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‘AGW? I refute it THUS!': Central England Temperatures 1659 to 2009
Posted By admin On January 14, 2010 @ 5:05 am In Commentary | Comments Disabled
London Telegraph 
Thursday, January 14th, 2010
If there’s anyone left you know who STILL believes in Anthropogenic Global Warming, you might want to show them this chart.
The Central England Temperature dataset is the oldest in the world – with 351 years of temperature records drawn from “multiple weather stations located both in urban and rural areas of England, which is considered a decent proxy for Northern Hemisphere temperatures – not perfect, but decent.” Climate Cycles Change provides the analysis.
The first characteristic of the graph to note is the green trend line. That line indicates an overall warming of 0.26°C per century rate since 1659. So, for some 350 years central England, and the world, have been warming. No big surprise there since Earth has been continuously warming since the end of the Little Ice Age; and, at the end of that 350 year trend line of warming is the first decade of the 21st century.
The second characteristic of the graph is that temperatures just seem to have this habit of going up and down, for extended periods. What’s really amazing is that they did this consistently before the large increase of human CO2 emissions, pre-1946. Okay, maybe that’s not so amazing since this is called temperature variability and represents the natural, dynamic nature of our climate….That variability, as displayed by the CET data in the graph, has experienced temperature changes as much as 2.5°C from one year to the next. A change of 2.5°C in a single year! Keep that figure in mind as we further analyze the dataset. Please note, the graph also reveals very similar temperature variability post-1946, after the huge atmospheric input of human CO2 emissions.
The Climate Cycles Change post was inspired by an analysis of CET done earlier this month by Czech physicist Lubos Motl , which is well worth reading. Because Climate Fear Promoters make such a big deal of warming trends in the last 30 years, Motl applied the same technique to the full dataset. Was the recent warming trend, as we’re so often told, dramatic and unprecedented?
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URL to article: http://www.prisonplanet.com/agw-i-refute-it-thus-central-england-temperatures-1659-to-2009.html
URLs in this post:
 London Telegraph: http://blogs.telegraph.co.uk/news/jamesdelingpole/100022226/agw-i-refute-it-thus-central-england-temperatures-1659-to-2009/
 Climate Cycles Change : http://www.c3headlines.com/2010/01/cet-temperatures.html
 Czech physicist Lubos Motl: http://motls.blogspot.com/2010/01/warming-trends-in-england-from-1659.html?utm_source=feedburner&utm_medium=feed&utm_campaign=Feed%3A+LuboMotlsReferenceFrame+%28Lubos+Motl%27s+reference+frame%29&utm_content=Google+Reader
 Image: http://www.prisonplanet.com/2009_christmas_special.htm
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