McIntyre rebuts Schmidt’s Rant on Yamal

By Steve McIntyre Two days ago, NASA blogger Gavin Schmidt posted an extended rant against me at Real Climate, a rant directed in part at my recent poston Yamal. I’ve now looked through his post carefully and, beneath Schmidt’s fulminations, did not find any rebuttal to any points actually made in my post, as I’ll…

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Mann: Trees aren't behaving like I want them to – volcanoes to blame

From Penn State Tree rings may underestimate climate response to volcanic eruptions Some climate cooling caused by past volcanic eruptions may not be evident in tree-ring reconstructions of temperature change because large enough temperature drops lead to greatly shortened or even absent growing seasons, according to climate researchers, who compared tree-ring temperature reconstructions with model…

Paging Mike Mann – your dendrochronologist will see you now

Tom Nelson has another Climategate 2 email well worth reading Dendrochronologists get spanked by guy with expertise in tree physiology and wood anatomy ClimateGate Email 1738 “However, there are bounds to dendrochronology, as there are to every field of investigation, and the discipline has spilled over way outside of those bounds, to the point of…

In China, there are no hockey sticks

Reposted from Jo Nova’s site Chinese 2485 year tree ring study shows shows sun or ocean controls climate, temps will cool til 2068 A blockbuster Chinese study of Tibetan Tree rings by Lui et al 2011 shows, with detail, that the modern era is a dog-standard normal climate when compared to the last 2500 years.…

Internal dissent: "Personally, I think that the tree ring records should be able to reproduce the instrumental record"

Severinghaus and “Hide the Decline” By Steve McIntyre One of the very first contributions to realclimate was an FAQ from Jeff Severighaus on Dec 3, 2004. A year earlier, Severinghaus attempted (unsuccessfully) to get an explanation of the “divergence” problem from Mann and the rest of the Team. Severinghaus had become interested in the question following…