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Permafrost is a widespread and important phenomenon in the subsurface of high alpine areas. Permafrost is defined as ground material that remains at temperatures at or below 0 °C for more than one year. Mountain permafrost is simply permafrost that occurrs in high mountain areas.

The occurrence of mountain permafrost is a consequence of climatic conditions, in particular air temperature, and ground characteristics. Mountain permafrost is mainly relevant for high-mountain infrastructure, the stability of steep mountain slopes, its use as a climate archive, and the evolution of the alpine landscape. The figure below shows a schematic plot of the most important terms:

Selected Articles about Mountain Permafrost