Tag Archives: mann et al 2009

Mann and his bristlecones

Aug 7, 2010 – 5:48 PM

Gavin Schmidt and others have claimed that the M08 usage of the Tiljander sediments didn’t ‘matter’, because they could “get’ a series that looked somewhat similar without the sediments. They’ve usually talked around the impact of the Tiljander series on the no-dendro reconstruction. But there are two pieces of information on this. A figure added […]

By Stephen McIntyre | Posted in Mann et al 2008 | Also tagged , , , , , | Comments (81)

The No-Dendro Illusion

Aug 1, 2010 – 9:27 PM

In September 2008, Mann et al reported a “significant development” in paleoclimate reconstructions – a “skillfull” reconstruction without tree ring data for over 1300 years. A skillful EIV reconstruction without tree-ring data is possible even further back, over at least the past 1,300 years, for NH combined land plus ocean temperature (see SI Text). This […]

By Stephen McIntyre | Posted in Uncategorized | Also tagged , , , | Comments (442)

Yet another Upside Down Mann out

Nov 27, 2009 – 4:52 AM

Science published today yet-another-Mann-et-al-reconstruction: Michael E. Mann, Zhihua Zhang, Scott Rutherford, Raymond S. Bradley, Malcolm K. Hughes, Drew Shindell, Caspar Ammann, Greg Faluvegi, and Fenbiao N: Global Signatures and Dynamical Origins of the Little Ice Age and Medieval Climate Anomaly, Science 326 (5957), 1256. [DOI: 10.1126/science.1177303]. Seems to me that Mann has re-discovered the Medieval […]

By Jean S | Posted in Mann et al 2009 | Also tagged , , , , | Comments (141)