我国城市绝大部分位于江河湖海滨，据统计：有４０％人口，一百多座大中城市，３５％耕地和１６％工农业产值集中在大江河中下游及东南滨海河流不足八万平方公里的土地上。水孕育了城市发展，同时也会给城市带来灾害。城市规划工作者应提高对城市防洪防灾问题的认识。１尽... The vast majority of cities in China are located on the waterfront of rivers and lakes. According to statistics, there are 40% of the population, more than 100 large and medium-sized cities, 35% of cultivated land and 16% of industrial and agricultural output value concentrated in the middle and lower reaches of the Dajiang River and the southeast coastal rivers with less than 80,000 square kilometers. On the land. Water gives birth to urban development and it also brings disaster to the city. Urban planners should raise awareness of urban flood prevention and disaster prevention. 1...