Tag Archives: yang

Behind Closed Doors: “Perpetuating Rubbish”

Nov 25, 2011 – 8:38 PM

The Yang Chinese composite, after the Mann PC1 and Yamal, had the third-largest hockey stick shape of the proxies illustrated in the IPCC AR4 spaghetti graph. I’d commented on this series on several occasions – see http://www.climateaudit.org/tag/yang The new emails show that Bradley thought that this series was, to use the technical term preferred by […]

By Climate Audit | Posted in cg2, Uncategorized | Also tagged | Comments (112)

Yang et al. [2003] #2

Nov 30, 2005 – 3:06 PM

I’ve been re-visiting the various multiproxy studies with respect to scale and variability. In addition, as you know, one of my interests in these multiproxy studies is the non-robustness of MWP-modern levels to a very few non-independent proxies, used in multiple studies – in particular: bristlecones, Polar Urals and Thompson’s Himalayan dO18 series – each […]

By Climate Audit | Posted in Multiproxy Studies, Thompson | Comments (9)

Yang et al [2003]

Sep 11, 2005 – 6:02 AM

An important new proxy series, which is one of only 8 in Mann and Jones [2003] and one of only 11 low-frequency proxies in Moberg et al [2003], is the Chinese composite of Yang et al [2003]. Unlike the Hockey Team, Prof. Yang promptly provided the underlying data set upon request. Here are some early […]

By Climate Audit | Posted in Multiproxy Studies | Comments (25)