Articles | Volume 17, issue 1
https://doi.org/10.5194/os-17-285-2021
https://doi.org/10.5194/os-17-285-2021
Research article
 | 
15 Feb 2021
Research article |  | 15 Feb 2021

A 30-year reconstruction of the Atlantic meridional overturning circulation shows no decline

Emma L. Worthington, Ben I. Moat, David A. Smeed, Jennifer V. Mecking, Robert Marsh, and Gerard D. McCarthy

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Short summary
The RAPID array has observed the Atlantic meridional overturning circulation (AMOC) since 2004, but the AMOC was directly calculated only five times from 1957–2004. Here we create a statistical regression model from RAPID data, relating AMOC changes to density changes within the different water masses at 26°  N, and apply it to historical hydrographic data. The resulting 1981–2016 record shows that the AMOC from 2008–2012 was its weakest since the mid-1980s, but it shows no overall decline.