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雨洪是城市极具破坏力的自然灾害之一,为及时了解城市暴雨状况及其造成的影响,借助网络媒体平台,统计了2012年我国媒体报道主要城市暴雨事件,整理出128场媒体报道的事件。从统计结果可知,暴雨主要发生在东南沿海及北部沿海地区;并呈现时间分布提前、降雨总量大、降雨强度大和降雨集中的特点。按照原生灾害、次生灾害和衍生灾害三种灾害类型分析了暴雨事件对城市产生的影响和对社会造成的危害,以引起社会的广泛关注。
Rain flood is one of the most devastating natural disasters in the city. In order to keep abreast of the urban rainstorm situation and its impact, with the help of the online media platform, statistics on the heavy rain events of major cities in China in 2012 were collected and 128 media reports event. It can be seen from the statistical results that the heavy rain mainly occurred in the southeast coast and the northern coastal areas, and showed the characteristics of early distribution of time, large total rainfall, heavy rainfall intensity and concentrated rainfall. According to the three types of disasters, primary disasters, secondary disasters and derivative disasters, the impact of the rainstorm on the cities and the harm caused to the society were analyzed to attract wide public concern.