From	Susan Solomon	Date	Tue, 15 Mar 2005 12:50:06 -0700
To	Jonathan T. Overpeck, Keith Briffa, Eystein Jansen
Subject	Re: Fwd: last millennium
Dear Peck, Thanks for your message. I'll look forward to hearing what you and your colleagues think. Susan At 9:26 AM -0700 3/15/05, Jonathan Overpeck wrote: >Hi Susan - thanks for sending these along with some interesting >ideas. I'll cc this email to Keith Briffa, along with Eystein, to >see if the three of us could chat about the issues. Personally, I >think the idea of showing the instrumental data near the paleo sites >is excellent - but we have to see what Keith thinks since it would >be his (and CA Tim Osborn's) job to do this. But, it makes lots of >sense. I also like having the composite (average) lines (paleo and >instrumental) for the simple reason that they connects back to all >the other reconstructions, and thus make the point that these other >recons are not so "misleading" after all. > >Funny coincidence - Julie and I have been working on the coral trend >story, and just yesterday decided to do what you are suggesting in >terms of instrumental data. I'm learning that the coral data are >trickier than I thought, but this is a good way of figuring out what >we really can or cannot say with these time series. > >More soon, thanks again, Peck > >>X-Sieve: CMU Sieve 2.2 >>X-Sender: ssolomon@mailsrvr.al.noaa.gov >>Date: Mon, 14 Mar 2005 15:40:35 -0700 >>To: Jonathan Overpeck >>From: Susan Solomon >>Subject: last millennium >>Cc: Martin Manning >>X-Virus-Scanned: amavisd-new at email.arizona.edu >>X-Spam-Status: No, hits=0.001 required=7 tests=BAYES_50 >>X-Spam-Level: >> >>Hi Jonathan, >>Here's some cool plots that Tom Crowley whipped up, as per our >>phone discussion. He indicated that it was OK to send to you. >> >>It seems to me that showing these records explicitly will address a >>lot of the issues in the temperature records for the last >>millennium. One might or might not choose to try to construct the >>composites (see slide 2 versus 3 in the attached). To be totally >>consistent, it would be nice to show individual records for the >>twentieth century near the sites of the tree ring/cores as well, >>rather than just the mean over that period. If one did that, the >>resulting diagram would avoid any averaging (is it really needed to >>make the point?). A remaining issue would be the calibration of the >>paleo proxies and how that affects the spread (or lack thereof, in >>the overlap period). >> >>What do you think? >>Susan >> >> >>-- >>****************************************** >>Please note my new email address for your records: >> >>Susan.Solomon@noaa.gov >>******************************************* >> > > >-- >Jonathan T. Overpeck >Director, Institute for the Study of Planet Earth >Professor, Department of Geosciences >Professor, Department of Atmospheric Sciences > >Mail and Fedex Address: > >Institute for the Study of Planet Earth >715 N. Park Ave. 2nd Floor >University of Arizona >Tucson, AZ 85721 >direct tel: +1 520 622-9065 >fax: +1 520 792-8795 >http://www.geo.arizona.edu/ >http://www.ispe.arizona.edu/ > >Attachment converted: Discovery:crowley.mwp.mar.14.ppt (SLD8/PPT3) (000F0F48) -- ****************************************** Please note my new email address for your records: Susan.Solomon@noaa.gov *******************************************