At present, the main materials in the tidal bank process in the area are the sediments on the tidal bank, and the sediments from the Zhangweixin River are the main material source for this area.

The biggest cause for worry about China is the third point of similarity to Japan: the recent tidal wave of bank lending.

Although the Beilun Port is at the south bank of the mouth of Hangzhou Bay, its tidal features are different from that in the bag and in other areas off Zhejiang Province.