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Arctic

Researchers examine the exchange of carbon dioxide between the air and water in an Arctic region where thick ice has prevented ship passage.
Posted inResearch Spotlights

How Arctic Ice Affects Gas Exchange Between Air and Sea

by Sarah Stanley 14 April 20179 August 2022

Scientists begin to fill a major data gap by investigating carbon dioxide dynamics in a remote region of the Arctic Ocean.

Sparse vegetation grows in special areas of the frosty soils in Komi Republic, in northwestern Russia.
Posted inResearch Spotlights

High Arctic Emissions of a Strong Greenhouse Gas

by Sarah Stanley 6 April 201711 August 2022

Isotope data bring scientists one step closer to revealing the microbial processes behind nitrous oxide emission in the tundra.

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.

The R/V Sikuliaq is surrounded by new pancake ice and remnants of multiyear ice after a wave event on 17 October 2016.
Posted inScience Updates

The Balance of Ice, Waves, and Winds in the Arctic Autumn

by J. Thomson, S. Ackley, H. H. Shen and W. E. Rogers 23 January 20173 December 2021

Although summer sea ice loss in the Arctic is well studied, less is known about how ice comes back in autumn. A new program is changing that.

Thermokarst hills
Posted inNews

Map Reveals Hot Spots for Arctic Greenhouse Gas Emissions

by JoAnna Wendel 17 October 20165 October 2022

By bringing together data on permafrost stability, soils, and other Arctic conditions, scientists have plotted where permafrost is vulnerable to collapse, which could release long-stored carbon.

Hovercraft-based Arctic sea ice drift research station in February
Posted inScience Updates

Scientists Spend Arctic Winter Adrift on Sea Ice

by Y. Kristoffersen, A. Tholfsen, J. K. Hall and R. Stein 11 October 20169 August 2022

A hovercraft-based ice drift station gives researchers access to previously inaccessible regions of the changing Arctic sea ice cover off the coast of Greenland.

Posted inEditors' Vox

The Arctic Freshwater Synthesis

by T. D. Prowse 28 September 20169 December 2021

The result of international study and coordination, this Special Issue provides an important "state-of-the-science" review of changing systems and their potential impacts.

Methane-releasing vegetation flourishes in small freshwater Arctic tundra ponds
Posted inNews

Aquatic Plants May Accelerate Arctic Methane Emissions

by R. Heisman 22 September 201611 August 2022

About two thirds of the gas produced by a study area near Barrow, Alaska, came from increasingly abundant greenery covering only 5% of the landscape, researchers estimate.

University of California, Los Angeles geography scientists study the supraglacial hydrology of the Greenland Ice Sheet.
Posted inScience Updates

Communicating Arctic Science Creatively for Diverse Audiences

by M. L. Druckenmiller and J. Rohde 10 August 20167 January 2022

Revealing the New Arctic: A Climate Change Communication Workshop; San Francisco, California, 16 December 2015

Posted inResearch Spotlights

Arctic Survey Hunts for Missing Nitrogen and Phosphorus

by David Shultz 5 July 201622 December 2021

A new survey of ocean waters flowing in and out of the Arctic may shed light on how dissolved organic nitrogen and phosphorus contribute to nutrient cycling in the Arctic.

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