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Jaemtland, an Esper Site
Jaemtland is one of the sites used in Esper et al [2002]. Here is some benchmark information on this site to help see its role, if any, in contributing to any hockey-stick-ness in Esper. As noted...
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The Proxies of Osborn and Briffa [2006]
David Stockwell was intrigued by the seeming “robustness” of O&B results. There’s a reason for it: pretty much every one of the stereotyped Hockey Team proxies that are common to multiple studies...
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Benchmarking from VZ Pseudoproxies
Von Storch et al 2004 advocated using climate models to generate pseudoproxies to test the properties of proposed multivariate methods. Hardly unreasonable. I might argue that these are long-winded...
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Tree Ring Standardization – A Linear Mixed Effects Perspective
I’ve already received my first condescending comments from the dendro world about the mysteries of standardization. Just to pre-empt some further pontification presuming that I know nothing about these...
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Hansen’s “Reference Method” in a Statistical Context
I’ve discussed “mixed effects” methods from time to time in paleoclimate contexts, observing that this statistical method known off the Island can provide a context for some paleoclimate recipes, e.g....
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World Dendro 2010 Withdraws Invitation
On December 8, 2009, I received one of my rare invitations to make a presentation to climate scientists – a keynote speech at the plenary session on June 16, 2010 of World Dendro 2010. At the time they...
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A Mixed Effects Perspective on MMH10
Today’s post is complementary to MMH10, which, as readers obviously realize, is in Ross’ excellent style. There has been a kneejerk reaction from climate scientists that the article is “wrong” –...
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A Return to Polar Urals: Wilson et al 2016
Wilson et al 2016, like D’Arrigo et al 2006, includes a ‘Polar Urals’ chronology as one of its components. Tree ring chronologies from Polar Urals and Yamal have long been a contentious issue at...
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