Saturday, April 14, 2012


date: Tue, 07 Apr 1998 10:10 +0000 (GMT)
subject: IPCC Third Assessment Report


You probably know most of the information below already. I hope you are able to


Dear Mike

I am writing to inform you that you will be receiving an invitation to a Scoping
Meeting for the Working Group I volume of the IPCC Third Assessment Report.

As you may already be aware IPCC is beginning preparations for its Third
Assessment Report (TAR). The Third Assessment Report will be comprehensive and
cover the complete range of scientific, technical, economic issues associated
with the climate system and climate change deemed important by the expert or
policy-making communities.

The TAR will summarise the state of knowledge covered in previous IPCC reports,
but will primarily assess information generated since the Second Assessment
Report, recognising that climate change is a global issue but emphasising the
assessment of the regional aspects of climate change. It will consist of reports
of the three IPCC Working Groups and a Synthesis Report. The Synthesis Report
will be written in a non-technical style suitable for policymakers and will
address a broead range of key policy-relevant questions.

The process for selecting Lead Authors (LA), Contributing Authors (CA) and
Review Editors (RE) has begun. The Bureaux of the three IPCC Working Groups met
in March 1998 to identify experts (about 4-5 per chapter) to come to a Scoping
Meeting scheduled for 29 June - 1 July 1998. It is anticipated that many of the
experts selected for the Scoping Meeting will play an important role in the
drafting of the three Working Group Reports. At the Scoping Meeting the chapter
structure and contents of each of the Reports will be planned and the selection
process for the Lead Author teams will be advanced. The chapter structure and
contents of the reports will be adopted at an IPCC Plenary scheduled for 1-3
October 1998, by which time it is expected that the Lead Author teams will be
complete, subject to minor amendments.

Chapter teams will begin the drafting process in late 1998/early 1999. The three
WG Reports will each undergo sequential expert and government reviews during the
year 2000 and the reports are expected to be completed by late 2000/early 2001.

As I indicated you will be receiving a formal invitation to this meeting from
IPCC in the near future but as the meeting is only a few months away I thought
it advisable to let you know as soon as possible that you will be receiving an
invitation. It would also be very useful for me to know if you are willing and
able to attend the meeting so that replacements can be found for those unable to

I look forward to hearing from you and hopefully to your attendance at the
meeting and involvement in the preparation of the TAR.


David Griggs
Head IPCC Working Group I Technical Support Unit.

Dr David Griggs
IPCC WGI Technical Support Unit
Hadley Centre
Met Office
London Road
Berks, RG12 2SY

Tel: +44 (0)1344 856615
Fax: +44 (0)1344 856912
e-mail: djgriggs@meto

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