Mann or Myth: Part 1

Our first installment in the debunking of Michael Mann’s new book.

In its review of Michael Mann’s new book “The Hockey Stick and the Climate Wars,” Skeptical Science writes:

… I also didn’t realize he’d coined the term “Atlantic Multidecadal Oscillation” (AMO) off the cuff in an interview (that’s the kind of trivia that a science geek like me delights in). Ironically the AMO and natural oscillations are often invoked by contrarians to cast doubt on the human influence on global warming…

Just to be clear, the AMO was actually identified (as opposed to merely named) in the 1994 Nature paper: Schlesinger, M.E. and Navin Ramankutty (1994): An oscillation in the global climate system of period 65-70 years. Nature, 367, Issue 6465, pp. 723-726, DOI: 10.1038/367723a0.

The Nature paper referred to the AMO as:

50-88-year oscillations for the North Atlantic Oceans…”

So Mann is credited with changing “50-88-year” into “multidecadal”, dropping a few words and moving “Atlantic” up front. Great work, Mike.

Maybe you ought to get another Nobel Prize?

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