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Title | Roy Spencer, PhD. - Climate Change Research Scientist, Author, Former NASA |
Description | Books Climate Change Research Scientist, Author, Former NASA |
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WebSite | drroyspencer.com |
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US$24,008,963
Last updated: 2023-04-29 05:46:21
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Home/Blog Global Warming: Natural or Manmade? About Dr. Roy Spencer Global Warming 101 Research Articles & Simple Climate Model Global Warming Background Latest Global Temp. Anomaly (March ’23: +0.20°C) Urbanization Effects on GHCN Temperature Trends, Part IV: UHI Effects on Tmax and Tmin April 28th, 2023 This is part 4 of my series on quantifying Urban Heat Island (UHI) effects on surface air temperatures as reported in the monthly GHCN datasets produced by NOAA. In previous posts I showed results based upon monthly-average Tavg, which is the average of of daily maximum (Tmax) and minimum (Tmin) temperatures. Since late 2019, NOAA produces monthly average datasets for only Tavg, but since there are large differences in the UHI effects between Tmin and Tmax (urban warming is much larger at night than during the day, thus affecting Tmin more), John Christy wanted me to compute results for the older Tmax and Tmin datasets archived by NOAA. As I have discussed previously, our |
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