articleQuarterly Journal of the Royal Meteorological SocietyJul 3, 2019BRONZE OA

Towards a more reliable historical reanalysis: Improvements for version 3 of the Twentieth Century Reanalysis system

LSLaura SlivinskiGPGilbert P. CompoJSJeffrey S. WhitakerPDPrashant D. SardeshmukhBSBenjamin S. Giese

Cooperative Institute for Research in Environmental Sciences · University of Colorado Boulder · +39 more institutions

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Abstract

Historical reanalyses that span more than a century are needed for a wide range of studies, from understanding large‐scale climate trends to diagnosing the impacts of individual historical extreme weather events. The Twentieth Century Reanalysis (20CR) Project is an effort to fill this need. It is supported by the National Oceanic and Atmospheric Administration (NOAA), the Cooperative Institute for Research in Environmental Sciences (CIRES), and the U.S. Department of Energy (DOE), and is facilitated by collaboration with the international Atmospheric Circulation Reconstructions over the Earth initiative. 20CR is the first ensemble of sub‐daily global atmospheric conditions spanning over 100 years. This…

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Keywords
  • Climatology
  • Data assimilation
  • Environmental science
  • Earth system science
  • Meteorology
  • Atmospheric research
  • Precipitation
  • Atmospheric pressure
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