But he acknowledged that the size, complexity and remoteness of the continent’s massive ice sheet made accurate calculations of ice loss extremely challenging — far more so than in Greenland, where the ice sheet is much smaller and existing observational data is far more detailed.
The increasing ice loss means that, for the first time, Greenland and Antarctica appear to be adding more to sea-level rise than the world’s other reserves of ice — primarily mountain glaciers, which are also melting because of rising temperatures.
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Polar Ice Loss Is Accelerating, Scientists Say – New York Times (blog)