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Flood barrier
From Wikipedia, the free encyclopedia
A flood barrier, surge barrier or storm surge barrier is a specific type of floodgate, designed to prevent a storm surge or spring tide from flooding the protected area behind the barrier. A surge barrier is almost always part of a larger flood protection system consisting of floodwalls, levees (also known as dikes), and other constructions and natural geographical features.
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Flood barrier may also refer to barriers placed around or at individual buildings to keep floodwaters from entering the buildings.