That may be so but your 800,000 year period also ignores 98.8% of the
timescale of Rothman's paper.
Chuck Norcutt
Jan Steinman wrote:
>> From: Chuck Norcutt <chucknorcutt@xxxxxxxxxxxxxxxx>
>>
>> Well, check this paper by Rothman of MIT.
>> <http://www.pnas.org/cgi/content/full/99/7/4167>
>
> Interesting, but it seems the reliability and accuracy of his methods
> (isotopic ratios) are not nearly as robust as the more direct methods
> used for the past 800,000 years (gas and pollen trapped in ice
> cores), which indicate a very strong correlation between CO2 and
> temperature.
>
> In other words, the farther back you look, the fuzzier things get.
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