pack ice

The pack ice again proved formidable, preventing the team from locating the Endurance in 2019.

The ship was built at a yard in Finland, but had to be moved to Scotland before winter over concerns it could be damaged by pack ice.

The ferry has been built at a shipyard in Finland but it has to be moved out before winter because it could be damaged by pack ice.

Endurance became stuck in pack ice within weeks of setting off from South Georgia.

Historically in winter, the gulf’s pack ice transforms into the southernmost whelping grounds for harp seals—an ice nursery for newborn pups.