PAGES19: 0-30S

Climate Audit

In a Climategate email. Keith Briffa famously sneered at Michael Mann’s claim that a temperature reconstruction could represent a hemisphere, including the tropics, by regressing a “few poorly temperature respresentative tropical series” against “any other target series” – even the trend of Mann’s own “self-opinionated verbiage” as follows:

I am sick to death of Mann stating his reconstruction represents the tropical area just because it contains a few (poorly temperature representative ) tropical series. He is just as capable of regressing these data again any other “target” series , such as the increasing trend of self-opinionated verbage he has produced over the last few years , and … (better say no more)

People frequently say that the PAGES2K reconstruction has “vindicated” Mannian reconstructions – but neglect to mention that PAGES2K similarly regressed a “few poorly temperature representative tropical series” onto an increasing trend – thus, repeating, rather than vindicating, (one…

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