Nonpoint source pollution of urban stormwater runoff: a methodology for source analysis
2014
Petrucci, Guido | Gromaire, Marie-Christine | Fallah Shorshani, Masoud | Chebbo, Ghassan | Laboratoire Eau, Environnement et Systèmes Urbains (LEESU) ; AgroParisTech-Université Paris-Est Marne-la-Vallée (UPEM)-École nationale des ponts et chaussées (ENPC)-Université Paris-Est Créteil Val-de-Marne - Paris 12 (UPEC UP12) | Vrije Universiteit Brussel [Bruxelles] (VUB) | Centre d'Enseignement et de Recherche en Environnement Atmosphérique (CEREA) ; École nationale des ponts et chaussées (ENPC)-EDF R&D (EDF R&D) ; EDF (EDF)-EDF (EDF)
International audience
اظهر المزيد [+] اقل [-]إنجليزي. The characterization and control of runoff pollution from nonpoint sources in urban areas are a major issue for the protection of aquatic environments. We propose a methodology to quantify the sources of pollutants in an urban catchment and to analyze the associated uncertainties. After describing the methodology, we illustrate it through an application to the sources of Cu, Pb, Zn, and polycyclic aromatic hydrocarbons (PAH) from a residential catchment (228 ha) in the Paris region. In this application, we suggest several procedures that can be applied for the analysis of other pollutants in different catchments, including an estimation of the total extent of roof accessories (gutters and downspouts, watertight joints and valleys) in a catchment. These accessories result as the major source of Pb and as an important source of Zn in the example catchment, while activity-related sources (traffic, heating) are dominant for Cu (brake pad wear) and PAH (tire wear, atmospheric deposition).
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