653788 external_news 1639690932 1639690932 This story rides along with scientists in the North Atlantic searching for clues about one of the most important forces in the planet’s climate system: a network of ocean currents known as the Atlantic Meridional Overturning Circulation (AMOC). Critically, they want to better understand how global warming is changing it, and how much more it could shift in the coming decades—even whether it could collapse. Susan Lozier, Professor, Dean, and Betsy Middleton and John Clark Sutherland Chair in the College of Sciences, leads an international effort known as OSNAP, which began in 2014. The hope of the international research effort was to go to the sources of the deep-­water sinking, which is largely responsible for propelling the currents in the Atlantic, to “try to get a much better understanding of the mechanisms driving change in the AMOC,” Lozier says.

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