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All Articles Tagged As: antarctica
International team exploring two of the last uncharted regions of Earth, the Aurora and Wilkes Subglacial Basins, to learn about past climate change and future impacts on global sea level
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A U.S.-led, multinational team of scientists this month will investigate one of the Earth's last major unexplored places, using sophisticated airborne radar and ground-based seismologic tools to virtually peel away more than 2.5 miles of ice covering an Antarctic mountain range that rivals the Alps in elevation.
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 | The 2008 ozone hole - a thinning in the ozone layer over Antarctica - is larger both in size and ozone loss than 2007 but is not as large as 2006. ...> Full Article |
A snapshot of New Zealand's climate 40 million years ago reveals a greenhouse Earth, with warmer seas and little or no ice in Antarctica
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 | A lone granite boulder found against all odds high atop a glacier in Antarctica may provide additional key evidence to support a theory that parts of the southernmost continent once were connected to North America hundreds of millions of years ago. ...> Full Article |
 | The Wilkins Ice Shelf is experiencing further disintegration that is threatening the collapse of the ice bridge connecting the shelf to Charcot Island. ...> Full Article |
 | Wilkins Ice Shelf has experienced further break-up with an area of about 160 km² breaking off from 30 May to 31 May 2008. ESA’s Envisat satellite captured the event â€" the first ever-documented episode to occur in winter. ...> Full Article |
 | Seismologists have found seismic signals from a giant river of ice in Antarctica that make California's earthquake problem seem trivial. ...> Full Article |
 | Computer analyses of global climate have consistently overstated warming in Antarctica, concludes new research by scientists at the National Center for Atmospheric Research (NCAR) and Ohio State University. ...> Full Article |
Recent additions to the premier collection of Southern Ocean sediment cores at will give scientists a close-up look at fluctuations that occurred in Antarctica's ice sheet and marine and terrestrial life as the climate cooled considerably between 20 and 14 million years ago.
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 | Satellite imagery from the University of Colorado at Boulder's National Snow and Ice Data Center shows a portion of Antarctica's massive Wilkins Ice Shelf has begun to collapse because of rapid climate change in a fast-warming region of the continent. ...> Full Article |
 | Ice core scientists from the British Antarctic Survey (BAS) are joint winners of a major European science prize. The European Project for Ice Coring in Antarctica (EPICA) - which retrieved two deep ice cores that have revealed how Earth's climate behaved over the last 800,000 years - is one of three projects to be awarded the 2007 Descartes Prize for excellence in collaborative research. Three winning trans-national research teams share this year's Descartes Prize of 1.36 million Euros. The prize is awarded annually to teams which have achieved outstanding scientific or technological results through collaborative research in any field of science. ...> Full Article |
 | Boulders the size of footballs could help scientists predict the West Antarctic Ice Sheet's (WAIS) contribution to sea-level rise according to new research published this week in the journal Geology. ...> Full Article |
When the Larsen B Ice Shelf in Antarctica collapsed in 2002, the event appeared to be a sudden response to climate change, and this long, fringing ice shelf in the north west part of the Weddell Sea was assumed to be the latest in a long line of victims of Antarctic summer heat waves linked to Global Warming.
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 | More evidence of changing weather patterns around the Antarctic Peninsula - a region where climate has changed rapidly over the last 50 years - is published this month in Geophysical Research Letters (online). ...> Full Article |
Ice loss in Antarctica increased by 75 percent in the last 10 years due to a speed-up in the flow of its glaciers and is now nearly as great as that observed in Greenland, according to a new, comprehensive study by UC Irvine and NASA scientists.
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 | The first evidence of a volcanic eruption from beneath Antarctica's most rapidly changing ice sheet ...> Full Article |
 | After enduring months on the coldest, driest and windiest continent on Earth, researchers today closed out the inaugural season on an unprecedented, multi-year effort to retrieve the most detailed record of greenhouse gases in Earth's atmosphere over the last 100,000 years. ...> Full Article |
A second season in Antarctica for the Antarctic Geological Drilling (ANDRILL) Program has exceeded all expectations, according to the co-chief scientists of the program's Southern McMurdo Sound Project.
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 | The approach of winter in the northern hemisphere means that summer is coming to Antarctica - still bitterly cold, but just warm enough to let scientists make progress on ongoing studies. ...> Full Article |
New minerals include stornesite-(Y), chopinite and tassieite, all are extremely rare and represented only by microscopic samples.
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 | Geologists learn by looking at rocks. Of course, it's not that simple. Here in Minnesota, the tapestry of mineral-laden geology lies buried under forests, soils and parking lots. ...> Full Article |
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