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Greenland's Jakobshavn Glacier Is Moving at Record Speeds, Study Finds

2014-02-03 19:00:00| Climate Ark Climate Change & Global Warming Newsfeed

Yale Environment 360: Greenland's Jakobshavn Glacier is flowing into the ocean at a record pace of more than 17 kilometers per year, according to research by U.S. and German scientists. The glacier, which drains 6 percent of the massive Greenland ice sheet, moved at a rate of 46 meters per day in the summer of 2012 four times the glacier's 1990s summer pace. The unprecedented speed appears to be the fastest ever recorded for any glacier or ice stream in Greenland or Antarctica, the researchers report in the journal...

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Pine Island Glacier is shrinking

2014-01-15 19:31:00| Climate Ark Climate Change & Global Warming Newsfeed

Planet Earth Online: Pine Island Glacier, the largest single contributor to sea-level rise in Antarctica, has started shrinking, say scientists. The work, published in Nature Climate Change, shows the glacier's retreat may have begun an irreversible process that could see the amount of water it is adding to the ocean increase five-fold. 'At the Pine Island Glacier we have seen that not only is more ice flowing from the glacier into the ocean, but it's also flowing faster across the grounding line - the boundary between...

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Rapid Thinning of Antarctica's Pine Island Glacier May be Irreversible

2014-01-15 16:02:00| Climate Ark Climate Change & Global Warming Newsfeed

Nature World: The rapid thinning of Pine Island Glacier, located on the West Antarctic ice sheet, may be irreversible, an international team of scientists warn. Spanning more than 160,000 square kilometers, the PIG, as the ice mass is known, is the largest single contributor to sea-level rise in Antarctica, contributing 25 percent of the total ice loss from West Antarctica, according to the new study published in the journal Nature Climate Change. The report states that melting has become so excessive, the...

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Antarctica's Pine Island Glacier Vulnerable to La Nia Events, Researchers Find

2014-01-03 13:03:00| Climate Ark Climate Change & Global Warming Newsfeed

Nature World: Pine Island Glacier melting is more vulnerable to climatic variations caused by La Nia events than previously assumed, a new study reported. The present study was conducted by researchers at British Antarctic Survey along with their colleagues at University of Washington and other institutions. The team found that the melting of the ice-shelf decreased by 50 percent between the years 2010 and 2012. La Nina might have led to this decrease in melting, according to the researchers. La Nia is...

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