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How Engineers Stop Floods: High-Tech Solutions for Flood Control

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The Thames Barrier in England
The Thames Barrier prevents flooding along the Thames River in England

The Thames Barrier prevents flooding along the Thames River in England

Photo © Jason Walton/iStockPhoto.com
In England, engineers developed an innovative movable flood barrier to prevent flooding along the Thames River. Made of hollow steel, water gates on the Thames Barrier are normally left open so ships can pass through. Then, as needed, the water gates revolve shut to stop water flowing through and to keep the level of the Thames River safe.

The Thames Barrier gates were constructed between 1974 and 1984 and have been closed to prevent floods more than 100 times.

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