The Pages2K Goat-Rope

Watts Up With That?


Guest Post by Willis Eschenbach

Over at Climate Audit, Steve McIntyre is doing his usual superb job deconstructing bad science. In this case he is discussing the recent publication of the long-delayed “Pages2K” two-thousand-year multi-proxy study of ocean temperatures. The paper is called, “Robust global ocean cooling trend for the pre-industrial Common Era,” Helen McGregor, Michael Evans, et al., and it was published August 17, 2015 in the journal Nature Geoscience.

Steve has provided the R code for reconstructing their bizarre method of binning the data in 200-year bins, and then converting the values from degrees C to standard deviations. After going through all of that strange process to get their results, the second author opined in their press release:

Today, the Earth is warming about 20 times faster than it cooled during the past 1,800 years,” said Michael Evans, second author of the study and an associate…

View original post 1,140 more words

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