An evaluation of urban flood estimation methodologies in Ireland

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Title: An evaluation of urban flood estimation methodologies in Ireland
Authors: O'Sullivan, J. J.
Gebre, F.
Bruen, Michael
Purcell, Patrick J.
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Date: Mar-2010
Abstract: This paper summarises the findings of a study to evaluate the use in Ireland of the different flood estimation methodologies that can be applied to urban or urbanising catchments. The study, undertaken as part of the Office of Public Works‟ (OPW) Flood Studies Update programme, comprised both quantitative (posted questionnaires) and qualitative research (focus groups) targeting a range of organisations involved with planning and design issues pertaining to urban flooding. A total of 291 questionnaires was circulated. Of these, 100 were returned, equating to a response rate of 34%. Results indicate that formulae and methods for determining runoff rates in urban and urbanising catchments are being applied very generally without due consideration being given to the statistical foundation underlying the methods. The resulting inconsistencies in estimated runoff rates highlight the need for National Guidance for flow estimation in urban and urbanising catchments in Ireland.
Funding Details: Other funder
Type of material: Journal Article
Publisher: Wiley and Chartered Institution of Water and Environmental Management (CIWEM)
Copyright (published version): 2009 The authors
Keywords: UrbanGreenfieldFloodsPeak flowsEstimationSurveyQuantitativeQualitative
Subject LCSH: Floods--Ireland
Watershed management--Ireland
Flood forecasting--Ireland
City planning--Ireland
DOI: 10.1111/j.1747-6593.2008.00147.x
Language: en
Status of Item: Peer reviewed
Appears in Collections:Centre for Water Resources Research Collection
Urban Institute Ireland Research Collection
Critical Infrastructure Group Research Collection
Civil Engineering Research Collection

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