Friday, August 20, 2021

The IPCC’s attribution methodology is fundamentally flawed

The IPCC’s attribution methodology is fundamentally flawed
"One day after the IPCC released the AR6 I (2021) published a paper in Climate Dynamics showing that their “Optimal Fingerprinting” methodology on which they have long relied for attributing climate change to greenhouse gases is seriously flawed and its results are unreliable and largely meaningless. 
...It has been used in dozens and possibly hundreds of studies over the years. 
Wherever you begin in the Optimal Fingerprinting literature (example), all paths lead back to AT99, often via Allen and Stott (2003). 
So its errors and deficiencies matter acutely...Read all.

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