December 5, 2023



Bubbles of methane rising from seafloor in Puget Sound

SOTT – Sign Of The Times

By Hannah Hickey
University of Washington
Wed, 19 Jan 2022 18:55 UTC

The release of methane, a powerful greenhouse gas responsible for almost a quarter of global warming, is being studied around the world, from Arctic wetlands to livestock feedlots. A University of Washington team has discovered a source much closer to home: 349 plumes of methane gas bubbling up from the seafloor in Puget Sound, which holds more water than any other U.S. estuary.

The columns of bubbles are especially pronounced off Alki Point in West Seattle and near the ferry terminal in Kingston, Washington, according to a study in the January issue of Geochemistry, Geophysics, Geosystems.

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