Articles | Volume 28, issue 23
https://doi.org/10.5194/hess-28-5229-2024
https://doi.org/10.5194/hess-28-5229-2024
Research article
 | 
05 Dec 2024
Research article |  | 05 Dec 2024

Determining the threshold of issuing flash flood warnings based on people's response process simulation

Ruikang Zhang, Dedi Liu, Lihua Xiong, Jie Chen, Hua Chen, and Jiabo Yin

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Cited articles

Ambühl, J.: Customer oriented warning systems, Veröffentlichung Meteoschweiz Nr. 84, 1–86, https://www.meteosvizzera.admin.ch/dam/jcr:74b518b0-e768-4b06-b6bb-d8dd2286e066/veroeff84.pdf (last access: 3 December 2024), 2010. 
Anshuka, A., van Ogtrop, F. F., Sanderson, D., and Leao, S. Z.: A systematic review of agent-based model for flood risk management and assessment using the ODD protocol, Nat. Hazards, 112, 2739–2771, 2022. 
Bodoque, J. M., Diez-Herrero, A., Amerigo, M., Garcia, J. A., and Olcina, J.: Enhancing flash flood risk perception and awareness of mitigation actions through risk communication: A pre-post survey design, J. Hydrol., 568, 769–779, 2019. 
Boelee, L., Lumbroso, D. M., Samuels, P. G., and Cloke, H. L.: Estimation of uncertainty in flood forecasts-A comparison of methods, J. Flood Risk Manag., 12, e12516, https://doi.org/10.1111/jfr3.12516, 2019. 
Borga, M., Comiti, F., Ruin, I., and Marra, F.: Forensic analysis of flash flood response, WIREs Water, 6, e1338, https://doi.org/10.1002/wat2.1338, 2019. 
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Short summary
Flash flood warnings cannot be effective without people’s responses to them. We propose a method to determine the threshold of issuing warnings based on a people’s response process simulation. The results show that adjusting the warning threshold according to people’s tolerance levels to the failed warnings can improve warning effectiveness, but the prerequisite is to increase forecasting accuracy and decrease forecasting variance.
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