Tuesday, April 10, 2012


date: Fri, 27 Sep 2002 16:34:53 -0400
from: drdendroatXYZxyzo.columbia.edu
subject: A question
to: Keith Briffa <k.briffaatXYZxyz.ac.uk>

Hi Keith,

I have a bit of a strange question to ask you. After you supply it, I
will tell you why. Okay, here it goes. In the Mann et al. (1999)
paper, the NH temperature reconstruction was extended back to AD 1000
by using a subset of longer proxies that extended back that far. For
US$1,000,000 or L650,000 (I don't have the proper font for the pound
symbol), how many series were used to extend the Mann et al. (1999)
reconstruction back to AD 1000.


Dr. Edward R. Cook
Doherty Senior Scholar and
Director, Tree-Ring Laboratory
Lamont-Doherty Earth Observatory
Palisades, New York 10964 USA
Email: drdendroatXYZxyzo.columbia.edu
Phone: 845-365-8618
Fax: 845-365-8152

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