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  2. Amazon basin - Wikipedia

    en.wikipedia.org/wiki/Amazon_basin

    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 ...

  3. Amazon River - Wikipedia

    en.wikipedia.org/wiki/Amazon_River

    Topography of the Amazon River Basin. 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 ...

  4. Amazon Basin (sedimentary basin) - Wikipedia

    en.wikipedia.org/wiki/Amazon_Basin_(sedimentary...

    Amazon alluvium deposit. The Amazon Basin is a large sedimentary basin (620,000 square kilometres (240,000 sq mi)) located near the middle and lower course of the Amazon River, south the Guiana Shield and north of the Central Brazilian Shield. The basin developed on a rift that originated about 550 million years ago during the Cambrian.

  5. Ucayali River - Wikipedia

    en.wikipedia.org/wiki/Ucayali_River

    The Ucayali River (Spanish: Río Ucayali, IPA: [ˈri.o wkaˈʝali]) is the main headstream of the Amazon River. It rises about 110 km (68 mi) north of Lake Titicaca, in the Arequipa region of Peru and becomes the Amazon at the confluence of the Marañón close to Nauta city. The city of Pucallpa is located on the banks of the Ucayali.

  6. Madeira River - Wikipedia

    en.wikipedia.org/wiki/Madeira_River

    Map of the Amazon Basin with the Madeira River highlighted. The Madeira River (Portuguese: Rio Madeira [maˈdejɾɐ]) is a major waterway in South America.It is estimated to be 1,450 km (900 mi) in length, while the Madeira-Mamoré is estimated near 3,250 km (2,020 mi) [4] or 3,380 km (2,100 mi) in length depending on the measuring party and their methods.

  7. Source of the Amazon River - Wikipedia

    en.wikipedia.org/wiki/Source_of_the_Amazon_River

    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.

  8. Amazonia marine ecoregion - Wikipedia

    en.wikipedia.org/wiki/Amazonia_marine_ecoregion

    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).

  9. Tapajós - Wikipedia

    en.wikipedia.org/wiki/Tapajós

    The Tapajós River basin accounts for 6% of the water in the Amazon Basin, making it the fifth largest in the system. [ 12 ] From the lower Arinos River (a tributary of Juruena) to the Maranhão Grande falls are a more or less continuous series of formidable cataracts and rapids; but from the Maranhão Grande to the mouth of Tapajós, about 188 ...