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From UW Today: Oceans Releasing Frozen Methane

Published
October 14, 2015
Author
Ariel Conn

Bubble plumes off Washington, Oregon suggest warmer ocean may be releasing frozen methane

"Warming ocean temperatures a third of a mile below the surface, in a dark ocean in areas with little marine life, might attract scant attention. But this is precisely the depth where frozen pockets of methane ‘ice’ transition from a dormant solid to a powerful greenhouse gas.

New University of Washington research suggests that subsurface warming could be causing more methane gas to bubble up off the Washington and Oregon coast.

The study, to appear in the journal Geochemistry, Geophysics, Geosystems, a journal of the American Geophysical Union, shows that of 168 bubble plumes observed within the past decade a disproportionate number were seen at a critical depth for the stability of methane hydrates."

Read the full article here.

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