the impacts of rainfall pattern of short duration storm on urban runoff are obvious. in this paper the data of four raingauge stations are classified and counted by the fuzzy mode recognition method.
采用模糊模式识别方法对我国四个雨量站的雨型进行分类和统计,获得了短历时暴雨雨型的分布特性;
and made the production and receiving pollution process together by taking the ideology of quantity control as reference in order to get the total quantity control objective of urban runoff pollution.
并且通过引入「总量控制」思想,将产污与纳污有机结合起来,得到城市径流污染负荷的「总量控制目标」。
quantitative approaches for nfs pollutant loading assessment(1) pollutant loading model for urban runoff was developed.
非点源污染负荷定量化评价方法: (1)建立了城市径流污染负荷模型。
urban runoff pollution is serious especially for earlier runoff and it is one of the reasons that lead to water body eutrophic, algal bloom and red tide on sea.
城市雨水径流特别是初期雨水污染严重,是水体富营养化、华以及海域赤潮等环境问题产生的根源之一。
the pollution impact to the surface water bodies caused by urban runoff has received more and more attention.
城市地表径流对地表水体造成的污染影响已越来越受到人们的关注。
this paper discusses the rise of runoff quantity, the decrease of its drain time and their consequences because of urban development, and the benefit of recharge of urban runoff to groundwater .
城市扩张带来雨水径流量增大、排出时间缩短并由此产生一系列后果。对城区雨水回灌地下的效益进行了讨论。
the effects of country living contamination, urban runoff contamination, livestock and poultry farm runoff and other pollutions on the water environment make the water body suffering hard.
加上农村生活污染、城市径流污染、畜禽养殖污染及农田径流等非点源污染的影响,水环境已难承其重。
the specific research contents mainly include three parts: characteristics of urban runoff pollution, simulation of total pollution load, technology of ecological treatment.
the pollutants derive from a wealth of sources, including agriculture, factory discharges, consumer products, urban runoff and wastewater treatment plants.