Antarctic Glaciers Are Growing Unstable Above and Below Water
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Profile
Thwaites Glacier
NASA
the International Thwaites Glacier Collaboration
Marine
the British Antarctic Survey
Punta Arenas
glacier.“They
Lamont Doherty Earth Observatory
Columbia University
the Technical University of Delft
Science by University of Washington
Penn State University
Alley
WIRED, Alley
design’ Thwaites
Condé Nast
Affiliate Partnerships
People
Eric NiilerTo
Kelly Hogan
Nathaniel B. Palmer
David Porter
Stef Lhermitte
Richard Alley
Groups
Antarctic
Dutch
French
Physical locations
the West Antarctic
the Southern Ocean
Antarctica
Pine Island Glaciers
the West Antarctic Ice Sheet
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Pine Island Glacier
Locations
Florida
the United States
the United Kingdom
US
UK
Chile
Netherlands
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Summary
Together, they revealed massive seafloor channels moving warm water to the base of the glacier.“They are important because Thwaites is vulnerable to changing quickly under climate change,” Hogan says. The researchers also used special equipment to detect gravitational changes in the glacier that revealed the density of the bedrock below the ice.The crew flew over both the glacier and the bay where Thwaites meets the ocean, according to David Porter, an associate scientist at Lamont Doherty Earth Observatory at Columbia University and an author on the second study, also published in the journal Cryosphere. “That’s one reason Thwaites has been changing,” he says.Scientists say Thwaites and the other glaciers are not likely to collapse in the next century; they are simply too big to fail right now. (A 2014 study published in the journal Science by University of Washington scientists used satellite data and numerical modeling to predict that the West Antarctic Ice Sheet, including Thwaites, may collapse in 200 to 1,000 years.)Instead, Lhermitte’s model is an attempt to incorporate ice sheet damage into similar global climate models that predict both sea level rise and the future of Antarctica’s glaciers.
As said here by Wired