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Canada's ice shelves lost 23% of their area this summer mongabay.com September 3, 2008
"These substantial calving events underscore the rapidity of changes taking place in the Arctic," said Derek Mueller, an expert in Northern and Polar Studies at Trent University. "These changes are irreversible under the present climate and indicate that the environmental conditions that have kept these ice shelves in balance for thousands of years are no longer present." Researchers say disappearing sea ice and unusually warm temperatures are driving the disintegration of the ice shelf this year.
Overall more than 90 per cent of Canada's ice shelves have been lost over the past century. While most of this loss occurred during during a warm period in the 1930s and 1940s, temperatures in the Arctic are now even higher and ice shelf break-up has resumed since 2002.
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