Maps of the Arctic Region

The maps can be freely used provided the sources are credited.


Continous, Discontinous and Sporadic permafrost and July 10 C Isotherm with Sea Ice Extent.

Permafrost

Permafrost is soil or underwater sediment which continuously remains below zero celisus for at least two years; the oldest permafrost has been continuously frozen for around 700,000 years.

Permafrost Lue lisää (Kuvallisen nosto)