A flood barrier, surge barrier of 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 dykes), and other constructions and natural geographical features.
Surge barriers allow water to pass under normal circumstances but, when a (storm) surge is expected the barrier, can be closed. The means of closing can consist of various forms of gates.
Famous quotes containing the words flood and/or barrier:
“My ark sings in the sun
At God speeded summer’s end
And the flood flowers now.”
—Dylan Thomas (1914–1953)
“The want of education and moral training is the only real barrier that exists between the different classes of men. Nature, reason, and Christianity recognize no other. Pride may say Nay; but Pride was always a liar, and a great hater of the truth.”
—Susanna Moodie (1803–1885)