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EXCLUSIVE: Study Finds Temperature Adjustments Account For ‘Nearly All Of The Warming’ In Climate Data


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A new study found adjustments made to global surface temperature readings by scientists in recent years “are totally inconsistent with published and credible U.S. and other temperature data.”
“Thus, it is impossible to conclude from the three published GAST data sets that recent years have been the warmest ever – despite current claims of record setting warming,” according to a study published June 27 by two scientists and a veteran statistician.
The peer-reviewed study tried to validate current surface temperature datasets managed by NASA, NOAA and the UK’s Met Office, all of which make adjustments to raw thermometer readings. Skeptics of man-made global warming have criticized the adjustments.
Climate scientists often apply adjustments to surface temperature thermometers to account for “biases” in the data. The new study doesn’t question the adjustments themselves but notes nearly all of them increase the warming trend.:snip:

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Things Get Hot for Michael Mann

Michael Mann has stepped into a methane-emitting cowpile.
Mann is the Penn State climatologist famous for inventing the "hockey stick" graph promoting the notion that planetary temperatures spiked in the 20th century after a Golden Age of stasis. This graph was misleading at a minimum, the product of what Phil Jones, director of the Climate Research Unit of East Anglia termed "Mike's Nature trick" to "hide the decline." What Mann did was splice two separate data sets together to create the illusion of spiking temperatures; the graph spliced data sets together without differentiation, hiding the global temperature "decline" shown by the Briffa reconstruction set. 
Mann would use a number of statistical tricks to do away with the Medieval Warming Period, an embarrassment to the warm-mongers. He would hide data that disagreed with a sudden spike in temperature. Mann was the lead author of the IPCC Third Assessment Report chapter “Observed Climate Variability and Change” and his hockey stick was very influential in making governmental and international policy. Millions of dollars were affected by it.
Mann had the misfortune of being mentioned by name in the leaked CRU e-mails and so was caught. Not that he hadn't his detractors before; Ross McKitrick and Steve Macintyre eviscerated him in 2003, for example. Despite being caught red-handed (or is it green-handed in this case?) Mann continued to defend his work rather than go quietly into that good night.
 

 

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