Possible artifacts of data biases in the recent global surface warming hiatus
Karl, Thomas R. ; Arguez, Anthony ; Huang, Boyin ; Lawrimore, Jay H. ; McMahon, James R. ; Menne, Matthew J. ; Peterson, Thomas C. ; Vose, Russell S. ; Zhang, Huai-Min
Much study has been devoted to the possible causes of an apparent decrease in the upward trend of global surface temperatures since 1998, a phenomenon that has been dubbed the global warming "hiatus." Here, we present an updated global surface temperature analysis that reveals that global trends are higher than those reported by the Intergovernmental Panel on Climate Change, especially in recent decades, and that the central estimate for the rate of warming during the first 15 years of the 21st century is at least as great as the last half of the 20th century. These results do not support the notion of a "slowdown" in the increase of global surface temperature.
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