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NOAA Photo Library Image - line5207

A thermokarst caused by melting of permafrost. This is becoming an increasingly serious problem in the Alaskan Arctic. The hole is at least 8 feet deep.

Image ID: line5207, NOAA's America's Coastlines Collection
Location: Alaska, St. Michael
Photo Date: 2010 August
Photographer: Dr. John Cloud, NOAA Central Library


High Resolution Photo Available





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Last Updated:
May 12, 2014