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Arctic ice retreats into uncharted territory
09-27-2007 · EurekAlert!On Oct. 1, the National Snow and Ice Data Center will issue a report summarizing the 2007 Arctic sea ice season, and NASA will issue a press release on a new sea ice study by NASA/JPL researchers. NASA has created new images in support of these and other reports about the remarkable decrease in sea ice this summer.
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- Abrupt ice retreat could produce ice-free arctic summers by 2040
12-11-2006 · EurekAlert!
New NCAR research indicates that Arctic sea ice will soon begin to retreat four times more rapidly than at any time since observations began. The Arctic may become nearly devoid of late summertime sea ice by about 2040 because of greenhouse gas emissions.
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- DNA gives new perspectives to understand the mysteries of nature
02-13-2007 · EurekAlert!
Scientific breakthrough: What caused the extinction of the woolly rhinoceros ten thousand years ago from an area in Europe covering the coasts of the Arctic Ocean in the north to the coasts of the Mediterranean in the south? What caused the extinction of the mammoth while other ice age mammals like the musk ox just barely survived to present day. A new scientific methodological approach to detect genetic material will help researchers to solve the many mysteries of the past.
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- U of Colorado researchers forecast 1 in 3 chance of record low sea ice in 2007
04-19-2007 · EurekAlert!
University of Colorado at Boulder researchers are forecasting a one in three chance that the 2007 minimum extent of sea ice across the Arctic region will set an all-time record low.
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- The sea ice is getting thinner
09-13-2007 · EurekAlert!
Large areas of the Arctic sea ice are only one meter thick this year, equating to an approximate 50 percent thinning as compared to the year 2001. These are the initial results from the latest Alfred Wegener Institute for Polar and Marine Research in the Helmholtz Association lead expedition to the North Polar Sea.
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- Satellites witness lowest Arctic ice coverage in history
09-14-2007 · European Space Agency (ESA)
The area covered by sea ice in the Arctic has shrunk to its lowest level this week since satellite measurements began nearly 30 years ago, opening up the Northwest Passage – a long-sought short cut between Europe and Asia that has been historically impassable.
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- Arctic expeditions find giant mud waves, glacier tracks
12-12-2007 · EurekAlert!
Scientists gathering evidence of ancient ice sheets uncovered a new mystery about what's happening on the Arctic sea floor today. Sonar images revealed that, in some places, ocean currents have driven the mud along the Arctic Ocean bottom into piles, with some "mud waves" nearly 100 feet across.
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- Astronomers discover new kind of black-hole explosion
12-20-2006 · EurekAlert!
Scientists have discovered what appears to be a new kind of cosmic explosion -- a "hybrid gamma-ray burst" -- which will be the subject of four articles to be published in the journal Nature on 21 December 2006. The scientists include four astrophysicists at Penn State University as well as others around the globe. The nature of the explosion is a puzzle in "virtually uncharted territory" for space scientists.
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- Arctic ice retreating more quickly than computer models project
04-30-2007 · EurekAlert!
A new study published in Geophysical Research Letters concludes that Arctic sea ice is melting faster than indicated by the computer models used by the Intergovernmental Panel on Climate Change. The shrinking of summertime ice is about 30 years ahead of IPCC projections.
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- Rising surface temperatures drive back winter ice in Barents Sea, Rutgers researchers find
09-17-2007 · EurekAlert!
Rising sea-surface temperatures in the Barents Sea, northeast of Scandinavia, are the prime cause of the retreating winter ice edge over the past 26 years, according to research by Jennifer Francis, associate research professor at Rutgers' Institute of Marine and Coastal Sciences. The recent decreases in winter ice cover is clear evidence that Arctic pack ice will continue on its trajectory of rapid decline, Francis said.
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- Without its insulating ice cap, Arctic surface waters warm to as much as 5 C above average
12-12-2007 · EurekAlert!
Record-breaking amounts of ice-free water have deprived the Arctic of more of its natural "sunscreen" than ever in recent summers. The effect is so pronounced that sea surface temperatures rose to 5 C above average in one place this year, a high never before observed, says the University of Washington oceanographer who has compiled the first-ever look at average sea surface temperatures for the region.
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