Spatial distribution of socio-demographic and housing-based factors in relation to flash and slow-rise flooding hazards in the U.S

Abstract Previous studies have drawn attention to racial and socioeconomic disparities in exposures associated with flood events at varying spatial scales, but most of these not differentiated risk. Assessing risk without differentiating floods by their characteristics (e.g. duration intensity precipitation leading flooding) may lead less accurate estimates the vulnerable locations populations. In this study, we compare patterning social vulnerability, types housing, housing tenure (i.e. rented vs. owned) between two specific used operationally National Weather Service—flash slow-rise floods—in floodplains across Contiguous United States (CONUS). We synthesized several datasets, including established distributions hazards flooding characteristics, indicators status, generalized estimating equations examine proportion socially populations residing flash extents. Our statistical findings show that flooded area is significantly greater tracts characterized higher percentages vulnerable. However, results could confirm hypothesis they are exposed considerably more than floodplains. Considering housing-occupancy percentage renter-occupancies compared slow-rise, especially areas high rainfall accumulation producing storms Southeast). This assessment contributes insights into how impact different CONUS informs strategies support urban rural community resilience planning local state levels.