However, problems like urban runoff and sewer overflows continue to trouble local waterways.
尽管如此，诸如城市径流遭到污染以及污水外溢等问题仍然困扰着当地的河道。
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。
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。
The pollutants derive from a wealth of sources, including agriculture, factory discharges, consumer products, urban runoff and wastewater treatment plants.
污染物质的来源广泛，包括农业、工厂排放物、消费产品、城市河道和污水处理工厂。
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。
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 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。
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。
Recent studies of ancient Maya water management have found that the urban architecture of some cities was used to divert rainfall runoff into gravity-fed systems of interconnected reservoirs.
最近对古玛雅水资源管理的研究发现，一些城市的城市建筑被用来分流降雨径流到相互连接的水库的重力补给系统中。
Some time in the coming decades, the shrinking of glaciers will cause a drop in the level of glacial runoff, reducing the supply of water to urban Chileans.
在未来几十年里的某个时候，冰山的消融会减少冰山径流，从而减少对智利城市居民的用水供应。
It is a critical basis for utilization of rainfall resource and pollution control of runoff in urban area to understand runoff quality and its main influential factors.
掌握城区雨水径流水质及其主要的影响因素是有效地利用城区雨水资源和控制城市非点源污染的基础。
An urban rainwater runoff model is proposed, and its function and realization processes are introduced.
构建了城市雨水资源化径流模型，介绍了模型的功能和模型的实现过程。
The urban rainfall runoff pollution originates from the precipitation, the urban surface and the drainage system.
城市降水径流污染中的污染物主要来自降水、城市地表和排水系统。
Urban surface runoff is the second large non-point pollution source next to agriculture.
城市地表径流是仅次于农业面污染源的第二大面污染源。
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。
The water quality characteristic of urban road runoff and the situation of pollution control play important roles in the realization of the road rainfall harvesting irrigation.
道路径流水质特点以及污染物控制情况对道路集雨灌溉实现起着至关重要的作用。
The components in the urban stormwater runoff are very complicated, and its range of concentration change is very big, so it is very difficult to dispose of the urban stormwater runoff.
城市雨水径流污染物组分复杂，浓度变化大，可生化性差，排放间歇且无规律，故处理起来难度较大。
Storm water samples collected from an urban road in Xi′an City show that the urban road surface runoff has much greater pollution intensity of SS and COD and possess less biodegradability.
对西安市南二环路雨天路面径流排水进行了连续取样监测，表明城市道路路面径流污染物SS和COD具有很高的污染强度，且生物可降解性较差。
The process of runoff in urban area is mainly influenced by rainfall process and underlying surfaces variation.
城区降雨径流过程主要受降雨过程和下垫面变化的影响。
How to cut down the surface runoff, to exterminate or to reduce the disaster of urban water logging, protect the city's water ecosystem environment, have become an important topic concerned widely.
如何有效地削减暴雨径流，减少或根除城市水涝灾害，保护好城市水生态环境，已成为一个广受关注的重大课题。
Identified the main factor influencing urban rainfall-runoff pollution provides a scientific basis for urban rainfall-runoff pollution control and management.
识别影响城市降雨径流污染的主要因子是城市降雨径流污染治理和管理的前提和基础。
The urban greenland is a main component of city ecological system and plays an important role in removing the pollutants in urban surface runoff.
城市绿地是城市生态系统的重要组成部分，对于控制城市地表径流中污染物起到至关重要的作用。
The comparison of overseas and homeland control model is processed and a dual control model is put forward for the reference in the homeland decision making of urban rainfall runoff pollution control.
对国内外城市降雨径流污染控制模式进行了比较，并结合我国的实际情况，首次提出了双重控制模式，以期为我国城市降雨径流污染的控制与决策提供参考和借鉴。
Pollutant discharge of urban road runoff does not follow the regulation of Wash off model.
路面径流污染物排放不符合冲刷模型描述的排污规律。
The urban storm water runoff has itself characteristics and regulation.
城市雨洪水有其自身的一些特点和其内在的规律性。
The urban storm water runoff has itself characteristics and regulation.
城市雨洪水有其自身的一些特点和其内在的规律性。
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