Tag Archives: taymir

Taimyr – Linear or Nonlinear?

While I’ve got Esper open, here’s some thoughts on the division of cores and sites between "linear" and "nonlinear" – where I’ve been seeking an operational definition for some time. Herr Esper told Science: The split into linear and non-linear ring width series is shown in a supplementary figure accompanying the Science paper. The methods […]

Taimyr in Esper and Osborn-Briffa

The chronologies for Taymir in Esper et al [2002] and Osborn and Briffa [2006] differ – not a whole lot but enough to be noticeable. Esper provided measurement data for Taymir, while Osborn and Briffa have refused. The letter from Science said: The other three series contain some non-identical tree-ring series derived from the same […]


Taimyr is one of the sites in Esper et al [2002]. It does not make a material contribution to any hockey stick-ness in Esper. The authors have some very interesting things to say about AGW which I’ll post up in a day or two. For now, I want to post up the following graph, which […]