Brief introduction of Zhanghe River

Zhanghe River is a tributary of the South Canal of Haihe River system in northern China. The upper reaches are composed of two rivers, one is Qingzhang River and the other is Zhangzhuo River, both of which originate from Changzhi City, Shanxi Province. As a boundary river, the downstream divides the boundary between Hebei Province and Henan Province in sections, joins Weihe River in Guantao County, Handan City, Hebei Province, and is called Zhangwei and Weisheng Canal, which enters the South Canal of Haihe River system. Zhanghe River flows through 2 1 county and city in three provinces and four cities, with a length of about 4 12 km and a drainage area of 1.82 million square kilometers. 1 total length of main stream of Zhanghe River 179 km. Due to the huge gap between the upper and lower reaches of the river basin, disasters occurred frequently in the history of Zhanghe River, and people along the river suffered greatly. Managing rivers and controlling water has a long history. As early as the Warring States Period, when Ximen Bao ruled Yeh, he built 12 canals (Ximen Diversion Canal) in Linzhang County, Hebei Province to lead to Zhanghe River. After the founding of People's Republic of China (PRC), Zhangze Reservoir, Yuecheng Reservoir, Hongqi Canal and Zhang Nan Canal were successively built. It has played a role in agricultural production and flood control in the basin.