Search results for arctic


8 Votes Vote

Arctic Ice Slides into the Ocean

Posted by External 4 days ago General
http://www.enn.com — 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, Read More
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6 Votes Vote

Arctic ice cap slides into the ocean

Posted by External 4 days ago General
http://feeds.sciencedaily.com — 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. The findings show that over the last two decades, ice loss from the south-east region of Austfonna, located in the Svalbard archipelago, has increased significantly. In this time, ice flow has accelera Read More
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13 Votes Vote

Arctic Sea Ice Has Declined Steeply Since 1979 | Video

Posted by External 13 days ago General
http://feedproxy.google.com — NASA data shows that average sea ice totals have dropped significantly, with a precipitous fall between 2002 and 2008. Sea level rise is a direct result of sea ice loss. Read More
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Thawing Arctic Soil Could Dramatically Increase Carbon Levels | Video

Posted by External 15 days ago General
http://feedproxy.google.com — As Arctic permafrost thaws due to rising global temperatures, soil microbes may speed up the rate at which they liberate carbon into the atmosphere. Read More
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8 Votes Vote

Satellites measure increase of Sun's energy absorbed in the Arctic

Posted by External 39 days ago General
http://feeds.sciencedaily.com — NASA satellite instruments have observed a marked increase in solar radiation absorbed in the Arctic since the year 2000 -- a trend that aligns with the steady decrease in Arctic sea ice during the same period. Read More
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11 Votes Vote

Emergence of modern sea ice in Arctic Ocean, 2.6 million years ago

Posted by External 59 days ago General
http://feeds.sciencedaily.com — The extent of sea ice cover in Arctic was much less than it is today between four and five million years ago. The maximum winter extent did not reaching its current location until around 2.6 million years ago. "We have not seen an ice free period in the Arctic Ocean for 2,6 million years. However, we may see it in our lifetime." says a marine geologist. Read More
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Thousands of Eocene Shark Teeth Found in Canadian Arctic

Posted by External 60 days ago General
http://feedproxy.google.com — More than 8,000 shark teeth that date back millions of years have been found on Banks Island, in the Canadian Arctic. Read More
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Arctic conditions may become critical for polar bears by end of 21st century

Posted by External 60 days ago General
http://feeds.sciencedaily.com — Shifts in the timing and duration of ice cover, especially the possible lengthening of ice-free periods, may impact polar bears under projected warming before the end of the 21st century, experts say. Read More
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