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Study: Arctic seafloor methane releases double previous estimates http://apocadocs.com/s.pl?1385428256
The seafloor off the coast of Northern Siberia is releasing more than twice the amount of methane as previously estimated, according to new research results published in the Nov. 24 edition of the journal Nature Geoscience.
The East Siberian Arctic Shelf is venting at least 17 teragrams of the methane into the atmosphere each year. A teragram is equal to 1 million tons.
"It is now on par with the methane being released from the arctic tundra, which is considered to be one of the major sources of methane in the Northern Hemisphere," said Natalia Shakhova, one of the paper's lead authors and a scientist at the University of Alaska Fairbanks. "Increased methane releases in this area are a possible new climate-change-driven factor that will strengthen over time."...
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[Read more stories about:
faster than expected, arctic meltdown, methane release, ocean warming, death spiral]
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