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Monitoring, chemical fate modelling and uncertainty assessment in combination: a tool for evaluating emission control scenarios for micropollutants in stormwater systems
Technical University of Denmark, Denmark.ORCID-id: 0000-0003-3799-0493
Technical University of Denmark, Denmark.ORCID-id: 0000-0001-6344-7131
Technical University of Denmark, Denmark.ORCID-id: 0000-0002-7152-3832
Technical University of Denmark, Denmark.ORCID-id: 0000-0002-5472-8553
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2012 (Engelska)Ingår i: WSUD 2012 - 7th international conference on water sensitive urban design: building the water sensitive community: final program and abstract book, 2012Konferensbidrag, Muntlig presentation med publicerat abstract (Refereegranskat)
Abstract [en]

Stormwater discharges can represent significant sources of micropollutants (MP), including heavy metals and xenobiotic organic compounds that may pose a toxicity risk to aquatic ecosystems. Control of stormwater quality and reduction of MP loads is therefore necessary for a sustainable stormwater management in urban areas, but it is strongly hampered by the general lack of field data on these substances. A framework for combining field monitoring campaigns with dynamic MP modelling tools and statistical methods for uncertainty analysis was hence developed to estimate MP fluxes and fate in stormwater runoff and treatment systems under sparse data conditions.The framework was applied to an industrial/residential area in the outskirts of Copenhagen (Denmark), where stormwater is discharged in a separate channel system discharging to a wet detention pond. Analysis of economic activities and GIS data on land usage allowed characterizing the catchment and identifying the major potential sources of stormwater MP. Monitoring of the pond inlet and outlet, as well as sediment analyses, allowed assessing the current situation and highlighted potential risks for the downstream surface water environment. The collected data was used in combination with an integrated dynamic MP fate model to estimate the MP fluxes in the catchment and the MP fate in the pond over a 10-year period. The model was also used to evaluate the potential effects of anticipated future climate changes as well as different scenarios for reduction of MP emissions while considering the uncertainty of the model predictions.

Ort, förlag, år, upplaga, sidor
2012.
Nationell ämneskategori
Analytisk kemi Miljövetenskap
Identifikatorer
URN: urn:nbn:se:lnu:diva-87226ISBN: 9780858258952 (digital)OAI: oai:DiVA.org:lnu-87226DiVA, id: diva2:1342524
Konferens
7th International Conference on Water Sensitive Urban Design, Melbourne, Australia, February 21-23, 2012
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Published on CD-ROM

Tillgänglig från: 2019-08-13 Skapad: 2019-08-13 Senast uppdaterad: 2019-08-23Bibliografiskt granskad

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Eriksson, Eva

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Mikkelsen, Peter SteenVezzaro, LucaBirch, HeidiEriksson, Eva
Analytisk kemiMiljövetenskap

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