noun
- the process by which fine particles of sand, clay, or other material are deposited by water or wind, especially in a harbor, river, or reservoir
Usage: environmental science; geology
Examples
- The harbor required regular dredging due to heavy siltation from upstream construction.
- Siltation of the reservoir reduced its water storage capacity by thirty percent.
- Agricultural runoff increased siltation in the nearby river system.
- The dam’s construction led to significant siltation downstream.
- Engineers studied siltation patterns to design better flood control measures.
- Wetland restoration helped reduce siltation in the estuary.