Analytical modeling of polycyclic aromatic hydrocarbon loading and transport via road runoff in an urban region of Beijing, China
Identifieur interne : 000C46 ( Main/Exploration ); précédent : 000C45; suivant : 000C47Analytical modeling of polycyclic aromatic hydrocarbon loading and transport via road runoff in an urban region of Beijing, China
Auteurs : Wei Zhang [République populaire de Chine] ; Arturo A. Keller [États-Unis] ; Xuejun Wang [République populaire de Chine]Source :
- Water Resources Research [ 0043-1397 ] ; 2009-01.
Abstract
An analytical runoff water quality model is developed for simulating polycyclic aromatic hydrocarbon (PAH) loading and transport via road runoff in an urban area. The model considers buildup and washoff processes of suspended solids in storm runoff and considers dissolved and particle‐bound PAHs. Pollutant deposition and removal processes, which have typically been treated with a constant rate in previous models, are depicted as functions of relative humidity and wind speed to reflect the influence of meteorological conditions and are integrated into the pollutant buildup function. Pollutant input via rainwater and canopy throughfall from roadside trees is considered in the washoff model. The model is calibrated and verified with field data from an urban catchment in Beijing, China. The verification indicates that the runoff model is capable of providing results in good agreement with field measurements. A Monte Carlo framework is used to evaluate the uncertainty of PAH loading under various scenarios of atmospheric conditions.
Url:
DOI: 10.1029/2008WR007004
Affiliations:
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Keller</name><affiliation wicri:level="1"><country xml:lang="fr">États-Unis</country><wicri:regionArea>Bren School of Environmental Science and Management, University of California, California, Santa Barbara</wicri:regionArea><wicri:noRegion>Santa Barbara</wicri:noRegion></affiliation></author><author><name sortKey="Wang, Xuejun" sort="Wang, Xuejun" uniqKey="Wang X" first="Xuejun" last="Wang">Xuejun Wang</name><affiliation wicri:level="4"><country xml:lang="fr">République populaire de Chine</country><wicri:regionArea>MOE Laboratory of Earth Surface Processes, College of Urban and Environmental Sciences, Peking University, Beijing</wicri:regionArea><placeName><settlement type="city">Pékin</settlement></placeName><orgName type="university">Université de Pékin</orgName></affiliation></author></analytic><monogr></monogr><series><title level="j">Water Resources Research</title><title level="j" type="abbrev">Water Resour. Res.</title><idno type="ISSN">0043-1397</idno><idno type="eISSN">1944-7973</idno><imprint><publisher>Blackwell Publishing Ltd</publisher><date type="published" when="2009-01">2009-01</date><biblScope unit="volume">45</biblScope><biblScope unit="issue">1</biblScope><biblScope unit="page" from="/">n/a</biblScope><biblScope unit="page" to="/">n/a</biblScope></imprint><idno type="ISSN">0043-1397</idno></series><idno type="istex">308FDA4C27995579F5911E7D068B788FFF231FA4</idno><idno type="DOI">10.1029/2008WR007004</idno><idno type="ArticleID">2008WR007004</idno></biblStruct></sourceDesc><seriesStmt><idno type="ISSN">0043-1397</idno></seriesStmt></fileDesc><profileDesc><textClass></textClass><langUsage><language ident="en">en</language></langUsage></profileDesc></teiHeader><front><div type="abstract">An analytical runoff water quality model is developed for simulating polycyclic aromatic hydrocarbon (PAH) loading and transport via road runoff in an urban area. The model considers buildup and washoff processes of suspended solids in storm runoff and considers dissolved and particle‐bound PAHs. Pollutant deposition and removal processes, which have typically been treated with a constant rate in previous models, are depicted as functions of relative humidity and wind speed to reflect the influence of meteorological conditions and are integrated into the pollutant buildup function. Pollutant input via rainwater and canopy throughfall from roadside trees is considered in the washoff model. The model is calibrated and verified with field data from an urban catchment in Beijing, China. The verification indicates that the runoff model is capable of providing results in good agreement with field measurements. A Monte Carlo framework is used to evaluate the uncertainty of PAH loading under various scenarios of atmospheric conditions.</div></front></TEI><affiliations><list><country><li>République populaire de Chine</li><li>États-Unis</li></country><settlement><li>Pékin</li></settlement><orgName><li>Université de Pékin</li></orgName></list><tree><country name="République populaire de Chine"><noRegion><name sortKey="Zhang, Wei" sort="Zhang, Wei" uniqKey="Zhang W" first="Wei" last="Zhang">Wei Zhang</name></noRegion><name sortKey="Wang, Xuejun" sort="Wang, Xuejun" uniqKey="Wang X" first="Xuejun" last="Wang">Xuejun Wang</name><name sortKey="Zhang, Wei" sort="Zhang, Wei" uniqKey="Zhang W" first="Wei" last="Zhang">Wei Zhang</name></country><country name="États-Unis"><noRegion><name sortKey="Keller, Arturo A" sort="Keller, Arturo A" uniqKey="Keller A" first="Arturo A." last="Keller">Arturo A. Keller</name></noRegion></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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