submarine and subaerial landslides: Earth and Planetary Science Letters, v. 287, no. 1-2: p. 31-42. (Also available at http://dx.doi.org/10.1016/j.epsl.2009.07.031)

Geist, Eric L., Lynett, Patrick J., and Chaytor, Jason D.,2009, Hydrodynamic modeling of tsunamis from the Currituck landslide: Marine Geology, v. 264, no. 1-2: p. 41-52. (Also available at http://dx.doi.org/10.1016/j.margeo.2008.09.005)


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