Tag Archives: wilmking

Positive and Negative Responders

Feb 12, 2006 – 1:49 PM

Just when you think that you’ve heard of all the possible problems with tree rings, the newest issue comes from “positive” and “negative” responders to temperature within the same site. These issues are discussed in a number of articles by various post-docs associated with Jacoby and D’Arrigo with the latter as co-authors. So in fairness […]

By Stephen McIntyre | Posted in Divergence, Jacoby, Proxies | Comments (62)

Post-1980 Proxies #4: Wilmking et al. [2004]

Feb 18, 2005 – 4:09 PM

Wilmking et al. carried out a comprehensive sampling of 1558 white spruce trees at 13 treeline sites in the Brooks Range and Alaska Range. The date of the sampling is not stated but seems to be between 2000 and 2003 and includes the warm 1990s. These findings cover the same species as were primarily used […]

By Stephen McIntyre | Posted in Divergence, Post-1980 Proxies | Comments (7)