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An extreme May 2018 debris flood case study in northern Slovenia: analysis, modelling, and mitigation

机译：斯洛文尼亚北部的极端2018年5月碎片洪水案例研究：分析，建模和缓解

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摘要

Debris floods can cause large economic damage and endanger human lives. This paper presents an extreme May 2018 debris flood that occurred in northern Slovenia near the Krvavec ski resort and caused large economic damage. The debris flood was initiated by an extreme rainfall event with a return period of over 50 years. There were large differences in the measured rainfall amounts using different equipment. The estimated volume of the debris material during the event was 4000 m(3)/km(2)for the Brezovski graben. In order to mitigate the risk due to future debris flood and debris flow events, a check is planned to be constructed. The part of the design process is presented in this paper. Additionally, RAMMS model was used to validate the empirical equations that were used in the process of the check dam stability design. The model was calibrated using information about the deposition area. Two adjacent torrents were modelled, and we were not able to find a common RAMMS parameter set that would yield adequate simulation performance in both cases.
机译：碎片洪水可能会导致大量经济损害和危及人类生命。本文介绍了斯洛文尼亚北部发生的极端2018年5月泛滥，靠近Krvavec滑雪胜地，造成了巨大的经济损失。碎片洪水由一个极端的降雨事件发起，返回期超过50年。测量的降雨量使用不同设备的差异很大。对于Brezovski Graben，该活动期间碎屑材料的估计体积为4000米（3）/ Km（2）。为了减轻由于未来的碎片泛滥和碎片流动事件导致的风险，计划构建支票。本文提出了设计过程的一部分。此外，RAMMS模型用于验证在校验坝稳定性设计过程中使用的经验方程。使用有关沉积区域的信息进行校准模型。两个相邻的洪流被建模，我们无法找到一个常见的RAMM参数集，这将在这两种情况下产生足够的仿真性能。

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