Abstract
Reservoir for drinking water supply is an important engineering measure to ensure water supply. However, with the frequent occurrence of water pollution in recent years, reservoirs for drinking water supply are faced with increasingly serious water quality risks. In this paper, taking the Songbaishan Reservoir in China as a typical reservoir with drinking water supply function, the water quality model of the Songbaishan Reservoir was constructed, the leakage scenario of sudden water pollution accident was simulated, the transfer and transformation process of the leakage pollutant Chemical Oxygen Demand, (COD), in the reservoir was simulated, and the impact of COD leakage on the water quality at the water intake was analyzed. The results showed that: (1) after sudden water pollution accident, COD will form pollutant clusters in the reservoir; (2) the peak concentration of pollutant clusters declines along the reservoir from upstream to downstream, but the sphere of influence gradually expands; (3) the peak COD concentration of the cross-section at water intake of the reservoir reaches 22.7 mg/L, and the water quality exceeds the standard for 4.8 days, indicating that sudden water pollution accident can have a significant adverse impact on reservoir water supply. In this study, possible impacts of sudden water pollution accidents on the water source reservoir are analyzed, and the results are of great significance for preventing and controlling reservoir water quality risks.
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Ran, J., Xu, M., Wang, Z. (2023). Simulation of Water Pollution in the Songbaishan Reservoir, China. In: Weng, CH. (eds) Proceedings of the 4th International Conference on Advances in Civil and Ecological Engineering Research. Lecture Notes in Civil Engineering, vol 292. Springer, Singapore. https://doi.org/10.1007/978-981-19-5783-3_29
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DOI: https://doi.org/10.1007/978-981-19-5783-3_29
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