channel improvement

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An engineering scheme that is designed to stabilize a river channel to increase flow speeds, reduce bank erosion, and/or protect against flooding. This might involve decreasing channel roughness (for example by lining the channel with smooth artificial bed and banks), widening and/or deepening the channel (by dredging), or shortening the channel (by straightening it and cutting off meander bends). Also known as channelization.

Subjects: Environmental Science.

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