Articles | Volume 22, issue 10
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, Chenxiao Tang, Cees van Westen, and Victor Jetten

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Cited articles

Baartman, J. E., Jetten, V. G., Ritsema, C. J., and Vente, J.: Exploring effects of rainfall intensity and duration on soil erosion at the catchment scale using openLISEM: Prado catchment, SE Spain, Hydrol. Process., 26, 1034–1049,, 2012. 
Baggio, T., Mergili, M., and D'Agostino, V.: Advances in the simulation of debris flow erosion: The case study of the Rio Gere (Italy) event of the 4th August 2017, Geomorphology, 381, 107664,, 2021. 
bastianvandenbout: LISEM Project, GitHub [software],, last access: 23 August 2022. 
Bout, B., Van Westen, C. J., Lombardo, L., and Jetten, V.: Integration of two-phase solid fluid equations in a catchment model for flashfloods, debris flows and shallow slope failures, Environ. Model. Software, 105, 1–16,, 2018. 
Cance, A., Thiery, Y., Fressard, M., Vandromme, R., Maquaire, O., Reid, M. E., and Mergili, M.: Influence of complex slope hydrogeology on landslide susceptibility assessment: the case of the Pays d'Auge, Normandy, France, In Journées Aléas Gravitaires, (last access: 23 August 2022), 2017. 
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.
Final-revised paper