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“滚滚长江东逝水,浪花淘尽英雄。是非成败转头空。青山依旧在,几度夕阳红。”浩浩荡荡的长江水自西向东奔流不息,也在创造着新的地貌。长江中大大小小的岛屿就是江水的杰作。入海冲积而成的崇明岛上海的崇明岛,位于长江入海口。那里地势低平,平均海拔只有3.5~4.5米。它是长江流水冲积形成的,学名叫做冲积岛。在长江的入海口,当携带了大量泥沙的江水突然遇到宽阔的海洋时,流速就会降低,泥沙便会淤积。时间越长,淤积就越
“The Yangtze River flows east of the Yangtze River water, spray Amoy Heroes .And the success or failure of the air .Aoyama still in, several sunset red.” The mighty Yangtze River running from west to east, but also to create a new landscape . The islands in the Yangtze River, large and small, are the river’s masterpieces. Chongming Island into Chongming Island Shanghai Chongming Island, located in the estuary of the Yangtze River. Where flat low level, the average elevation of only 3.5 to 4.5 meters. It is formed by the Yangtze River alluvial, scientific name is called alluvial island. At the mouth of the Yangtze River, when the river carrying large amounts of sediment suddenly encounters a wide ocean, the flow rate will be reduced and the sediment will be deposited. The longer, the more siltation