Design And Ma... - Reservoir Sedimentation Handbook:
Key techniques include sediment bypassing , drawdown/empty flushing (releasing water to scour out settled sediment), and turbidity current venting .
Here is a useful, real-world story of successful sediment management highlighted by the principles in the handbook: The Story: The Nunobiki Reservoir (Japan) Reservoir sedimentation handbook: design and ma...
Instead of just letting the dam die or performing expensive dredging, operators utilized Sediment Bypass Tunnels (SBT) . These tunnels are engineered to route sediment-laden inflow around the dam storage pool during floods. The Nunobiki Dam in Japan was severely impacted
The Nunobiki Dam in Japan was severely impacted by sediment, restricting its capacity to store water, which is a common fate for older dams, often losing 1% of their capacity annually, per 1998 Morris and Fan . restricting its capacity to store water
The handbook warns that the "sudden loss of the world's reservoir capacity would be a catastrophe," yet the slow loss of capacity is often ignored until it is too late.