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分析了济南市2007年“7.18”暴雨洪水形成的天气系统、地理、人为等因素后认为:①蒙古冷空气与副热带高压交绥的天气系统是形成市区高雨强、大雨量暴雨的直接原因;②济南市南高北低的地势特点和横贯市区的铁道线形成了市区易洪易涝的特点,是“7.18”暴雨洪水发生的客观因素;③暴雨洪水是自然灾害,在城市环境下更可能是人祸;④对于频发的城市洪水,应做到未雨绸缪,建设城市排水泄洪设施,建立协调联动的城市综合减灾管理机构,同时加强防洪知识教育,改变防洪观念。
After analyzing the weather system, geography and man-made of the “7.18” storm flood in 2007 in Jinan City, it is considered that: ① The weather system of Mongolia cold air and subtropical high-pressure intersection is the direct cause of heavy rain and heavy rainfall in urban areas ; ② The topographical features of the high and low north of the city of Jinan and the railway lines running through urban areas have formed the characteristics of easy floods in urban areas and are objective factors of “7.18” storm floods; (3) storm floods are natural disasters, The urban environment is more likely to be man-made disasters; ④For frequent urban floods, should take precautions, the construction of urban drainage and flood discharge facilities, the establishment of coordination of the city’s integrated disaster reduction management agencies, and strengthen knowledge of flood control education to change the concept of flood control.