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Spatial Analysis Of High-Resolution Radar Rainfall And Citizen-Reported Flash Flood Data In Ultra-Urban New York City, Brianne Smith, Stephanie Rodriguez
Spatial Analysis Of High-Resolution Radar Rainfall And Citizen-Reported Flash Flood Data In Ultra-Urban New York City, Brianne Smith, Stephanie Rodriguez
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New York City (NYC) is an ultra-urban region, with over 50% impervious cover and buried stream channels. Traditional flood studies rely on the presence of stream gages to detect flood stage and discharge, but these methods cannot be used in ultra-urban areas. Here we create a high-resolution radar rainfall dataset for NYC and utilize citizen and expert reports of flooding throughout the city to study flash flooding in NYC. Results indicate that interactions between the urban area and land–sea boundary have an important impact on the spatial variability of both heavy rainfall and flooding, sometimes in contrast to results obtained …