In order to explore the ecological water requirement of rivers for different purposes, the case of Liuli River in Beijing Fangshan district was studied. The meaning and methods of calculation… Click to show full abstract
In order to explore the ecological water requirement of rivers for different purposes, the case of Liuli River in Beijing Fangshan district was studied. The meaning and methods of calculation of environmental water requirement and ecological water requirement were defined. In this paper, environmental water requirement and ecological water requirement were calculated in the same project for the first time. Because the sewage treatment plant will be operated in 2021, sewage will continue to be discharged into Liuli River in 2019 and 2020. Before the operation of sewage treatment plant, the function of environmental water requirement is to eliminate sewage. However, after operation, the function of ecological
               
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