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Summary Information for Field Activity 1982-005-FA

Area of Operations: continental slope, northern Gulf of Mexico, United States, North America, North Atlantic

Dates: February 02, 1982 to February 24, 1982

Chief scientist: Lou Garrison

   Neil Kenyon - IOS

Objectives: Survey the continental slope in the northern Gulf of Mexico with the GLORIA long-range sidescan-sonar, a cooperative study with the Institute of Oceanographic Sciences, Godalming, England.

Type of Activity: Seismic profiling; Sea floor mapping;Sea floor mapping

Information to be derived: Sea floor map; Bathymetric maps;

Summary: The cruise collected 3,731 nautical miles of data on the continental slope in 17 days for the USGS, and in 2 additional days collected 395 nautical miles (732 km) of sidescan, 10 kHz echo sounder and large airgun data for an IPOD site survey on Mississippi Fan. The IPOD data will be deposited in the IPOD data bank when processing is completed. GLORIA sidescan sonar: 6910 km (12 reels of 9-track digital magnetic tapes, 12 reels of analog magnetic tapes, 464 photo negatives, photo prints, speed rectified sidescan data, shipboard monitor records); 10 kHz echo sounder: 6910 km (2 sec. sweep shipboard records, 0.5 sec. sweep shipboard records); Airgun: 6910 km (59 reels of analog magnetic tape, shipboard monitor records); Navigation: 50 Northstar cassette recordings from bridge, 19 magnetic tapes from seismic lab, 8 rolls printout from bridge, 4 rolls printout from seis lab, 1 reel digital 9-track tape of LORAN-C plus satellite fixes with water depths; XBT records: 69.

Contact: Lou Garrison ()

InfoBank: uses the identifier F-7-82-GM. Visit this site for more information.

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Platform Info:
photo of FARNELLA
FARNELLA

Publications resulting from these data

Twichell, David C., McGregor, Bonnie A., and Lubinski, David J.,1989, Seismic-reflection data from R/V FARNELLA Cruises FRNL82-7, FRNL85-1, FRNL85-2, and FRNL85-3A in the U.S. Gulf of Mexico EEZ: U.S. Geological Survey Open-File Report 89-549, 7 p.. (Available as a PDF version). (Also available at http://pubs.er.usgs.gov/usgspubs/ofr/ofr89549)

Twichell, D, Paskevich, V.F,,1996, GLORIA sidescan-sonar field data and navigation data collected in the Gulf of Mexico during R/V FARNELLA cruises in 1982 and 1985: U.S. Geological Survey Open-File Report 96-707, CD-ROM. (Also available at http://woodshole.er.usgs.gov/publications/of96-707/OPR96_707/INTRO.HTM)

Twichell, David C., Cross, VeeAnn A., Paskevich, Valerie F., Hutchinson, Deborah R., Winters, William J., and Hart, Patrick E.,2007, GIS of selected geophysical and core data in the northern Gulf of Mexico continental slope collected by the U.S. Geological Survey: U.S. Geological Survey Open-File Report 2005-1071, DVD-ROM. (Also available at http://pubs.usgs.gov/of/2005/1071/)


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