Firn

Alternative definitions (13), class: vernacular (0)
Term: Firn
Definition: Sea ice terminology that describes old snow which has re-crystallized into a dense material. Unlike ordinary snow, particles are (to some extent) joined together; but, unlike ice, the air spaces in it still connect with each other.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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