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.

drainage basin

The area within which all surface water flows toward the lowest point of its elevation.
References in periodicals archive ?
In general, the active ion removal observed at the water catchment area takes place to their high migration capacity as well as flushing water regime of the investigated region near the southern offshoot of the Timan Ridge with the developed karst.
Many of the floods and landslides which hit Indonesia every wet season are blamed on rampant illegal logging and unchecked development in water catchment areas.
We lived in Liwa, which was inhabited by small tribes settling around water catchment areas, where the life was harsh.
6% of the total land area of Kenya, are also the country's main water catchment areas, says Christian Lambrechts, an analyst with the Kenya Forest Working Group.
Rotich added, It will also be used to enhance road safety as well as improve the protection of water catchment areas.
Many of the disasters are blamed on rampant illegal logging and unchecked development in water catchment areas.
Investment in the irrigation infrastructure as well as sustainable water and soil management across the water catchment areas are better adapted to the impacts of climate change.
Methods of reducing possible water pollution from farming practices, particularly in ground water catchment areas near boreholes used for public water supply, are being trialled as part of the WAgriCo project.
5m small holder flood plains development programme in Malawi which aims at improving the availability of water throughout the year through a combination of irrigation development, better crop production techniques, training on the importance of protecting the water catchment areas for irrigation and credit to enable farmers to finance their on-farm investments.
Currently, 14 trilateral activities are being implemented, including support for the GoSA to address food security issues in southern Africa, improving the adjudication of gender based violence in Malawi and Angola, building the capacity of the Southern Africa Development Community to respond to global climate change, assessing human health risks in trans-boundary water catchment areas in southern Africa, building the capacity of the African Prosecutors Association and piloting conservation agriculture through a livestock grazing project in southern Zimbabwe.
They also raise fears of disease and flooding but washing human waste and rubbish scattered around the city into water catchment areas, potentially contaminating water supplies and clogging waterways, he added.