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Open AccessArticle

An Approach Based on the Protected Object for Dam-Break Flood Risk Management Exemplified at the Zipingpu Reservoir

State Key Laboratory of Hydraulics and Mountain River Engineering, Sichuan University, 24 South Section 1, Ring Road No. 1, Chengdu 610065, China
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Int. J. Environ. Res. Public Health 2019, 16(19), 3786; https://doi.org/10.3390/ijerph16193786
Received: 16 September 2019 / Revised: 29 September 2019 / Accepted: 30 September 2019 / Published: 8 October 2019
(This article belongs to the Section Environmental Science and Engineering)
Dam-break flooding is a potential hazard for reservoirs that poses a considerable threat to human lives and property in downstream areas. Assessing the dam-break flood risk of the Zipingpu Reservoir in Chengdu, Sichuan Province, China, is critically important because this reservoir is located on the Longmen Shan fault, which experiences high seismic activity. In this paper, we develop an approach based on the protected object for dam-break flood risk management. First, we perform a numerical simulation of dam-break flooding in four possible dam break scenarios. Next, the flood areas are divided into 71 analysis units based on the administrative division. Based on the numerical simulation results and the socio-economic demographic data affected by a flood, the importance and risk level of each analysis unit is confirmed, and the flood risk map is established according to the classification results. Finally, multi-level flood risk management countermeasures are proposed according to the results of the unit classification shown in the map. View Full-Text
Keywords: dam-break flood; risk management; numerical simulation; classification method; Zipingpu Reservoir dam-break flood; risk management; numerical simulation; classification method; Zipingpu Reservoir
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Fan, C.; An, R.; Li, J.; Li, K.; Deng, Y.; Li, Y. An Approach Based on the Protected Object for Dam-Break Flood Risk Management Exemplified at the Zipingpu Reservoir. Int. J. Environ. Res. Public Health 2019, 16, 3786.

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