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Date Taken:

December 21, 2013

Photograph By:

Peter Rejcek, NSF

License Type:

Public Domain

Scientist Vasilii Petrenko adjusts the system used to capture gases released by melting large ice cores (not pictured) during the 2013-14 summer field season. Scientists need large ice cores to extract enough ancient methane for analyses that will pinpoint the source of the greenhouse gas, offering clues to how the Earth responded to abrupt climate change in the past and how it may behave in the future. The project was led by Petrenko at the University of Rochester, Read the article in The Antarctic Sun for more information.

Associated Keywords

Antarctica, Climate Change, Cold, Drilling, Drills, Dry Valleys, Field Camp, Field Work, Glacier, Greenhouse, Ice, Ice Core, Methane, NSF, Public Domain, Taylor Glacier

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This photo is in the public domain.

Photos whose copyright has expired or were taken by government employees as part of their job duties are considered to be in the public domain. Public domain works are not subject to copyright laws. Anyone may download these photos and use them freely, even for commercial purposes.

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This photo is covered by a Creative Commons license. Please see the Usage and Submissions page for more information. Use of this photo requires the following:

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