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Article Dans Une Revue Theoretical and Applied Climatology Année : 2017

Comparison of extreme precipitation characteristics between the Ore Mountains and the Vosges Mountains (Europe)

Jana Minářová
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Miloslav Müller
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Alain Clappier
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Marek Kašpar
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Résumé

Understanding the characteristics of extreme precipitation events (EPEs) not only helps in mitigating the hazards associated with it but will also reduce the risks by improved planning based on the detailed information, and provide basis for better engineering decisions which can withstand the recurring and likely more frequent events predicted in future in the context of global climate change. In this study, extremity, temporal and spatial characteristics, and synoptic situation of the 54 EPEs that occurred during 1960–2013 were compared between two low mountain ranges situated in Central Europe: the Ore Mountains (OM) and Vosges Mountains (VG). The EPEs were defined using the Weather Extremity Index, which quantifies the extremity, duration, and spatial extent of events. Comparative analysis of EPE characteristics showed that in both regions the EPEs were mostly short (lasted 1–2 days) and their seasonal occurrence significantly depended on the synoptic situation and duration of EPEs; the low was related to summer short EPEs, while zonal circulation to winter long EPEs. The EPEs were generally related to lows in OM and to troughs in VG. The lows often moved to OM from the Mediterranean area, i.e. along the Vb track. However, five EPEs in VG occurred during a low with Vb track significantly deflected westwards. The EPEs in VG affected smaller area as compared to that in OM. The comparison of EPEs between the two low mountain ranges is first of its kind and contributes to the understanding of EPE characteristics in the regions.
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Dates et versions

hal-03235735 , version 1 (25-05-2021)

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Citer

Jana Minářová, Miloslav Müller, Alain Clappier, Marek Kašpar. Comparison of extreme precipitation characteristics between the Ore Mountains and the Vosges Mountains (Europe). Theoretical and Applied Climatology, 2017, 133 (3-4), pp.1249-1268. ⟨10.1007/s00704-017-2247-x⟩. ⟨hal-03235735⟩

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