12 Mar '12, 3pm

Study: Even a small temperature increase will obliterate Greenland ice cap

Study: Even a small temperature increase will obliterate Greenland ice cap

Photo by NASA Goddard Space Flight Center. If you’ve been enjoying the recent unseasonably warm weather, prepare for a buzzkill: A study published on Sunday by the Potsdam Institute for Climate Impact Research found that even a teensy global temperature increase could turn the Greenland ice sheet into the world’s largest puddle. Previous research has suggested it would need warming of at least 3.1 degrees Celsius (5.6 degrees Fahrenheit) above pre-industrial levels, in a range of 1.9-5.1 C (3.4-9.1 F), to totally melt the icesheet. But new estimates, published in the journal Nature Climate Change, put the threshold at 1.6 C (2.9 F), in a range of 0.8-3.2 C (1.4-5.8 F), although this would have to be sustained for tens of thousands of years. Just to put things into perspective, obliterating the Greenland ice cap would create about 23.6 feet of sea level rise, flooding areas...

Full article: http://grist.org/list/study-even-a-small-temperature-incr...

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