date: Fri, 18 Mar 2005 17:12:19 -0700
from: Jerry Meehl <meehl@ucar.edu>
subject: update on IPCC model analyses
to: ipcc_subprojects@jetta.llnl.gov, cmsaw@joss.ucar.edu, mlatif@ifm.uni-kiel.de, Ron Stouffer <Ronald.Stouffer@noaa.gov>, covey1@llnl.gov, meehl@ucar.edu, john.f.mitchell@metoffice.com, gates5@llnl.gov, avillwock@ifm.uni-kiel.de, B.McAvaney@bom.gov.au, Satyan_V@gateway.wmo.ch, bader2@llnl.gov, Jim Hurrell <jhurrell@cgd.ucar.edu>, Dave Gutzler <gutzler@unm.edu>, Lisa Goddard <goddard@iri.columbia.edu>, David Legler <legler@usclivar.org>

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March 18, 2005

  (we apologize if some of you receive this message more than once since 
we are sending it to several email alias lists;  we include the message 
text below, as well as in an msword attachment)

Dear IPCC analysts,

Thank you to all who attended the very successful workshop in Honolulu 
held March 1-4, and to all those who have been analyzing the IPCC AR4 
model output who were not able to attend. It was clear from the workshop 
that the models are being analyzed over a wide range of topics and that 
some interesting results are already emerging. The multi-model analyses 
are going to be major contributors to the success of the AR4.

The purpose of this email is to let you know how to feed the results of 
your analyses into the AR4 drafting process

For those who were not able to come to the workshop, I would like to 
confirm here the timescales on which material is required.  To fit with 
the IPCC review process, papers will need to be submitted to 
peer-reviewed journals and available to IPCC lead authors by 1 MAY 2005, 
and accepted for publication in a peer-reviewed journal by approximately 
1 DEC 2005. These deadlines are set to allow lead authors time to 
consider all available literature in time for the first and second AR4 
drafts. Electronic copies of papers need to be sent to the appropriate 
lead author contacts, with an electronic copy lodged with the WG1 
Technical Support Unit (TSU)  see below.

For the May deadline, the authors need some form of draft paper to 
assess. In almost all cases this will be in the form of a paper 
submitted to a peer-reviewed journal. An exception to the need for a 
peer-reviewed paper can be made for calculations of well-established 
diagnostics (e.g. where the diagnostic and the lines of inference from 
the results are described in a number of existing peer-reviewed papers). 
This would be at the discretion of the lead authors and would be subject 
to scrutiny by the WG1 Review Editors and Bureau. If you are planning 
work of this type I would advise establishing early direct contact with 
an appropriate lead author.

List of contacts for AR4 modelling chapters

Please email a pdf copy of your paper to the IPCC WG1 TSU
(ipcc-wg1@al.noaa.gov) and to the  relevant contact points below. Note 
that your study may be relevant to more than one chapter (e.g. a study 
that considers both the control simulations of ENSO and future changes 
in ENSO would be relevant to both Chapters 8 and 10).

Roughly speaking, Ch. 8 deals with simulations of aspects of the 
climatology or processes in present-day climate, Ch. 9 addresses 
simulation of trends or responses to specific forcings in 20th century 
climate in addition to detection/attribution studies, Ch. 10 assesses 
any aspect of climate change projections from global models, and Ch. 11 
deals with aspects of regional climate change projections from regional 
models or information downscaled from global models.  These are not 
strict boundaries, but are used for general guidance to give you a rough 
idea of where to send copies of your papers.  As long as you send copies 
to the chapter contacts you think are relevant for your paper, it is 
then the responsibility of the respective lead authors to sort out 
exactly where your results will be assessed.

Chapter outlines can be found at:     http://ipcc-wg1.ucar.edu/index.html


Chapter 8: Climate Models and their Evaluation
Please send copies to the appropriate section contacts:
8.1 Introduction and Philosophy:
Richard Wood richard.wood@metoffice.gov.uk
8.2 Advances in Modelling (model formulation, resolution etc):
Akimasa Sumi sumi@ccsr.u-tokyo.ac.jp
8.3 Evaluation of contemporary climate as simulated by coupled global 
models:
Karl Taylor taylor13@llnl.gov
8.4 Evaluation of large-scale climate variability:
John Fyfe John.Fyfe@ec.gc.ca
8.5 Model simulations of extremes:
Jagadish Shukla shukla@cola.iges.org
8.6 Climate Sensitivity and hydrological sensitivity:
Sandrine Bony Sandrine.Bony@lmd.jussieu.fr
8.7 Mechanisms producing thresholds and abrupt climate change:
Ron Stouffer Ronald.Stouffer@noaa.gov
8.8 Representing the global system with simpler models:
Thierry Fichefet fichefet@astr.ucl.ac.be


Chapter 9 : Understanding and Attributing Climate Change
Please send all papers to CLA Gabi Hegerl hegerl@duke.edu

Chapter 10: Global Climate Projections
Please send all papers to CLA Thomas Stocker stocker@climate.unibe.ch

Chapter 11: Regional Climate Projections
Please send all papers to CLA Jens Christensen jhc@dmi.dk


The draft papers will be made available through the WG1 web pages to all 
WG1 lead authors. Additionally, the TSU will set up a tracking sheet, 
and it will be your responsibility to update this form as your paper 
progresses through the review process.  Further details regarding this 
procedure will be forthcoming.

Thank you again for your contribution, and good luck with your writing!

Jerry Meehl
For the Ch. 8, 9, 10 and 11 Lead Authors, and for the WGCM Climate 
Simulation Panel


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