There is a huge tidal sand system which is composed of the old sand body distributing in the coastal plain and the radial sand ridge distributing in south Huanghai Sea.

苏北陆区古潮成沙体和海域辐射沙洲共同构成了统一的苏北南黄海潮成沙洲体系。

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There are many hydraulic fill projects on the overbank flood plain near river and sea. These projects not only utilize shallows-tidal-flat area but also benefit to dredge the waterways.

在江海近岸滩地上筑堰吹填粉细砂来造地，既开发了滩涂，又疏浚了航道，还具有成本低的优点。

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The works are designed to protect the Erch flood plain against tidal flooding for 10 years while a permanent solution to the problem is investigated.

BBC: Flood defences being built