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Title: A conceptual framework for a nonstructural approach to reduce flood impact in urban catchments
Author: Newman, Richard Dunstan Alexander
ISNI:       0000 0004 2710 0693
Awarding Body: University of Sheffield
Current Institution: University of Sheffield
Date of Award: 2011
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Owing to historical processes that can be traced back over two millennia, flooding in urban catchments is managed using the wider UK flood risk management (FRM) cost-benefit approach focussing on structural defences. While in principle, structural defences are effective for managing flooding in urban catchments, difficulties in appraising the consequences of this type of flooding in terms of derived economic benefit, means providing structural protection for urban catchments is often economically inappropriate. Since the benefits of structurally protecting urban catchments rarely outweigh the costs, incidences of flooding in urban catchments are inevitable. The conceptual basis for a non-structural approach to reduce flood risk is developed in this PhD thesis. The findings indicate that over the long-term, a non-structural approach can reduce flood risk, be less expensive than the structural counterpart and serve as an additional dimension to the current FRM system. Tangible and intangible Flood Impact (the core components of flood risk) is reduced through a process of influencing behaviour through stakeholder group-specific Capacity Building using appropriate and effective engagement of stakeholders and novel use of existing technology systems such as GIS. Tangible Flood Impact such as flood damage can be reduced by providing tactical stakeholders (TSHs) with quality catchment data that over time will enable creation of greater accuracy drainage models. Intangible Flood Impact such as trauma can be reduced by providing inexpensive but comprehensive and appropriate support to receptor stakeholders (RSHs) and dwellers. The framework has been derived from involvement in three case studies: ERA NET CRUE case study, Glasgow, Scotland, Non-Structural Responses (NSR), Defra case study FD 2603 (part ofINTERREG ivb1 ), Managing Adaptive REsponses to changing flood risk in the North Sea Region (MARE), and; Defra case study, West Garforth, England, Integrated Urban Drainage pilot (IUD). The basis for the framework was identified in the Glasgow NSR case study and was derived from engagements with professionals and dwellers in Glasgow. This basis was developed into a conceptual framework during the remaining two case studies which involved engagement with professionals and dwellers in England. The framework is now available for application.
Supervisor: Not available Sponsor: Not available
Qualification Name: Thesis (Ph.D.) Qualification Level: Doctoral
EThOS ID:  DOI: Not available