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USGS Coastal and Marine Geology Program

Field Activity Details for field activity 2009-062-FA

Other ID: Alaskan Lakes - May

Status: Completed

Organization(s): USGS, Woods Hole Coastal and Marine Science Center

Funding Program(s):

Principal Investigator(s): John Pohlman

Affiliate Investigator(s): Mat Wooller, University of Alaska - Fairbanks

Information Specialist(s): John Pohlman

Data Type(s): Environmental Data: Methane, Sampling: Chemistry, Sampling: Geology

Scientific Purpose/Goals: Collect geochemical data in methane-emitting lakes.


Start Port/Location: Fairbanks, AK

End Port/Location: Fairbanks, AK

Start Date: 2009-05-05

End Date: 2009-05-17

Equipment Used: Percussion core, Pore water sampling, Gas sampler

Information to be Derived:

Summary of Activity and Data Gathered: A large number (~200) of pore water and gas samples from sediment cores. 3 Noble gas samples.

Staff: John Pohlman

Affiliate Staff:
Mat Wooller
University of Alaska-Fairbanks (UAF); Mary Beth Leigh
UAF; Katey Walter
UAF; Monica Heintz
UC-Santa Barbara

Notes: Original Center People field contained: John Pohlman, Geochemistry.
Project = High-Latitude Climate-Hydrates Interactions - Dept. of Energy, High-Latitude Climate-Hydrates Interactions - Dept. of Energy


1) Lake Qalluuraq, near Atqasuk, North Slope Borough, Alaska;2) Kilarney Lake, near Fairbanks, Alaska;

North: 70.61261 South: 65.36684 West: -157.236 East: -148.35938


photo of On Ice
On Ice


Wooller, M.J., Ruppel, C., Pohlman, J.W., Leigh, M.B., Heintz, M., and Anthony, K.W., 2009, Permafrost gas hydrates and climate change; lake-based seep studies on the Alaskan north slope: Fire in the Ice, U.S. Department of Energy/National Energy Technology Laboratory, Methane Hydrate Newsletter, Summer 2009, v. 9 no. 3, pp. 6–9, URL:


Data Acquired

Survey EquipmentSurvey InfoData Type(s)Data Collected
Gas sampler --- Dissolved Oxygen
Gas Hydrates
2009-062-FA-SC-003-01 ( Gas analysis: concentrations from gases.)
2009-062-FA-SC-004 ( Noble gas samples: gas samples sealed in 3/8" copper tubing.)
2009-062-FA-SC-003 ( Gas composition samples: in 20 ml serum vials stoppered with septa.)
Pore water sampling --- Chemistry
2009-062-FA-SC-002-01 ( Fluids analysis: performed on selected samples in Germany, Fall 2009.)
2009-062-FA-SC-002 ( Pore water samples: water samples stored in vials and bottles of various kinds.)
Percussion core --- Geology
2009-062-FA-SC-001-01 ( Sediment analysis: performed on selected samples in Germany, Fall 2009.)
2009-062-FA-SC-001 ( Percussion cores: samples from cores extracted and stored at USGS Samples facility.)

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