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Removal of surface or sub-surface water from an area, either naturally or artificially. Drainage methods are used worldwide to reclaim wet, swampy, or marshy regions. Methods to drain a region include grading, increased soil percolation, drain pipes, or pumping. Geotextiles are often used to prevent erosion of fine particles.

Synonyms and Related Terms

land drainage; water drainage; runoff; soil percolation

Resources and Citations