Monday, January 09, 2012

Email 4401: "We need to specifically move on from the concept that "15 trees are enough.""

[Reader AJ found this email from Rob Wilson to Keith Briffa]

"We need to specifically move on from the concept that "15 trees are enough."

"... there is no reason to restrict ourselves to only relatively few trees in the living period."

"Also where possible for those key sites ... always used in NH recons ... some sort of validation is needed of their long term trends."

"Finally, w.r.t. to NH reconstructions, individual constituent TR chronologies should be assessed for their climatic relevance at the local scale ONLY i.e. they are robust estimates for local/regional climate. It does NOT matter how they correlate with large scale NH temperatures."

Email 4401

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