Definitions for "Siltation"
Keywords:  sediment, harbour, mud, river, obstruct
When large amounts of silt and dirt get washed into a stream, making it difficult for salmon to see and breathe.
deposition of sediments from water in channels, harbours, etc
Accumulation of loose river sediment in such a way as to obstruct of change the flow of the river. Often caused by an increase in erosion of topsoils into river systems; often leads to changes in the normal patterns of, and especially to an overall increase in, floods.
the process where a water body becomes filled with silt
reduces the volume of water a lake can hold.
The same as sedimentation.