城市内涝已经越来越成为我国城市发展的一大软肋。这种由强降水或连续性降水超过城市排水能力导致城市内积水的灾害现象,已受到人们的广泛关注。近年来,像北京、南京、南昌、成都、广州、深圳、重庆、武汉、杭州等城市,相继加入“水城”队伍。“城市内涝”更是2011年雨季的高频热词。6月23日一场暴雨让古老的京城狼狈不堪,城区多处积水,多条道路 Urban waterlogging has become a major weakness in the development of our cities. This phenomenon of catastrophic precipitation caused by heavy precipitation or continuous precipitation exceeding the urban drainage capacity has attracted much attention in the world. In recent years, like Beijing, Nanjing, Nanchang, Chengdu, Guangzhou, Shenzhen, Chongqing, Wuhan, Hangzhou and other cities, have joined the “Water City” team. “City waterlogging ” is the high-frequency hot words of the 2011 rainy season. June 23 a heavy rain so that the ancient capital any of the city, many water, multiple roads