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Summary Information for Field Activity 2009-007-FA

Area of Operations: Arctic Ocean

Dates: August 06, 2009 to September 17, 2009

Chief scientist: Deborah Hutchinson

   David Mosher, Geological Survey of Canada

Objectives: Sediment thickness mapping using multichannel seismics and sonobuoys on the potential U.S. extended continental shelf north of Alaska.

Type of Activity: Seismic profiling;

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

Summary: 4062 km of 16-channel multichannel seismic data 51 sonobuoys (46 good) 8355 line km 12 kHz echo sounder 177 Helicopter spot soundings 9 CTD Rosettes 72 XCTDs Underway measurement of seawater salinity, temperature, flourescence, gas tension, and oxygen saturation. Underway ice observations (log) Underway marine mammal observations (log)

Contact: Deborah Hutchinson (dhutchinson@usgs.gov)

InfoBank: uses the identifier L-7-09-AR. Visit this site for more information.

Related Links: http://soundwaves.usgs.gov/2010/08/

Platform Info:

Publications resulting from these data

Mosher, David C., Shimeld, John W., and Hutchinson, Deborah R.,2009, 2009 Canada Basin seismic reflection and refraction survey, western Arctic Ocean; CCGS Louis S. St-Laurent expedition report: Geological Survey of Canada Open File 6343, 235 p.. (Also available at http://geoscan.ess.nrcan.gc.ca/starweb/geoscan/servlet.starweb?path=geoscan/geoscanfastlink_e.web&search1=R=248208)

Hutchinson, D.R., and Barth, G.A.,2010, Continental margins and the U.S. Extended Continental Shelf Project: MARGINS/GeoPRISMS Newsletter, no. 25: p. 5-11. (Also available at http://www.nsf-margins.org/Publications/Newsletters/Issue25.pdf)

Mosher, D.C., Shimeld, J. Hutchinson, D., Jackson, R., Chian, D., Lebedeva-Ivanova, N., Oakey, G., Evangelatos, J., Li, Q., Funck, T., Mayer, L., Verhoef, J., and Forbes, S,2012, Re-evaluating Amerasian Basin tectonics and sedimentation with new geophysical data: 34th IGC Conference

Mosher, D.C., Shimeld, J., Hutchinson, D., Chian, D., Lebedeva-Ivanova, N., and Jackson, R.,2012, Canada Basin Revealed: Arctic Technology Conference

Data Types and Locations:

BathymetryGeophysicsNavigationLogsOceanographic MeasurementsSamplesSeismics

 

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