Retreat of Alaska’s Columbia Glacier - related image preview

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Retreat of Alaska’s Columbia Glacier - related image preview

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Retreat of Alaska’s Columbia Glacier - related image preview

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Retreat of Alaska’s Columbia Glacier

Since 1980, the volume of a glacier that spills into the Prince William Sound has shrunk by half.


NASA images by Jesse Allen and Robert Simmon, using Landsat 5 data from the USGS Global Visualization Viewer. Caption by Adam Voiland, with information from Shad O'Neel and Robert McNabb.

Published May 17, 2012
Data acquired July 28, 1986 - May 30, 2011

Source:
Landsat 5 > TM