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The Day Roads Became Rivers: A GIS-Based Assessment of Flash Floods in Worcester

Visser, Fleur (2008) The Day Roads Became Rivers: A GIS-Based Assessment of Flash Floods in Worcester. Flood Risk Management: Research and Practice . ISSN 978-0-415-48507-4

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Official URL: http://www.routledgegeography.com/books/Flood-Risk...

Abstract

In the last 4 years Worcester, UK has been hit by several intense convective rainstorms, which caused flash floods outside of existing surface drainage networks. This paper addresses two questions related to such events: Firstly to what extent can the occurrence of flash flood flow accumulation can be determined using only commonly available data and tools, assuming the rainfall events caused mainly surface runoff due to their tropical intensity and the relatively impermeable urban catchment surface? Secondly, are the flood in-cidents in Worcester aggravated by roads serving as preferential flow paths under these conditions? The as-sessment results indicated that roads do not have an influence on the flow path of flash flood rainfall in Worcester. Flow accumulation calculated with a 10m DEM, corresponds well with reported flood incidents. This basic assessment method can be used to inform the implementation of non structural flood mitigation and public awareness.

Item Type:	Article
Additional Information:	During the printing of this publication figures have been omitted from the paper. A separate copy of the orginal paper including the figures is also added.
Uncontrolled Keywords:	floods, flooding, flash floods, flood management policy, Worcester
Subjects:	G Geography. Anthropology. Recreation > GB Physical geography
Divisions:	Academic Departments > Institute of Science and the Environment
ID Code:	547
Deposited By:	Fleur Visser
Deposited On:	30 Sep 2009 13:51
Last Modified:	01 Apr 2010 06:00

Available Versions of this Item

The Day Roads Became Rivers: A GIS-Based Assessment of Flash Floods in Worcester. (deposited 30 Sep 2009 13:51) [Currently Displayed]
- The Day Roads Became Rivers: A GIS-Based Assessment of Flash Floods in Worcester. (deposited 16 Jan 2009 11:15)

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