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Greenland's Great Melt Is Pinned On Climate Change
2013-06-19 09:55:00| Climate Ark Climate Change & Global Warming Newsfeed
Climate News Network: First: the story so far. For a few days in July 2012, almost 97% of the surface of Greenland began suddenly to thaw. This was a melt on an unprecedented scale. Greenland carries a burden of three million cubic kilometres of ice and even in the summer, most of it stays frozen, partly because of the islands high latitude and partly because ice reflects sunlight, and tends normally to serve as its own insulator. The event was so unusual, and so unexpected, and on such a scale that nobody seriously...
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Greenlands Ice Loss Slows, But Still Wont Save Coasts
2013-05-08 22:30:00| Climate Ark Climate Change & Global Warming Newsfeed
Climate Central: The flow of Greenland's glaciers toward the sea may have increased significantly in the past decade, but a new report in Nature finds that rate of increase is unlikely to continue. "The loss of ice has doubled in the past 10 years, but it's not going to double again,' said lead author Faezeh Nick, a glaciologist at the University Centre in Svalbard, in Longyearbyen, Norway, in an interview. That conclusion, based on a new, sophisticated computer model, makes the worst-case scenario of sea level...
Clouds Helped Enhance Greenlands Record Melting
2013-04-03 21:30:00| Climate Ark Climate Change & Global Warming Newsfeed
Climate Central: When scientists saw melting across a whopping 97 percent of Greenland's icy surface last summer, they were quick to note that such an event is rare, but not unprecedented. The last time it happened was in 1889, so while manmade global warming is clearly involved it isn't necessarily the entire story. A new new report in Nature on Wednesday has now helped flesh out the explanation: data from Summit Station, at the frozen island's highest point, 10,551 feet above sea level, show that unusually warm...
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Thin clouds drove Greenland's record-breaking 2012 ice melt
2013-04-03 20:28:00| Climate Ark Climate Change & Global Warming Newsfeed
ScienceDaily: If the sheet of ice covering Greenland were to melt in its entirety tomorrow, global sea levels would rise by 24 feet. Three million cubic kilometers of ice won't wash into the ocean overnight, but researchers have been tracking increasing melt rates since at least 1979. Last summer, however, the melt was so large that similar events show up in ice core records only once every 150 years or so over the last four millennia. "In July 2012, a historically rare period of extended surface melting...
Melting of Greenlands fringe glaciers adds to sea level rise
2013-03-19 15:00:00| Climate Ark Climate Change & Global Warming Newsfeed
Summit Voice: Glaciers on the edge of Greenland are pouring at about 50 gigatons of water into the Atlantic every year. Thats about half the volume of Lake Geneva, one of Europes largest lake, and enough to account for about 10 percent of annual global sea level rise, according to a new study by Swiss and Danish scientists. The research, published in Geophysical Research Letters, will help scientists improve the predictions of the future contribution of Greenlands ice to sea-level rise. The data could also...
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