Monday, May 7, 2012


date: Fri Oct 6 07:55:19 2000
from: Phil Jones <>
subject: Re: Power spectral figure for the TAR
to: Myles Allen <>

It is the sort of thing we plan to do. Tim is off next week to spend
2 weeks with Mike in Charlottesville.


At 05:19 PM 10/5/00 +0100, you wrote:
>Hi Phil,
>Thanks for checking that -- doing the same thing with Mann et al would
>obviously be interesting, but without subsampling and processing the
>controls in the same way the observations have been massaged in his
>reconstruction, I'm not sure how meaningful the results would be. Isn't
>think pretty much what you're doing with Keith and Tim on that NERC
>project I reviewed?
>The nice thing about the obs-minus-all-forcings case is that all the main
>sources of bias in the observed spectrum are to over-estimate the variance
>on all timescales, giving a defensible upper bound. I can imagine a lot
>of the processing the Mann et al series has been through rather bleaching
>the colour out of it.
>Myles R. Allen Phone (RAL): 44-1235-446480
>Space Science & Technology Department Ph (Oxford): 44-1865-272085
>Rutherford Appleton Laboratory Fax: 44-1235-445848
>Chilton, Didcot, OX11 0QX e-mail:
>United Kingdom
>On Thu, 5 Oct 2000, Phil Jones wrote:
>> Myles,
>> You have my data in OK. The warmth of the last few years seems to
>> be having an effect. Have you tried a similar exercise with the Mann et al.
>> data ?
>> 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
>> NR4 7TJ
>> UK
>> ----------------------------------------------------------------------------

No comments:

Post a Comment