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A System for Drainage and Flood Simulation in the Urban Areas of Shanghai

机译：上海市城区排涝模拟系统

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摘要

A rainfall runoff model suitable for city flood simulation is established for Shanghai based on the hydrological and hydraulic characteristics of the urban drainage system. With the compact combination of the model and a visual interface using GIS and MAPBASIC language which can be easily operated, a system for drainage and flood simulation in the urban areas of Shanghai is developed. In both real time and planning situations, this system can be used to not only dynamically simulate the whole flooding process of all city blocks, but also inquire both the depth and position of a random hydrops point. It satisfies the need of flood forecast, flow condition analysis, and engineering planning and management of the city and is adopted by The Information Center of Flood Prevention of Shanghai. Rationality analysis of simulation results and practical investigation of processes of extraordinary rainstorms in history indicate that this research result is basically reliable and satisfactory.
机译：根据城市排水系统的水文和水力特征，建立了适用于城市洪水模拟的降雨径流模型。通过模型的紧凑组合以及使用GIS和MAPBASIC语言且易于操作的可视界面，开发了上海市区的排水和洪水模拟系统。在实时和计划情况下，该系统不仅可以用于动态模拟所有城市街区的整个洪水过程，而且还可以查询随机积水点的深度和位置。它满足了城市的洪水预报，流量状况分析以及工程规划和管理的需求，并被上海市防洪信息中心采用。模拟结果的合理性分析和历史上特大暴雨过程的实践研究表明，该研究结果基本可靠，令人满意。

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