Tom Adams wrote:
> I found this plot url referred to on the global warming news group:
>
> http://www.umweltluege.de/images/CO2-1812-1961.jpg
>
> It show a 440 ppm CO2 peak in the 1940's a few years before the
> Keeling Curve starts.
>
> Looks impossible. Is this some sort of fabrication?
I've seen something like this before (maybe from one of those Russian
guys, don't remember exactly). My recollection is that it's not an
outright fabrication but a plot of disparate, poorly controlled
measurements. Odd how the graph becomes much smoother once decent
measurements begin...
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