Dissemination of regional rainfall analysis in design and analysis of urban drainage at un-gauged locations

K. Arnbjerg-Nielsen, Poul Harremoes, Peter Steen Mikkelsen

    Research output: Contribution to journalJournal articleResearchpeer-review

    Abstract

    A research program in Denmark on statistical modelling of rainfall has resulted in a model for regional distribution of rainfall extremes. The results show that extreme rainfalls critical to the hydraulic function of urban drainage systems and the pollution discharge are subject to a significant regional variation of extreme rainfalls throughout the country. This has implications for design and analysis of all practical problems related to urban drainage, since the rainfall data so far recommended as input to engineering analyses underestimates the problems. Consequently, the Danish Water Pollution Control Committee has issued a statement recommending a new engineering practice. The dissemination of the research results proved to be difficult due to lack of understanding of the concepts of the new paradigm by practitioners. The traditional means of communication was supplemented by user-friendly spreadsheets and easy access to rainfall data as well as giving courses on the new paradigm. This has eased the implementation of the new concepts greatly.
    Original languageEnglish
    JournalWater Science and Technology
    Volume45
    Issue number2
    Pages (from-to)69-74
    ISSN0273-1223
    Publication statusPublished - 2002

    Keywords

    • rainfalll statistics
    • dissemination
    • regional variation
    • urban drainage
    • design

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