Polynya

Alternative definitions (7), class: vernacular (0)

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Term: Polynya
Definition: Sea ice terminology. Describes any non-linear-shaped opening that is enclosed by ice. May contain brash ice and/or be covered with new ice, nilas or young ice. Submariners refer to polynya's as 'skylights.'
GCW ECCCanada
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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