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Politics : Politics of Energy -- Ignore unavailable to you. Want to Upgrade?


To: Wharf Rat who wrote (62236)12/16/2014 4:03:06 PM
From: Brumar89  Read Replies (1) | Respond to of 86350
 
You mean that's when the proxies were shown to be useless.



To: Wharf Rat who wrote (62236)12/17/2014 8:56:21 AM
From: Alastair McIntosh  Respond to of 86350
 
From your link at nature.com

The cause of this increasing insensitivity of wood density to temperature changes is not known, but if it is not taken into account in dendroclimatic reconstructions, past temperatures could be overestimated.

No reason that this divergence wasn't present in earlier periods.