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September 2007 - Nr. 9


The Editor
Letter to the Editor
In Canada, eh?
Tag der Heimat 2007
Hier O.K. Berlin!
KW & Beyond
German Pioneers Day
Dan's Satire
Lessons by Stray Dogs
German Diplomat at York University
Dick reports...
Sybille reports
Ham Se det jehört?
German Women's Soccer
Art History: September
Forming of YOUdance
October Listings
Czech Philharmonic Chamber Orchestra
The Elephant Man
COC Surpasses $10 Million
COC: Schafer@75
German Films at TIFF
Screen Industry Growth
Attract Skilled Newcomers
Impact of Idling at Schools
Community Power Fund
Thinner Ice in Arctic
Concern About Uranium
Chair of National Redress Council
War Made Easy
Financial Basics

Thinner Ice in Arctic

Ice Much Thinner in Arctic Sea, German Scientists Find

TWIG - The ice in the Arctic Sea is dramatically thinner in some places than six years ago, German scientists said on Thursday (Sept. 13), but cautioned that they did not know if this was caused by global warming.

The findings come from a summer trip to the area by the German research icebreaker Polarstern. Measurements showed some ice on the eastern-hemisphere side of the North Pole was only 1 meter (3.28 feet) thick, compared to 2 meters (6.56 feet) the last time it was checked, the Alfred Wegener Polar Research Institute (AWI) said in Bremerhaven.

AWI deputy chief Heinrich Miller said the change was not consistent, with the ice thicker elsewhere.

A Danish icebreaker on a similar expedition had been unable to break its way through and ice off the north shore of Spitzbergen was thicker than in the past.

Scientists did not know if the changes were part of a normal cycle or were caused by the greenhouse effect.

Miller said the measurements were basically consistent with a long-term reduction in the sea's ice cover, but they were only samples. The ice thickness varied greatly over time.

Polarstern scientists found that at present, warm Atlantic water was flowing into the Arctic basin, whereas in previous years those currents had been getting colder.

Credible scientific models suggest the Arctic Sea could be entirely free of ice in the summertime within 50 years.

The University of Hamburg's Marine and Atmospheric Research Center calculated the summer ice area this year at 3 million square kilometers (1.16 million square miles). The North-West Passage off Canada and the East Siberian Sea are largely free of ice.

That was the smallest extent of ice since satellite photography of the ice began in the 1980s, a center physicist, Lars Kaleschke, said. In the 1980s, there was 5.5 million square kilometers (2.12 million square miles) of ice floating on the sea.
Republished with permission from "The Week in Germany"


Alfred Wegener Polar Research Institute (AWI), Helmholtz Gemeinschaft

Marine and Atmospheric Research Center, University of Hamburg

International Polar Year (official site)

German Contribution to the International Polar Year


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