Thursday, December 15, 2011


From: "Michael E. Mann" <>
To: Keith Briffa <>
Subject: Re: Fwd: Re: [Wg1-ar4-ch06] IPCC last 2000 years data
Date: Thu, 23 Dec 2004 14:04:44 -0500

Hey Keith,
I hope your visit w/ your family went well...
I went ahead and tried to make some constructive comments on what you sent (figured it
would be nice to get this out of the way before the holidays come round)..
Let me say I think it's shaping up very nicely--looks like it should be a significant
improvement on the '01 report. You've handled the various controversies and points of
dispute delicately and adeptly, while still driving home in the end the key point (that the
evidence appears to point to anomalous late 20th century behavior).
I made a dozen or so minor comments--please make use of them as you see fit.
Lets reconvene on this after the holidays. Thanks again for including me in and giving me
an opportunity to comment.
I hope the rest of your holidays go well,
At 01:31 PM 12/22/2004, you wrote:

don't know what the status of the whole chapter is - but I thought I would send this
very first and rough
draft to you anyway - I have to wait and see the whole thing and hear from Peck before
doing more.
Just heard my dad is now pretty much bedridden and officially declared blind (diabetes
etc) and have to fit in a visit to him and mum (who I have not seen for ages) and spend
at least a few days with the kids so there is no way I can work more on this till later
- as I said - really appreciate your input , have a great Christmas and for f..ks sake
keep the right priorities to the fore as the years progress

Date: Wed, 22 Dec 2004 18:23:02 +0000
To: Jonathan Overpeck <>
From: Keith Briffa <>
Subject: Re: [Wg1-ar4-ch06] IPCC last 2000 years data
Cc: Eystein Jansen <>
Bcc:,Tim Osborn <>
Peck and Eystein
I have to break off now for the christmas period
This is unavoidable. I am sending what I have now
even though I am not at all happy with it.
It is obviously only part way there. Getting the data
to produce Figures and work out how to design them
is going to be time very consuming
and I will rely entirely on Tim here to do them
- and the regional input
stuff if wanted will need input from a number of people
that I have not been able to contact (see later)
The borehole discussion (contributed to by Henry Pollack) will need
batting around and Henry (and Mike , who contributed
a section on regional forced changes) will need to be kept
on board. There will be loads to say on the simulated
temperature histories and Tim will help here also
- but much is unpublished or
even unanalysed (hence Simon and Eduardo will need
to contribute eventually). The glacier bit at the end is what
Olga sent and I have not had time to work through it.
You two need to give some direction as to how
much you wish to have explicitly looking at the mass of
NAO?AO reconstructions , ditto ENSO or PDO and all the
simulations of these - but at this stage not sure where in overall
plan all this going. Do we really want a discussion on MWP
and LIA per se ? The regional descriptions , including Southern Hemisphere
could be infinite length and I suppose we should only discuss longest or
pre assimilated information - but will need specific input here from colleagues
if we are to do these regional (including precipitation ) sections .
I know Julie and Ed , and presumably Eystein , will be the best people to ask.
I am attaching the current text and placeholder ideas for Figures .
Not feasible to work more on these until know wider priorities re space.
Have had bad experience with ENDNOTE - and Tom Melvin here will forward
the biblio file later.
I wanted to do more , but that is all I can manage til after Xmas
Here is wishing you (and your loved ones) all the best
Professor Keith Briffa,
Climatic Research Unit
University of East Anglia
Norwich, NR4 7TJ, U.K.
Phone: +44-1603-593909
Fax: +44-1603-507784

Professor Keith Briffa,
Climatic Research Unit
University of East Anglia
Norwich, NR4 7TJ, U.K.
Phone: +44-1603-593909
Fax: +44-1603-507784

Professor Michael E. Mann
Department of Environmental Sciences, Clark Hall
University of Virginia
Charlottesville, VA 22903
e-mail: Phone: (434) 924-7770 FAX: (434) 982-2137
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