ice barrier

American  

noun

1. the outer margin of the Antarctic ice sheet, which extends beyond the coastline.

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Example Sentences

"Indigenous peoples were there earlier than thought, before the great ice barrier at the height of the last glacial maximum closed the way south from Alaska. By what route and how they got there is yet to be determined. White Sands is just one point on the map for now," Bennett said.

From Reuters

"I was very worried when I started to notice that the ice barrier was getting weaker and witnessing such an astronomical change in the climate," he explains.

From BBC

“Nathan,” Wind Being said, “this ice barrier was created by Mother Water Monster to prevent passage between the worlds. You’ll have to sing for us to pass.”

From Literature

Until now, scientists believed humans only travelled south into the Americas when this ice barrier began to melt — at the earliest, 16,500 years ago.

From Salon

It was an eye-catching experience starting with an opening flyover of an ice barrier as the camera then dives into the Barents Sea, part of the Arctic Ocean.

From Washington Times