Floodgate
Videos
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
Tokyo floodgates created to protect from typhoon surges
Discharge from a Howell-Bunger valve
Harran canal GAP
Floodgate floodwall
Flood management
Videos
Flood management or flood control are methods used to reduce or prevent the detrimental effects of flood waters. Flooding can be caused by a mix of both natural processes, such as extreme weather upst
A weir was built on the Humber River (Ontario) to prevent a recurrence of a catastrophic flood.
A floodwater storage pond, in its usual empty state. It is intended to soak up flood water and release it slowly.
The same pond, full of the water it is detaining, during a flood. Once the peak of the flood has passed, it will slowly drain again.
Relationship between impervious surfaces and surface runoff