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From 1992 to 1996, the two ice sheets – which hold 99% of the world’s freshwater ice – were shrinking by 116 billion tons (105 billion metric tons) a year, two-thirds of it from Antarctica.
The loss of West Antarctica ice would take at least 500 years and possibly as long as 13,000 years. [107] [108] Once the ice sheet is lost, the isostatic rebound of the land previously covered by the ice sheet would result in an additional 1 m (3 ft 3 in) of sea-level rise over the following 1,000 years. [109]
The loss of West Antarctica ice would take at least 500 years and possibly as long as 13,000 years. [21] [22] Once the ice sheet is lost, the isostatic rebound of the land previously covered by the ice sheet would result in an additional 1 m (3 ft 3 in) of sea-level rise over the following 1,000 years. [23]
Of the continent's 162 ice shelves, 68 show significant shrinking between 1997 and 2021, while 29 grew, 62 didn’t change and three lost mass but not in a way scientists can say shows a ...
Overall, the scientists said that the melt of Antarctica added water equivalent to 13.2 millimeters (0.5 inch) of sea level rise over the past four decades. "As the Antarctic ice sheet continues ...
However, since then there has been a sharp, threefold increase - between 2012 and 2017 Antarctica lost 219 billion tonnes of ice per year, a 0.6 mm per year sea level contribution. [3] Almost all of the ice lost from Antarctica has been triggered by warming oceans melting their outlet glaciers , which causes them to speed up. [ 3 ]
We used 11 different satellite missions to track Antarctica’s contribution to rising sea levels. Skip to main content. 24/7 Help. For premium support please call: 800-290-4726 more ...
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]