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Keywords:

  • Temperature;
  • Time series;
  • Homogeneity

Abstract

The development of homogeneous climatological time series is a crucial step in examining climate fluctuations and change. We review and test methods that have been proposed previously for detecting inhomogeneities, and introduce a new method we have developed. This method is based on a combination of regression analysis and non-parametric statistics. After evaluation against other techniques, using both simulated and observed data, our technique appears to have the best overall performance.