cc: wg1-ar4-ch06@joss.ucar.edu date: Thu, 30 Jun 2005 09:52:29 -0400 from: "W.R Peltier" subject: Re: [Wg1-ar4-ch06] Emailing: IPCC6.3.3FOD.doc to: Valerie.Masson@cea.fr Hi Valerie, Thanks for your input----I'll attempt to integrate your comments into the next draft of the sea level section. Cheers Dick At 05:15 AM 30/06/2005, Valérie Masson-Delmotte wrote: >Dear all, > >A few comments on Dick's text > >- title : should be modified to "sea level changes during THE LAST glacial >interglacial cycle" (mainly discussed here) >- structure : I would suggest to focus on specific questions maybe by time >scale, more explicitely >- a few typos (.. instead of ., Cuffy instead of Cuffey) >- as for sea level changes inferred from the conventional approach I would >suggest to refer to Waelbroeck et al QSR 2002 which also takes into >account the effects of deep water temperatures on the interpretation of >benthic foram 18O for sea level reconstructions >- a good review paper for the last interglacial period sea level is found >in Muhs et al Quat Res 2002 >- should we be as precise as one decimeter for the LGM sea level change? I >thought that the uncertainty was in terms of meters. >- the argument about the Holocene sea level is also given in the Holocene >section (6.4.1.7), should it disappear from there? >- the sentence starting by "a recent review..." is strange because the >paper cited for a methodology applied by others is older than the review >- for the Greenland contribution to sea level I think that the most >accurrate constraint comes from the North GRIP 2004 paper (Cuffey and >Marshall and Tarasov and Peltier had several scenarios where the Greenland >ice sheet was forced by estimated climate histories based on Vostok for >the Eemian; the NGRIP data enable to have a local climate scenario and >discriminate among the various modelling sensitivity studies, which, by >the way, did not have the large basal geothermal heat flow derived from >the NorthGRIP borehole T profile). >- the 6 line long sentence starting by "this is an important thought >still..." (second page, middle part) could be separated in several sentences. > >Valérie. > >W.R Peltier a écrit : > >>Dear Colleagues, >> This is the first of Section 6.3.3 for the FOD. There are still a >> few rough spots that I will sort out tomorrow morning but I thought that >> you should see the direction in which I was heading. I decided to keep >> (but have considerably revised) the discussion on the contamination of >> the rate of rsl rise measured using the T/P satellite system by the GIA >> process. This result is now being widely used by the community and is >> generally seen to an important contribution of the paleo-climate >> community since the TAR. The new Figure I've produced could easily be >> moved into Chapter 5 together with the paragraph describing it. Since I >> have not heard anything back from Willebrand on how our Chapter 5 >> colleagues intend to deal with this issue I believe that we should >> include it in this section of our chapter together with the Figure and >> leave it to the next stage of discussion to decide finally how the AR4 >> will handle it. The new Figure on this will be forwarded tomorrow. I >> believe that you all have the Figure previously produced describing the >> variation of sea level from the Eemian interglacial to the present. >>Dick >> >> >> >> >> >> >>IPCC6.3.3FOD.doc >> >> >> >>Note: To protect against computer viruses, e-mail programs may prevent >>sending or receiving certain types of file attachments. Check your >>e-mail security settings to determine how attachments are handled. >> >>Prof W.R Peltier >>Dept of Physics, University of Toronto >>60 St. George Street, Toronto, Ontario, CANADA, M5S 1A7 >>Tel (416)-978-2938 Fax (416)-978-8905 >>email peltier@atmosp.physics.utoronto.ca >> >>------------------------------------------------------------------------ >> >>_______________________________________________ >>Wg1-ar4-ch06 mailing list >>Wg1-ar4-ch06@joss.ucar.edu >>http://www.joss.ucar.edu/mailman/listinfo/wg1-ar4-ch06 > > > Prof W.R Peltier Dept of Physics, University of Toronto 60 St. George Street, Toronto, Ontario, CANADA, M5S 1A7 Tel (416)-978-2938 Fax (416)-978-8905 email peltier@atmosp.physics.utoronto.ca _______________________________________________ Wg1-ar4-ch06 mailing list Wg1-ar4-ch06@joss.ucar.edu http://www.joss.ucar.edu/mailman/listinfo/wg1-ar4-ch06