Permafrost Thaw Slumps

Drone Survey of a Permafrost Mega Slump, Willow River, NWT

Drone survey of a permafrost mega slump near the Willow River in the Richardson Mountains, Northwest Territories, Canada. The slump is 980 m long and the widest section is 630 m. The total area is approximately 221, 600 square metres. The drone survey was taken on September 20, 2018.


Steve Kokelj
Permafrost Scientist
Northwest Territories Geological Survey

Jurjen van der Sluijs
Unmanned Aircraft System Coordinator
NWT Centre for Geomatics