Monday, 28 September 2015

January to August was damned hot... except for a blob in the North Atlantic

Land and ocean temperature percentiles from January to August 2015. Illustration: National Oceanic and Atmospheric Administration's National Centres for Environmental Information
Writing in the Washington Post, and reproduced in the Sydney Morning Herald, Chris Mooney (Author of the Republican War on Science among other books) reports:
While there may not yet be any scientific consensus on the matter, at least some scientists suspect that the cooling seen in these maps is no fluke but, rather, part of a process that has long been feared by climate researchers - the slowing of Atlantic Ocean circulation.

In March, several top climate scientists, including Stefan Rahmstorf of the Potsdam Institute for Climate Impact Research and Michael Mann of Penn State, published a paper in Nature Climate Change suggesting that the gigantic ocean current known as the Atlantic Meridional Overturning Circulation, or AMOC, is weakening. It is sometimes confused with the "Gulf Stream" but, in fact, that is just a southern branch of it.
Go and read.

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