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Arctic

Posted inScience Updates

Airborne Platforms Help Answer Questions in Polar Geosciences

by M. Scheinert, G. Eagles and K. Tinto 29 September 201728 October 2021

International Workshop on Airborne Geodesy and Geophysics with Focus on Polar Applications; Dresden, Germany, 19–21 April 2017

Increased winter flows in the Tanana River have puzzled researchers—until now
Posted inResearch Spotlights

Why Are Arctic Rivers Rising in Winter?

by E. Underwood 5 September 20173 March 2023

Increased glacial melt is boosting winter streamflows by filling aquifers, a new study on an Alaskan river suggests.

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

Engineering New Foundations for a Thawing Arctic

Laura Poppick, freelance science writer by L. Poppick 22 August 201728 February 2023

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

climate change globe arctic
Posted inResearch Spotlights

New Baseline for Understanding Arctic Oxygen and Nutrient Fluxes

by Terri Cook 11 August 201727 September 2022

Significant spatial and temporal patterns emerge from the first pan-Arctic comparison of oxygen demand in marine sediments.

Researchers try to better model the role of Arctic plants on nitrogen uptake.
Posted inResearch Spotlights

Tracking Nitrogen in Arctic Plants

Elizabeth Thompson by Elizabeth Thompson 20 June 201721 February 2023

Prevailing nutrient uptake models do not fit Arctic plants. Scientists test a new option that overcomes older models’ shortcomings.

Melting Arctic sea ice at Pond Inlet, Nunavut, Canada.
Posted inNews

Concern About Climate Change Drives Arctic Council Meeting

by Randy Showstack 16 May 201719 April 2023

Actions taken by ministers at the meeting included an agreement on international Arctic scientific cooperation and adoption of recommendations of a report on the region’s changing state.

New measurements help researchers assess methane emitted by wetlands
Posted inResearch Spotlights

What’s the Average Methane Isotope Signature in Arctic Wetlands?

by Terri Cook 4 May 20173 March 2023

Aircraft measurements confirm that methane emissions from northern European wetlands exhibit a uniform regional carbon isotopic signature, despite considerable ground-level heterogeneity.

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

Sarah Stanley, Science Writer 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

Sarah Stanley, Science Writer 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.

Polar bear walks on Arctic sea ice.
Posted inNews

White House Mum on Arctic Priorities as Key Meeting Approaches

by Randy Showstack 29 March 201710 March 2023

Arctic experts are watching to see whether U.S. Secretary of State Rex Tillerson will attend the Arctic Council meeting in May as a sign of how engaged the Trump administration will be in the region.

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