Dredging
Dredging
Dredging (/ˈdrɛdʒɪŋ/) is a process that involves the removal of sediments and debris from the bottom of lakes, rivers, harbors, and other water bodies. It is a routine necessity in waterways around the world because sedimentation—the natural process of sand and silt washing downstream—gradually fills channels and harbors.
Etymology
The term "dredging" comes from the Old English word "dræge", which means to drag or pull. It was first used in the context of removing sediment from water bodies in the early 15th century.
Related Terms
- Sedimentation: The process of settling or being deposited as a sediment.
- Silt: Fine sand, clay, or other material carried by running water and deposited as a sediment.
- Waterway: A river, canal, or other route for travel by water.
- Harbor: A place on the coast where vessels may find shelter, especially one protected from rough water by piers, jetties, and other artificial structures.
- Channel: A length of water wider than a strait, joining two larger areas of water, especially two seas.
See Also
External links
- Medical encyclopedia article on Dredging
- Wikipedia's article - Dredging
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