ZURICH, Switzerland — The world's glaciers thinned by an average of almost 29 inches (74 centimetres) in 2007, indicating that they are melting twice as fast this decade as during the 1980s and 1990s, Swiss scientists said Thursday.
The World Glacier Monitoring Service in Zurich regularly measures 80 glaciers around the globe.
It found that some Alpine glaciers lost as much as three metres of ice cover, while coastal glaciers in Norway actually thickened in 2007.
The rate of decline was less than in 2006, according to Michael Zemp, one of the scientists involved.
But 2007 was the sixth year this decade that the glaciers lost on average more than 50 centimetres thickness.
“This means that the rate of melting during the 1980s and 1990s has more than doubled,” Dr. Zemp said.
globeandmail.com: World's glaciers melting faster, scientists say
The World Glacier Monitoring Service in Zurich regularly measures 80 glaciers around the globe.
It found that some Alpine glaciers lost as much as three metres of ice cover, while coastal glaciers in Norway actually thickened in 2007.
The rate of decline was less than in 2006, according to Michael Zemp, one of the scientists involved.
But 2007 was the sixth year this decade that the glaciers lost on average more than 50 centimetres thickness.
“This means that the rate of melting during the 1980s and 1990s has more than doubled,” Dr. Zemp said.
globeandmail.com: World's glaciers melting faster, scientists say
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