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News About Ice Ages
January 28, 2015
Arctic ice cap slides into the ocean
Leeds, UK (SPX) Jan 28, 2015
Satellite images have revealed that a remote Arctic ice cap has thinned by more than 50 metres since 2012 - about one sixth of its original thickness - and that it is now flowing 25 times faster. A team led by scientists from the Centre for Polar Observation and Modelling (CPOM) at the University of Leeds combined observations from eight satellite missions, including Sentinel-1A and CryoSat, with results from regional climate models, to unravel the story of ice decline. The findings show tha ... read more

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Antarctic drill team first to reach where ice, ocean and land converge
Using a specially designed hot-water drill to cleanly bore through a half mile of ice, a National Science Foundation (NSF)-funded team of researchers has become the first ever to reach and sample th ... more
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UNL drillers help make new Antarctic discoveries
Using a hot-water drill and an underwater robotic vehicle designed, built and operated by a University of Nebraska-Lincoln engineering team, scientists have made new discoveries about Antarctica's g ... more
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Giant atmospheric rivers add mass to Antarctica's ice sheet
Extreme weather phenomena called atmospheric rivers were behind intense snowstorms recorded in 2009 and 2011 in East Antarctica. The resulting snow accumulation partly offset recent ice loss from th ... more
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Canada to stage helicopter wolf hunt to save caribou
A government plan to shoot up to 184 wolves from a helicopter to reduce their population and save caribou herds in western Canada drew sharp criticism from conservation groups Friday. ... more
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Chinese company takes over Greenland mine project
Greenland has transferred a large iron ore licence to a Chinese company after now-bankrupt British London Mining was unable to fulfil its 30-year commitment to the multi-billion dollar project. ... more
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Fossils reveal past, and possible future, of polar ice
The balmy islands of Seychelles couldn't feel farther from Antarctica, but their fossil corals could reveal much about the fate of polar ice sheets. About 125,000 years ago, the average global ... more
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Sea Shepherd in epic chase of Antarctic 'poaching' ship
Environmental activist group Sea Shepherd said Friday it has been chasing a "poaching" ship for three weeks amid heavy ice flows in an attempt to stop the crew from illegal fishing in the Southern Ocean. ... more
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Underwater drones map ice algae in Antarctica
New robot technology leads Antarctic exploration into a new epoch. It is now possible to study the underside of sea ice across large distances and explore a world previously restricted to specially ... more
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Why is Greenland covered in ice?
The ice on Greenland could only form due to processes in the deep Earth interior. Large-scale glaciations in the Arctic only began about 2.7 million years ago; before that, the northern hemisphere w ... more
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New science materializes from once-stuck Antarctica expedition ship
Just a year ago, the ship Akademik Shokalskiy became trapped in the ice floes of Antarctica. It had arrived carrying a crew intent on both recreating and honoring the scientific expedition of Douglas Mawson a century prior. ... more
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Four rescued from boat stuck in Antarctic
Argentina and Chile joined forces to rescue four people who were trapped after their Polish-flagged vessel got stuck on King George island on the edge of Antarctica, Chile's navy said Wednesday. ... more
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Methane is leaking from permafrost offshore Siberia
Yamal Peninsula in Siberia has recently become world famous. Spectacular sinkholes, appeared as out of nowhere in the permafrost of the area, sparking the speculations of significant release of gree ... more
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North Atlantic signalled Ice Age thaw 1,000 years before it happened
The Atlantic Ocean at mid-depths may have given out early warning signals - 1,000 years in advance - that the last Ice Age was going to end, scientists report in the journal Paleoceanography. Scient ... more
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Migrating 'supraglacial' lakes could trigger future Greenland ice loss
Predictions of Greenland ice loss and its impact on rising sea levels may have been greatly underestimated, according to scientists at the University of Leeds. The finding follows a new study, ... more
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Glacier beds can get slipperier at higher sliding speeds
As a glacier's sliding speed increases, the bed beneath the glacier can grow slipperier, according to laboratory experiments conducted by Iowa State University glaciologists. They say includin ... more
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Hidden Movements of Greenland Ice Sheet, Runoff Revealed
For years NASA has tracked changes in the massive Greenland Ice Sheet. This week scientists using NASA data released the most detailed picture ever of how the ice sheet moves toward the sea and new ... more
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Warming leads to more run-ins with polar bears
Word spread quickly: a polar bear, then two, were spotted near this remote Inuit village on the shores of Hudson Bay, about 1,800 kilometers (1,120 miles) north of Montreal. ... more
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The Greenland Ice Sheet: Now in HD
The Greenland Ice Sheet is ready for its close-up. The highest-resolution satellite images ever taken of that region are making their debut. And while each individual pixel represents only one momen ... more
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Sea Shepherd confronts illegal Antarctic poaching vessel
Environmental activist group Sea Shepherd said Thursday it confronted a ship known for poaching Patagonian toothfish and other rare species in the Antarctic, part of its efforts to target illegal fishing in the Southern Ocean. ... more
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Melting Arctic ice, rising temps seen as planet warms
Record high temperatures in Alaska, below average snow cover across the Arctic and excess summer ice melting in Greenland were observed this year by scientists, raising new concerns about global warming. ... more
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No laughing matter: Nitrous oxide rose at end of last ice age
Nitrous oxide (N2O) is an important greenhouse gas that doesn't receive as much notoriety as carbon dioxide or methane, but a new study confirms that atmospheric levels of N2O rose significantly as ... more
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Antarctica: Heat comes from the deep
The Antarctic ice sheet is a giant water reservoir. The ice cap on the southern continent is on average 2,100 meters thick and contains about 70 percent of the world's fresh water. If this ice mass ... more
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Andes glaciers, ailing giants hit by climate change
Like ailing giants, the tropical glaciers of the Andes Mountains are melting at worrying speed, raising scientists' fears that many will disappear before anything can be done to save them. ... more
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West Antarctic melt rate has tripled
A comprehensive, 21-year analysis of the fastest-melting region of Antarctica has found that the melt rate of glaciers there has tripled during the last decade. The glaciers in the Amundsen Se ... more
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