Old ice

Alternative definitions (5), class: vernacular (0)

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Term: Old ice
Definition: Sea ice which has survived at least one summer's melt; typical thickness up to 3m or more. It is subdivided into residual first-year ice, second-year ice and multi-year ice.
GCW Bushuyev
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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