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Stronger Winds Behind Mysterious Growth in Antarctic Sea Ice, Study Suggests
2013-09-18 19:33:00| Climate Ark Climate Change & Global Warming Newsfeed
Nature World News: Strong westerly winds may be the reason Antarctic sea ice continues to expand in spite of a warming climate, a new study shows. Even as Arctic sea ice is hitting record lows, the Antarctic has been reaching record highs, baffling researchers and fueling arguments posed by global warming skeptics. "The overwhelming evidence is that the Southern Ocean is warming," Jinlun Zhang, an oceanographer at the University of Washington's Applied Physics Laboratory, said in a statement. "Why would sea ice...
Melt from below helping shrink Antarctic glaciers
2013-09-18 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
LiveScience: The ice that Antarctica is losing as chunks break off the continent's many glaciers may be only the tip of the iceberg. Scientists now find much of the ice Antarctica loses is due to melting from the undersides of ice shelves. During the last decade, the Antarctic ice sheet has been melting an increasing amount each year, mostly in the western portion of the continent. Most of the ice Antarctica loses is replaced by snowfall, but any ice that is not replaced adds to a rise in global sea level. ...
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Remote Antarctic glacier is disappearing from below
2013-09-15 16:00:00| Climate Ark Climate Change & Global Warming Newsfeed
National Public Radio: Scientists watching Antarctica's Pine Island Glacier from space have noticed with some alarm that it has been surging toward the sea. If it were to melt entirely, global sea levels would rise by several feet. The glacier is really, really remote. It's 1,800 miles from McMurdo, the U.S. base station in Antarctica, so just getting there is a challenge. Scientists have rarely been able to get out to the glacier to make direct measurements. "This was a granddaddy of a problem," says Tim Stanton, oceanography...
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Warm Water Under Antarctic Glacier Spurs Speedy Melting Rate
2013-09-13 06:00:00| Climate Ark Climate Change & Global Warming Newsfeed
LiveScience: A two-month-long expedition to one of the most remote sites on the planet the sprawling Pine Island Glacier in Antarctica has revealed that currents of warm water beneath the glacier are melting the ice at a staggering rate of about 2.4 inches (6 centimeters) per day. An international team of researchers journeyed to the southernmost continent to study the Pine Island Glacier, which is the longest and fastest-changing glacier on the West Antarctic Ice Sheet. This region, in the far reaches of...
Channels of Meltwater Detected in Antarctic Glacier
2013-09-12 22:31:00| Climate Ark Climate Change & Global Warming Newsfeed
Climate Central: An ambitious new study of Antarctica's ice shelves using an array of instruments, including sensors lowered more than 1,000 feet below the ice, has revealed clues about the mechanisms that are causing the Pine Island Glacier Ice Shelf, which holds back a portion of the massive West Antarctic Ice Sheet (WAIS), to melt. The study, along with other ongoing research, could result in more accurate estimates of future sea level rise. The new study, published on Thursday in the journal Science, provides...
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