[EMAIL PROTECTED] wrote: > William M Connolley wrote: > >>On Tue, 1 Aug 2006, Robert A. Rohde wrote: >> >>>The SRES A series scenarios are generally the bad, or business as >>>usual, ones, with A2 probably being the most studied of the group. The >>>B series would be the predictions for various attempts at making cuts >>>in emissions >> >>I have the impression that a1b is the most used. >> >>-W.
I've seen A2 explicitly referred to as "business as usual" in a scientific presentation. I did object to this mischaracterisation... > > http://www.grida.no/climate/ipcc_tar/wg1/figspm-5.htm > > Those charts do the job for me, thanks. Happy to see the old familiar > IS92a in there. Also happy to see A1T (my personal favorite). > > I notice that for each scenario there is a wide range of outcomes, > apparently depending on which climate model is used to generate the > temperature and sea level projections. For example, A1T delta t ranges > from oh, say 1.5 to 3.2 roughly. > > Is there also "within-model variance" in addition to this > "between-model variance" - due to stochastic factors or sensitive > dependence on initial conditions? No. At least, it is completely negligible on those time scales and with such large forcing. James --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups Global Change ("globalchange") newsgroup. Global Change is a public, moderated venue for discussion of science, technology, economics and policy dimensions of global environmental change. Posts will be admitted to the list if and only if any moderator finds the submission to be constructive and/or interesting, on topic, and not gratuitously rude. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [EMAIL PROTECTED] For more options, visit this group at http://groups.google.com/group/globalchange -~----------~----~----~----~------~----~------~--~---
