Floodplain Inundation Analysis Combined with Contingent Valuation: Implications for Sustainable Flood Risk Management

This study presents the results of open-ended contingent valuation method (CVM) to estimate the residents’ maximum willingness to pay (WTP) for flood insurance and structural flood control measures in the Neka River Basin in Northern Iran. Flood inundation analysis and floodplain risk mapping were c...

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Bibliographic Details
Published in:	Water resources management Vol. 28; no. 9; pp. 2491 - 2505
Main Authors:	Ghanbarpour, M. Reza, Saravi, Mohsen Mohseni, Salimi, Shokoufe
Format:	Journal Article
Language:	English
Published:	Dordrecht Springer-Verlag 01-07-2014 Springer Netherlands Springer Springer Nature B.V
Subjects:	Atmospheric Sciences Civil Engineering Climate change contingent valuation Deforestation Earth and Environmental Science Earth Sciences Earth, ocean, space Engineering and environment geology. Geothermics Environment Environmental factors Environmental risk Exact sciences and technology Flood control Flood damage Flood hazards Flood insurance Floodplains Floods Freshwater geographic information systems Geotechnical Engineering & Applied Earth Sciences household income Hydrogeology Hydrology Hydrology. Hydrogeology Hydrology/Water Resources Insurance Inundation issues and policy Land use Landowners Natural disasters Natural hazards: prediction, damages, etc Natural resources Participation people Planning Policies Precipitation Public participation Questionnaires Risk analysis Risk management risk perception River basins Rivers Studies Urban development Valuation methods Water resources Water resources management Watersheds Willingness to pay Zoning Iran Middle East Asia Risk Flood insurance Willingness to pay Floodplain management Contingent valuation rivers floods models maps water policy natural disasters geographic information systems floodplains land use zoning regulations water resource management Risk management methodology
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Summary:	This study presents the results of open-ended contingent valuation method (CVM) to estimate the residents’ maximum willingness to pay (WTP) for flood insurance and structural flood control measures in the Neka River Basin in Northern Iran. Flood inundation analysis and floodplain risk mapping were conducted by applying the HEC-RAS model combined with GIS analysis. A calibrated 100-year flood risk inundation map was considered as a basis for this research. This paper demonstrates applicability of CVM combined with flood inundation analysis to understand public participation for flood risk management, and their perception of flooding, considering associated socioeconomic and environmental factors. The results have shown that stated WTPs significantly varies with household income, distance people live from the river and the land use type of properties. Findings of this study suggest that the majority of respondents view flood hazard as the most important natural disaster. Furthermore, WTPs are significantly higher for those who have high level of flood risk perception. Three policy options for flood risk management are discussed, which include flood zoning and land use regulation, flood insurance program, and structural measure of levee construction. The advantages and disadvantages of each option are explored. It was concluded that a combination of possible mitigation options should be considered in order to achieve sustainable flood risk management in the Neka River Floodplain.
Bibliography:	http://dx.doi.org/10.1007/s11269-014-0622-2 ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0920-4741 1573-1650
DOI:	10.1007/s11269-014-0622-2