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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 ...
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.
Drift ice, also called brash ice, is sea ice that is not attached to the shoreline or any other fixed object (shoals, grounded icebergs, etc.). [ 1 ] [ 2 ] [ 3 ] Unlike fast ice , which is "fastened" to a fixed object, drift ice is carried along by winds and sea currents , hence its name.
It would be seabed if the ice sheet were not there. 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]
An iceberg is a piece of fresh water ice more than 15 meters (16 yards) long [1] that has broken off a glacier or an ice shelf and is floating freely in open water. [ 2 ] [ 3 ] Smaller chunks of floating glacially derived ice are called "growlers" or "bergy bits".
The first Elf on the Shelf was sold in 2005, but its story begins decades earlier with a mother named Carol Aebersold. In 1974, she introduced her three children to a toy elf named Fisbee, a gift ...
The depression usually totals a third of the ice sheet or glacier's thickness. After the ice sheet or glacier melts, the mantle begins to flow back to its original position, pushing the crust back up. This post-glacial rebound, which proceeds very slowly after the melting of the ice sheet or glacier, is currently occurring in measurable amounts ...
Elf on the Shelf today . In what is likely one of the most successful self-publishing stories of all time, more than 17.5 million Scout Elves have been adopted around the world since their debut.