Tag Archives: Tree Rings

A Wonderful Comment on the Benefit of CO2

RGBatDuke does a great job of saying just why treerings are a poor thermometer and why CO2 is a Very Good Thing in a comment from WUWT. Continue reading

Posted in AGW and GIStemp Issues | Tagged , , , , , | 10 Comments

Well, someone finds a well proven 2000 year cooling trend with MWP and RWP

http://www.sciencedaily.com/releases/2012/07/120709092606.htm Climate in northern Europe reconstructed for the past 2,000 years: Cooling trend calculated precisely for the first time Date: July 9, 2012 Source: Universit├Ąt Mainz Summary: Scientists have published a reconstruction of the climate in northern Europe over the … Continue reading

Posted in AGW Science and Background | Tagged , , | 14 Comments

A Rather Remarkable Old Article

A remarkable article from 1979 that called warming to 2000, then cooling. Based on cycles observed in isotopes in tree rings and sediments. Continue reading

Posted in AGW Science and Background | Tagged , , , | 12 Comments

FOIA – Select UV and Tree Rings

Briffa knows UV changes tree rings but doesn’t make the connection that this matters to the validity of his prior art. Continue reading

Posted in FOIA Climategate | Tagged , , | 3 Comments