McKitrick: gridded climate data over land are likely not “climatically real” but result from data quality problems

Atmospheric Oscillations do not Explain the Temperature-Industrialization Correlation (PDF) (Statistics, Politics, and Policy, Volume 1, Issue 1, July 2010) Ross McKitrick, University of Guelph1 Abstract Gridded land surface temperature data products are used in climatology on the assumption that contaminating effects from urbanization, land-use change and related socioeconomic processes have been identified and filtered out,…

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World Weather Roundup

From the “weather is not climate department” Lots of odd weather events going on worldwide. Snow in Brazil Freeze in Boliva kills wildlfe Heatwave and fires in Russia – but it is not global warming

Russian Kola data refutes the Mann hockey stick

compare to this: I had mentioned this new dendro paper to Steve McIntyre, who wrote a short note about it while pointing out that: A news release on a new tree ring study here (h/t Anthony Watts) reported a reconstruction maxing out in the mid-20th century, with the characteristic late 20th century divergence problem. Their…