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Next generation swa...
Next generation swale design for stormwater runoff treatment : A comprehensive approach
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- Ekka, Sujit A. (författare)
- Department of Biological and Agricultural Engineering, North Carolina State University, Box 7625, Raleigh, NC, 27695, USA. Department of Environment-Water Resources, AECOM, 1600 Perimeter Park Dr, Suite 400, Morrisville, NC, 27560, USA
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- Rujner, Hendrik, 1983- (författare)
- Luleå tekniska universitet,Arkitektur och vatten
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- Leonhardt, Günther, 1978- (författare)
- Luleå tekniska universitet,Arkitektur och vatten
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- Blecken, Godecke-Tobias (författare)
- Luleå tekniska universitet,Arkitektur och vatten
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- Viklander, Maria (författare)
- Luleå tekniska universitet,Arkitektur och vatten
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- Hunt, William F. (författare)
- Department of Biological and Agricultural Engineering, North Carolina State University, Box 7625, Raleigh, NC, 27695, USA
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Department of Biological and Agricultural Engineering, North Carolina State University, Box 7625, Raleigh, NC, 27695, USA Department of Environment-Water Resources, AECOM, 1600 Perimeter Park Dr, Suite 400, Morrisville, NC, 27560, USA Arkitektur och vatten (creator_code:org_t)
- Elsevier, 2021
- 2021
- Engelska.
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Ingår i: Journal of Environmental Management. - : Elsevier. - 0301-4797 .- 1095-8630. ; 279
- Relaterad länk:
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https://doi.org/10.1...
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https://doi.org/10.1...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Swales are the oldest and most common stormwater control measure for conveying and treating roadway runoff worldwide. Swales are also gaining popularity as part of stormwater treatment trains and as crucial elements in green infrastructure to build more resilient cities. To achieve higher pollutant reductions, swale alternatives with engineered media (bioswales) and wetland conditions (wet swales) are being tested. However, the available swale design guidance is primarily focused on hydraulic conveyance, overlooking their function as an important water quality treatment tool. The objective of this article is to provide science-based swale design guidance for treating targeted pollutants in stormwater runoff. This guidance is underpinned by a literature review.The results of this review suggest that well-maintained grass swales with check dams or infiltration swales are the best options for runoff volume reduction and removal of sediment and heavy metals. For nitrogen removal, wet swales are the most effective swale alternative. Bioswales are best for phosphorus and bacteria removal; both wet swales and bioswales can also treat heavy metals. Selection of a swale type depends on the site constraints, local climate, and available funding for design, construction, and operation. Appropriate siting, pre-design site investigations, and consideration of future maintenance during design are critical to successful long-term swale performance. Swale design recommendations based on a synthesis of the available research are provided, but actual design standards should be developed using local empirical data. Future research is necessary to identify optimal design parameters for all swale types, especially for wet swales.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Vattenteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Water Engineering (hsv//eng)
Nyckelord
- Stormwater
- Grass swales
- Bioswale
- Wet swale
- Green infrastructure
- Water quality
- VA-teknik
- Urban Water Engineering
- Centrumbildning - Centrum för dagvattenhantering (DRIZZLE)
- Centre - Centre for Stormwater Management (DRIZZLE)
Publikations- och innehållstyp
- ref (ämneskategori)
- for (ämneskategori)
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