![]() The reeded edge of the river is also in the process of being restored so that the future reed grown for thatching is as healthy as possible. In the short video below, filmed near Stokesby on the River Bure, dredged sediment is being used to strengthen the floodbank which protects the land behind from high water levels. Suction dredging uses a floating platform with an engine that powers a pump. The sediment is passed along tubes to an adjacent disposal site, often a field of low ecological quality.įurthermore, the Authority’s maintenance dredging activities in the Broadland rivers generates thousands of tonnes of sediment each year. The two dredging methods routinely used are grab (or excavator) and suction. Reuse dredged sediment wherever possible.Define desired channel dimensions in order to plan what future dredging will be needed.Work with other organisations to reduce the amount coming in.Identify how much sediment is coming into the Broads.To protect navigation channels and this internationally important wetland we aim to: We hope improvements in water quality, measures to reduce bank erosion, to improve bank protection and to manage flood risk will lessen the need for dredging. Over the years, sediment has increased as a result of environmental changes including increased algae in the lakes and soil erosion. Dredging is one of our key tasks, both to maintain adequate water depth for boaters and as part of our work to improve water quality.
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