date: Fri Apr 22 09:29:45 2005
from: Phil Jones
subject: Re: Mann vs. McIntyre
to: David Appell
David,
I wouldn't worry about the criticism. It is groundless in my view. It is
just people making mischief. The MM paper in GRL is just wrong.
The point you can make is that there are loads of other papers giving
similar results to MBH. None of these has a warm 15th century. Most give
cooler 15th centuries than MBH - in fact MM is closest to MBH in their
revised curve. I know this wasn't part of their GRL paper, but they had one
in CR that said revisions to MBH gives a warm 15th century.
MM is the outlier in all this, not MBH. In a soccer analogy in the UK,
we have the premier league with teams like Manchester United, Chelsea
and Arsenal in it. MBH is in this premier league. MM is Sunday morning
soccer played by amateurs. I'm sure you have similar baseball analogies.
Cheers
Phil
At 21:12 21/04/2005, you wrote:
Dr. Jones,
Hi. Do you have any thoughts on the Michael Mann vs. Stephen McIntyre
controversy?
I wrote a profile of Michael Mann for the March 2005 issue of Scientific
American. Some readers have criticized me, based mostly on a 2/14
article in the Wall Street Journal, for failing to pay heed to the work
of Stephen McIntyre and Ross McKitrick, which was published in
Geophysical Research Letters in February 2005. I'm wondering if you put
much faith in the McIntyre & McKitrick paper, and how you think it
stacks up to the work of Mann, Bradley, and Hughes.... Any thoughts
you'd care to share?
I would need your response by Monday, April 25th....
Thanks,
David
--
David Appell, freelance science journalist
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Prof. Phil Jones
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