Study reveals Missoula Floods impact on past abrupt climate changes

A new study shows for the first time how massive flood events in the eastern North Pacific Ocean—known as the Missoula Floods—may have in part triggered abrupt climate changes in the Northern Hemisphere during the last deglaciation (approximately 19,000–11,700 years ago). The findings are contrary to the long held notion that cooling was primarily driven by changes in North Atlantic circulation.

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