Tendency, Convenient Mistakes, and the Importance of Physical Reasoning.

by Pat Frank Last February 7, statistician Richard Booth, Ph.D. (hereinafter, Rich) posted a very long critique titled, What do you mean by “mean”: an essay on black boxes, emulators, and uncertainty” which is very critical of the GCM air temperature projection emulator in my paper. He was also very critical of the notion of…

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Corrected RCP Scenario Removal Fractions

Reposted from Dr. Roy Spencer’s blog February 6th, 2020 by Roy W. Spencer, Ph. D. Well, as I suspected (and warned everyone) in my blog post yesterday, a portion of my calculations were in error regarding how much CO2 is taken out of the atmosphere in the global carbon cycle models used for the RCP…

Paper praising models’ predictions proves they greatly exaggerate

By Christopher Monckton of Brenchley, A recent paper by Hausfather et al. purports to demonstrate that models “are accurately projecting global warming”. In reality, and stripped of the now-routine hype and editorializing with which the paper is riddled, the results plainly demonstrate precisely the opposite – that models have exaggerated global warming – and continue…

Two more degrees by 2100!

From Dr Judith Curry’s Climate Etc. Posted on December 27, 2019 by curryja | by Vaughan Pratt An alternative perspective on 3 degrees C? This post was originally intended as a short comment questioning certain aspects of the methodology in JC’s post of December 23, “3 degrees C?”. But every methodology is bound to have…

Oreskes Vs. Oreskes

By Rud Istvan, edited by Charles Rotter WUWT reader Max alerted us to a 1994 Naomi Oreskes et. al. paper published in the prestigious journal Science. Her paper was a critical analysis of Earth Science numerical models. I asked Rud to take a look, since he had previously written on climate models both here and…