Articles | Volume 26, issue 20
https://doi.org/10.5194/hess-26-5269-2022
https://doi.org/10.5194/hess-26-5269-2022
Research article
 | 
20 Oct 2022
Research article |  | 20 Oct 2022

A time-varying distributed unit hydrograph method considering soil moisture

Bin Yi, Lu Chen, Hansong Zhang, Vijay P. Singh, Ping Jiang, Yizhuo Liu, Hexiang Guo, and Hongya Qiu

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Latest update: 10 Oct 2024
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Short summary
An improved GIS-derived distributed unit hydrograph routing method considering time-varying soil moisture was proposed for flow routing. The method considered the changes of time-varying soil moisture and rainfall intensity. The response of underlying surface to the soil moisture content was considered an important factor in this study. The SUH, DUH, TDUH and proposed routing methods (TDUH-MC) were used for flood forecasts, and the simulated results were compared and discussed.