Comments on: Trends in Peterson 2003 http://climateaudit.org/2007/08/04/1859/ by Steve McIntyre Fri, 24 May 2013 01:54:18 +0000 hourly 1 http://wordpress.com/ By: Is It Really The Warmest Ever? - Energy TribuneEnergy Tribune http://climateaudit.org/2007/08/04/1859/#comment-365226 Sun, 21 Oct 2012 16:10:34 +0000 http://www.climateaudit.org/?p=1859#comment-365226 [...] used a paper by Peterson (2003) to justify the removal of the urban adjustment. Steve McIntyre challenged NOAA’s Peterson (2003), who had said, “Contrary to generally accepted [...]

]]> By: NOAA, CONGRESS, USHCNV2 and an Expensive New Climate Network « The Excellence In Weather Network http://climateaudit.org/2007/08/04/1859/#comment-238401 Mon, 09 Aug 2010 15:17:57 +0000 http://www.climateaudit.org/?p=1859#comment-238401 [...] Steve McIntyre challenged NOAA’s Peterson (2003), who had said, “Contrary to generally accepted wisdom, no statistically significant impact of urbanization could be found in annual temperatures” by showing that the difference between urban and rural temperatures for Peterson’s own 2003 station set was 0.7C and between temperatures in large cities and rural areas 2C (below, enlarged here).  [...]

]]> By: Cool it Bozos: Sid Harth « News, Views and Reviews: Sid Harth http://climateaudit.org/2007/08/04/1859/#comment-236205 Fri, 23 Jul 2010 22:08:10 +0000 http://www.climateaudit.org/?p=1859#comment-236205 [...] Trends in Peterson 2003 by Stephen [...]

]]> By: Download the full IPCC report for free - Page 5 - The Environment Site Forums http://climateaudit.org/2007/08/04/1859/#comment-234632 Thu, 08 Jul 2010 08:05:25 +0000 http://www.climateaudit.org/?p=1859#comment-234632 [...] [...]

]]> By: Download the full IPCC report for free - Page 4 - The Environment Site Forums http://climateaudit.org/2007/08/04/1859/#comment-234631 Thu, 08 Jul 2010 07:54:51 +0000 http://www.climateaudit.org/?p=1859#comment-234631 [...] [...]

]]> By: Peterson's "Urban" Sites « Climate Audit http://climateaudit.org/2007/08/04/1859/#comment-226500 Wed, 31 Mar 2010 16:49:49 +0000 http://www.climateaudit.org/?p=1859#comment-226500 [...] Peterson's "Urban" Sites I posted up the list of 289 sites from Peterson 2003 purporting to show that the difference between “urban” and rural sites was negligible. (See related posts here and here.) [...]

]]> By: Peterson (2003) « Climate Audit http://climateaudit.org/2007/08/04/1859/#comment-226498 Wed, 31 Mar 2010 16:49:43 +0000 http://www.climateaudit.org/?p=1859#comment-226498 [...] I haven’t done any further tests on this yet, but spot checking of some clusters seems quite practical. Though the basis for selection of these comparisons seems very unclear. See related posts here and here.) [...]

]]> By: Climate science made easy: Please include this child’s lesson on the urban heat island effect in your next movie, Mr. Gore at The Global Warming Challenge http://climateaudit.org/2007/08/04/1859/#comment-97868 Mon, 12 Oct 2009 21:44:33 +0000 http://www.climateaudit.org/?p=1859#comment-97868 [...] For an earlier discussion of this issue, see Steve McIntyre’s 2007 essay “Trends in Peterson 2003″. [...]

]]> By: cool dude ragnar http://climateaudit.org/2007/08/04/1859/#comment-97867 Thu, 19 Mar 2009 04:09:06 +0000 http://www.climateaudit.org/?p=1859#comment-97867 The issue of “rural” vs. “urban” I guess should be explored using elementary exploratory techniques like PCA/PCR plots? A simple set of such gifs may demonstrate clearly some interesting clusterings among stations, like “urban” vs “rural”.

Greetings, ragnar

]]> By: Bishop Hill http://climateaudit.org/2007/08/04/1859/#comment-97866 Mon, 29 Dec 2008 20:17:42 +0000 http://www.climateaudit.org/?p=1859#comment-97866 There’s an interesting project here run by the Royal Meterological Society using schoolchildren to measure UHI at a single point in time across a number of UK cities. Unfortunately they don’t seem to have asked for windspeed measurements at the same time, although from their documentation they are aware of the claims about the effect being negligible.

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