Monday, April 25, 2005

Antarctic Glaciers Show Major Melting

Last Updated Fri, 22 Apr 2005 15:47:45 EDT CBC News

WASHINGTON - A comprehensive survey of Antarctic glaciers shows the continent is melting worse than thought.

The three-year study by scientists from the British Antarctic Survey and U.S. Geological Survey used more than 2,000 aerial and satellite photographs. They document how 87 per cent of 244 glaciers have retreated over the past 50 years.

Glacier-ice shelves are floating glaciers that remain connected to the land, while tidewater glaciers rest on rock off the ocean.

"These glacier retreat patterns combined with dramatic ice shelf break-ups leave us in no doubt that the Antarctic Peninsula ice sheet is extremely sensitive to recent warming," said British glaciologist David Vaugan.

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