A floodwall is a freestanding, permanent, engineered structure designed to prevent encroachment of floodwaters. Floodwalls are mainly used on locations where space is scarce, such as cities or where b
A floodwall at Zruč nad Sázavou, Czech Republic
Floodwall in Sunbury, Pennsylvania
Floodwall and a sliding gate in New Orleans French Market (1986)
Floodgates, also called stop gates, are adjustable gates used to control water flow in flood barriers, reservoir, river, stream, or levee systems. They may be designed to set spillway crest heights in
Flood wall
…property thus protected from damage caused by flooding. Floodwalls are sometimes bad for ecosystems. Floodwalls are almost always built in cities. Floodgate Levee…
Tokyo floodgates created to protect from typhoon surges