Peering Under The Ice Of Collapsing Polar Coast

Starting this month, a giant NASA DC-8 aircraft loaded with geophysical instruments and scientists will buzz at low level over the coasts of West Antarctica, where ice sheets are collapsing at a pace far beyond what scientists expected a few years ago. The flights, dubbed Operation Ice Bridge, are an effort to image what is happening on, and under, the ice, in order to estimate future sea-level rises that might result.

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