Other ID: none
Status: Completed
Organization(s): USGS, Woods Hole Coastal and Marine Science Center
Funding Program(s):
Principal Investigator(s): Carolyn Ruppel
Affiliate Investigator(s):
Information Specialist(s): Carolyn Ruppel
Data Type(s): Environmental Data: Conductivity, Environmental Data: Methane, Environmental Data: Temperature, Location-Elevation: Navigation, Sampling: Geology, Seismics: Sparker, Seismics: Sub Bottom Profiler, Sonar: Interferometric, Sonar: Multibeam, Sonar: Single Beam, Visual Identification: Species ID
Scientific Purpose/Goals: Subbottom imaging shallow offshore Beaufort Sea, water column imaging, seafloor imaging, coring, and real-time water sampling with CRDS.
Vehicle(s):
Start Port/Location: West Dock Prudhoe Bay, AK
End Port/Location: West Dock, Prudhoe Bay, AK
Start Date: 2011-08-01
End Date: 2011-08-12
Equipment Used: YSI multiparameter sonde, HYPACK, EdgeTech 424 chirp sub-bottom profiler, Single channel hydrophone, Visual Mammal ID, SEA SWATHplus-M 234 kHz, Cavity Ring-Down Spectroscopy (CRDS), Sparker , Humminbird fishfinder, Alpine Vibracorer
Information to be Derived: Sea floor map;Bathymetric maps;Morphology;
Summary of Activity and Data Gathered: 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
Staff: Laura Brothers, John Pohlman, Charles Worley
Affiliate Staff:
John Kessler
TAMU
Casey Moore
Stanford student (WHOI Summer Student Fellow)
Katy Sparrow
TAMU
Notes: Cruise dates ~1 through 12 August, with one full port day for equip changeover on 8 August
Project = Natural Gas Hydrates/DOE,
Location:
offshore shallow Beaufort Sea, Alaska, United States, North America, Arctic Ocean;
Boundaries | |||
---|---|---|---|
North: 70.91664 | South: 70.25945 | West: -152.49 | East: -148.07373 |
Platform(s):
![]() Ukpik |
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. Tromso, Norway, January 20, 2012.
Ruppel, C., Brothers, L., Hart, P., Maue, C., Pohlman, J., Kessler, J., Sparrow, K.J., Worley, C., 2012, Methane Dynamics Associated with Long-Term Climate Change on the Alaskan Beaufort Sea Inner-Shelf: DOE, Fire in the Ice Newsletter, v. 12 no. 1.
Title | Survey Equipment | Description |
---|---|---|
Protected Species Log | (document not focused on specific equipment) | Marine Mammal Observer report, polar bear sighting logs. |
Survey Equipment | Survey Info | Data Type(s) | Data Collected |
---|---|---|---|
YSI multiparameter sonde | --- | Conductivity Dissolved Oxygen ORP pH Temperature | |
HYPACK | --- | Navigation | |
EdgeTech 424 chirp sub-bottom profiler | --- | Sub Bottom Profiler | |
Single channel hydrophone | --- | Air Gun / Water Gun Boomer Bubble Gun Sparker Sub Bottom Profiler | |
Visual Mammal ID | --- | Species ID | 2011-001-FA-NL-001 (Marine Mammal Observer report
Polar Bear logs
Permits obtained
) |
SEA SWATHplus-M 234 kHz | --- | Interferometric | |
Cavity Ring-Down Spectroscopy (CRDS) | --- | CO2 Methane Experiments (geochemical) Surveys (geochemical) Chemistry | |
Sparker | --- | Sparker | |
Humminbird fishfinder | --- | Single Beam | |
Alpine Vibracorer | --- | Geology |