watershed


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watershed,

elevation or divide separating the 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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, or drainage basin, of one river system or group of river systems from another system or group of systems. The term is also often used synonymously with drainage basin. The continental divide in the US along the Rocky Mts. forms the watershed division between westward-flowing and eastward-flowing streams; the Mississippi watershed extends from the Rockies to the Appalachians. Often the watershed is a range of mountains, the two sides of which have widely different climatic characteristics, as in the Americas and Australia. The low Valdai Hills are an important watershed of Russia.
The Columbia Electronic Encyclopedia™ Copyright © 2013, Columbia University Press. Licensed from Columbia University Press. All rights reserved. www.cc.columbia.edu/cu/cup/

Watershed

Area of land that, as a result of topography, drains to a single point or area.
Illustrated Dictionary of Architecture Copyright © 2012, 2002, 1998 by The McGraw-Hill Companies, Inc. All rights reserved

watershed

[′wȯd·ər‚shed]
(hydrology)
The drainage area of a stream.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

watershed

1. A dividing line between drainage areas.
2. A wash, 1.
3. A water table, 1.
4. An area from which a community or region receives its supply of water.
McGraw-Hill Dictionary of Architecture and Construction. Copyright © 2003 by McGraw-Hill Companies, Inc.

watershed

the dividing line between two adjacent river systems, such as a ridge
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005
References in periodicals archive ?
The BWD protects and maintains several watersheds, as a primary source of water for the residents and the commercial establishments.
It was then that the sad story of the Angat Dam watershed began to unravel in 1989 when the NPC brazenly issued permits to cut trees in the Angat Dam reservation that saw the destruction of the watershed.
Since LTG's investment in 2016, Watershed has made good progress developing its suite of analytical tools and delivering compelling insights for a number of blue-chip customers.
The treatment programs offered at The Watershed include a medical detoxification center, inpatient rehabilitation facility, Partial Hospitalization Program (PHP), Intensive Outpatient Program (IOP), and sober living communities.
'This is geared towards integrated watershed management plan to reforest, maintain favorable environmental conditions and to improve the quality and amount of potable water supply to our constituents,' he added.
The city employs around 240 forest guards to implement environmental laws in the watersheds, with the guards provided around P2,000 allowance each month.
Fazal Maken, welcomed participants specially from Nepal and Sri Lanka and said that training Workshop on improving skills for promoting sustainable watershed management practices in South Asia will be a source of effective skill development on improved watershed management practices, strengthening regional linkages, especially with Nepal and Sri Lanka.
Thus appropriate watershed analysis is vital to surmount this problem [2].Watershed analysis using Remote Sensing (RS) and Geographic Information System (GIS) is very precise and proficient tool as compare to other manual watershed analysis.
The concentrations of Pb and Cd were found higher in watershed channels as compared to that of Panjkroa River.
Investment consultancy Ellwood Associates has completed its acquisition of Watershed Investment Consultants, following the approval of consent agreements from all of Watershed's clients, the company said.