Later On

A blog written for those whose interests more or less match mine.

Global warming denier admits his error

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This is remarkable:

We all make mistakes. And even the most humble among us can be a little self-righteous when it comes to our pet projects. But when was the last time you came across a self-righteous pseudo-skeptic who had the decency to admit to getting it completely wrong? Meet Steven Goddard of The Register, a peculiar little news outlet published in London. Sort of. Goddard wrote a piece that appeared on Aug. 15 under the bold headline “Arctic ice refuses to melt as ordered.” As anyone who has been following the plunging arctic sea-ice extent graphs at the National Sea Ice Data Center can attest, this is a rather peculiar interpretation of the data.

Goddard’s article is rife with scientific errors and evidence of his lack of familiarity with the science. His main argument, that the ice area up there is 30% larger than last year, not just 10%, is the product of the fact that Goddard based his story on his own analysis of images from the NSIDC and other sources. That analysis, which consisted entirely of counting white pixels, led to language like this:

The Arctic did not experience the meltdowns forecast by NSIDC and the Norwegian Polar Year Secretariat. It didn’t even come close. Additionally, some current graphs and press releases from NSIDC seem less than conservative. There appears to be a consistent pattern of overstatement related to Arctic ice loss.

Which prompted the good people at the NSIDC to offer a rebuttal. It turns out that Goddard got confused because he didn’t take into account map-projection distortion differences between competing images. Walt Meier of the NSIDC wrote that

Besides this significant error, the rest of the article consists almost entirely of misleading, irrelevant, or erroneous information about Arctic sea ice that add nothing to the understanding of the significant long-term decline that is being observed.

Continue reading.

Written by Leisureguy

26 August 2008 at 11:34 am

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