Relict active layer

Alternative definitions (3), class: vernacular (0)

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Term: Relict active layer
Definition: A layer of ground, now perennially frozen, lying immediately below the modern active layer; its thickness indicates the greater annual depth of thaw that occurred during a previous period.
GCW NSIDCCryosphere
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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