Flood management
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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
Levee
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A levee, is an elevated ridge alongside the banks of a river, often intended to protect against flooding of the area adjoining the river. Alternatively, it is called a dike, dyke, floodbank, or stop b
Flood management
…non-structural: Structural flood management (i.e.: flood control) is the reduction of the effects of a flood using physical solutions, such as reservoirs, levees, dredging and diversions. Non-structural flood management includes land-use planning, advanced warning systems and flood insurance. Further examples…
The side of a levee in Sacramento, California
A reinforced embankment
Broken levee on the Sacramento River
A levee keeps high water on the Mississippi River from flooding Gretna, Louisiana, in March 2005.