121129_pig-calving.photoblog600

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121129_pig-calving.photoblog600

This 20-mile-long rift on Antarctica’s Pine Island Glacier, seen from a satellite on Oct. 26, will eventually calve off, possibly in the next few months, creating an iceberg the size of New York City. While that won’t raise sea levels since the glacial tongue sits on water, the loss could speed up the flow of ice from Antarctica’s mainland into the sea: NASA Earth Observatory

© 2014, Glynn Wilson. All rights reserved.

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