Tag Archives: cook_2004

Divergence: the Young Dendros Rebel

Dec 15, 2007 – 4:15 PM

I’ll try to do reports on various interesting aspects of the AGU conference over the next few weeks. Today I’m going to post on the session on the Divergence Problem, initiated and chaired by Rob Wilson, and which, for the most part, consisted of young dendros probing critically at the issue of the failure of […]

By Stephen McIntyre | Posted in Divergence | Also tagged | Comments (50)

More on the Divergence Problem

May 4, 2007 – 7:56 AM

Two new things on the Divergence Problem. The IPCC First and Second Drafts did not contain a whisper of a mention of the divergence between ring widths and density in the second half of the 20th century, although this is rather an important issue. It came up at the NAS Panel and was completely unresolved […]

By Stephen McIntyre | Posted in Divergence, IPCC, Proxies | Also tagged , | Comments (63)

NAS Panel Report

Jun 22, 2006 – 9:16 AM

The early rumors on the NAS Panel was that it was “two handed” -on the one hand,…, on the other hand, … with something for everyone. I’d characterize it more as schizophrenic. It’s got two completely distinct personalities. On the one hand, they pretty much concede that every criticism of MBH is correct. They disown […]

By Stephen McIntyre | Posted in Divergence, MBH98, NAS Panel | Also tagged | Comments (634)

Cook et al[2004]: More Cargo Cult?

Mar 14, 2006 – 3:09 PM

Reader Bart S. has argued that Cook et al [QSR 2004] disposed of the "Divergence Problem", the name applied at the NAS panel on March 2-3, 2006 for the problem that, if the proxies do not record late 20th century warming, how can we be sure that they recorded potential earlier warming in the MWP. […]

By Stephen McIntyre | Posted in Divergence, Multiproxy Studies, NAS Panel, Post-1980 Proxies | Also tagged | Comments (8)