PAGES2K (2017): Antarctic Proxies

Reposted from Climate Audit by Steve McIntyre A common opinion (e,g, Scott Adams) is that the “other proxies”, not just Mann’s stripbark bristlecone tree rings, establish Hockey Stick. In today’s post, I’ll look at PAGES2K Antarctic data – a very important example since Antarctic isotope data (Vostok) is used in the classic diagram used by…

So What Happened to the Science?

John Ridgway, “There is something fascinating about science. One gets such wholesale returns of conjecture out of such a trifling investment of fact.” Mark Twain, Life on the Mississippi It is tempting to speculate what a resurrected Mark Twain would think of the current controversy surrounding the global warming debate. Some of the warnings being…

The Pages2K Goat-Rope

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,…