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Sudden water pollution accidents and reservoir emergency operations: impact analysis at Danjiangkou Reservoir

机译：突发性水污染事故与水库应急行动：丹江口水库的影响分析

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摘要

Danjiangkou Reservoir is the source reservoir of the Middle Route of the South-to-North Water Diversion Project (MRP). Any sudden water pollution accident in the reservoir would threaten the water supply of the MRP. We established a 3-D hydrodynamic and water quality model for the Danjiangkou Reservoir, and proposed scientific suggestions on the prevention and emergency management for sudden water pollution accidents based on simulated results. Simulations were performed on 20 hypothetical pollutant discharge locations and 3 assumed amounts, in order to model the effect of pollutant spreading under different reservoir operation types. The results showed that both the location and mass of pollution affected water quality; however, different reservoir operation types had little effect. Five joint regulation scenarios, which altered the hydrodynamic processes of water conveyance for the Danjiangkou and Taocha dams, were considered for controlling pollution dispersion. The results showed that the spread of a pollutant could be effectively controlled through the joint regulation of the two dams and that the collaborative operation of the Danjiangkou and Taocha dams is critical for ensuring the security of water quality along the MRP.
机译：丹江口水库是南水北调中线工程的源头水库。水库中任何突然的水污染事故都会威胁到MRP的供水。建立了丹江口水库水动力3-D模型，并根据模拟结果对突发性水污染事故的预防和应急管理提出了科学建议。为了模拟污染物在不同水库作业类型下扩散的影响，对20个假设的污染物排放位置和3个假定的排放量进行了模拟。结果表明，污染的部位和数量都对水质产生影响。但是，不同的储层作业类型影响不大。为控制污染扩散，考虑了五个联合监管方案，这些方案改变了丹江口和陶岔水坝输水的水动力过程。结果表明，通过两个大坝的联合调节，可以有效地控制污染物的扩散，并且丹江口大坝和陶岔大坝的协同运行对于确保沿MRP的水质安全至关重要。

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  • 来源
    《Environmental Technology》 |2018年第8期|787-803|共17页
  • 作者

    Zheng Hezhen; Lei Xiaohui; Shang Yizi; Duan Yang; Kong Lingzhong; Jiang Yunzhong; Wang Hao;

  • 作者单位

    Zhejiang Univ, Inst Municipal Engn, Coll Civil Engn & Architecture, Hangzhou, Zhejiang, Peoples R China;

    China Inst Water Resources & Hydropower Res, State Key Lab Simulat & Regulat Water Cycle River, Beijing 100038, Peoples R China;

    China Inst Water Resources & Hydropower Res, State Key Lab Simulat & Regulat Water Cycle River, Beijing 100038, Peoples R China;

    China Univ Geosci Beijing, Beijing, Peoples R China;

    Zhejiang Univ, Inst Municipal Engn, Coll Civil Engn & Architecture, Hangzhou, Zhejiang, Peoples R China;

    China Inst Water Resources & Hydropower Res, State Key Lab Simulat & Regulat Water Cycle River, Beijing 100038, Peoples R China;

    Zhejiang Univ, Inst Municipal Engn, Coll Civil Engn & Architecture, Hangzhou, Zhejiang, Peoples R China;

  • 收录信息 美国《科学引文索引》(SCI);美国《生物学医学文摘》(MEDLINE);美国《化学文摘》(CA);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

    Danjiangkou Reservoir; hydrodynamic and water quality model; sudden water pollution accidents; dam emergency operation;

    机译：丹江口水库;水动力模型和水质模型;突发性水污染事故;大坝应急运行;

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