NASA scientists reveal unsettling new melting source on Greenland

Photo caption: Chunks of ice breaking off Greenland’s Petermann Glacier. Photo credit: Jesse Allen / Robert Simmon // Data from NASA / GSFC / METI / ERSDAC / JAROS and U.S. / Japan ASTER Science Team. Article by Mark Kaufman. Mashable – May 16, 2023.

Pay attention to Greenland. The land’s colossal ice sheet — around three times the size of Texas — is melting some 270 billion tons of ice into the sea each year as Earth warms. And the inevitable sea level rise could be worse than scientists calculated: Researchers at NASA and the University of California, Irvine (UCI) found that warmer ocean water is seeping underneath and amplifying melting of Greenland’s mighty Petermann Glacier, which ends in a great ice tongue floating over the sea. The scientists recently published their research in the journal Proceedings of the National Academy of Sciences. […]

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