(Phys.org) —Last September, at the end of the northern hemisphere summer, the Arctic Ocean's icy cover shrank to its lowest extent on record, continuing a long-term trend and diminishing to about half the size of the average ...
Earth Sciences
Apr 3, 2013
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The Arctic region continued to break records in 2012—among them the loss of summer sea ice, spring snow cover, and melting of the Greenland ice sheet. This was true even though air temperatures in the Arctic were unremarkable ...
Earth Sciences
Dec 6, 2012
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Each winter, wide swaths of the Arctic Ocean freeze to form sheets of sea ice that spread over millions of square miles. This ice acts as a massive sun visor for the Earth, reflecting solar radiation and shielding the planet ...
Earth Sciences
Nov 21, 2012
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(Phys.org)—Two weeks after a new record was set in the Arctic Ocean for the least amount of sea ice coverage in the satellite record, the ice surrounding Antarctica reached its annual winter maximum—and set a record for ...
Earth Sciences
Oct 12, 2012
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With Arctic ice cap at record low this summer, University of Calgary geography professor John Yackel predicts serious consequences for the planet.
Environment
Sep 24, 2012
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Today's announcement of a record low for Arctic sea ice extent shows the need for urgent local and global actions, say WWF experts. According to satellite monitoring, the low of 3.41 million square kilometers was reached ...
Environment
Sep 20, 2012
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Remember that enormous slab of ice that broke off Greenland's Petermann Glacier back in July? It's now on its way out to sea, a little bit smaller than it was a couple of months ago—but not much. At around 10 miles long ...
Earth Sciences
Sep 18, 2012
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(Phys.org) -- Direct, reliable observations of atmospheric conditions stretch as far back as the mid seventeenth century, with otherwise consistent records being punctuated by periodic updates in methods, practitioners, and ...
Earth Sciences
Jul 6, 2012
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(PhysOrg.com) -- A national research team led by the University of Colorado Boulder is embarking on a two-year, multi-pronged effort to better understand the impacts of environmental factors associated with the continuing ...
Earth Sciences
Jan 26, 2012
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Two University of Colorado Boulder researchers who have adapted a three-dimensional, general circulation model of Earth's climate to a time some 2.8 billion years ago when the sun was significantly fainter than present think ...
Earth Sciences
Dec 5, 2011
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