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[[File:Icesheet-Map.jpg|300px|left]]
[[File:Young Island-Balleny Islands.jpg|250px|left]]
The '''[[West Antarctic Ice Sheet]]''' (WAIS) is the segment of the continental [[ice sheet]] that covers [[Westarctica]] and the portion of [[Antarctica]] on the side of the [[Transantarctic Mountains]] which lies in the Western Hemisphere. The WAIS is classified as a marine-based ice sheet, meaning that its bed lies well below sea level and its edges flow into floating [[ice-shelf|ice shelves]]. The WAIS is bounded by the [[Ross Ice Shelf]], the [[Ronne Ice Shelf]], and outlet [[glacier]]s that drain into the [[Amundsen Sea]].
'''[[Young Island]]''' is the northernmost and westernmost of the three main islands in the uninhabited [[Balleny Islands]] group located in the [[Southern Ocean]]. It lies 8 kilometers (5.0 mi) northwest of [[Buckle Island]], some 115 kilometers (71 mi) north-northeast of Belousov Point on the [[Antarctica|Antarctic]] mainland.


It is estimated that the volume of the [[Antarctic ice sheet]] is about 25.4 million km3 (6.1 million cu mi), and the WAIS contains just under 10% of this, or 2.2 million km3 (530,000 cu mi). The weight of the ice has caused the underlying rock to sink by between 0.5 and 1 kilometer (0.31 and 0.62 miles) in a process known as isostatic depression.
Young Island was annexed by [[Westarctica]] on 14 January 2005 when it annexed the entire [[Balleny Islands]] group. The island has been featured on two of Westarctica's [[Coins of Westarctica|coins]]: the first was a bronze $1 WAD coin minted in 2005 by the [[Central Bank of Westarctica]] and shows Young Island on a map of the Balleny Islands. The second coin was a brass $2 WAD coin minted in 2013 and was the last coin created by the Central Bank. That coin has an image of an [[Antarctic krill]] instead of the island itself.


When [[ice]] reaches the coast, it either calves or continues to flow outward onto the water. The result is a large, floating ice shelf affixed to the continent.
'''([[Young Island|Full Article...]])'''
 
'''([[West Antarctic Ice Sheet|Full Article...]])'''

Latest revision as of 17:40, 29 November 2025

Young Island-Balleny Islands.jpg

Young Island is the northernmost and westernmost of the three main islands in the uninhabited Balleny Islands group located in the Southern Ocean. It lies 8 kilometers (5.0 mi) northwest of Buckle Island, some 115 kilometers (71 mi) north-northeast of Belousov Point on the Antarctic mainland.

Young Island was annexed by Westarctica on 14 January 2005 when it annexed the entire Balleny Islands group. The island has been featured on two of Westarctica's coins: the first was a bronze $1 WAD coin minted in 2005 by the Central Bank of Westarctica and shows Young Island on a map of the Balleny Islands. The second coin was a brass $2 WAD coin minted in 2013 and was the last coin created by the Central Bank. That coin has an image of an Antarctic krill instead of the island itself.

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