It's about size of the entire United States.
But according to the latest study, its eastern counterpart may become a big contributing factor as well.The team focused on a specific part of the East Antarctic ice sheet known as the Aurora Subglacial Basin in the Indian ocean, which, until now, scientists believed to be protected by a layer of cold water known as dense shelf water.
So when the team discovered there was "unequivocal" warming in the ocean surrounding the East Antarctic ice sheet at a rate of up to 5.4 degrees Fahrenheit since 1930, alarm bells went off. That’s a change of up to 0.7 degrees Fahrenheit per decade on average, a rate which, since the 1990s, has been as high as 1.62 degrees.Those rates are being driven by a strong belt of westerly winds known as the Southern Annular Mode. Thanks to an increase of greenhouse gases that contribute to climate change, the winds are moving further south towards Antarctica, bringing warmer waters with them.
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