A new study says the melting of Alaska’s Juneau icefield, home to more than 1,000 glaciers, is accelerating.
Snag these new Insider Deals before they are goneFILE - A group of people take in the views of the Mendenhall Glacier on June 8, 2023, in Juneau, Alaska. A new study says the melting of Alaskas Juneau icefield, home to more than 1,000 glaciers, is accelerating.
“In fact, glacier shrinkage in Alaska from the year 2000 to the year 2020, we're losing more ice in Alaska than anywhere else,” Davies said. An icefield is a collection of glaciers, while an ice sheet is something continent-wide and only two of those remain, in Greenland and Antarctica. The most famous glacier in the Juneau icefield is the“When you go there the changes from year-to-year are so dramatic that it just hits you over the head,” Pelto said.
It's also now like a staircase of bare rocks there, Pelto said. White snow and ice reflect the sun's heat, the dark rocks absorb it, making the ground warmer, melting more snow in a feedback effect that amplifies and accelerates the warming-triggered melt, the study said. “The tipping point is when that snow line goes above your entire icefield, ice sheet, ice glacier, whichever one," Pelto said."And so for the Juneau icefield, 2019, 2018, showed that you are not that far away from that tipping point.”
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