Polar scientists said Thursday they had successfully drilled a 2,000-year-old ice core in the heart of Antarctica in a bid to retrieve a frozen record of how the planet's climate has evolved.
Earth Sciences
May 8, 2014
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(Phys.org) —Scientists at the National Snow and Ice Data Centre (NSIDC), University College London, University of New Hampshire and University of Washington analysed 300 summer Arctic sea ice forecasts from 2008 to 2013 ...
Earth Sciences
Mar 27, 2014
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One of the most controversial issues emerging from the recent Intergovernmental Panel on Climate Change (IPCC) Fifth Assessment Report (AR5) is the failure of global climate models to predict a hiatus in warming of global ...
Earth Sciences
Oct 10, 2013
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The melting of sea ice in the Arctic is well on its way toward its annual "minimum," that time when the floating ice cap covers less of the Arctic Ocean than at any other period during the year. While the ice will continue ...
Earth Sciences
Aug 23, 2013
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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) -- 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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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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(PhysOrg.com) -- Last month the extent of sea ice covering the Arctic Ocean declined to the second-lowest extent on record. Satellite data from NASA and the NASA-supported National Snow and Ice Data Center (NSIDC) at the ...
Earth Sciences
Oct 5, 2011
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After two seasons of record-breaking lows, Antarctica's sea ice remains in dramatic decline, tracking well below any winter maximum levels observed since satellite monitoring began during the late 1970s.
Environment
Sep 26, 2023
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Dead and dying seabirds collected on the coasts of the northern Bering and southern Chukchi seas over the past six years reveal how the Arctic's fast-changing climate is threatening the ecosystems and people who live there, ...
Ecology
Dec 13, 2022
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