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The retreat of Alaska’s Columbia glacier over the past 47 years, it can be seen in a new series of incredible images.
As the Science News articles, NASA, and the U.S. Geological Survey have been recording images of the Earth since 1972, and is a record of the images, which allows researchers to examine the progression of the ice at the time.
This progress includes the flow and retreat of the glaciers and big chunks of ice to calve off, and more at the University of Alaska glaciologist Mark Fahestock told the outlet.
THE ICE ON GREENLAND MELT ‘SPEEDING UP’ A NEW STUDY HAS SHOWN
In this false-color image of Alaska’s Columbia glacier has been taken in July 2014.
(NASA Earth Observatory images by Him, the Dauphin, with the aid of Landsat data from the U. s. Geological Survey
Fahestock and his colleagues chose to use Landsat images for a number of glaciers, including Columbia glacier, and made into a short film.
The resulting video, you can see that the glacier has retreated over 20 km since about the early 1980’s.
THE WORLD’S BIGGEST MOUNTAIN GLACIER IS MELTING, A NEW NASA IMAGES SHOW
The work was presented at the American Geophysical Union’s annual meeting to be held on Tuesday.
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