As Record Arctic Heat Continues, Canada’s Last Intact Ice Shelf Collapses

"Canada’s last fully intact ice shelf in the Arctic has collapsed, shrinking by about 80 square kilometers, or 40 percent of its area, over just two days at the end of July, according to scientists at the Canadian Ice Service. The breakup of the ice was driven by record-setting temperatures in the region, which have measured 5 degrees Celsius (9 degrees Fahrenheit) above the 30-year average this summer.


“Entire cities are that size. These are big pieces of ice,” Luke Copland, a glaciologist at the University of Ottawa who was part of the research team studying the Milne Ice Shelf, located on Ellesmere Island in the Canadian territory of Nunavut, told Reuters. “This was the largest remaining intact ice shelf, and it’s disintegrated, basically.”


A research camp was lost in the collapse of the ice shelf. So was the northern hemisphere’s last known epishelf lake, a freshwater lake damned by ice that floats atop salty ocean water. In addition, two of Canada’s ice caps, located on the Hazen Plateau in St. Patrick Bay, disappeared completely this summer, two years earlier than scientists predicted, according to the National Snow & Ice Data Center (NSIDC) in Boulder, Colorado."

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