Performance of vegetated swales for improving road runoff quality in a moderate traffic urban area

Leroy, Marie-Charlotte; Portet‐Koltalo, Florence; Legras, Marc; Lederf, Franck; Moncond'huy, V.; Polaert, Isabelle; Marcotte, Stéphane

doi:10.1016/j.scitotenv.2016.05.027

Cited by 66 publications

(36 citation statements)

References 34 publications

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“…Concentrations of pollutants in the flow are then significantly reduced when reaching the main channel. Whilst storage of contaminated sediments within setbacks may be detrimental to the local environment, previous studies have indicated the potential for phytoremediation within swales (Fritioff and Greger, ; Leroy et al ., ), and as such the long‐term consequences of storage are likely to be ameliorated by the vegetative remediation processes within the setback. Stagge et al .…”

Section: Discussionmentioning

confidence: 99%

The Impacts of Natural Flood Management Approaches on In‐Channel Sediment Quality

Janes

Grabowski

Mant

et al. 2016

River Research & Apps

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Natural Flood Management (NFM) techniques aim to reduce downstream flooding by storing and slowing the flow of stormwater to river channels. These techniques include a range of measures, including setback stormwater outfalls and the physical restoration of channels and floodplains, to improve the natural functioning of catchments. An additional benefit of NFM measures is the potential reduction in sediment and pollutant delivery to the channel. Urban development releases a variety of heavy metal and nutrient pollutants that enter rivers through stormwater outfalls with adverse effects on the aquatic ecosystem. In this study, the influence of channel modification and quality of the river habitat on the sediment quality surrounding stormwater outfalls was assessed. Sediment samples were taken at several outfalls within the Johnson Creek catchment, Oregon, USA, and analysed for a variety of urban pollutants. The level of river habitat quality and modification at each site were assessed using a semi‐quantitative scoring methodology. Significant increases in pollutant levels were observed at outfalls, with a greater and more variable increase at direct compared to setback outfalls. Removal efficiency of certain pollutants was found to be significantly correlated to the level of habitat quality or modification (for Fe, Ba, Sn, Mg, P, K) indicating that more natural reaches had greater potential for pollutant removal. The findings highlight the multiple benefits associated with NFM and river restoration approaches in relation to sediment quality and pollutant content. © 2016 The Authors River Research and Applications Published by John Wiley & Sons, Ltd.

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Section: Discussionmentioning

confidence: 99%

The Impacts of Natural Flood Management Approaches on In‐Channel Sediment Quality

Janes

Grabowski

Mant

et al. 2016

River Research & Apps

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“…The performance of several commercially available green roof trays were studied by Johnson et al (2016), finding that dissolved inorganic nitrogen runoff fluxes were, "different among plant species and decreased significantly with increasing plant species richness." The performance of grassed and macrophyte planted bioswales in treating road runoff were evaluated finding that in general macrophytebioswale systems performed between in reducing pollutant concentrations and also had less variability in treatment results (Leroy et al, 2016).…”

Section: Water Qualitymentioning

confidence: 99%

Sustainability

Chang¹,

DiGiovanni²,

Mei³

2017

Water Environment Research

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Selected 2016 publications on the focus of Sustainability are reviewed and discussed here. The followings are the topics presented: • Sustainable water and wastewater utilities •Sustainable water resources management • Stormwater and green infrastructure • Sustainability in water and wastewater treatment •Life cycle assessment (LCA) applications • Sustainability for water and energy, • Sustainability and asset management.

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“…All pH values indicated a poorly alkaline pH of the analysed water. The pH values are partially related to the nature of the transported particles in the suspension, significantly inorganic and alkaline [31]. …”

Section: Indicator Characterizing the Acidificationmentioning

confidence: 99%

“…The presence of such concentrations could have been additionally caused by the uncontrolled inflow of runoff from a motor vehicle diagnostic station, from a petrol station or from the parking lot into the ditch. These values can be compared with values obtained for road runoff in similar environments [31,42]. …”

Section: Heavy Metalsmentioning

confidence: 99%

Quality of Water in the Road Drainage Systems in the Warsaw Agglomeration, Poland

Fronczyk

Radziemska

Dynowski

et al. 2016

Water

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Performance of vegetated swales for improving road runoff quality in a moderate traffic urban area

Cited by 66 publications

References 34 publications

The Impacts of Natural Flood Management Approaches on In‐Channel Sediment Quality

The Impacts of Natural Flood Management Approaches on In‐Channel Sediment Quality

Sustainability

Quality of Water in the Road Drainage Systems in the Warsaw Agglomeration, Poland

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