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Drainage is the natural or artificial removal of a surface's water and sub-surface water from an area with excess water. The internal drainage of most...

A drainage basin is an area of land where all flowing surface water converges to a single point, such as a river mouth, or flows into another body of...

Acid mine drainage, acid and metalliferous drainage (AMD), or acid rock drainage (ARD) is the outflow of acidic water from metal mines and coal mines...

sewage, and support mining operations. Drainage, which involves the removal of surface and sub-surface water from a given location, is often studied...

A drainage divide, water divide, ridgeline, watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins....

Tile drainage is a form of agricultural drainage system that removes excess sub-surface water from fields to allow sufficient air space within the soil...

A drainage basin is an extent of land where water from rain and melting snow or ice drains downhill into a body of water, such as a river, lake, reservoir...

geomorphology, drainage systems, also known as river systems, are the patterns formed by the streams, rivers, and lakes in a particular drainage basin. They...

in a drainage basin Drainage system (agriculture), a system by which water is drained on or in the soil to enhance production Sustainable drainage system...

for the prediction of the salinity of soil moisture, groundwater and drainage water, the depth of the watertable, and the drain discharge (hydrology) in...

The Ministry of Water Supply (Sinhala: ජලසම්පාදන අමාත්‍යාංශය, romanized: jalasampādana amātyāṁśaya; Tamil: நீர்வழங்கல் அமைச்சு, romanized: Nīrvaḻaṅkal...

National Water Supply and Drainage Board (commonly abbreviated as NWSDB) is the National Organization responsible for the provision of safe drinking water and...

for water, yet the prime purpose is drainage of the area along the full length of the pipe via its perforations and to discharge any surplus water at its...

a drainage basin that normally retains water and allows no outflow to other, external bodies of water (e.g. rivers and oceans); instead, the water drainage...

connect to the storm drain. Since many storm drainage systems are gravity sewers that drain untreated storm water into rivers or streams, any hazardous substances...

of water that can only be mobilized through better irrigation efficiency on already irrigated "old lands" as well as the reuse of drainage water and...

and other water bodies. All basins larger than 400,000 km2 (150,000 sq mi) are included as well as selected smaller basins. It includes drainage basins which...

Sustainable drainage systems (also known as SuDS, SUDS, or sustainable urban drainage systems) are a collection of water management practices that aim...

retention/detention and septic chambers, polyvinyl chloride drainage structures, fittings, and water filters and water separators. It is the largest maker of high-density...

irrigation water to leach the soil, so that it will be drained and discharged through an appropriate drainage system. The salt concentration of the drainage water...