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watershed    音标拼音: [w'ɔtɚʃ,ɛd] [w'ɑtɚʃ,ɛd]
n. 分水岭

分水岭

watershed
n 1: a ridge of land that separates two adjacent river systems
[synonym: {watershed}, {water parting}, {divide}]
2: the entire geographical area drained by a river and its
tributaries; an area characterized by all runoff being
conveyed to the same outlet; "flood control in the Missouri
basin" [synonym: {river basin}, {basin}, {watershed}, {drainage
basin}, {catchment area}, {catchment basin}, {drainage area}]
3: an event marking a unique or important historical change of
course or one on which important developments depend; "the
agreement was a watershed in the history of both nations"
[synonym: {landmark}, {turning point}, {watershed}]

Watershed \Wa"ter*shed`\, n. [Cf. G. wasserscheide; wasser water
scheide a place where two things separate, fr. scheiden to
separate.]
[1913 Webster]
1. The whole region or extent of country which contributes to
the supply of a river or lake.
[1913 Webster]

2. The line of division between two adjacent rivers or lakes
with respect to the flow of water by natural channels into
them; the natural boundary of a basin; -- called also
{divide} and {water parting}.
[1913 Webster PJC]

3. a point in time marking an important transition between
two situations, or phases of an activity; a turning point.
[PJC]


Divide \Di*vide"\, n.
A dividing ridge of land between the tributaries of two
streams; also called {watershed} and {water parting}. A
divide on either side of which the waters drain into two
different oceans is called a {continental divide}.
[1913 Webster PJC]


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  • WATERSHED Definition Meaning - Merriam-Webster
    The meaning of WATERSHED is a dividing ridge between drainage areas : divide How to use watershed in a sentence Watershed Has Geographic Origins
  • What is a watershed? - NOAAs National Ocean Service
    What is a watershed? It’s a land area that channels rainfall and snowmelt to creeks, streams, and rivers, and eventually to outflow points such as reservoirs, bays, and the ocean
  • Watersheds and Drainage Basins | U. S. Geological Survey
    A watershed is an area of land that drains all the streams and rainfall to a common outlet such as the outflow of a reservoir, mouth of a bay, or any point along a stream channel
  • Aurora Water - City of Aurora
    In observance of Juneteenth, city of Aurora offices will be closed on Thursday, June 19 All online and pay-by-phone options are available For water and wastewater emergencies, call 303 326 8385 2025 Water Quality Report now available
  • What is a watershed and why does it matter? - Washington State . . .
    A watershed is an area of land where all the water—whether from rain, snowmelt, or springs—drains into a common water body, such as a river, lake, or ocean
  • Explainer: What Is A Watershed? - Earth. Org
    A watershed is an area of land that channels water such as rain and snow to a body of water like a lake, river, or stream This term is often used interchangeably with a catchment area, which indicates the area that carries water to a single examined point
  • Watersheds (U. S. National Park Service)
    Within a watershed, all the water beneath the soil (groundwater) and rain water or snow are drained into the same place such as a stream, lake, or wetland These bodies of water supply us with the water we drink, water for agriculture and manufacturing, and opportunities for recreational activities like canoeing and fishing
  • Basic Information and Answers to Frequent Questions | US EPA
    What is a Watershed? A watershed – the land area that drains to one stream, lake or river – affects the water quality in the water body that it surrounds Like water bodies (e g , lakes, rivers, and streams), individual watersheds share similarities but also differ in many ways
  • Watersheds - Natural Resources Conservation Service
    Watersheds impact everyone; every community, farm, ranch, and forest They provide a vital resource for all living things to survive and thrive All watersheds are interconnected, creating a land-water system that conveys water to its final destination such as a river, lake, wetland, or estuary
  • What is a Watershed How Does it Work? - MWMO
    Simply put, a watershed is the area of land that drains to a particular lake, river or other waterbody The illustration to the right, courtesy of Michigan Sea Grant, illustrates how a typical watershed works When a drop of water falls inside the watershed, it flows toward the main body of water





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