Pure risk premium rating of debris flows based on a dynamic run-out model: a case study in Anzhou, China

Zhifei Deng, Jifu Liu (), Lanlan Guo (), Jiaoyang Li, Junming Li and Yiru Jia
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Zhifei Deng: Beijing Normal University
Jifu Liu: Beijing Normal University
Lanlan Guo: Beijing Normal University
Jiaoyang Li: Beijing Normal University
Junming Li: Beijing Normal University
Yiru Jia: Beijing Normal University

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2021, vol. 106, issue 1, No 10, 235-253

Abstract: Abstract Debris flow risk is growing with the current increases in landscape exploitation and extreme precipitation events associated with global warming. Insurance is an efficient approach to cope with disasters. Based on the quantitative assessment, the debris flow hazard was obtained by a dynamic run-out model (FLO-2D), and the pure risk premiums of debris flow disaster were rating in a high-risk region (Anzhou) in Sichuan, China. Simulation results indicated that disastrous debris flows would reoccur every 5 years on average under the contemporary climatic and geological conditions of the study area. The mountain region experienced a wider area affected by debris flows than plains and hills; however, its area affected by low debris flow depth (d

Keywords: Debris flow; Risk; FLO-2D; Pure risk premium (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s11069-020-04459-x

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