Mechanical Models

Guest Post by Willis Eschenbach [NOTE the update at the end of the post.] I’ve continued my peregrinations following the spoor of the global climate model data cited in my last post. This was data from 19 global climate models. There are two parts to the data, the inputs and the outputs. The inputs to…

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The Thousand-Year Model

Guest Post By Willis Eschenbach Back in 2007, Jeffrey Kiehl first pointed out a curious puzzle about the climate models, viz: (emphasis mine) [3] A review of the published literature on climate simulations of the 20th century indicates that a large number of fully coupled three dimensional climate models are able to simulate the global…

Climate Sensitivity Deconstructed

Guest Post by Willis Eschenbach I haven’t commented much on my most recents posts, because of the usual reasons: a day job, and the unending lure of doing more research, my true passion. To be precise, recently I’ve been frying my synapses trying to twist my head around the implications of the finding that the…

Stacked Volcanoes Falsify Models

Guest Post by Willis Eschenbach Well, this has been a circuitous journey. I started out to research volcanoes. First I got distracted by the question of model sensitivity, as I described in Model Climate Sensitivity Calculated Directly From Model Results. Then I was diverted by the question of smoothing of the Otto data, as I reported…

New modeling analysis paper by Ross McKitrick

Dr. McKitrick’s new paper with Lise Tole is now online at Climate Dynamics. He also has an op-ed in the Financial Post on June 13. A version with the citations provided is here. Part II is here online, and the versions with citations is here. **McKitrick, Ross R. and Lise Tole (2012) “Evaluating Explanatory Models…