The development of a real-time flooding operation model in the Tseng-Wen Reservoir

Yu Wen Chen, Jui Pin Tsai, Liang Cheng Chang, Chih Chao Ho, You Cheng Chen

研究成果: Article同行評審

6 引文 斯高帕斯(Scopus)

摘要

Typhoon events occur frequently in Taiwan resulting in flood-related disasters. A well-operated reservoir can reduce the severity of a disaster. This study incorporates a genetic algorithm, a river hydraulic model, an artificial neural network and a simulation model of Tseng-Wen Reservoir to propose a real-time flooding operation model. The model includes two parts: an optimal flooding operation model (OFOM) and a reservoir inflow forecasting. Given an inflow condition, the OFOM is run based on the safety of the dam structure, reservoir flooding operation rule, and minimization of the downstream loss due to flood. A simple and robust model for reservoir inflow forecasting, which automatically chooses the most similar event from a typhoon event database as the future inflow, is developed. This study compares the model results with the real operations during Typhoons Sepat, Krosa, Kalmaegi, Fung-wong, Sinlaku, and Jangmi. This study compares the performances of the proposed model with the practical operation operated by the management center of Tseng-Wen Reservoir. The proposed model indicates shorter flooding duration in the downstream area. For example, the flood durations of the model output are 4 and 3 hours shorter during Typhoon Krosa and Sinlaku, respectively, than the practical operations.

原文English
頁(從 - 到)490-503
頁數14
期刊Hydrology Research
45
發行號3
DOIs
出版狀態Published - 2014

All Science Journal Classification (ASJC) codes

  • 水科學與技術

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