You may be thinking of the Ross Ice Shelf, and the Larson Ice Shelves.
Other major ice shelves are named Ekstrom, Amery, West, Shackleton and Voyeykov.
The Ross Ice Shelf and the Ronnie Ice Shelf are the two biggest ice shelves in Antarctica.
Several of the ice shelves attached to Antarctica are disintegrating because the sea water is melting them from below.
Melting of Antarctica's ice shelves occurs underwater, based on warming ocean water. which melts the shelves from underneath. This phenomenon occurs all year and is not limited to summer.
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Icebergs (drifting ice) in Antarctica have broken off from the glaciers and ice shelves that stretch out over the sea at the continent's coastline.
lot's most of them brock down
Your question is really about ice shelves, not the Antarctic ice sheet. The ice shelves are deteriorating because of warmer ocean waters that melt the ice shelf from below.
an ice shelf is a shelf of ice, which is floating on the water. There are several large ice shelves around Antarctica.
You may be thinking of the Ross Ice Shelf or the Larson Ice Shelf.
The Ross Ice Shelf -- as large as France, is one, and another is the Ronne Larsen Ice Shelf.
Ice shelves in Antarctica form barriers to continental land, but are so large as to be effectively connected to the continent permanently. Ice shelves can be extremely tall -- hundreds of feet -- above the water line and so deep -- hundreds of metres -- as to make the water under them impenetrable by current technologies.
You may be thinking of the Ross Ice Shelf and the Larson Ice Shelves.