16 Apr '18, 6pm

Another high quality article on the ocean currents.

Actual measurements of the AMOC across the ocean only date back to 2004; to get a longer-term picture, researchers have to rely on other measurements to infer ocean current. Last year, Stefan Rahmstorf, of the Potsdam Institute for Climate Impact Research in Germany, grabbed media headlines with a paper looking at sea surface temperature as a proxy for current. That study argued that the Atlantic current has slowed more since 1975 than at any point in the last thousand years, creating an obvious chilly blob over the North Atlantic — one of the only spots on the planet that’s actually cooling. The slowdown started in about the 1930s, Rahmstorf says, strongly suggesting that mankind is to blame. Others aren’t yet convinced. “The jury is still out,” says Lozier, who notes that sea surface temperature is a messy proxy for current. “Weakening is a possibility, but it hasn’t bee...

Full article: https://e360.yale.edu/features/will_climate_change_jam_th...

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