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All Images

Discovery
Permafrost Could Be Climate's Ticking Time Bomb

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Photo of Gregory Lehn and Matt Knhosh talking with co-principal investigator Jim McClelland.

Gregory Lehn (left), a doctoral student in the department of Earth and planetary sciences at Northwestern University, and Matt Khosh (right), doctoral student in the department of marine sciences at the University of Texas, Austin, talk with Jim McClelland (center), professor in the department of marine sciences at the University of Texas, Austin, a co-principal investigator on the project.

Credit: Andrew D. Jacobson, Department of Earth and Planetary Sciences, Northwestern University


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Photo of Andrew Jacobson doing fieldwork in Alaska.

Andrew Jacobson of Northwestern University does fieldwork in Alaska to learn how rapidly permafrost is melting.

Credit: Andrew D. Jacobson, Department of Earth and Planetary Sciences, Northwestern University


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Photo of Thomas A. Douglas, co-principal investigator on the project, drilling in tundra.

Thomas A. Douglas, research chemist at the Cold Regions Research and Engineering Laboratory in Fairbanks, Alaska, and co-principal investigator on the project, drills in tundra.

Credit: Andrew D. Jacobson, Department of Earth and Planetary Sciences, Northwestern University


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Photo of Andrew Jacobson and colleague hiking along a road with Alaskan pipeline in foreground.

Andrew Jacobson of Northwestern University and a colleague hike along the Dalton Highway. The Alaskan pipeline is in the foreground.

Credit: Andrew D. Jacobson, Department of Earth and Planetary Sciences, Northwestern University


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