Who is vulnerable and who is resilient to coastal flooding? Lessons from Hurricane Sandy in New York City

Malgosia Madajewicz ()
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Malgosia Madajewicz: Columbia University

Climatic Change, 2020, vol. 163, issue 4, No 21, 2029-2053

Abstract: Abstract Social vulnerability and resilience indices identify populations who are at risk from hazards in order to guide policy to build resilience. This study investigates which of the indicators that commonly comprise the indices reflect vulnerability and resilience to coastal flooding in urban areas based on primary data that document the impacts of and recovery from Hurricane Sandy in New York City. The study constructs measures of vulnerability and resilience that are independent of proposed indicators and uses regression analysis to investigate which indicators influence these measures. The analysis finds that (1) middle- and low-income homeowners are less financially resilient than are poorer renters. The recovery cost middle- to low-income homeowners 2.4 times their annual per capita incomes, while renters paid out about half of their per capita incomes. Resilience increases with income but conditional on ownership of assets that are at risk. (2) Disabled and/or chronically ill residents are more vulnerable and less resilient by many outcome measures. (3) Non-white households experience longer disruptions of access to food. (4) Information, hazard-specific capacities of community groups, and pre-hazard access to services such as food and health care are important indicators of vulnerability and resilience. (5) The evidence that other commonly proposed indicators are correlated with independent measures of vulnerability and resilience to flooding is weak. The study yields hypotheses for further research on how relevant indicators differ across hazards and contexts.

Keywords: Social vulnerability; Resilience; Indicators; Extreme events; Hazards; Coastal flooding (search for similar items in EconPapers)
Date: 2020
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DOI: 10.1007/s10584-020-02896-y

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