Digital Library Search
![A thermokarst caused by melting of permafrost line5207.jpg A thermokarst caused by melting of permafrost](/sites/default/files/styles/max_1300x1300/https/s3.amazonaws.com/s3-east-testmedia-noaa.woc.noaa.gov/dam/Photos/legacy/pl23_line5207.jpg?itok=KaHBI6PL)
Description
A thermokarst caused by melting of permafrost. This is becoming anincreasingly serious problem in the Alaskan Arctic. The hole is at least 8 feetdeep. (Image credit: Dr. John Cloud)
Photographer
Dr. John Cloud
Display Date
2010 August
Location
Alaska, St. Michael
Collection
America's Coastlines
NOAA Affiliation
NOAA Central Library