Extreme event statistics of urban pluvial floods – Return period assessment and rainfall variability impacts

Research output: Contribution to book/anthology/report/conference proceedingArticle in proceedingResearchpeer-review

Abstract

A return period assessment of urban flood has been performed and its adhered impact of rainfall variability studied over a urban drainage catchment area in Aalborg, Denmark. Recorded rainfall from 7 rain gauges has been used, located in a range of 7.5Km and for a period varying form 18-37 years. Return period of rainfall and flood at catchment and local scale has been estimated, its derived ambiguities analysed and the variability of rain gauge based rainfall investigated regarding to flood estimation results. Results show a clear contrast between rainfall and flood return period estimates and highlight the need to use accurate rainfall given its inherent influence on urban drainage systems.
Original languageEnglish
Title of host publicationConference Proceedings : 14th IWA/IAHR International Conference on Urban Drainage
PublisherIWA/IAHR International Conference on Urban Drainage
Publication date2017
Pages667-670
Article numberICUD-0147
Publication statusPublished - 2017
Event14th International Conference on Urban Drainage - Prag, Czech Republic
Duration: 10 Sep 201715 Sep 2017

Conference

Conference14th International Conference on Urban Drainage
Country/TerritoryCzech Republic
CityPrag
Period10/09/201715/09/2017

Keywords

  • Pluvial flood
  • Rainfall variability
  • Return period assessment
  • Urban drainage modelling

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