Jammed brash barrier

Alternative definitions (1), class: vernacular (0)
Term: Jammed brash barrier
Definition: Sea ice terminology. Describes a strip or narrow belt of new, young or brash ice usually 100 m to 5000 m across, formed at the edge of either floating or fast ice, or at the shore. Heavily compacted, mostly due to wind action, a jammed brash barrier may extend 2 m to 20 m below the surface.
Created 2022.03.08
Last Modified 2023.03.27
Contributed by GCW Glossary