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The geography of South America contains many diverse regions and climates. Geographically, South America is generally considered a continent forming the southern portion of the landmass of the Americas, south and east of the Colombia–Panama border by most authorities, or south and east of the Panama Canal by some.
South America has an area of 17,840,000 square kilometers (6,890,000 sq mi). Its population as of 2021 has been estimated at more than 434 million. [ 1][ 2] South America ranks fourth in area (after Asia, Africa, and North America) and fifth in population (after Asia, Africa, Europe, and North America). Brazil is by far the most populous South ...
The Amazon River (UK: / ˈ æ m ə z ən /, US: / ˈ æ m ə z ɒ n /; Spanish: Río Amazonas, Portuguese: Rio Amazonas) in South America is the largest river by discharge volume of water in the world, and the longest or second-longest river system in the world, a title which is disputed with the Nile. [3] [19] [n 2]
The Río de la Plata behaves as an estuary in which freshwater and seawater mix. The freshwater comes principally from the Paraná River (one of the world's longest rivers and La Plata's main tributary) as well as from the Uruguay River and other smaller streams. Currents in the Río de la Plata are dominated by tides reaching to its sources ...
Patagonia ( Spanish pronunciation: [pataˈɣonja]) is a geographical region that encompasses the southern end of South America, governed by Argentina and Chile. The region comprises the southern section of the Andes Mountains with lakes, fjords, temperate rainforests, and glaciers in the west and deserts, tablelands, and steppes to the east.
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.
The Paraná River ( Portuguese: Rio Paraná [ˈʁi.u paɾaˈna] ⓘ; Spanish: Río Paraná [ˈri.o paɾaˈna] ⓘ; Guarani: Ysyry Parana) is a river in south-central South America, running through Brazil, Paraguay, and Argentina for some 4,880 kilometres (3,030 mi). [ 3] Among South American rivers, it is second in length only to the Amazon River.
The Orinoco Basin is the part of South America drained by the Orinoco river and its tributaries. The Orinoco watershed covers an area of about 990000 km 2, making it the third largest in South America, covering most of Venezuela and eastern part of Colombia . The Orinoco is one of the most important rivers in the world due to its length and ...