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Briffa Condemns Mann Reconstructions « Climate Audit

Not in so many words, of course. However, Briffa et al 2013 took a position on the use of radially deformed tree ring cores that would prohibit the use of strip bark bristlecones in temperature reconstructions, thereby emasculating Mann’s reconstructions. And not just the Mann reconstructions, but the majority of the IPCC reconstructions used by Briffa in AR4.

Modeling Flaws Plague Climate Science | The Resilient Earth

So far, GCM have little history to fall back on and during much of that their predictions have been false. Could this be because, as asserted by Stevens and Bony, the models are wrong in their fundamental assumptions? Or could it be as others claim, if we can just make the models complicated enough to catch all the nuances of nature they will generate the correct forecasts? No one really knows, but we do know this—the current crop of models are not accurate and should not be treated as scientifically valid.

Twitter / BigJoeBastardi: Arctic Sea Ice vs 2007. Notice ...

Arctic Sea Ice vs 2007. Notice how much thicker further west since PDO flipped to cold. AMO flip several yrs away pic.twitter.com/cwxuubOIlj