Rainwater utilization has the functions of saving water resources, alleviating flood disaster, supplementing the groundwater, controlling runoff pollution and improving urban ecological environment.

雨水利用具有节约水资源、减缓洪涝灾害、补充地下水、控制径流污染和改善城市生态环境等作用。

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The specific research contents mainly include three parts: characteristics of urban runoff pollution, simulation of total pollution load, technology of ecological treatment.

具体的研究内容主要包括三大部分，分别是：城市径流污染特征研究、负荷总量模拟研究以及生态化处理技术研究。

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Storm runoff pollution has broad impacts and it is difficult to monitor, control and treat. So the quantitative estimation of pollution load is a key step for its control and management.

暴雨径流污染具有影响面广，监测、控制和处理困难而复杂的特点，其负荷定量化是进行治理与控制的重要基础与中心环节。

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In recent years, problems have fouled acquaculture's reputation: pollution from waste runoff, high disease and parasite rates due to a high density of fish and the uptake of industrial chemicals harmful to humans have combined to make fish less healthy to eat.

FORBES: Magazine Article

This river and rain runoff, combined with strong onshore winds, has led to high levels of sea pollution.

BBC: Where to go while Biarritz battles beach pollution

Stormwater runoff, caused by rainwater running off impervious pavement, is a principal cause of urban waterway pollution nationwide.

FORBES: Smart Communities will Build Green Infrastructure