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Summary Information for Field Activity 2011-001-FA

Area of Operations: offshore shallow Beaufort Sea, Alaska, United States, North America, Arctic Ocean

Dates: August 01, 2011 to August 12, 2011

Chief scientist: Carolyn Ruppel

Objectives: Subbottom imaging shallow offshore Beaufort Sea, water column imaging, seafloor imaging, coring, and real-time water sampling with CRDS.

Type of Activity: Photography;shallow inner shelf of the Central Beaufort Sea, within and outside the 3-mile limit, between Cape Halkett and West Prudhoe Bay

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

Summary: Acquired 178 km of Chirp, sparker, and Swath data and 110 km of geochemical data, including CH4 and CO2 concentrations, salinity/water temp, and weather data

Contact: Carolyn Ruppel (

Related Links:

Platform Info:
RV Ukpik

Publications resulting from these data

Ruppel, C., Brothers, L., Hart, P., and Pohlman, J,2012, Warming-Driven Dissociation of Gas Hydrates on the Continental Shelf and Upper Continental Slope of the US Beaufort Seas [abs.]: Arctic Frontiers 2012

Ruppel, C., Brothers, L., Hart, P., Maue, C., Pohlman, J., Kessler, J., Sparrow, K.M., and Worley, C,2012, Methane Dynamics Associated with Long-Term Climate Change on the Alaskan Beaufort Sea Inner-Shelf: DOE, Fire in the Ice Newsletter

Data Types and Locations:


Marine Mammal Observer report Polar Bear logs Permits obtained



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