Yi River is mainly a hilly area above Linyi, with serious soil erosion, and its tributaries mostly flow in from the west side, showing asymmetric dendritic shape, rapid water flow, high flood peak and rapid fluctuation. Linyi enters the plain below, and the river is wide and shallow, mainly relying on dikes for flood discharge.
Extended data
Mantis River 1
The Mantis River, located in Yiyuan County, originated from the fourth famous mountain in Shandong Province-the Mantis Cliff in Sanfushan, southwest of Lushan Mountain. It is adjacent to Yiyuan Lushan Cave Group in the east, flows through Nanlushan Town and Nanma Town in the south, passes through Yiyuan County, and flows into yi river in the south of the city, with a total length of 27 kilometers and a drainage area of 187 square kilometers.
2. Dong Wenhe
Dong Wenhe, commonly known as Wenshui, was later renamed Dong Wenhe, which is different from Dawenhe in the north of Mount Tai. Yi River, a tributary, originates from the mountainous area in the middle of Shandong Province and flows into Yunmeng Lake, which is located in Mengyin County and yinan county.
Baidu encyclopedia-Yihe
Baidu Encyclopedia-Dongwenhe
Baidu encyclopedia-mantis river