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(一)宋代汴口岁浚制度 汴口工程主要受到黄河三方面影响:一是黄河主流经常摆动;使汴渠取水得不到保证;二是黄河洪水常常冲毁汴口工程设施,三是黄河泥沙每年对汴渠取水段造成严重淤塞。为解决上述三个问题,宋代制定了每年挑浚汴口的制度。在挑浚淤
(1) The system of Suikou Sui Chun in Song Dynasty The Suikou project is mainly affected by three aspects of the Yellow River: the first is that the mainstream of the Yellow River is always swung; the Sui Channel is not guaranteed; and the Yellow River floods often destroy Sukou engineering facilities and the third is the Yellow River Sediment every year on the canal drainage caused serious blockage. In order to solve the above three issues, the Song Dynasty formulated a system that dredges every year. Jun dredging in the pick