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11/17/2009
The Antarctic ozone hole reached its 2009 peak circumference in late September, according to measurements by NOAA. It This ranked as the 10th largest since satellite measurements began in 1979.
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11/10/2009
Penguins that died 44,000 years ago in Antarctica have provided DNA samples that challenge the accuracy of traditional genetic aging measurements, and suggest those approaches may underestimate the age of many specimens by 200 to 600 percent.
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10/27/2009
The LARsen Ice Shelf System, Antarctica (LARISSA) project will conduct a uniquely in-depth and wide-ranging study of an ice-shelf ecosystem in the wake of the spectacular collapse of the Larsen B ice shelf.
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10/21/2009
The New York Air National Guard’s 109th Airlift Wing kicked off its 21st year of support for American Antarctic research today, as two ski-equipped C-130s roared off the runway here bound for the South Pole.
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10/19/2009
The possibility that climate change might simply be a natural variation like others that have occurred throughout geologic time is dimming, according to a team of reserachers from three U.S. universities.
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10/14/2009
The arctic now traps or absorbs up to 25 percent of global carbond dioxide, but climate change could alter that amount significantly, according to a study published in the November issue of Ecological Monographs.
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10/6/2009
Arctic sea ice extent in September was the third lowest since satellite records began in 1979. More ice cover remained this year than during the previous record-setting years of 2007 and 2008. But sea ice has not recovered to previous levels.
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9/25/2009
Unusually high temperatures in the Arctic and heavy rains in the tropics likely drove a global increase in atmospheric methane in 2007 and 2008 after a decade of near-zero growth, according to a new study.
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9/1/2009
Bob Jacobel, Grace Whittier Professor of Physics at St. Olaf College, has received NSF funding to participate in an interdisciplinary collaboration of scientists who are studying subglacial environments at two coastal sites in West Antarctica.
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8/26/2009
A new, international Greenland-based research effort set a record for single-season deep ice-core drilling this summer, recovering more than a mile of ice core that will help scientists better assess the risks of future abrupt climate change.
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