Articles | Volume 22, issue 10
Nat. Hazards Earth Syst. Sci., 22, 3183–3209, 2022
https://doi.org/10.5194/nhess-22-3183-2022
Nat. Hazards Earth Syst. Sci., 22, 3183–3209, 2022
https://doi.org/10.5194/nhess-22-3183-2022
Research article
06 Oct 2022
Research article | 06 Oct 2022

Physically based modeling of co-seismic landslide, debris flow, and flood cascade

Bastian van den Bout et al.

Data sets

OpenLisem Multi-Hazard Model and Datasets, Faculty of Geo-Information and Earth Sciences B. van den Bout https://doi.org/10.17026/dans-z6j-eepm

Model code and software

bastianvandenbout/LISEM: Beta 0.2.4 B. van den Bout https://doi.org/10.5281/zenodo.7016476

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Short summary
Natural hazards such as earthquakes, landslides, and flooding do not always occur as stand-alone events. After the 2008 Wenchuan earthquake, a co-seismic landslide blocked a stream in Hongchun. Two years later, a debris flow breached the material, blocked the Min River, and resulted in flooding of a small town. We developed a multi-process model that captures the full cascade. Despite input and process uncertainties, probability of flooding was high due to topography and trigger intensities.
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