Rate Of Glacial Retreat In Austria More Than Doubles In One Year

VIENNA—Nearly all of Austria's 900 glaciers retreated last year amid record-setting heat, according to Austrian scientists. The rapid melting mirrors a trend across the Alps and underscores scientists' warnings of accelerating, extreme climate impacts caused by human-caused greenhouse gas emissions.

Across the country, the glaciers retreated an average of 72 feet in 2015, more than twice the rate of the previous year, the Austrian Alpine Association said in its annual glacier survey. Three of the country's glaciers retreated by more than 320 feet. The nonprofit association—which promotes mountain culture, research and conservation— has been conducting detailed glacier measurements since 1927, creating a dramatic record of climate change effects in the alpine region.

"The summer of 2015 was more than 2 degrees Celsius warmer than the long-term average," said survey team coordinator Andrea Fischer, a glaciologist with the Austrian Academy of Sciences. "Long periods of high pressure and the absence summer snowfall...are the reasons for the glacial meltdown." Austria's largest glacier, the Pasterz, retreated by 177 feet in 2015, the survey found. Its volume has declined by half since it was first accurately measured in 1851. The annual survey measures a representative sample of 92 major glaciers; 96 percent were found to be receding.

Globally, 2015 was the hottest year since recordkeeping began in 1880, by a large margin, with the bulk of the temperature rise a result of manmade global warming, according to the World Meteorological Organization and U.S. government science agencies. Last summer was also the warmest on record in Austria, surpassing the previous record set in 2003, when heat waves were blamed for 30,000 deaths in Europe.

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