drainage basin

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Related to Water catchment area: catchment basin, drainage basin, watershed, Water basin

drainage basin:

see catchment areacatchment area
or drainage basin,
area drained by a stream or other body of water. The limits of a given catchment area are the heights of land—often called drainage divides, or watersheds—separating it from neighboring drainage systems.
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drainage basin

[′drān·ij ‚bā·sən]
(hydrology)
An area in which surface runoff collects and from which it is carried by a drainage system, as a river and its tributaries. Also known as catchment area; drainage area; feeding ground; gathering ground; hydrographic basin.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

drainage basin

The area within which all surface water flows toward the lowest point of its elevation.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.
References in periodicals archive ?
3) ion delivery to the water catchment area is to the amount of 30% determined by the anthropogenic impact as the result of the sodium delivery from the waste pits of the populated areas as well as the result of operation of the livestock breeding complexes and application of mineral fertilizers;
He said logging activities at the water catchment area will destroy the water source and put all three northern states in jeopardy.
In September, Water, Land and Natural Resource Minister Dr Xavier Jayakumar was also reported to have said that the Federal Government considered the decision of the state government to stop logging activities and immediately revoke logging licences in the Ulu Muda Forest Reserve as the best decision to prevent water catchment areas from being polluted.
GROUP RANCHESHowever, six years later, five group ranches ndash Sisiyan, Nkaroni, Enoosokon, Enakishomi and Reyio ndash which had emerged with the backing of some politicians encroached onto the trust land, taking a large portion of the 17,000ha in which the 100,000 members of the Ogiek community lived and forcing them to the peripheries."It is the owners of the group ranches in which some politicians from the region have vested interests who are propagating the destruction witnessed in the water catchment area today.
The race was established with the aim of promoting conservation of the environment around the water catchment area and providing quality education through the Uzalendo School.
The Kedah state government is ready to discuss with the Penang and Perlis governments on logging issues in Ulu Muda, Sik, in an effort to protect the area and retain it as a water catchment area for common interests.
He also noted that the Jubilee Party government will be remembered for saving the mega water catchment area from encroachment.
The Penang government will hold discussions with the Kedah and the federal governments on the Ulu Muda logging issue which poses a threat to the water catchment area at the Muda Dam there.
brHe said the proposed site is not a water catchment area and would not cause any environmental degradation.
Mau Forest, the biggest water catchment area in the region, has been a hot potato for years.