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  • Presentation | H21C: Advancing Flood Characterization, Modeling, and Communication I Oral
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  • H21C-03: Temporal and Social Dimensions of Flood Vulnerability: Integrating Seasonal Water Depth Extremes and Composite Social Indices in Coastal Urban Cities
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  • Location Icon228-230
    NOLA CC
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Author(s):
Mohana Debnath, Florida State University (First Author, Presenting Author)
Nasrin Alamdari, Florida State University


This research examines the interplay between physical flooding and societal variables that increase the vulnerability of coastal communities, such as Miami-Dade County, to flooding. It uses a hydrology model (MIKE SHE) to show seasonal flood patterns and utilizes HAZUS-MH to assess potential financial losses from flood damage. The research revealed that flood levels are elevated in the autumn, particularly under a more severe future climate scenario (SSP5–8.5). Composite Vulnerability Index (CVI), including income, child and senior poverty rates, race/ethnicity, lengthy commutes, and housing quality helped determine social vulnerability. The research revealed that the high flood depth region and the region highly susceptible to flood loss overlap with each other. These regions are at the most danger, with projections indicating damages exceeding $1 billion. The results indicate that flood risk includes not just water levels but also the individuals impacted and the manner of their impact. This integrated strategy can assist other communities in equitably and knowledgeably preparing for prospective climate-induced flood hazards.



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