Stvarni odzivi na naravne nesreče v 16. in 17. stoletju: primeri z ozemlja današnje Slovenije in njene okolice

Zwitter, Žiga

doi:10.4312/dela.43.1.5-28

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“…Evidently, the further back in time we go, fewer and fewer records of flash floods are preserved. On the other hand, quality and geographically relevant information on floods is preserved in sources dating back as far as the 15th century (Zwitter, 2015). Nonetheless, it generally holds true that for the period before 19th century records on floods in Slovenia have, some exceptions aside, not been accumulated (yet).…”

Section: Discussionmentioning

confidence: 99%

Frequency and seasonality of flash floods in Slovenia

Trobec¹

2017

Geographica Pannonica

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The purpose of this paper is to assess and analyse the dynamics of flash flooding events in Slovenia. The paper examines in particular the frequency of flash floods and their seasonal distribution. The methodology is based on the analysis of historical records and modern flood data. The results of a long-term frequency analysis of 138 flash floods that occurred between 1550 and 2015 are presented. Because of the lack of adequate historical flood data prior to 1950 the main analysis is based on data for the pe-riodbetween1951 and2015, while the analysis of data for the period between1550 and1950 is added as a supplement to the main analysis. Analysis of data for the period after 1950 shows that on average 1.3 flash floods occur each year in Slovenia. The linear trend for the number of flash floods is increasing but is not statistically significant. Despite the fact that the majority of Slovenian rivers have one of the peaks in spring and one of the lows in summer, 90% of flash floods actually occur during meteorological summer or autumn-i.e. between June and November, which shows that discharge regimes and flood regimes are not necessarily related. Because of the lack of flood records from the more distant past as well as the large variability of flash flood events in the last several decades, we cannot provide a definitive answer to the question about possible changes in their frequency and seasonality by relying solely on the detected trends. Nevertheless, considering the results of analysis and future climate change scenarios the frequency of flash floods in Slovenia could increase while the period of flash flood occurrence could be extended.

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Section: Discussionmentioning

confidence: 99%

Frequency and seasonality of flash floods in Slovenia

Trobec¹

2017

Geographica Pannonica

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show abstract

Stvarni odzivi na naravne nesreče v 16. in 17. stoletju: primeri z ozemlja današnje Slovenije in njene okolice

Cited by 1 publication

References 2 publications

Frequency and seasonality of flash floods in Slovenia

Frequency and seasonality of flash floods in Slovenia

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