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Watershed delineation is the process of identifying the boundary of a watershed, also referred to as a catchment, drainage basin, or river basin.It is an important step in many areas of environmental science, engineering, and management, for example to study flooding, aquatic habitat, or water pollution.
It includes drainage basins which do not flow to the ocean (endorheic basins). It includes oceanic sea drainage basins which have hydrologically coherent areas (oceanic seas are set by IHO convention). The oceans drain approximately 83% of the land in the world. The other 17% – an area larger than the basin of the Arctic Ocean – drains to ...
Drainage basin – Land area where water converges to a common outlet; Drainage divide – Elevated terrain that separates neighbouring drainage basins; Draw – Terrain feature formed by two parallel ridges or spurs with low ground in between; Drumlin – Elongated hill formed by glacial action
Drainage basins drain into other drainage basins in a hierarchical pattern, with smaller sub-drainage basins combining into larger drainage basins. In closed ("endorheic") drainage basins the water converges to a single point inside the basin, known as a sink , which may be a permanent lake, dry lake , or a point where surface water is lost ...
The Río de la Plata basin (Spanish: Cuenca del Plata, Portuguese: Bacia do Prata), more often called the River Plate basin in scholarly writings, [1] sometimes called the Platine basin [2] or Platine region, [3] is the 3,170,000-square-kilometre (1,220,000 sq mi) [4] hydrographical area in South America that drains to the Río de la Plata.
Drainage basin of the Ohio River, part of the Mississippi River drainage basin. In hydrology, the drainage basin is a logical unit of focus [clarification needed] for studying the movement of water within the hydrological cycle. The process of finding a drainage boundary is referred to as watershed delineation. Finding the area and extent of a ...
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Download as PDF; Printable version; In other projects Wikidata item; Appearance. move to sidebar hide. ... Drainage basins of Bolivia (1 C) Drainage basins of Brazil ...