Mann et al. [2000] listed 5 quality control criteria, which were said to have been applied in MBH98 for the inclusion of tree ring sites. These criteria were again referred to in the MBH Corrigendum in July 2004. In total, the information in the SI to MBH98 showed the use of 394 sites, either as individual proxies or as a component of a principal component network. I have been able to identify original data at WDCP for 331 out of 333 non-Vaganov sites used in MBH98. 196 out of these 331 series failed one or more of the stated quality control tests. One Jacoby series failed the mean correlation test so spectacularly (mean correlation of only 0.045 between segments and archived chronology) that we contacted one of the originating authors (D’Arrigo) who requested WDCP to withdraw the data. More
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4 Comments
Steve, the link at the end of the extract is not linking, page not found.
Steve, The link to climate2003.com doesn’t work!
Sorry about that – fixed now. , Steve
Maybe a second corrigendum is needed?
TCO – you’re probably right. A second corrigendum is definitely needed.
Steve, thanks for the interesting post.
– Rick