Changes In Winds Could Have Been Cause Of Abrupt Glacial Climatic Change

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During the last glacial period, small variations in the surface winds could have induced significant changes in the oceanic currents of the North Atlantic, and could even have played a role in the abrupt climate change that occurred at the time.

More... (http://www.sciencedaily.com/releases/2008/07/080718215412.htm)