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permafrost

Small lakes dot the tundra north of Yellowknife, in Canada’s Northwest Territories.
Posted inNews

Airborne Surveys Examine Water Levels of Lakes Perched on Permafrost

by J. Leman 14 December 201730 September 2021

Do water levels in high-latitude Canadian lakes fluctuate as one body or as separate entities? The answer could reveal clues to how melting permafrost influences the environment.

Researchers look at submarine permafrost cores to track microbial growth
Posted inResearch Spotlights

Microbes May Thrive in Subsea Permafrost Long After Flooding

by Sarah Stanley 1 September 20179 December 2021

Two cores from the East Siberian Arctic Shelf reveal how microbial communities develop over thousands of years as submarine permafrost slowly thaws.

Beneath the Aurora Research Institute’s two-story building in Inuvik
Posted inNews

Engineering New Foundations for a Thawing Arctic

by L. Poppick 22 August 2017

Researchers experiment with new building supports to prepare the Arctic for rapid shifts in permafrost and ground stability.

Wildfire in Greenland
Posted inNews

Greenland Fires Ignite Climate Change Fears

by JoAnna Wendel 11 August 201711 January 2022

The fires are stoking worries about the vast island’s thawing permafrost.

A frozen river winds through the tundra in northern Siberia.
Posted inNews

Climate Change Could Make Siberia an Attractive Place to Live

by Tim Hornyak 12 July 20179 December 2021

Although anticipated warmer temperatures promise to render the region more comfortable for people, the transformation might turn permafrost areas into inhospitable bogs.

Wetlands of the Kobuk River Valley in Alaska.
Posted inScience Updates

Resolving a Methane Mystery in the Arctic

by A. D. McGuire, B. P. Kelly and L. Sheffield Guy 11 July 20172 November 2021

International Workshop to Reconcile Methane Budgets in the Northern Permafrost Region; Seattle, Washington, 7–9 March 2017

Posted inEditors' Vox

Thawing Permafrost: Monitored, Quantified, Predicted

by Ankur R. Desai 7 July 20179 December 2021

With thawing permafrost projected to release significant amounts of carbon in response to climate change, one of the editors of JGR: Biogeosciences reflects on the slew of recent papers in this field.

Researchers work to improve modeling of how thawing permafrost may impact Earth’s ecosystems
Posted inResearch Spotlights

Modeling Permafrost's Role in the Global Carbon Cycle

by S. Witman 15 March 20179 December 2021

A team of international scientists surveyed an array of Earth ecosystem models, recommending several ways to reduce uncertainties.

Samples of Arctic permafrost hold clues to the carbon feedback loop that may be sparked as the permafrost thaws.
Posted inResearch Spotlights

Arctic Permafrost Thaw Would Amplify Climate Change

by S. Witman 3 March 201715 November 2021

An international team probed Arctic permafrost samples to better understand the carbon feedback loop that could be set off by future thawing.

Posted inNews

Andrew G. Slater (1971–2016)

by M. P. Clark, D. Lawrence and A. P. Barrett 8 February 201718 February 2022

Andrew "Drew" Slater, land modeler extraordinaire, died on 9 September 2016. He was 44 years old.

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