Engineering options available to prevent flooding

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Engineering options available to prevent flooding

The flooding of rivers is a natural and essential part of river basin processes and is only a hazard because they can affect people's lives.

Flooding occur when a large volume of water enters a river system quickly and cannot be contained within the river channel.

By analysing a river basin carefully we can learn and predict how likely it is to flood. This information can be used to reduce the damage caused by such events, or perhaps even to modify future events themselves.

Engineering structures impose the most response and cause to flood hazards.

The term 'flood protection' is a misleading term, as protection is only as good as the design of the protection scheme itself. Once a flood protection scheme is breached the damage is likely to be greater, causing damage to buildings and surroundings, which can be very expensive and harmful.

River management schemes concentrate widely on reducing flood losses, rather than preventing flooding altogether.

Embankments, Levees, and floodwalls.
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A levee is a barrier that holds water away from the surrounding buildings and land. It can protect your home from flooding as well as from the force of water from rivers.

A properly built levee takes a lot of space. Its sheer mass keeps it from moving. Long, gentle side slopes increase stability and provide for easier maintenance. Levees must be built to withstand the forces of standing water and flowing water.

The main function of a levee is to restrict flooding to defined limits and to allow easier control of flooding in certain areas. ...

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