Monthly Archives: August 2006

Allen and the "Cool" Medieval Pacific

A press release for Allen (Current Anthropology 2006) has been referred to as showing that there was a “cool” medieval Pacific – thus supporting the view of the Team that the MWP was an incoherent dog’s breakfast. I was wondering if an anthropology professor had actually generated new paleoclimate records – it seemed unlikely, but […]

Survivorship Bias

bender has sent in the following interesting graphic showing how drought-caused dieback could bias a tree ring chronology and interfere with interpretation of past records, emphasizing the continued need to keep U-shaped temperature response functions firmly in one’s mind when considering these series. [image being re-sized] (2012 note) For reference, here are some related postings […]

What is the evidence against warmer MWP?

Lee has criticized me for not fully canvassing the supposedly manifold lines of evidence marshalled by the NAS panel against a warmer MWP. So I’ve done a little exercise to summarize the evidence AGAINST the MWP being warmer than mid-20th century, disaggregating what I believe to be the salient information from the spaghetti studies. The […]

Sciencemag on House E&C Hearing

Richard Kerr of Science has reported on the House Energy and Commerce Committee hearings. Having lived through the hearings, it’s interesting to see how they get characterized. For example, Kerr says: He [North] said he doesn’t disagree with Wegman’s main finding that a single year or a single decade cannot be shown to be the […]