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Politics : The Environmentalist Thread

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To: Nadine Carroll who wrote (11025)4/2/2007 1:53:32 PM
From: Wharf Rat  Read Replies (2) of 36921
 
Another really good try from our advanced general scientist. C--
Maybe the galaxy is slowing down, and there is less cosmic wind chill effect.

Answer: Urban Heat Island Effect has been examined quite thoroughly (PDF)http://www.ncdc.noaa.gov/oa/climate/research/population/article2abstract.pdf
and found to have a negligible effect on temperature trends. Real Climate has a detailed discussion of this here.http://www.realclimate.org/index.php?p=43
What's more, NASA GISS data.giss.nasa.gov
takes explicit steps in their analysis to remove any such spurious signal by normalizing urban station data trends to the surrounding rural stations. It is a real phenomenon, but it is one climate scientists are well aware of and have taken any required steps to remove its influence from the raw data.
gristmill.grist.org

ncdc.noaa.gov
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