Abstract
AbstractLeva reka debris flow (Kraljevo area, Serbia) was triggered by extreme rainfall in May 2014 in Serbia. A Huge amount of weathered Cretaceous flysch material formed debris dam, over 10m high, and made a lake on Leva reka (about 150m long, and 5m deep). Debris flow appears in an active ravine with the occasional stream flow. The debris flow is about 400m long, 100 wide at widest part, and about 30 m deep in deepest main part. Digital Elevation Model and orthophoto images were obtained by UAV survey in very high resolution as a detailed topographic input model, as well to define recomposition of material after displacement. A numerical modeling was made in RAMMS® software, which is based on Voellmy friction law. Main models, gave information about maximum flow height, velocity, and pressure in different parts.
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