Modeling residential coastal flood vulnerability using finished-floor elevations and socio-economic characteristics

Journal of Environmental Management
Narcisa G PricopeLauren M Rosul

Abstract

Densely populated coastal regions are vulnerable to threats associated with climate change and variability, especially storms. In the United States, millions of people are repeatedly at risk of flooding and because this number will only continue to grow, the identification of the intersection of social vulnerability and physical risk to flood inundation is essential for both coastal planning and adaptation purposes. Although a key tool to identify vulnerable populations, most vulnerability models are built at the county or coarser scales, thereby hindering the effectiveness of mitigation and adaptation planning at community scales, which are more socially and physically diverse than what county-scale analyses can reveal. We present an integrated social and physical model of vulnerability at the block-group level of geography using census data to measure social variability based population and housing data and physical exposure based on the intersection of finished floor elevation of all buildings in coastal North Carolina, USA with flood hazards maps. We identify, in a spatially-explicit manner and at multiple levels of governance, areas of high social vulnerability and their intersection with areas of high physical exposure to...Continue Reading

References

Jan 1, 1992·Statistical Methods in Medical Research·I T Joliffe, B J Morgan
Apr 16, 1999·Disasters·B H Morrow
Feb 13, 2008·Proceedings of the National Academy of Sciences of the United States of America·Susan L Cutter, Christina Finch
Jul 17, 2008·Risk Analysis : an Official Publication of the Society for Risk Analysis·Mathew C SchmidtleinSusan L Cutter

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