From: Phil Jones To: "Michael E. Mann" ,k.briffa@uea.ac.uk Subject: Re: IPCC revisions Date: Wed, 22 Sep 1999 12:58:14 +0100 Cc: ckfolland@meto.gov.uk,tkarl@ncdc.noaa.gov Mike, Been away in Japan the last week or so. Malcolm was there in a wheelchair because of his ruptured achilles. We both mentioned the lack of evidence for global scale change related to the MWE and LIA, but all the later Japanese speakers kept saying the same old things. As for the TAR Chap 2 it seems somewhat arbitrary divison to exclude the tree-ring only reconstructions. Keith's reconstruction is of a different character to other tree-ring work as it is as 'hemispheric in scale' as possible so is unlike any other tree-ring related work that is reported upon. If we go as is suggested then there would be two diagrams - one simpler one with just Mann et al and Jones et al and in another section Briffa et al. This might make it somewhat awkward for the reader trying to put them into context. The most important bit of the proxy section is the general discussion of 'Was there an MWE and a LIA' drawing all the strands together. Keith and I would be happy to look through any revisions of the section if there is time. One other thing, did you bring up the possibility of having a proxy-only chapter ( albeit short) for the next assessment ? On Venice I suggested to Peck that you and Keith give talks on the reconstructions - frank and honest etc emphasising issues and I lead a discussion with you both and the rest of those there where the issues can be addressed ( ie I would like to get the views of other proxy types and the modellers/detectors there). I suggested to Peck that this was early in the week as I have to leave on the Thursday to go to the last day of a Working Group meeting of the Climate Change Detection group in Geneva ( a joint WMO Commission for Climatology/CLIVAR). I hope to report on the main findings of the Venice meeting. Another issue I would like to raise is availability of all the series you use in your reconstructions. That old chestnut again ! How is life in Charlottesville ? Do you ever bump into Michaels or is always off giving skeptical talks ? Tim Osborn is making great progress with his NERC grant and will be looking into dates soon for coming to see you. Cheers Phil Prof. Phil Jones Climatic Research Unit Telephone +44 (0) 1603 592090 School of Environmental Sciences Fax +44 (0) 1603 507784 University of East Anglia Norwich Email p.jones@uea.ac.uk NR4 7TJ UK ----------------------------------------------------------------------------