Arctic coastlines have not been considered carefully in carbon cycles for long, but new research suggests that eroding permafrost may emit more greenhouse gases than previously thought.
Arctic
Posted inEditors' Highlights
Permafrost Thaws Rapidly as Arctic River Flooding Increases
As climate warms, Arctic rivers carry higher flows and flood earlier in the spring, causing underlying permafrost to thaw rapidly.
Posted inEditors' Highlights
Polar Stratosphere Resolves North Atlantic Jet “Tug of War”
Getting the polar stratosphere right is critical in the simulation of North Atlantic climate change, which is shaped by the interaction of Arctic Amplification and tropical upper tropospheric warming.
Posted inResearch Spotlights
As Arctic Sea Ice Disappears, What Happens to Ecosystems?
The northern Bering Sea is experiencing record-setting low winter sea ice levels, which are impacting plankton, fish, and other animals in the region.
Posted inNews
Turning the Arctic Brown
For a generation, the tundra has seen an increasing growth of vegetation, a process known as Arctic greening. A more accurate term might be “Arctic browning.”
Posted inNews
House Passes Measure to Protect Arctic National Wildlife Refuge
The measure, which would repeal an oil and gas development program in the refuge, now needs to pass the Senate, where there is stiff opposition.
Posted inScience Updates
Is the Northern Permafrost Zone a Source or a Sink for Carbon?
Thawing permafrost could release large amounts of carbon into the atmosphere, but finding out how much requires better collection and curation of data.
Posted inNews
Light Permeates Seasonally Through Arctic Sea Ice
The transmission of sunlight through Arctic sea ice depends on the presence of ice, snow, and melt ponds, data collected over 6 years reveal.
Posted inNews
Scientists Rescue Historical Data Taken on Floating Ice Island
A never-before-published data set from the Cold War could help scientists unravel the mysterious western Arctic Ocean.
Posted inNews
Global Warming Is Conquering the Vikings
Ancient Arctic artifacts are disappearing as warming unfurls.