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Releasing cork in Wilkes Basin Antarctica yields unstoppable sea-level rise
2014-05-08 18:31:00| Climate Ark Climate Change & Global Warming Newsfeed
Environmental News Network: Potsdam Institute for Climate Impact Research (PIK) latest study shows that if East Antarcticas Wilkes Basins rim of ice lets go, it is likely to trigger a persistent ice discharge into the ocean, resulting in unstoppable sea-level rise for thousands of years to come. Using the ground profile under the ice, the researchers used computer ice flow simulations under the ice sheet. "East Antarctica's Wilkes Basin is like a bottle on a slant," says lead-author Matthias Mengel, "once uncorked, it...
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Melting East Antarctica ice could mean thousands of years of unstoppable sea level rises
2014-05-07 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Science 2.0: The melting of a rather small ice volume on East Antarctica's shore could trigger a persistent ice discharge into the ocean, resulting in unstoppable sea-level rise for thousands of years to come, according to computer simulations of the Antarctic ice flow by scientists at the Potsdam Institute for Climate Impact Research (PIK). They detail their estimates in Nature Climate Change. "East Antarctica's Wilkes Basin is like a bottle on a slant," says lead-author Matthias Mengel, "once uncorked, it...
Avian flu discovered in penguins in Antarctica: scientist
2014-05-07 08:31:00| Climate Ark Climate Change & Global Warming Newsfeed
Reuters: Scientists have discovered a new strain of avian flu in the Antarctic, after testing a group of Adélie penguins, according to an Australian-based researcher. "We found that this virus was unlike anything else detected in the world," Aeron Hurt of the World Health Organization's Collaborating Center for Reference and Research on Influenza told Reuters from Melbourne on Tuesday. The flu virus, H11N2, was found in a small number of members of a group of Adélie penguins tested at two locations...
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East Antarctica ice's stability 'overestimated'
2014-05-06 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
International Business Times: The only thing keeping a large chunk of East Antarctica from becoming unstable and melting is a small cork of ice and its closer to bursting than scientists previously thought. According to new research published in the journal Nature Climate Change, global warming threatens to unhinge the rim of the coastal ice shelves of East Antarctica, a region known as the Wilkes Basin. If that were to happen, it could add several meters of sea level rise over the coming centuries. Scientists from...
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East Antarctica more at risk than thought to long-term thaw: study
2014-05-05 19:58:00| Climate Ark Climate Change & Global Warming Newsfeed
Reuters: Part of East Antarctica is more vulnerable than expected to a thaw that could trigger an unstoppable slide of ice into the ocean and raise world sea levels for thousands of years, a study showed on Sunday. The Wilkes Basin in East Antarctica, stretching more than 1,000 km (600 miles) inland, has enough ice to raise sea levels by 3 to 4 meters (10-13 feet) if it were to melt as an effect of global warming, the report said. The Wilkes is vulnerable because it is held in place by a small rim of ice,...
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