For water and soil conservation and water pollution control, it is very important to simulate and predict the yield of sediment and pollutant during storm-runoff.

流域泥沙与非点源污染负荷的模拟与预测是水土保持和水污染控制管理的重要基础。 暴雨产沙与产污量过程的计算是模拟预测的一个重要环节。

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The purpose of the city storm surface runoff model is to draw the surf ace runoff hydrograph and simulate the process of storm runoff.

城市雨水地表径流模型的目的是推求城市雨水地表径流的流量过程线，从而模拟雨水的地表径流过程。

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The result shows that the peak of pollutant concentration is ahead of or synchronous with that of runoff, and heavy pollution occurs in initial period of storm runoff.

结果表明：污染物浓度的峰值一般提前或同步于径流量的峰值，初期径流污染较重；

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The students designed a progressive urban environment that can handle large amounts of storm-water runoff by using green technologies and major roadways as storm-water filtration and transport surfaces.

WHITEHOUSE: The White House

This cover acts as a giant sponge, absorbing rainfall and reducing polluted storm-water runoff.

FORBES: Magazine Article

There's also a section devoted to "green" roofs, both literally and figuratively, those planted to reduce New York's "heat-island" effect and storm-water runoff.

WSJ: Open-Air Status Symbols