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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 Amazon River is the largest river in the world in terms of its flow rate. In addition, it is the second longest river, measuring 6,575 km (4,086 mi) [3] from its source to the mouth of the Atlantic Ocean [4] after the Nile River which is considered to be the longest river in the world (see Source of the Nile River), although there is some dispute.
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.
Boundaries of Brazil's jurisdictional waters, including the latest continental shelf claims. Brazil's jurisdictional waters (Portuguese: águas jurisdicionais brasileiras, AJB), also known as the Blue Amazon (Amazônia Azul), [a] are the riverine and oceanic spaces over which Brazil exerts some degree of jurisdiction over activities, persons, installations and natural resources through the ...
The average flow rate at the mouth of the Amazon is sufficient to fill more than 83 such pools each second. The estimated global total for all rivers is 1.2 × 10 6 m 3 /s (43 million cu ft/s), [ 1 ] of which the Amazon would be approximately 18%.
Aside from the Amazon, the major rivers feeding the Amazonia marine region include the clearwater Tocantins River and the Mearim River. The continental shelf is relatively smooth and shallow, with a drop on the shelf about half-way to the north. The deepest point is −2,047 metres (−6,716 ft), and the average is −49 metres (−161 ft).
The Amazon River accounts for 15–16% of the total water discharged by rivers into the oceans of the world. [2] Rivers may be blackwater, whitewater or clearwater. Thus the Rio Negro ("Black River") has clear, jet-black water caused by decomposition of organic matter in swamps along its margins, combined with low levels of silt. The Rio Branco ...
In particular, there seems to exist disagreement as to whether the Nile [3] or the Amazon [4] is the world's longest river. The Nile has traditionally been considered longer, but in 2007 and 2008 some scientists claimed that the Amazon is longer [5] [6] [7] by measuring the river plus the adjacent Pará estuary and the longest connecting tidal ...