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Climate changed rainfalls for urban drainage capacity assessment
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.
Centre for Ecology and Hydrology, Wallingford, Oxon.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.
Luleå University of Technology, Department of Civil, Environmental and Natural Resources Engineering, Architecture and Water.ORCID iD: 0000-0003-1725-6478
2014 (English)In: Urban Water Journal, ISSN 1573-062X, Vol. 11, no 7, p. 543-556Article in journal (Refereed) Published
Abstract [en]

Guidance on what type of rainfall to use when assessing hydraulic capacity of urban drainage systems under climate change is unclear; focus is mainly on what climate factors to use. Based on a case study in Kalmar, Sweden, this paper compares system performance using two design rainfalls, Block rainfalls and Chicago Design Storm (CDS), and selected observed rainfalls, with two methods of addressing future climate: a constant factor and Delta Change (DC) factors that depend on rainfall intensity. The use of CDS rainfalls presents the maximum hydraulic response, whereas Block rainfalls give lower responses but identify critical durations in the system, which may be useful addressing adaptation actions. Observed rainfalls of target return periods gave similar responses to CDS rainfalls, and can be applied with DC factors to address future changes in both intensity and volume. Differences between the two methods indicate a high dependence related to the maximum factors applied on the rainfalls

Place, publisher, year, edition, pages
2014. Vol. 11, no 7, p. 543-556
National Category
Water Engineering
Research subject
Urban Water Engineering
Identifiers
URN: urn:nbn:se:ltu:diva-13882DOI: 10.1080/1573062X.2013.851709ISI: 000338103000003Scopus ID: 2-s2.0-84903443213Local ID: d30e30c3-3e06-4b12-92aa-78f1e5ba4c04OAI: oai:DiVA.org:ltu-13882DiVA, id: diva2:986835
Note
Validerad; 2014; 20131128 (andbra)Available from: 2016-09-29 Created: 2016-09-29 Last updated: 2018-07-10Bibliographically approved

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Berggren, KarolinaAshley, RichardViklander, Maria

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