Research on emergency technology for sudden water pollution events in rivers based on space for time and water quality model reverse deduction

MO Qianwen; YANG Conggao; RUAN Hongjia; LI Guihong; ZHU Bingqiang; JIN Wei; HUANG Bin; PAN Xuejun

doi:10.13205/j.hjgc.202502011

Volume 43 Issue 2

Feb. 2025

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2025 > 43(2): 105-113

MO Qianwen, YANG Conggao, RUAN Hongjia, LI Guihong, ZHU Bingqiang, JIN Wei, HUANG Bin, PAN Xuejun. Research on emergency technology for sudden water pollution events in rivers based on space for time and water quality model reverse deduction[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(2): 105-113. doi: 10.13205/j.hjgc.202502011

Citation:

MO Qianwen, YANG Conggao, RUAN Hongjia, LI Guihong, ZHU Bingqiang, JIN Wei, HUANG Bin, PAN Xuejun. Research on emergency technology for sudden water pollution events in rivers based on space for time and water quality model reverse deduction[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(2): 105-113. doi: 10.13205/j.hjgc.202502011

Citation:

MO Qianwen, YANG Conggao, RUAN Hongjia, LI Guihong, ZHU Bingqiang, JIN Wei, HUANG Bin, PAN Xuejun. Research on emergency technology for sudden water pollution events in rivers based on space for time and water quality model reverse deduction[J]. ENVIRONMENTAL ENGINEERING , 2025, 43(2): 105-113. doi: 10.13205/j.hjgc.202502011

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Research on emergency technology for sudden water pollution events in rivers based on space for time and water quality model reverse deduction

doi: 10.13205/j.hjgc.202502011

1. Faculty of Environmental Science and Engineering, Kunming University of Science and Technology, Kunming 650093, China;
2. Kunming Ecological Environmental Engineering Assessment Center (Kunming Ecological Environment Protection Technology Application Center), Kunming 650200, China

Received Date: 2024-12-12
Accepted Date: 2025-01-14
Rev Recd Date: 2025-01-09

Abstract

Abstract

The purpose of this study was to provide a scientific basis for the formulation of emergency plans for the emergency water pollution events of alpine river watershed represented by the Pudu River Basin. Taking the Pudu River (Dianchi-Haikou Section), a first-level tributary of the upper reaches of the Yangtze River in Kunming as an example, the emergency spaces and facilities available for water pollution emergencies along the riverside were investigated, and their use strategy was analyzed. The accident situation was set up according to the characteristics of risk sources, and the mathematical model of pollutant diffusion and transport in river channels was established to determine the optimal emergency response plan for water pollution emergencies in the river basin. According to the amount of pollutants in accident leakage, the hydrological characteristics of the river, and on the premise of ensuring the water quality of the downstream protection target complying with the standard, the water quality model was used for the reverse calculation to determine the number of needed emergency spaces and facilities, as well as the launching sequence, and the space volume and location required for temporary emergency facilities. The results showed that Haikou Bridge Q1, gate dam Z1, and pit T1 along the river, diversion power station Y, and island J should be applied to formulate the emergency spaces to reduce pollutants. The emergency space could set aside a 24-minute buffer time for emergency response, and the pollution clusters were controlled, to prevent excessive pollution levels in the protection target, the section at the junction of Xishan District and Anning City (9500 m downstream from the leak point).
- emergency technology,
- sudden water pollution event,
- space for time,
- water quality model,
- emergency space and facilities

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References(20)

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