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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.
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.
The Pororoca (Portuguese pronunciation: [pɔɾɔˈɾɔkɐ], [poɾoˈɾɔkɐ]) is a tidal bore, with waves up to 4 m (13 ft) high that travel as much as 800 km (500 mi) inland upstream on the Amazon River and adjacent rivers. Its name might come from the indigenous Tupi language, where it could translate into "great roar".
The Meeting of Waters (Portuguese: Encontro das Águas) is the confluence between the dark Rio Negro and the pale sandy-colored Amazon River, referred to as the Solimões River in Brazil upriver of this confluence. For 6 km (3.7 mi) the waters of the two rivers run side by side without mixing.
Map of the Amazon river basin. The Hamza and the Amazon are the two main drainage systems for the Amazon Basin. The reported flow rate of the Hamza, at approximately 3,000 cubic metres (110,000 cu ft) per second, is 3% of the Amazon's. [3] It runs west to east, some 4,000 metres (13,000 ft) below the Earth's surface, and follows roughly the ...
It is located some 800 km (500 mi) from the two largest cities in the Brazilian Amazon: Manaus, upriver in the state of Amazonas, and the Pará state capital Belém, located downriver at the mouth of the Amazon on the Atlantic Ocean. Santarém has an estimated population of 306,480 people (2020), and is the third most populous city of the state.
The Amazon Delta (Portuguese: delta do Amazonas) is a vast river delta formed by the Amazon River and the Tocantins River (through the Pará River distributary channel) in northern South America. [ 1 ] [ 2 ] [ 3 ] It is located in the Brazilian states of Amapá and Pará [ 4 ] and encompasses the Marajó Archipelago , with Marajó Island as its ...
A river in the Amazon. Along the Amazon River and many of its tributaries, high annual rainfall that occurs mostly within a rainy season results in extensive seasonal flooding of areas from stream and river discharge. [6] The result is a 10–15 m (33–49 ft) rise in water level, with nutrient rich waters.