Towards an integrated approach for coastal flood impact assessment

Frank Thomalla*, James Brown, Ilan Kelman, Iris Möller, Robin Spence, Tom Spencer

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference proceeding contributionpeer-review

6 Citations (Scopus)

Abstract

Human settlements along coasts and estuaries are increasingly at risk from flooding due to a combination of inappropriate development, rising sea level, insufficient investment in the maintenance of flood defences, and the interaction of rising sea levels with storm surges. This paper describes the development of a dynamical storm surge and inundation model in combination with an analysis of residence vulnerability for two case study sites along the English east coast to investigate the consequences for residential areas of a major sea defence failure. The model is developed to provide detailed information about floodwater depths and velocities that can be expected for different storm conditions and defence failure scenarios. At the same time, failure in residences due to floodwater loading is examined by investigating load characteristics along with damage and failure load parameters for a range of residences. Drawing on historical accounts, field surveys and insurance loss data, those features of residential buildings which govern the structure's vulnerability to flood damage are identified. The examination of the impact of floodwater forces represents a new approach to damage assessment and enables a more accurate prediction of potential losses, both for the case study sites and for larger spatial scales. With this knowledge, sustainable risk management strategies are developed.

Original languageEnglish
Title of host publicationSolutions to Coastal Disasters 2002
EditorsL. Ewing, L. Wallendorf
Pages142-158
Number of pages17
Publication statusPublished - 2002
EventProceedings of the Solutions to Coastal Disasters 2002 Conference - San Diego, CA, United States
Duration: 24 Feb 200227 Feb 2002

Other

OtherProceedings of the Solutions to Coastal Disasters 2002 Conference
CountryUnited States
CitySan Diego, CA
Period24/02/0227/02/02

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