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Climate of the Past An interactive open-access journal of the European Geosciences Union
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Volume 3, issue 1 | Copyright
Clim. Past, 3, 65-76, 2007
https://doi.org/10.5194/cp-3-65-2007
© Author(s) 2007. This work is licensed under
the Creative Commons Attribution-NonCommercial-ShareAlike 2.5 License.

  06 Feb 2007

06 Feb 2007

On the variability of return periods of European winter precipitation extremes over the last three centuries

A. Pauling1 and H. Paeth2 A. Pauling and H. Paeth
  • 1Institute of Geography, University of Bern, Hallerstrasse 12, 3012 Bern, Switzerland
  • 2Geographical Institute, University of Würzburg, Am Hubland, 97074 Würzburg, Germany

Abstract. We investigate the changes of extreme European winter (December-February) precipitation back to 1700 and show for various European regions that return periods of extremely wet and dry winters are subject to significant changes both before and after the onset of anthropogenic influences. Generally, winter precipitation has become more extreme. We also examine the spatial pattern of the changes of the extremes covering the last 300 years where data quality is sufficient. Over central and Eastern Europe dry winters occurred more frequently during the 18th and the second part of the 19th century relative to 1951–2000. Dry winters were less frequent during both the 18th and 19th century over the British Isles and the Mediterranean. Wet winters have been less abundant during the last three centuries compared to 1951–2000 except during the early 18th century in central Europe. Although winter precipitation extremes are affected by climate change, no obvious connection of these changes was found to solar, volcanic or anthropogenic forcing. However, physically meaningful interpretation with atmospheric circulation changes was possible.

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