date: Mon, 24 Aug 1998 09:59:10 +0100 from: David Viner subject: Fwd: Re: USGCRP Study to: m.hulme@uea.ac.uk >Envelope-to: f046@cpca11.uea.ac.uk >From: Linda Mearns >Subject: Re: USGCRP Study >To: d.viner@uea.ac.uk (David Viner) >Date: Sat, 22 Aug 1998 13:48:37 -0600 (MDT) >MIME-Version: 1.0 >Status: > >David, >> >>We are curious over here as to why the USGCRP National Assessment has opted >>for using CCCMA as their prime model. We have a document that says that >>daily data is not available from the numerous runs performed with HadCM2 >>(which is not correct). >Good question. I'd be interested in knowing what document you have that >states this (about the daily data). This, however, is consistent with the >information I received from Mike McCracken, head of the USGCRP (that >daily data were not readily available from the HADCM2) > >>Would it be possible for you to shed some light on this issue? > >I can shed little additional light. You might try asking Dave Schimel >(at NCAR - his e-mail is probably schimel@ucar.edu - I can't look it >up at the moment since I only have one window on my lap top when connected >to the NCAR system). He is in charge of climate change scenarios. > >The decision certainly wasn't made based on quality of control runs. >>From what we have analyzed the control runs are either pretty close, >or HADCM2 does a bit better - of course its resolution is a bit better. > >Many decisions made in this US assessment business are very mysterious. >One of the reasons I am comparing the CCCMA with the HADCM2 is so that >users of the output can have some comparativer results. >I haven't exactly been encouraged to do this. But luckily I have >a good deal of control over what we do. But our timeline is very short. > >Let me know what you find out from Schimel - his anser will surely be >interesting. > >Cheers, >Linda > > >-- > > >****************************************************************************** > Dr. Linda O. Mearns Phone: 303 497 8124 > Scientist Fax: 303 497 8125 > Environmental and Societal Impacts Group e-mail: lindam@ucar.edu > NCAR P.O. Box 3000 > Boulder, CO 80307 > #-------------------------------------------- # Dr. David Viner # Climate Impacts LINK Project # Climatic Research Unit # University of East Anglia # Norwich NR4 7TJ # UK # mailto://d.viner@uea.ac.uk # WWW: http://www.cru.uea.ac.uk/link # WWW: http://ipcc-ddc.cru.uea.ac.uk # Tel: +44 (0)1603 592089 # Fax: +44 (0)1603 507784 #---------------------------------------------