Two-stage channels (TSC) consist of constructed floodplains on one or both sides of the existing main channel. Their design mimics the natural geometry of lowland streams that have a rather small main channel with adjacent frequently flooded floodplains. The TSC design aims at optimising the transport of both water and sediment, and offer several benefits in terms of ecological, hydrological, and environmental aspects.
Click through the slideshow below to learn more about two-stage channels. Be sure to also check out the videos below for some examples of two-stage channels.
