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  2. warming
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  4. Page 3
Home»Posts tagged with»warming (Page 3)

Materials From Arctic Shelves Are Changing the Water’s Composition

By Lauren E. Kipp | AAAS on Nov 13, 2018   Featured, The Arctic and Alaska Science  

Materials From Arctic Shelves Are Changing the Water’s Composition

Materials from Arctic Shelves are Changing the Water’s Composition: Scientists say the input of shelf-derived materials to the central Arctic Ocean over the past decade appears to be increasing. They further note that this increase is altering the water’s composition and could threaten biological productivity and species assemblages. Their results provide one of the first […]

UW: Past Warm Period Polar Bear Strategy won’t Suffice this Time

By Michelle Ma | University of Washington on Oct 9, 2018   The Arctic and Alaska Science  

UW: Past Warm Period Polar Bear Strategy won’t Suffice this Time

Polar bears likely survived past warm periods in the Arctic, when sea ice cover was low, by scavenging on the carcasses of stranded large whales. This food source sustained the bears when they were largely restricted to land, unable to roam the ice in search of seals to hunt. A new study led by the University of […]

Unexpected Future Boost of Methane Possible from Arctic Permafrost

By Ellen Gray | NASA's Earth Science News Team on Aug 19, 2018   Featured, The Arctic and Alaska Science  

Unexpected Future Boost of Methane Possible from Arctic Permafrost

New NASA-funded research has discovered that Arctic permafrost’s expected gradual thawing and the associated release of greenhouse gases to the atmosphere may actually be sped up by instances of a relatively little known process called abrupt thawing. Abrupt thawing takes place under a certain type of Arctic lake, known as a thermokarst lake that forms […]

Ample Opportunity for Alaska to Join the Rising Tide of Renewable Energy

By Jake Naimark on Aug 8, 2018   Op/Ed and the Editor  

Ample Opportunity for Alaska to Join the Rising Tide of Renewable Energy

Dear Editor, In response to the recently published article entitled “Thawing Permafrost Microbiomes Fuel Climate Change,” it is increasingly evident that a bold and swift transition to renewable energy, and away from fossil fuels, is essential for maintaining a livable planet. Unforeseen variables, such as thawing permafrost carbon sinks, are only accelerating the rate of […]

Fires, Floods and Satellite Views: Modeling the Boreal Forest’s Future

By Jessica Merzdorf | NASA Goddard Space Flight Center on Jul 26, 2018   Featured, The Arctic and Alaska Science  

Fires, Floods and Satellite Views: Modeling the Boreal Forest’s Future

A new study shows that as those fires scorched a region of boreal forest the size of Maryland, they released half as much carbon back into the atmosphere as all the plants, shrubs and trees in Canada typically store in an entire year. The Arctic is warming faster than any other region on Earth, and […]

Warming in the North Continues as Predicted

By Ned Rozell | Geophysical Institute on Jun 22, 2018   Featured, The Arctic and Alaska Science  

Warming in the North Continues as Predicted

Just outside my window here at the University of Alaska Fairbanks, workers are drilling into the asphalt of a parking lot using a truck-mounted rig. They twist a hollow bit 25 feet into the ground and pull up hard, clear evidence of why the blacktop is sinking. A few days ago, John Walsh gave a […]

Study Links Climate Policy, Carbon Emissions from Permafrost

By Sonnary Campbell | UAF on Mar 27, 2018   Featured, The Arctic and Alaska Science  

Study Links Climate Policy, Carbon Emissions from Permafrost

Controlling greenhouse gas emissions in the coming decades could substantially reduce the consequences of carbon releases from thawing permafrost during the next 300 years, according to a new paper published this week in the Proceedings of National Academy of Sciences. Conversely, climate policy that results in little or no effort to control greenhouse gases like carbon […]

Wind, Sea Ice Changes Suggest Climate Change in Western Arctic

By Elaine Smith | University of Toronto Mississauga on Mar 21, 2018   Featured, The Arctic and Alaska Science  

Wind, Sea Ice Changes Suggest Climate Change in Western Arctic

A major shift in western Arctic wind patterns occurred throughout the winter of 2017 and the resulting changes in sea ice movement are possible indicators of a changing climate, says Kent Moore, a professor of physics at the University of Toronto Mississauga. Thanks to data collected by buoys dropped from aircraft onto the Arctic Ocean’s […]

Warm Arctic Means Colder, Snowier Winters in Northeastern U.S., Study Says

By Ken Branson | Rutgers on Mar 14, 2018   Featured, National, National/World  

Warm Arctic Means Colder, Snowier Winters in Northeastern U.S., Study Says

Scientists from Rutgers University-New Brunswick and Atmospheric and Environmental Research (AER) have linked the frequency of extreme winter weather in the United States to Arctic temperatures. Their research was published today in Nature Communications. “Basically, this confirms the story I’ve been telling for a couple of years now,” said study co-author Jennifer Francis, research professor of marine and coastal […]

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