Recent degradation of Interior Alaska permafrost mapped with ground surveys, geophysics, deep drilling, and repeat airborne LiDAR

• Main Authors: Douglas, Thomas A., Hiemstra, Christopher A., Anderson, John E., Barbato, Robyn A., Bjella, Kevin L., Deeb, Elias J., Gelvin, Arthur B., Nelsen, Patricia E., Newman, Stephen D., Saari, Stephanie P., Wagner, Anna M.
• Format: Text
• Language: English
• Published: 2021
• Subjects: Arctic; Fairbanks; Talik; Ice; permafrost; Subarctic; Thermokarst; Tundra; Alaska
• Online Access: https://doi.org/10.5194/tc-2021-47; https://tc.copernicus.org/preprints/tc-2021-47/

Permafrost underlies one quarter of the northern hemisphere but is at increasing risk of thaw from climate warming. Recent studies across the Arctic have identified areas of rapid permafrost degradation from both top-down and lateral thaw. Of particular concern is thawing of ice rich high carbon con...