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The Amazon basin is the part of South America drained by the Amazon River and its tributaries. The Amazon drainage basin covers an area of about 7,000,000 km 2 (2,700,000 sq mi), [ 1] or about 35.5 percent of the South American continent. It is located in the countries of Bolivia, Brazil, Colombia, Ecuador, Guyana, Peru, Suriname, and Venezuela ...
In hydrology, the drainage basin is a logical unit of focus 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 drainage basin is an important step in many areas of science and engineering.
Watersheds of North America are large drainage basins which drain to separate oceans, seas, gulfs, or endorheic basins. There are six generally recognized hydrological continental divides which divide the continent into seven principal drainage basins spanning three oceans ( Arctic, Atlantic and Pacific) and one endorheic basin.
The Orinoco(Spanish pronunciation:[oɾiˈnoko]) is one of the longest riversin South Americaat 2,140 km (1,330 mi). [2] Its drainage basin, sometimes known as the Orinoquia,[5]covers ca 1 million km2, with 65% of it in Venezuelaand the 35% in Colombia. It is the fourth largest riverin the world by dischargevolume of water.
The La Plata basin is bounded by the Brazilian Highlands to the north, the Andes Mountains to the west, and Patagonia to the south. The watershed extends mostly northward from the source of the Río de la Plata for roughly 2,400 kilometres (1,500 mi), as far as Brasília and Cuiabá in Brazil and Sucre in Bolivia, spanning latitudes between 14 and 37 degrees south and longitudes between 43 and ...
The Continental Divide in North America in red and other drainage divides in North America The Continental Divide in Central America and South America. The Continental Divide of the Americas (also known as the Great Divide, the Western Divide or simply the Continental Divide; Spanish: Divisoria continental de América, Gran Divisoria) is the principal, and largely mountainous, hydrological ...
Altiplano. A map of the endorheic river basins that characterize the altiplano. In the north is Lake Titicaca and the Desaguadero River system; in the south is the Salar de Uyuni salt flat. The non-endorheic altiplano extends southward into Argentina and Chile. The Altiplano ( Spanish for "high plain"), Collao ( Quechua and Aymara: Qullaw ...
A drainage divide, water divide, ridgeline, [ 1] watershed, water parting or height of land is elevated terrain that separates neighboring drainage basins. On rugged land, the divide lies along topographical ridges, and may be in the form of a single range of hills or mountains, known as a dividing range. On flat terrain, especially where the ...