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463 matches found for "Antarctica"

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Mysteriously warm times in Antarctica

The findings, reported this week by scientists from the British Antarctic Survey (BAS), the Open University and University of Bristol in the journal Nature could help us understand more about rapid An...

Earth Sciences | nachricht Read more
Oceans' uptake of manmade carbon may be slowing

The oceans play a key role in regulating climate, absorbing more than a quarter of the carbon dioxide that humans put into the air. Now, the first year-by-year accounting of this mechanism during the ...

Earth Sciences | nachricht Read more
Optical properties of the Antarctic system and new radiation information

During the summer of 1997-1998, measurements of beam absorption and beam attenuation coefficients, and downwelling and upwelling irradiance were made in the Southern Ocean along a S-N transect at 6 de...

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Polar aircraft Polar 5 starts Antarctic season

Polar 5 will be used in three research programmes in the season 2009/10 and it will logistically support the established Antarctic flight network DROMLAN (Dronning Maud Land Air Network) as well as va...

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Ancient penguin DNA raises doubts about accuracy of genetic dating techniques

In other words, a biological specimen determined by traditional DNA testing to be 100,000 years old may actually be 200,000 to 600,000 years old, researchers suggest in a new report in Trends in Genet...

Life Sciences | nachricht Read more
Past climate of the northern Antarctic Peninsular informs global warming debate

The seriousness of current global warming is underlined by a reconstruction of climate at Maxwell Bay in the South Shetland Islands of the Antarctic Peninsula over approximately the last 14,000 years,...

Earth Sciences | nachricht Read more
Antarctica glacier retreat creates new carbon dioxide store

Large blooms of tiny marine plants called phytoplankton are flourishing in areas of open water left exposed by the recent and rapid melting of ice shelves and glaciers around the Antarctic Peninsula. ...

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Airborne nitrogen shifts aquatic nutrient limitation in pristine lakes

Examining nitrogen deposition in alpine and subalpine lakes in Colorado, Sweden and Norway, James Elser, a limnologist in the School of Life Sciences at Arizona State University, and his colleagues fo...

Studies and Analyses | nachricht Read more
RV Polarstern on its way into the Antarctic

Research vessel Polarstern will start its journey October 16th from Bremerhaven to its 26th expedition into Antarctica. The expedition consists of four legs and leads Polarstern, operated by the Alfre...

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NASA flies to Antarctica for largest airborne polar ice survey

Researchers will work from NASA's DC-8, an airborne laboratory equipped with laser mapping instruments, ice-penetrating radar and gravity instruments. Data collected from the mission will help sc...

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Last time carbon dioxide levels were this high: 15 million years ago, scientists report

"The last time carbon dioxide levels were apparently as high as they are today — and were sustained at those levels — global temperatures were 5 to 10 degrees Fahrenheit higher than they are toda...

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Peering under the ice of a collapsing polar coast

Starting this month, a giant NASA DC-8 aircraft loaded with geophysical instruments and scientists will buzz at low level over the coasts of West Antarctica, where ice sheets are collapsing at a pace ...

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Albatross camera reveals fascinating feeding interaction with killer whale

A miniature digital camera was attached to the backs of four black-browed albatrosses (Thalassarche melanophrys) breeding at colonies on Bird Island, South Georgia in the Southern Ocean. Results are p...

Life Sciences | nachricht Read more
The European Project Eurofleets

The project Eurofleets (European fleets) funded by the European Commission in the 7th Framework program was recently launched with a meeting of about 100 scientists and fleet operators in Paris. ...

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MSU scientist helps map potato genome; move will improve crop yield

"The potato is the most important vegetable worldwide," said Robin Buell, an MSU associate professor of plant biology. She was part of the consortium that released the first draft sequence o...

Agricultural and Forestry Science | nachricht Read more
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