Woods Hole Science Center

Summary Information for Field Activity 2010-054-FA

Area of Operations: centered on Harrison Bay, shallow Beaufort Sea, Alaska, United States, North America, Arctic Ocean

Dates: August 03, 2010 to August 09, 2010

Chief scientist: Carolyn Ruppel

Objectives: 1) Image seafloor. 2) Map top of subsea permafrost in very near shore. 3) Survey for possible methane emissions at distal inferred end of permafrost offshore. 4) Collect data to help constrain whether seaward limit of permafrost is 'real' or related to a lithologic change.

Type of Activity: Seismic profiling; Sea floor mapping;

Information to be derived: Bathymetric maps

Summary: Transit from Prudhoe Bay West Dock to eastern Harrison Bay; collected seismic data along lines running NE-SW and long tie lines running WNW to ESE until weather turned bad.

Contact: Carolyn Ruppel (cruppel@usgs.gov)

InfoBank: uses the identifier M-54-10-AR. Visit this site for more information.

Related Links: http://soundwaves.usgs.gov/2010/11/

Platform Info:

BOERME (formerly MMS) R

V 1273

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:

Navigation

Logs

Seismics

Sonar

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