15 Feb '15, 1am

Just how much is Greenland meltwater contributing to global sea level rise?

Just how much is Greenland meltwater contributing to global sea level rise?

Rivers of glacial meltwater flowing over Greenland's frozen surface may be contributing as much to global sea level rise as all other processes that drain water from the melting ice sheet combined, according to researchers at the University of California, Los Angeles, and NASA. The new finding is published today in the journal Proceedings of the National Academy of Sciences. The research is dedicated to the memory of coauthor Alberto Behar of NASA's Jet Propulsion Laboratory, Pasadena, California, who died in a small-plane crash in Los Angeles on Jan. 9. Eighty percent of Greenland, which is about the size of the United States west of the Rocky Mountains, is covered by ice, which has the potential to make a significant contribution to sea level rise as it melts. Because Greenland's ice sheet is vast and difficult to study from ground level, scientists are still learning ab...

Full article: http://climate.nasa.gov/news/2211/

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