After the Three Gorges Reservoir starts running, it can not only take into consideration the interest of departments such as flood control, power generation, water supply, and shipping, but also reduce or eliminate th...After the Three Gorges Reservoir starts running, it can not only take into consideration the interest of departments such as flood control, power generation, water supply, and shipping, but also reduce or eliminate the adverse effects of pollutants by discharge regulation. The evolution of pollutant plumes under different operation schemes of the Three Gorges Reservoir and three kinds of pollutant discharge types were calculated with the MIKE 21 AD software. The feasibility and effectiveness of the reservoir emergency operation when pollution accidents occur were investigated. The results indicate that the emergency operation produces significant effects on the instantaneous discharge type with lesser effects on the constant discharge type, the impact time is shortened, and the concentration of pollutant is reduced. Meanwhile, the results show that the larger the discharge is and the shorter the operation duration is, the more favorable the result is.展开更多
Emerging pollutants are synthetic or chemical or micro-organic contaminants unregulated,which constitutes potent risks and dangers for human environment and,finally,its health.However,due to their potential risks in p...Emerging pollutants are synthetic or chemical or micro-organic contaminants unregulated,which constitutes potent risks and dangers for human environment and,finally,its health.However,due to their potential risks in production,use and contamination,both states and the public are hardly aware of their potential damages done to health and the environment before it is a little too late.New forms of pollutants are emerging for modern world with unprecedented risks worthy of wariness.The present article explores the categories of newly emerging pollutants,analyses their features and attempts to come up with technological and managerial solutions in managing emerging pollutants of such nature as organic pollutants,Environmental Endocrine Disruptors,etc.The paper also provides suggestions in taking actions leading to effective management and treatment of the emerging pollutants.展开更多
基金supported by the Nonprofit Scientific Research Project of the Ministry of Water Resources of China (Grant No. 20081035)the National Fund for Major Projects of Water Pollution Control (Grant No. 2009ZX07104-006)
文摘After the Three Gorges Reservoir starts running, it can not only take into consideration the interest of departments such as flood control, power generation, water supply, and shipping, but also reduce or eliminate the adverse effects of pollutants by discharge regulation. The evolution of pollutant plumes under different operation schemes of the Three Gorges Reservoir and three kinds of pollutant discharge types were calculated with the MIKE 21 AD software. The feasibility and effectiveness of the reservoir emergency operation when pollution accidents occur were investigated. The results indicate that the emergency operation produces significant effects on the instantaneous discharge type with lesser effects on the constant discharge type, the impact time is shortened, and the concentration of pollutant is reduced. Meanwhile, the results show that the larger the discharge is and the shorter the operation duration is, the more favorable the result is.
基金supported by the National Social Science Fund of China (Grant Nos. 20VHQ004, 17BGJ046)。
文摘Emerging pollutants are synthetic or chemical or micro-organic contaminants unregulated,which constitutes potent risks and dangers for human environment and,finally,its health.However,due to their potential risks in production,use and contamination,both states and the public are hardly aware of their potential damages done to health and the environment before it is a little too late.New forms of pollutants are emerging for modern world with unprecedented risks worthy of wariness.The present article explores the categories of newly emerging pollutants,analyses their features and attempts to come up with technological and managerial solutions in managing emerging pollutants of such nature as organic pollutants,Environmental Endocrine Disruptors,etc.The paper also provides suggestions in taking actions leading to effective management and treatment of the emerging pollutants.
