Today’s article is about one of the D’Arrigo et al 2006 datasets. D’Arrigo et al 2006, then under submission, had been cited in drafts of the IPCC Fourth Assessment Report. I had been accepted as an IPCC...
MBH98 used three Jacoby tree ring chronologies from Alaska: Four Twelve (ak031) – discussed here, Arrigetch (ak032) and Sheenjek (ak033). Sheenjek will be discussed in this article. In our compilation of MBH98 in 2003,...
We’ve long discussed the bias imparted by ex post selection of data depending on whether it went up in the 20th century. Likening such after-the-fact selection to a drug study carried out only on survivors. The Jacoby...
One of the longest standing Climate Audit issues with paleoclimate reconstructions is ex post decisions on inclusion/exclusion of data, of which ex post decisions on inclusion/exclusion of sites/data in “regional [treering]...
Schmidt’s recent post on Yamal advocated the following “conspiracy theory”: McIntyre got the erroneous idea that studies were being done, but were being suppressed if they showed something ‘inconvenient’...
The 20th century warming counters a millennial-scale cooling trend which is consistent with long-term astronomical forcing.
MBH99
According to the UMass researchers, the 1,000-year reconstruction reveals that temperatures...
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