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Big U-turn: Key melting Greenland glacier is growing again

By The News · 26 of March 2019 17:29:57
AP Photo,, No available, This 2016 photo provided by NASA shows patches of bare land at the Jakobshavn glacier in Greenland. The major Greenland glacier that was one of the fastest shrinking ice and snow masses on Earth is growing again, a new NASA study finds. The Jakobshavn glacier around 2012 was retreating about 1.8 miles (3 kilometers) and thinning nearly 130 feet (almost 40 meters) annually. But the last two years it started growing again at about the same rate, according to a study released on Monday, March 25, 2019, in Nature Geoscience. Study authors and outside scientists think this is temporary. (NASA via AP)

WASHINGTON (AP) — A new NASA study finds a major Greenland glacier that was one of the fastest shrinking ice and snow masses on Earth is growing again.

The Jakobshavn (YA-cob-shawv-en) glacier around 2012 was retreating about 1.8 miles (3 kilometers) and thinning nearly 130 feet (almost 40 meters) annually. But the study says it started growing again at about the same rate in the last two years.

Study authors and outside scientists think this is temporary.

NASA glaciologist Ala Khazendar, the lead author, says a natural cyclical cooling of North Atlantic waters likely caused the glacier to reverse course.

Khazendar says the research shows how important ocean temperature is to the retreating and advancing of glaciers. He says long-term climate change means large overall melting.

The study is in Monday’s Nature Geoscience.