Permafrost Monitoring
In FY2011, the I&M Arctic Network used IKONOS imagery from 2006-2008 to map slumps and small landslides caused by thaw of permafrost in the Noatak National Preserve (2.6 million ha). Over 1,000 features were located. The results of this analysis were compared to the 1977 color-infrared Alaska High-Altitude Photography (AHAP of the same area to assess volume of change in the landscape due to thawing permafrost.