Alternate Definitions for Permanent ice zone

include archived terms
Term: Permanent ice zone
Definition: A region that is covered with sea ice year-round; most of the sea ice in the permanent ice zone is multiyear ice, but younger ice and open water may still be present; the permanent ice zone is what remains in summer after all melting has occurred (often called the summer minimum extent).
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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