NASA photo reveals a startling 300-foot-wide rift in Antarctic Ice Shelf


The breakup of the massive Larsen C Ice Shelf in Antarctica is getting closer and will eventually produce an iceberg the size of Delaware prowling the Southern Ocean, according to new NASA data. 

On Friday, NASA released an astonishing new image taken by researchers flying above the ice shelf on Nov. 10 showing the crack is getting longer, deeper and wider. Scientists think it will eventually cause a large section of the shelf to break off.

The scientists associated with a NASA field campaign known as Operation IceBridge measured the Larsen C fracture to be about 70 miles long, more than 300 feet wide and about a third of a mile deep.  Read more…

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Large parts of West Antarctic Ice Sheet could collapse ‘in our lifetimes’


Scientists say they discovered the “troubling” reason why a massive iceberg splintered off one of West Antarctica’s largest glaciers last year, and why this may not bode well for the future of the world’s coastal megacities.

Warm ocean waters appear to have melted Pine Island Glacier from underneath, causing a deep subsurface crack that split the ice from the inside out, Ohio State University researchers found.

The 20-mile-long rift eventually broke through the surface and cleaved off a 225-square-mile iceberg in July 2015, according to their study, published Monday in the journal Geophysical Research Letters. Read more…

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