urban runoff Articles

  • Urban Runoff

    Urban runoff is surface runoff of rainwater created by urbanization. This runoff is a major source of water pollution in many parts of the ...


    By IWA Publishing

  • Alkylphenols in atmospheric depositions and urban runoff

    A sampling campaign was conducted in order to determine alkylphenol (AP) concentrations in stormwater as well as potential AP sources in suburban environments. An analytical procedure was developed to quantify APs in bulk atmospheric deposition, building runoff, road runoff and stormwater. Both nonylphenols and octylphenols could be quantified in each sample. Median stormwater concentrations ...


    By IWA Publishing

  • Measurement of cyanide in urban snowmelt and runoff

    Ferrocyanide compounds enter the environment as anti-caking additives to road salts. In illuminated aquatic environments, the salts dissociate and form toxic free cyanide, which can then be lost through volatilization. The most common techniques for analysis of cyanide in environmental samples measure total and free (generally weak-acid dissociable, WAD) cyanide species. Cyanide has been detected ...


    By IWA Publishing

  • Characterisation of Urban Runoff Pollution in Paris

    Abstract:Runoff was collected from 4 roofs, 3 courtyards and 6 streets on an experimental catchment in central Paris, and analysed for SS, VSS, COD, BODS, hydrocarbons, heavy metals both as regards dissolved and particles fractions. Whereas street runoff showed important SS, COD and hydrocarbon loads, roof runoff was noticeable for its high concentration of heavy metals... ...


    By IWA Publishing

  • Determination of Phenanthrene in Urban Runoff of Tehran, Capital of Iran

    ABSTRACT In many big cities, surface runoff is collected by separate collection system and is then directed to receiving water bodies. Since it washes out the materials from the surface of different lands, is known as the source of pollution. Polycyclic aromatic hydrocarbons (PAHs) are one class of carcinogenic contaminants that are commonly found in storm water runoff. In this study, ...

  • Meeting New Demands: Treating Urban Runoff

    Dry weather runoff from urban creeks is a typical source of bacteria in coastal California. Beyond the Golden State, bacterial contamination of oceans, lakes and streams concerns many municipalities as well as they strive to reach increasingly stringent urban runoff and stormwater regulatory requirements. An innovative solution—ozone treatment for urban runoff—applied at two California beaches ...

  • Performance evaluation and a sizing method for hydrodynamic separators treating urban stormwater runoff

    This study reports on 6 years of performance monitoring of stormwater hydrodynamic separators in Korean urban catchments. One hundred and thirty-seven storm events were monitored in four hydrodynamic separators of two different types from 2006 to 2012. Mean values of the event average removal efficiencies of total suspended solids (TSS) for the four hydrodynamic separators were 43.69, 8.54, ...


    By IWA Publishing

  • Characterization and source identification of stormwater runoff in tropical urban catchments

    The characteristics of urban stormwater pollution in the tropics are still poorly understood. This issue is crucial to the tropical environment because its rainfall and runoff generation processes are so different from temperate regions. In this regard, a stormwater monitoring program was carried out at three urban catchments (e.g. residential, commercial and industrial) in the southern part of ...


    By IWA Publishing

  • Integration of urban runoff and storm sewer models using the OpenMI framework

    This paper presents an integrated modeling approach that combines the legacy urban runoff and the legacy storm sewer models with data exchange at runtime to simulate sewer flows with real-time rainfalls. A software system called IRES has been developed to demonstrate the proposed approach. IRES uses the RUNOFF and the EXTRAN block of Storm Water Management Model (SWMM) as the legacy urban ...


    By IWA Publishing

  • Sources of organic matter in first flush runoff from urban roadways

    This study aims to explore the influential sources of organic matter in first flush runoff from urban roadways by comparing organic carbon content and particle size distribution in road dust with those from discharge from vehicles during rainfall. Samples on first flush runoff and road dust were collected from urban roadways. In addition, vehicle drainage was assumed to flow from vehicles ...


    By IWA Publishing

  • The impact of atmospheric wet deposition on roof runoff quality in an urbanized area

    Understanding the sources of chemical components in roof runoff can help to prevent water quality problems in rooftop rainwater harvesting. To identify the contribution of wet deposition to the mass of components in roof runoff, the samples from air, rainwater, dust buildup and roof runoff were collected from an urban site in Shenzhen of China in 2011–2012. The results indicate that: (1) wet ...


    By IWA Publishing

  • Protocols for Evaluating the Effects of Land-use Patterns and Runoff Management on Urban Streams

    ABSTRACTThe design of urban runoff management facilities generally includes peak shaving for flood control, and best management practices (BMPs) for removing pollutants from the runoff. A number of scientists have concluded that the combination of these two control practices, which were developed independently of one another, is not sufficient to protect aquatic ecosystems. But these conclusions ...

  • Sources of organic matter in first flush runoff from urban roadways

    This study aims to explore the influential sources of organic matter in first flush runoff from urban roadways by comparing organic carbon content and particle size distribution in road dust with those from discharge from vehicles during rainfall. Samples on first flush runoff and road dust were collected from urban roadways. In addition, vehicle drainage was assumed to flow from vehicles ...


    By IWA Publishing

  • Evaluation of statistical distributions to analyze the pollution of Cd and Pb in urban runoff

    Heavy metal pollution in urban runoff causes severe environmental damage. Identification of these pollutants and their statistical analysis is necessary to provide management guidelines. In this study, 45 continuous probability distribution functions were selected to fit the Cd and Pb data in the runoff events of an urban area during October 2014–May 2015. The sampling was conducted from the ...


    By IWA Publishing

  • Temporal variations of runoff in a rapidly urbanizing semi-arid Chinese watershed

    Rapid urbanization on streamflows may directly affect or be restricted by the sustainability of local water resources. This is particularly true for arid/semiarid areas such as the Wulanmulun River watershed in the rapidly-developing Ordos region of north central China. From 1997 to 2012, the gross domestic product (GDP) of the region increased fifty-fold, while the urban area grew by a factor ...


    By IWA Publishing

  • Sensitivity analysis of surface runoff generation in urban flood forecasting

    Reliable flood forecasting requires hydraulic models capable to estimate pluvial flooding fast enough in order to enable successful operational responses. Increased computational speed can be achieved by using a 1D/1D model, since 2D models are too computationally demanding. Further changes can be made by simplifying 1D network models, removing and by changing some secondary elements. The Urban ...


    By IWA Publishing

  • How a LEED Platinum Building is Cleaning up Inland Empire Urban Runoff

    ABSTRACTIn 2002, the Inland Empire Utility Agency (IEUA) – a municipal water agency in western San Bernardino County - designed and constructed its new Headquarters with the goal of attaining the first 2.0 platinum level “LEED” - Leadership in Energy and Environmental Design - rating established by the U. S. Green Building Council.” IEUA has implemented a BMP project that truly showcases the ...

  • Leaching of additives from construction materials to urban storm water runoff

    Urban water management requires further clarification about pollutants in storm water. Little is known about the release of organic additives used in construction materials and the impact of these compounds to storm water runoff. We investigated sources and pathways of additives used in construction materials, i.e., biocides in facades' render as well as root protection products in bitumen ...


    By IWA Publishing

  • Comparing urban runoff quality of a felt roof and an asphalt road in Beijing

    Water pollution and water shortage are two of the most important environmental problems in Beijing, China. Water quality of rainfall from July to August 2011 and runoff from a felt roof and an asphalt road were analyzed chemically and further investigated because these are potential sources for augmenting city supplies. Results indicate that chemical oxygen demand (CODCr), total phosphorus (TP), ...


    By IWA Publishing

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