Gallery - Permafrost and Frozen Ground

Posted by K.WANG on September 21, 2017

Permafrost and Frozen Ground Figures:

IPA map

Permafrost area: Variations of the permafrost area (solid line), its fraction (short dashed line) of the land surface at each latitude, and the accumulated fraction with latitude (long dashed line) in the Northern Hemisphere. Image by Tingjun Zhang, National Snow and Ice Data Center, University of Colorado, Boulder.

Last Permafrost Maximum (LPM) map of the Northern Hemisphere: Permafrost extent and mean annual air temperatures, 25-17ka BP

Russian Permafrost Map

China Permafrost Map

Alaska Permafrost Map

Canada Permafrost Map

Permafrost Index

Permafrost in future