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Shelf ice is a floating mat of ice, but unlike a pond or a small lake that freezes over, the shelf is not a uniform sheet of ice. Created by the wind and waves, the shelf ice is a jumble of ice chunks, pushed onto each other. It is as if you took a pile of rubble and pushed up against a wall.
Some named Antarctic iceshelves. Ice shelf extending approximately 6 miles into the Antarctic Sound from Joinville Island. An ice shelf is "a floating slab of ice originating from land of considerable thickness extending from the coast (usually of great horizontal extent with a very gently sloping surface), resulting from the flow of ice sheets, initially formed by the accumulation of snow ...
The Ross Ice Shelf is the main outlet for several major glaciers draining the West Antarctic Ice Sheet, which contains the equivalent of 5 m of sea level rise in its above-sea-level ice." The report added that observations of "iceberg calving" on the Ross Ice Shelf are, in their opinion, unrelated to its stability. [10]
This is a list of Antarctic ice shelves. An image of Antarctica differentiating its landmass (dark grey) from its ice shelves (minimum extent, light grey, and maximum extent, white) Edge of Ekstrom Ice Shelf
The Larsen A ice shelf disintegrated in January 1995. It was an ice shelf near the Prince Gustav Ice Shelf, extending from Cape Longing to Robertson Island, and merged with Larsen B at Seal Nunataks. It was relatively stable and around 4000 km^2 from 1961, until around the 1980s, when large calving resulted in eventual collapse. [3]
) was the ice shelf occupying the Jones Channel, between the Arrowsmith Peninsula and hewawhBlaiklock Island, on the west coast of Graham Land, Antarctica. It was named by the UK Antarctic Place-Names Committee in 1981 in association with the channel.
Anchor ice is thought to be relatively common in the Antarctic, due to large ice shelves that occupy many areas of the continental coast. Studies and observations of anchor ice formation in McMurdo Sound , Antarctica have shown that the phenomenon regularly causes the formation of ice on the seafloor to depths of approximately 15m, and rarely ...
The WAIS is classified as a marine-based ice sheet, meaning that its bed lies below sea level and its edges flow into floating ice shelves. [7] [14] The WAIS is bounded by the Ross Ice Shelf, the Filchner-Ronne Ice Shelf, and outlet glaciers that drain into the Amundsen Sea. [15]