１转变观念蓄洪减灾建国５０多年来，沧州的水环境发生了历史性变化。２０世纪５０年代以前，沧州地上水源充沛，遍布全市的坑塘洼淀常年积水，鱼翔浅底；白洋淀、子牙河及南运河等主要河道，川流不息，舟楫相连，水运繁盛。地下水源也很丰富，地下水埋深仅１～２m。每到雨季， 1 change the concept of flood control and disaster reduction More than 50 years after the founding of the PRC, Cangzhou water environment has undergone a historic change. Before the 1950s, Cangzhou abundant groundwater throughout the city’s Hangtangwa Lake perennial hydrothorax, fish Xiang shallow bottom; Baiyangdian, Ziya River and the South Canal and other major rivers, endless stream, the boat is connected, water prosperity. Groundwater is also very rich in groundwater depth of only 1 ~ 2m. Every rainy season,