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Info-Gap robustness pathway method for transitioning of urban drainage systems under deep uncertainties
Unit of Environmental Engineering, University of Innsbruck, Austria.
Unit of Environmental Engineering, University of Innsbruck, Austria.
Environmental Technology & Design, Department of Urbanism, Faculty of Architecture and the Built Environment, Delft University of Technology, The Netherlands.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.ORCID iD: 0000-0003-0367-3449
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2017 (English)In: Water Science and Technology, ISSN 0273-1223, E-ISSN 1996-9732, Vol. 76, no 5, 1272-1281 p.Article in journal (Refereed) Published
Abstract [en]

In the urban water cycle, there are different ways of handling stormwater runoff. Traditional systems mainly rely on underground piped, sometimes named ‘gray’ infrastructure. New and so-called ‘green/blue’ ambitions aim for treating and conveying the runoff at the surface. Such concepts are mainly based on ground infiltration and temporal storage. In this work a methodology to create and compare different planning alternatives for stormwater handling on their pathways to a desired system state is presented. Investigations are made to assess the system performance and robustness when facing the deeply uncertain spatial and temporal developments in the future urban fabric, including impacts caused by climate change, urbanization and other disruptive events, like shifts in the network layout and interactions of ‘gray’ and ‘green/blue’ structures. With the Info-Gap robustness pathway method, three planning alternatives are evaluated to identify critical performance levels at different stages over time. This novel methodology is applied to a real case study problem where a city relocation process takes place during the upcoming decades. In this case study it is shown that hybrid systems including green infrastructures are more robust with respect to future uncertainties, compared to traditional network design.

Place, publisher, year, edition, pages
IWA Publishing, 2017. Vol. 76, no 5, 1272-1281 p.
Keyword [en]
city transformation, green/blue infrastructure, hybrid systems, Info-Gap robustness pathway method, network transitioning, SWMM
National Category
Other Civil Engineering
Research subject
Urban Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-65300DOI: 10.2166/wst.2017.320ISI: 000409346700028PubMedID: 28876269Scopus ID: 2-s2.0-85029094937OAI: oai:DiVA.org:ltu-65300DiVA: diva2:1135912
Projects
GREEN / BLUE CITIES - GreenBlue Infrastructure for Sustainable, Attractive Cities
Funder
Swedish Research Council Formas, 1773241VINNOVA, 1773241
Note

Validerad;2017;Nivå 2;2017-09-11 (svasva)

Available from: 2017-08-24 Created: 2017-08-24 Last updated: 2017-09-25Bibliographically approved

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Publisher's full textPubMedScopushttp://wst.iwaponline.com/content/early/2017/05/30/wst.2017.320

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