cc: Eduardo Zorita <Eduardo.Zorita@gkss.de>, hegerl@duke.edu, Jan Esper <esper@wsl.ch>, Keith Briffa <k.briffa@uea.ac.uk>, Myles Allen <m.allen1@physics.ox.ac.uk>, Nanne Weber <weber@knmi.nl>, t.osborn@uea.ac.uk
date: Fri, 31 Mar 2006 16:08:09 +0100
from: Martin Juckes <m.n.juckes@rl.ac.uk>
subject: A new draft
to: Anders Moberg <anders.moberg@natgeo.su.se>

Hello,

a new draft is attached. I've shortened a lot of the discussion and added a 
few more results. There is now a table showing the coherence of each of 34 
proxy records which extend back to 1000 -- this answers a suggestion by 
McIntyre and McKitrick that MBH's N. American PC1 is a statistical outlier --
it isn't. 

I think one of the figures in the previous version I sent round had a slight 
error in that I was using a composite of proxies: for the Mann et al. proxy 
collections this included principal component series with arbitrary sign.
I have now made sure that the sign is determined by the correlation with
temperature. 

The draft is still rough in places, but I think it is more readable and 
compact now. I'll be away for two weeks: if people can get comments back to 
me within the next 3 weeks, I'd like to submit it soon after that.

An obvious next step would be to do a reconstruction using all the 32 long 
proxy records, but I haven't done that yet because there are sampling issues 
to deal with. 

cheers,
Martin


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