It was inaugurated in 2008 and ACTS as a tidal barrier to keep seawater out, thus turning the island's most populated district into a water-catchment area and the harbour into a reservoir.

这座大坝落成于2008年，是作为阻挡海水与潮汐的一道屏障而修建的，将这个岛上人口最密集的区域和港口变成了一座水库。

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The Dongdacun Formation consists in ascending order of alluvial fan debris flow deposits, barrier-free clastic littoral deposits and shallow-water carbonate platform tidal-flat deposits.

东达村组自下而上为冲积扇泥石流沉积、无障壁碎屑滨岸沉积和浅水碳酸盐台地潮坪沉积。

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Laterally they interfinger each other and their sedimentary environment be-longs to the barrier island-la goon system of microtidal coastal type(tidal range0-2m).

它们在横向上呈指状交错关系，其沉积环境隶属于小潮海岸型障壁岛—泻湖沉积体系。

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He said although the barrier had proved an effective defence, a tidal barrier was needed further downstream.

BBC: Thames Barrier engineer says second defence needed

Habitats in the biosphere reserve comprise barrier islands, beach and sand dunes, salt marshes, maritime forests, tidal creeks, fresh and brackish water impoundments and open water areas.

UNESCO: Biosphere Reserve Information