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Politics : Formerly About Advanced Micro Devices

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To: Wharf Rat who wrote (823801)	12/19/2014 5:04:41 PM
From: Brumar89	Read Replies (1) of 1574761

.... tree ring data have behaved pretty much as any other paleoclimate proxy behaves. There are conditions under which any given proxy works, and there are conditions under which the proxy can’t be trusted and should not be used. Decades ago, when the Hockey Stick was first formulated, the loss of signal in the tree ring record was somewhat mysterious, though numerous good ideas explaining it were out there. They are essentially admitting that tree rings aren't good proxies for temperature. Sometimes tree rings work, they say, and sometimes they don't. What that means practically is that when tree rings give them the answer they want, they're "good proxies" and when they don't they're not. Interestingly, the last 10 years or so of tree ring research has failed to force the conclusion that tree rings are not good sources of past temperature data; The burden of proof should be on the parties using tree rings as temperature proxies that they ARE good proxies. ------------------------------------------ Climate Audit on this: climateaudit.org climateaudit.org

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