Significant spatial and temporal patterns emerge from the first pan-Arctic comparison of oxygen demand in marine sediments.
Arctic
Posted inResearch Spotlights
Tracking Nitrogen in Arctic Plants
Prevailing nutrient uptake models do not fit Arctic plants. Scientists test a new option that overcomes older models’ shortcomings.
Posted inNews
Concern About Climate Change Drives Arctic Council Meeting
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.
Posted inResearch Spotlights
What’s the Average Methane Isotope Signature in Arctic Wetlands?
Aircraft measurements confirm that methane emissions from northern European wetlands exhibit a uniform regional carbon isotopic signature, despite considerable ground-level heterogeneity.
Posted inResearch Spotlights
How Arctic Ice Affects Gas Exchange Between Air and Sea
Scientists begin to fill a major data gap by investigating carbon dioxide dynamics in a remote region of the Arctic Ocean.
Posted inResearch Spotlights
High Arctic Emissions of a Strong Greenhouse Gas
Isotope data bring scientists one step closer to revealing the microbial processes behind nitrous oxide emission in the tundra.
Posted inNews
White House Mum on Arctic Priorities as Key Meeting Approaches
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.
Posted inResearch Spotlights
Arctic Permafrost Thaw Would Amplify Climate Change
An international team probed Arctic permafrost samples to better understand the carbon feedback loop that could be set off by future thawing.
Posted inNews
Mounting Litter Spotted on Arctic Seafloor
At one location near Greenland, the density of undersea trash leaped by a factor of 23 in a decade.
Posted inScience Updates
The Balance of Ice, Waves, and Winds in the Arctic Autumn
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.