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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.
Orinoco River. Rio Grande (distributary, empties into the Boca Grande) Barima River; Amacuro River; Cuyubini River; Aguirre River; Caño Araguao (distributary) Caño Mariusa (distributary) Caño Macareo (distributary) Caño Tucupita (distributary) Caño Mánamo (distributary, empties into the Gulf of Paria) Tigre River. Morichal Largo River ...
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] [23] [n 4]
It is situated on major sea and air routes linking North and South America. Located at the northernmost end of South America, Venezuela has a total area of 912,050 km 2 (352,140 sq mi) and a land area of 882,050 km 2 (340,560 sq mi). [2] [1] It is the 32nd largest country and is slightly smaller than Egypt, or half the size of Mexico. Shaped ...
Map of the Amazon River drainage basin with the Amazon River highlighted The Amazon River drainage basin; with the Casiquiare River, a distributary of the Orinoco River flowing southward into the Negro River, in Venezuela, South America. As such, it forms a unique natural canal between the Orinoco and Amazon river systems.
The Napo River (Spanish: Río Napo) is a tributary to the Amazon River that rises in Ecuador on the flanks of the east Andean volcanoes of Antisana, Sincholagua and Cotopaxi. The total length is 1,075 km (668 mi). The river drains an area of ca 103,000 km 2. The mean annual discharge at Mazán 6,800 m 3 /s (240,000 cu ft/s). [6] [7] [8]
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.
The Rio Negro (Spanish: Río Negro [ˈri.o ˈneɣɾo] "Black River"), or Guainía as it is known in its upper part, is the largest left tributary of the Amazon River (accounting for about 14% of the water in the Amazon basin), the largest blackwater river in the world, [8] and one of the world's ten largest rivers by average discharge.