Old ice

Alternative definitions (5), class: vernacular (0)
Term: Old ice
Definition: Sea ice terminology describing sea ice which has survived at least one summer's melt. The surface of old ice is generally smoother than first-year ice. Old ice may be subdivided into second-year ice and multi-year ice.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary