From the end of Ming Dynasty to the Mid-Qing Dynasty, China painting arena turned on a rich profusion of paintings of various schools, among which Xin an painting school is an outstanding one featured with easiness, calmness and simplicity.

In order to achieve hyper-sediment concentration transportation, the Xiaolangdi Reservoir should adopt the operational mode of "storing muddy water and releasing the clear, scouring the channel by clear water, increasing sediment concentration through scouring and tr.