Strange Atlantic cold spot traced to ocean slowdown

Photo: Permanence and Impermanence. Photo credit: Frank Busch via Flickr. Public Domain. Article by Jules Bernstein. UC Riverside News – June 20, 2025. Research article: Communications Earth & Environment.

For more than a century, a patch of cold water south of Greenland has resisted the Atlantic Ocean’s overall warming, fueling debate amongst scientists. A new study identifies the cause as the long-term weakening of a major ocean circulation system. Researchers from the University of California, Riverside show that only one explanation fits both observed ocean temperatures and salinity patterns: the Atlantic Meridional Overturning Circulation, or AMOC, is slowing down. […]

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