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The Greenland ice sheet contains nutrients from precipitation

Posted by External 24 days ago General — The ice sheet on Greenland contains the nutrient phosphorus, which was carried by the atmosphere and fell with precipitation, new research shows. This new knowledge is important for understanding how many nutrients can be expected to flow into the Arctic Ocean when the climate warms and the ice melts and flows into the sea, where nutrients give rise to increased algae growth. Read More
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Formation of coastal sea ice in North Pacific drives ocean circulation, climate

Posted by External 38 days ago General — An unprecedented analysis of North Pacific ocean circulation over the past 1.2 million years has found that sea ice formation in coastal regions is a key driver of deep ocean circulation, influencing climate on regional and global scales. Coastal sea ice formation takes place on relatively small scales, however, and is not captured well in global climate models. Read More
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Hot Math Calculates Melting Sea Ice | Expedition Video

Posted by External 42 days ago General — Math man Ken Golden needed to understand how water moves through sea ice. So he bundled up for a polar science quest; not only climate questions, but physics, biochemistry, and materials research will benefit from his work. Read More
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Billions of juvenile fish under the Arctic sea ice

Posted by External 43 days ago General — Using a new net, marine biologists have, for the first time, been able to catch polar cod directly beneath the Arctic sea ice with a trawl, allowing them to determine their large-scale distribution and origin. This information is of fundamental importance, as polar cod are a major source of food for seals, whales and seabirds in the Arctic. Read More
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2015 Antarctic maximum sea ice extent breaks streak of record highs

Posted by External 46 days ago General — The sea ice cover of the Southern Ocean reached its yearly maximum extent on Oct. 6. At 7.27 million square miles (18.83 million square kilometers), the new maximum extent falls roughly in the middle of the record of Antarctic maximum extents compiled during the 37 years of satellite measurements -- this year's maximum extent is both the 22nd lowest and the 16th highest. Read More
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Melting of Antarctic ice shelves set to intensify

Posted by External 49 days ago General — New research projects a doubling of surface melting of Antarctic ice shelves by 2050 and that by 2100 melting may surpass intensities associated with ice shelf collapse, if greenhouse gas emissions from fossil fuel consumption continue at the present rate. Read More
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Ice Age Mammoth Bones Discovered on Michigan Farm

Posted by External 51 days ago General — Two Michigan farmers made an unexpected discovery in a wheat field last week: the ice-age bones of a mammoth that was likely slaughtered by ancient humans. Read More
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Greenland's ice sheet plumbing system revealed

Posted by External 51 days ago General — Pioneering new research sheds light on the impact of climate change on subglacial lakes found under the Greenland ice sheet. A team of experts has studied the water flow paths from one such subglacial lake, which drained beneath the ice sheet in 2011. Read More
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