West Antarctic Ice Sheet’s Age Gains 20 Million Years

LiveScience: The West Antarctic Ice Sheet could have formed 20 million years earlier than previously thought, researchers propose, after updating a detail in global climate models, placing more confidence in those models' ability to predict future changes in global climate. The West Antarctic Ice Sheet accounts for only about 10 percent of the ice on the continent today. It sits below sea level and is subject to melting from warm air and seawater infiltration, more so than the larger East Antarctic Ice Sheet,......

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