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20th Century Reanalysis Project

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Abstract

The goal of this project is to use a Kalman filter-based technique to produce a global tropospheric circulation dataset at four-times-daily resolution back to 1851. Previously, the only dataset available for the early 20th century consisted of error-ridden hand-drawn analyses of the mean sea level pressure field over the Northern Hemisphere. Modern data assimilation systems have the potential to improve upon these maps, but prior to 1948, few digitized upper-air sounding observations are available for such a reanalysis.

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©2010 The Regents of the University of California

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gilbert.p.compo@noaa.gov

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©2010 The Regents of the University of California

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Cite this work

Researchers should cite this work as follows:

  • (2019), "20th Century Reanalysis Project," https://sciencegateways.org/resources/20thcenturyreanalysisproject.

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