Well drainage

（重定向自Drainage well）

Map of a well field for subsurface drainage with radial flow across concentrical cylinders representing the equipotentials

Geometry of a fully penetrating well drainage system in a uniform, isotropic aquifer

Geometry of a partially penetrating well drainage system in an anisotropic layered aquifer

Output of WellDrain program, well-spacing=920m

Well drainage means drainage of agricultural lands by wells. Agricultural land is drained by pumped wells (vertical drainage) to improve the soils by controlling water table levels and soil salinity.

单词	Drainage well
释义	Drainage well 英语百科 Well drainage （重定向自Drainage well） Well drainage means drainage of agricultural lands by wells. Agricultural land is drained by pumped wells (vertical drainage) to improve the soils by controlling water table levels and soil salinity.
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