Methane releases in arctic seas could wreak devastation | Science News

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Methane releases in arctic seas could wreak devastation

Potential impacts include dead zones, acidification, shifts at the base of the ocean's food chain

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11:14am, July 5, 2010

Massive releases of methane from arctic seafloors could create oxygen-poor dead zones, acidify the seas and disrupt ecosystems in broad parts of the northern oceans, new preliminary analyses suggest.

Such a cascade of geochemical and ecological ills could result if global warming triggers a widespread release of methane from deep below the Arctic seas, scientists propose in the June 28 Geophysical Research Letters.

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