cc: Tim Osborn , Fortunat Joos , Jonathan Overpeck , David Rind , Stefan Rahmstorf , Bette Otto-Bleisner , , Ricardo Villalba , , Valerie Masson-Delmotte , Dominique Raynaud , Keith Briffa , Phil Jones , , , , , , Heinz Wanner , Thorsten Kiefer , Eric W Wolff , , , Jérome Chappelaz , , , Michael Schulz , , Bette Otto-Bliesner , , , , , , Laurent Labeyrie , Gavin Schmidt date: Tue, 21 Apr 2009 09:46:16 -0700 from: Jonathan Overpeck subject: Re: Key new IPCC relevant paleo-science to: Jean-Claude Duplessy , Eystein Jansen Thanks J-C - This is an interesting idea - the crux of which would have to be synthetic papers published in time for incorporation in the AR5, and also some AR5 LA involvement to ensure the science was tight enough to be considered useful. I remember the AR4 sea level debates, where I think many were troubled by the lack of consensus on what ice sheets could do, and where the AR5 should be able to do better using the more recent science. Best, Peck On 4/21/09 2:31 AM, "Jean-Claude Duplessy" wrote: > Dear Friends, > > > From my experience to promote paleo research, I believe that it would > be extremely difficult to have paleo research introduced in each IPCC > chapter, properly taken into account with a balanced discussion. > > I therefore join you in recommending to have a separate Paleo Chapter. > > However, during some IPCC meetings, you may well organize some small > meetings with other groups to discuss together some aspects of paleo > research which may be used in other chapters (in a discussion format > somewhat similar to the old Dalhem Conferences). > > Best regards > > jean-Claude > > Eystein Jansen a écrit : >> Dear friends, >> >> The scoping of IPCC AR5 will happen in July this year. In the >> community there have been opinions raised regarding paleo-science in >> the next report, e.g. whether to have paleo-science dispersed into >> various topical chapters, e.g. forcing, model-evaluation, sea level >> etc., or whether it might be best to do as in AR4 to have a separate >> Paleo-chapter. >> >> There are good arguments for both options, and it is not the intent of >> this email to voice a specific opinion. Rather it is important to let >> the scoping process be aware of all the relevant new paleo-science >> which whould be assessed in AR5, thereby leading to the need for a >> strong presence of paleoclimate scientists in the LA-team of AR5, >> particularly in WG1, but also in WG2. >> >> In order to make the case that paleo-science continues to be highly >> relevant for IPCC, Peck and I have agreed to be the editors of a >> Slide-series (ppt style) which can be used to make the case in the >> scoping, and which of course could be a useful product for various >> outreach activities of PAGES and the paleoclimate community at large. >> The PAGES office will asssist in producing the slides >> >> We therefore send this email to you who worked as LAs in AR4 or who >> are on SSC or other relevant PAGES panels and ask for your input. >> What we hope you can help with is the following: >> >> 1. Provide your best examples of key new IPCC (Policy) relevant new >> results post AR4, i.e. accepted after July 2006, that provide >> compelling arguments for paleoclimate science as a key contributor to >> IPCC. Please limit this to the results which are clearly IPCC-relevant >> 2. Ongoing projects or programmes that are likely to deliver such >> results in the next 2-3 years can also be included. The information >> must, however, be specific and compelling to a non-paleo audience. >> 3. Send PDF of the paper or other material (like ppt slide) to Peck >> (jto@u.arizona.edu), Myself and Thorsten Kiefer >> (thorsten.kiefer@pages.unibe.ch) at PAGES, preferably by May 2. >> >> We think this might become a very useful service to our community and >> to the climate change communities at large, and will be very rewarding. >> Hoping to hear back from many of you. >> >> Best wishes >> >> Peck and Eystein >> >> >> __________________________________ >> Eystein Jansen >> Professor/Director Bjerknes Centre for Climate Research >> Allégaten 55, N 5007 Bergen, Norway >> e-mail:eystein.jansen@bjerknes.uib.no >> tel: 55-589803/55-583491 >> fax: 55-584330 >> >> >> >> >> Jonathan T. Overpeck Co-Director, Institute for Environment and Society Professor, Department of Geosciences Professor, Department of Atmospheric Sciences Mail and Fedex Address: Institute for Environment and Society 715 N. Park Ave. 2nd Floor University of Arizona Tucson, AZ 85721 direct tel: +1 520 622-9065 Email: jto@u.arizona.edu PA Lou Regalado +1 520 792-8712 regalado@email.arizona.edu