1, Yu, the legendary leader of ancient tribal alliance in China, was the earliest leader of flood control in China. He changed the simple method of blocking the front to the method of dredging, and achieved success. His spirit of managing water for thirteen years and caring for the thatched cottage has been praised so far. His thought of water control is still worth learning.

2. Sun Shuai, a thinker of Chu State, was a politician, strategist and water conservancy scientist at that time. In 605 BC, he presided over the construction of Qisilou Irrigation District, the earliest large-scale diversion irrigation project in China.

Because the total length of the two diversion rivers in this irrigation area exceeds 100 Li, the famous Gubeitang irrigation project in Huaihe River Basin was built under the leadership of 598-59 BC1year, which is called Anfengtang. Its circumference is 65,438+020 Li, which irrigates all fields. Up to now, it has been playing an important role in irrigation efficiency for more than 2500 years.

3. Ximen Bao, a native of Hebei, was a native of Wei during the Warring States Period. He is a famous politician and water conservancy scientist in the history of China. In Wei Wenhou, he served as Ye Ling, presided over the construction of the irrigation project of the Zhanghe 12 canal, built a dam-free water intake hub and a 12 low overflow weir on the Zhanghe River, and introduced the 12 irrigation canal, which not only reduced the flood disaster of the river, but also enriched the soil.

After the continuous renovation of the 12 th canal of Zhangyin, the irrigation efficiency lasted for more than 65,438+0,000 years from the Tang Dynasty to Zhide. After Ximen Bao's death, the people of Yedi built the Doctor Ximen Bao Temple where he was in charge of water conservancy, and Song Mingqing also erected a monument for him. Until now, there is another channel called Siemens Canal in Linzhang, Hebei Province.

4. Li Bing, after the destruction of King Zhao of Qin (256 BC-25 BC1year), was appointed as the commander of Shu and led the construction of many water conservancy projects, the most important of which was Dujiangyan project. Dujiangyan project still plays a great role in irrigation efficiency. In memory of Li Bing, Li Bing Temple was built as early as the Tang Dynasty.

5. Wang Jing, a native of Langya Buqi (now southwest of Jimo County, Shandong Province), was a water conservancy engineer in the Eastern Han Dynasty. Since childhood, he has read a lot of books, learned a lot, mastered a variety of skills, and is particularly enthusiastic about water conservancy project construction. In the 12th year of Yongping (69 years), he presided over the management of the Yellow River and Bianhe River by hundreds of thousands of people.

The unruly Yellow River has been safe and sound for 800 years. Later generations spoke highly of Wang Jing's "separation of its branches" and set the course. History is full of praise for Wang Jing: "Wang Jing ruled the river for thousands of years without suffering."

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