Why is there a wonderful scene of Yuanyang pot in Chaotianmen, Chongqing?

Chongqing Chaotianmen Wharf is located at the intersection of Yangtze River and Jialing River. In normal times, the color difference between the two rivers is not particularly great, but at a certain time, the river surface presents such a scene. The turbid and clear rivers meet in this water area, just like a mandarin duck pot in a hot pot, which quickly attracts everyone's attention.

"The reason for this wonderful scene is actually that there is a lot of rainfall in the upper reaches of Sichuan and Shaanxi, and there is no rainfall in the upper reaches of Jialing River." This kind of thing is inevitable in the flood season. This is actually due to the difference in sediment concentration between the two rivers. This is not only the Yangtze River, but also the Jialing River. Other places where the two rivers meet, or where the two seas meet, will also happen.

"The specific composition of the river water body, as well as the different material composition and sediment concentration contained in the water, will cause the color change of the river. If the color difference between the two rivers is particularly large, their intersection will form a particularly clear line. " If it rains and other weather, the sediment volume of the two rivers will change greatly in a short time, and the boundary of their intersection will become clearer and longer, resulting in a "distinct" scene.

The word "distinct" actually comes from Jinghe River and Weihe River, which refers to the scene where clear water and turbid water meet in one place. This happens not only at the intersection of the Yangtze River and Jialing River, but also in other places where the two rivers meet and the rivers flow into the sea.

The phenomenon of "distinct" is not only because of people's migration and cultural habits, but also because of the influence of human activities.