First-year ice

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

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Term: First-year ice
Definition: Sea ice of not more that one winter's growth, developing from young ice; thickness 1 to 7 ft (30 cm-2 in). May be subdivided into thin first-year ice (white ice), medium first-year ice, and thick first-year ice.
GCW WMOSeaIce
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary
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