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- W4200549945 abstract "Aiming at the frequent occurrence of urban flooding under typhoon and rain on Nantai Island in Fuzhou City, based on the InfoWorks ICM model software, a urban flooding model coupled with urban hydrology, one-dimensional pipe canal hydrodynamics and two-dimensional surface hydrodynamics on Nantai Island was established. After calibrating and verifying the model based on the measured water accumulation under the two typhoon rains of “Sudiruo” and “Catfish”, the load status of the pipe network, the total overflow of inspection wells, and the surface of Nantai Island during the 7 rainstorm return periods Simulation analysis is performed on the range, depth and duration of stagnant water. Under the two typhoon storms, the average error between the simulated and measured water depths was 4.42% and 12.70%, and the simulated water range was consistent with the statistical water depth. Under different rainstorm recurrence periods, the urban flooding simulation results show that the rainstorm recurrence period below 3a and 3a, the area of the whole area is less than 3.62km <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sup> , and the overall drainage capacity of Nantai Island is better; the rainstorm recurrence period of 5a, the whole area The area of stagnant water is 4.95km <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sup> , the drainage system is close to saturation, and some areas exceed the design standards; the recurrence period of heavy rains in 10a and 10a, the area of stagnant water exceeds 8.82km <sup xmlns:mml=http://www.w3.org/1998/Math/MathML xmlns:xlink=http://www.w3.org/1999/xlink>2</sup> , and the new rainwater no longer enters the drainage system, and all the ground is stored. With the continuous increase of rain intensity, the inspection wells in some areas overflowed seriously. The analysis results can provide theoretical basis and decision support for the prevention and control of urban flooding in Nantai Island." @default.
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- W4200549945 date "2021-11-06" @default.
- W4200549945 modified "2023-09-27" @default.
- W4200549945 title "Research on Urban Flooding Scenario Simulation of Nantai Island Based on Urban Hydrology and Hydrodynamic Coupling" @default.
- W4200549945 doi "https://doi.org/10.1109/ichceswidr54323.2021.9656249" @default.
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