Naravne in umetne pregrade ter z njimi povezani hidro-geomorfni procesi // Natural and man-made dams and related hydro-geomorphic processes

Blaž Komac, Matija Zorn

DOI: http://dx.doi.org/10.3986/GV88204

Abstract

V članku predstavljamo hidro-geomorfne procese, ki so povezani z naravnimi in umetnimi pregradami. Ob zajezitvah, ki nastajajo za pregradami, prihaja zaradi različnih vzrokov, kot je nihanje vodne gladine, do proženja zemeljskih plazov in skalnih podorov. Takšni pojavi lahko povzročijo prelitje ali podrtje naravnih pa tudi umetnih pregrad. V tem oziru posebej poudarjamo Vajontski zdrs, ki je zaradi človeškega vzroka, velikosti in katastrofalnih posledic eden bolj znanih tovrstnih pojavov v Evropi. Predstavljamo tudi povečini spregledane pojave v Sloveniji ter nekaj večjih pojavov po svetu.

The article presents hydro-geomorphic processes associated with natural and artificial dams. Landslides and rockfalls are triggered behind the dams due to different causes, e.g. fluctuation of the water level. Such phenomena can cause overspilling or demolish natural and artificial dams. In this regard, the article presents the Vaiont rockslide, which is due to human-related causes, its size and the catastrophic consequences one of the most well-known phenomena in Europe. Some other examples from the world and in Slovenia are presented.

Keywords

geografija; hidro-geomorfni procesi; skalni podor; zemeljski plaz; plazovne pregrade; poplave; porušitev jezov; prožnost; // ; geography; hydro-geomorphic processes; rockfall; landslide; landslide dams; floods; dam breach; resilience

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DOI: http://dx.doi.org/10.3986/GV88204

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