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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 West Antarctic Ice Sheet holds enough water to raise sea levels by about 5 meters – more than 16 feet — which would cause devastating flooding in coastal towns and cities around the world.
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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The West Antarctic ice sheet is likely to completely melt [17] [18] [19] unless temperatures are reduced by 2 °C (3.6 °F) below 2020 levels. [20] The loss of this ice sheet would take between 2,000 and 13,000 years, [21] [22] although several centuries of high greenhouse emissions could shorten this time to 500 years. [23]
Radioglaciology is the study of glaciers, ice sheets, ice caps and icy moons using ice penetrating radar.It employs a geophysical method similar to ground-penetrating radar and typically operates at frequencies in the MF, HF, VHF and UHF portions of the radio spectrum.
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