East Anglia Confirmed Emails from the Climate Research Unit - 1257847147.txt

From: "IPCC WGI TSU" <wg1@xxxxxxxxx.xxx>
Subject: IPCC Draft Good Practice Guidance Paper on Detection and Attribution for Review
Date: Tue, 10 Nov 2009 04:59:07 +0100 (CET)
Reply-to: wg1@xxxxxxxxx.xxx
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Dear Participants of the IPCC Expert Meeting on Detection & Attribution,
dear Colleagues,

Please find attached the draft version of the Good Practice Guidance Paper
(GPGP) which has been prepared by the Core Writing Team (CWT) following
the IPCC joint WGI/II Expert Meeting on Detection and Attribution. Gabi,
Ove, Camille, David, Gino, Marty, Peter, and Sari, have been working very
hard to meet the TSU deadline and have managed to provide the Co-Chairs
with the attached draft version right in time for presentation at the IPCC
Plenary in Bali the last week of October. We all owe them our sincere
thanks for the efforts put into the preparation of this document.

Logistics:

We would now like to invite all participants of the Geneva Expert Meeting
to review the GPGP and to provide comments and suggestions on the attached
draft within 2 weeks from today (i.e. by *November 24*). If you do plan to
provide your inputs, please prepare your comments in a separate document
(word or plain text) in order to facilitate the handling of the comments
from potentially ~30 participants. Submission of the files will be by
email to the WGI TSU at wg1@xxxxxxxxx.xxx. We will collect all the
reviews, combine them into an easily manageable format and will then
forward them to the CWT. The task of the CWT will then be to consider all
your comments and revise the GPGP accordingly. We do not plan to send the
Guidance Paper out for a second round of comments, but trust that the CWT
will make every effort to take your suggestions into account as much as
possible.

Changes to terminology discussed in Geneva:

Please note that the CWT, after intense discussions, had to make a few
changes to the language used in the "approved" documents from the last
day's final plenary. One of the changes is the change from "direct" to
"single step" attribution. Given the level of discussion created within
the CWT and also during the meeting, the CWT felt it was more constructive
NOT to insinuate which methods are better or stronger and so strived for
neutral language, particularly as the views about what constitutes a
strong method differed between groups (not only IPCC WGs). Note that the
word

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