The basic theory of soil and water loss research has been provided by combining the several physical laws of energy with rain and runoff on slope.

把能量中的几个物理定律同降雨、坡面径流联系起来，为进一步研究水上流失提供了理论基础。

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Stormflow consists of phreatic water, surface runoff and weather horizon-passing rain. The rise and drop of their discharge are consistent with that of the river discharge after rain.

潜水河雨后地表径流由地表下潜水、雨水地面上径流、雨水风化层径流构成，三部分水均随河道流量的增减而增减。

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Through the analysis and measuring of the water quality of roof rain-runoff in Handan city, it is found that the water quality of roof rain-runoff is polluted seriously.

通过对邯郸市城区屋面雨水径流水质进行分析测定，发现城区雨水径流水质污染严重。

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