Hubbard Glacier could permanently dam the entrance to Russell Fiord in as little as 10 years
From NOAA Earth Observatory: Since measurements began in 1895, Alaska’s Hubbard Glacier has been thickening and steadily advancing into Disenchantment Bay. The advance runs counter to so many thinning and retreating glaciers nearby in Alaska and around the world.
The image above, acquired by the Operational Land Imager (OLI) on Landsat 8, shows Hubbard Glacier on July 22, 2014. The image shows a close-up of the glacier’s terminus on that day. Yellow lines indicate the location of the terminus on August 1, 1978, and on July 13, 2002.
According to Leigh Stearns, a glaciologist at the University of Kansas, Hubbard’s advance is due to its large accumulation area; the glacier’s catchment basin extends far into the Saint Elias Mountains. Snow that falls in the basin either melts or flows down to the terminus…
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