Berkeley Earth Surface Temperature Study

by Sabrina I. Pacifici on October 30, 2011

“The most important indicator of global warming, by far, is the land and sea surface temperature record. This has been criticized in several ways, including the choice of stations and the methods for correcting systematic errors. The Berkeley Earth Surface Temperature study sets out to to do a new analysis of the surface temperature record in a rigorous manner that addresses this criticism. We are using over 39,000 unique stations, which is more than five times the 7,280 stations found in the Global Historical Climatology Network Monthly data set (GHCN-M) that has served as the focus of many climate studies. Our aim is to resolve current criticism of the former temperature analyses, and to prepare an open record that will allow rapid response to further criticism or suggestions. Our results include not only our best estimate for the global temperature change, but estimates of the uncertainties in the record.”

  • “The Berkeley Earth Surface Temperature Study has created a preliminary merged data set by combining 1.6 billion temperature reports from 15 preexisting data archives…The Berkeley Earth team has completed the analysis of the full data set, and summary charts are posted here. The Berkeley Earth team has already started to benefit from feedback from our peers, so these figures are more up-to-date than the figures in our papers submitted for peer review. In particular, the data from NASA GISS has been updated to be more directly comparable to the land-average constructed by Berkeley Earth and NOAA.”
  • The Economist: A new analysis of the temperature record leaves little room for the doubters. The world is warming
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