Related topics: climate change · arctic · nasa · ice · satellite

Arctic sea ice 2019 wintertime extent is seventh lowest

Sea ice in the Arctic appears to have hit its annual maximum extent after growing through the fall and winter. The 2019 wintertime extent reached on March 13 ties with 2007's as the 7th smallest extent of winter sea ice in ...

Image: Bering in dire straits

The Bering Strait is a sea passage that separates Russia and Alaska. It is usually covered with sea ice at this time of year – but as this image captured by the Copernicus Sentinel-1 mission on 7 March 2019 shows, it is ...

Arctic change has widespread impacts

As the Arctic warms faster than the rest of the globe, permafrost, land ice and sea ice are disappearing at unprecedented rates. And these changes not only affect the infrastructure, economies and cultures of the Arctic, ...

Sea ice plays pacemaker role in abrupt climate change

A new study looking at variations in past sea ice cover in the Norwegian Sea found the shrinkage and growth of ice was instrumental in several abrupt climate changes between 32,000 and 40,000 years ago.

The mechanism for Arctic cold air outbreaks into Eurasia

It is a reliable occurrence now: every time we have a cold event here in the United States, two public conversations begin, both of which deploy the term "polar vortex." Those who are suspicious of the reality of climate ...

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