Firn line

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

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Term: Firn line
Definition: The boundary of the area of snow on a glacier surviving one year's ablation, thus becoming firn. In the absence of superimposed ice, this limit is equivalent to the equilibrium line. See climate snow line.
GCW AMSglossary
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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