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A map of West Antarctica. The total volume of the entire Antarctic ice sheet is estimated at 26.92 million km 3 (6.46 million cu mi), [2] while the WAIS contains about 2.1 million km 3 (530,000 cu mi) in ice that is above the sea level, and ~1 million km 3 (240,000 cu mi) in ice that is below it. [20]
Because the East Antarctic ice sheet is over 10 times larger than the West Antarctic ice sheet and located at a higher elevation, it is less vulnerable to climate change than the WAIS. In the 20th century, EAIS had been one of the only places on Earth which displayed limited cooling instead of warming, even as the WAIS warmed by over 0.1 °C ...
The Advisory Committee on Antarctic Names approved the name in 1962. West Antarctica is mostly covered by a massive ice sheet referred to as the West Antarctic Ice Sheet. In recent decades, this ice sheet has shown signs of decreasing mass. [4] The geologic history of West Antarctica was summarized in a 2020 publication. [5]
The Antarctic ice sheet is melting in a new, worrying way that scientific models used to project future sea level rise have not taken into account, suggesting current projections could be ...
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If contact of ice to bottom rocks is lost seaward of the grounding line, the ice sheet becomes significantly thinner (some 100 m), forming a shelf ice. John H. Mercer (19 October 1922 – 3 July 1987) was a British glaciologist, chiefly known for his theoretical work on, and field studies of Antarctic ice streams , especially in the ...
The Greenland and Antarctic ice sheets are now losing more than three times as much ice a year as they were 30 years ago, according to a new comprehensive international study. Using 50 different ...
West Antarctica and Marie Byrd Land have elevations of up to 1.5 to 2 kilometers on the surface of the WAIS. In contrast, East Antarctica has interior elevations on its ice sheet of over 4 kilometers. [38] The West Antarctic Rift System (WARS [39]) that evolved over the last hundred million years, includes all or part of Marie Byrd Land. [40]
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