Global Warming Could Cool N. America

Meltwater flows across the Greenland ice sheet in an undated picture.A sudden influx of Greenland meltwater into the North Atlantic Ocean could chill down North America within just a few decades, a September 2009 study of ancient Canadian moss suggests.Photograph by James Balog

Global warming could actually chill down North America within just a few decades, according to a new study that says a sudden cooling event gripped the region about 8,300 years ago.Analysis of ancient moss from Newfoundland, Canada, links an injection of freshwater from a burst glacial lake to a rapid drop in air temperatures by a few degrees Celsius along North America’s East Coast.

The results suggest that North America’s climate is highly sensitive to meltwater flowing into the ocean, said lead study author Tim Daley of Swansea University in the U.K.

The work also means that history could repeat itself: Currently Greenland’s ice sheet is melting at a rapid clip, releasing freshwater into the North Atlantic.

source

About Rashid Faridi

I am Rashid Aziz Faridi ,Writer, Teacher and a Voracious Reader.
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