flood barrier
specific type of floodgate, designed to prevent a storm surge or spring tide from flooding the protected area behind the barrier
West Return Floodwall
flood wall in New Orleans, Louisiana, United States
Tidal Surge Barrier, River Hull
architectural structure in Kingston upon Hull, UK
Seabrook Floodgate
bridge in New Orleans, Louisiana
Eider Barrage
coastal protection structure in the estuary of the river Eider
Thames Barrier
flood defence in London
MOSE
flood barrier in Venice