The watershed is an area of land that serves as a catchment for water. From the watershed, the surface water then enters a common outlet in the form of either a body of water, such as a lake, stream, or wetland; or it infiltrate into the groundwater. It is simply an area that drains surface water from high elevation to low elevation. The watershed is a hydrologic unit that is used to be modeled as it is considered fundamental to hydrologic designs and it is used to aid in the study of the movement, distribution, and quality and quantity of water in an area. The watershed analysis is a technique essential in the management, conservation, and planning of the Earth’s natural resources.

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© Springer International Publishing AG 2018

Authors and Affiliations

  • William Bajjali
    • 1
  1. 1.Department of Natural SciencesUniversity of Wisconsin — SuperiorSuperiorUSA

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