Permafrost

Alternative definitions (9), class: vernacular (0)

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Term: Permafrost
Definition: A layer of soil at varying depths below the surface in which the temperature has remained below freezing continuously from a few to several thousands of years.
GCW NOAA-NWS
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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