Thursday, 7 February 2019

Cavity two-thirds the size of Manhattan discovered under Antarctic glacier

Cavity two-thirds the size of Manhattan discovered under Antarctic glacier

Scientists have discovered a giant cavity at the bottom of a disintegrating glacier in Antarctica, sparking concerns that the ice sheet is melting more rapidly than expected. Researchers working as part of a Nasa-led study found the cavern, which they said was 300 metres tall and two-thirds the size of Manhattan, at the bottom of the massive Thwaites glacier. The space is big enough to have contained 14bn tonnes of ice and most of that ice has melted during the past three years.

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