The Tibetan Plateau hosts the world’s largest permafrost region in the middle and low latitudes. Compared to the high-latitude Arctic permafrost, the permafrost here is thinner, warmer, and more ...
Permafrost is frozen ground — which can include sand, soil, or rocks— that stays frozen for at least two years straight. It can be on land, but it can also be found under the ocean. Some permafrost ...