drainage basin

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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 ?
Students are to create their water catchment area model out of readily available or recycled materials.
CEBU CITY - The Department of Environment and Natural Resources (DENR) 7 is pushing for the construction of water catchments in upstream areas to serve as an immediate solution to flood and to enable irrigation in downstream areas during the dry season.
Hudson [7], Pacey and Cullis [8] have considered the innovation and use of rain water catchment systems in the form of grooves constructed on the contour lines by excavating (Banquette) and creating short walls on contour line by pebbles collected from ground surface and the platform configuration of slope hillsides with the aim of harvesting and obtaining rain water for storing moisture in the soil profile to supply water for plants in many countries such as Ethiopia, Algeria, Morocco, Tunisia, Brazil and Mexico are considered to belong to previous periods.
To provide water for all, PUB calls on all Singaporeans to play our part to conserve water, keep our water catchments and waterways clean and build a relationship with water so we can enjoy our water resources.
The high complexity of the drinking water distribution systems and the necessity to monitor the parameters reffering to the raw water catchment stations as well as the measuring instruments as: water turbidity, valves' state, the flow on the loading tanks', the drinking water level in the tanks and the pressure at the customers, impose intelligent monitoring well mathematical based solutions and concretized by the conceiving of the knowledge-based intelligent systems (Egri A, 2002) for control and monitoring.
The team also installed two new water catchment tanks and guttering to route rain water into them.
It is the national water agency managing Singapore's water supply, water catchment and used water in an integrated way.
These sudden and heavy rains present opportunities for water catchment.
An Act of Parliament was passed for the compulsory purchase of the 180 square kilometres water catchment area of the Elan and Claerwen Valleys and the building work began in 1893.
SCI has been working on restoring and maintaining water catchment systems (big game wells and small game "guzzlers") in the Preserve for several years.
Among the most innovative environmental features of the new landmark building are: photovoltaic cells integrated within the exterior walls capable of generating five percent of the building's base electric load; highly filtered fresh air supply to each residence; an air conditioning system fueled by natural gas and free of ozone depleting refrigerants; an onsite water treatment system that treats and recycles water; storm water catchment system to irrigate the rooftop garden; a building management and monitoring system to control and monitor air quality, energy consumption and maintain optimum performance of all building systems; and the use of materials which both contain high recycled content to conserve natural resources.
The contract covers the construction of a seven-kilometre railway embankment and two railway bridges, as well as groundwater protection and water catchment for the Bothnia Line, south of Ornskoldsvik.