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View of Manú National Park in the Amazon Rainforest. This is a timeline of Amazon history, which dates back at least 11,000 years ago, when humans left indications of their presence in Caverna da Pedra Pintada. [1] [2] Here is a brief timeline of historical events in the Amazon River valley.
A river terrace is composed of an abandoned surface, or tread, and the incised surface, or riser. [2] If you can date the age of the terrace tread, one can get an estimate of the age of abandonment of that surface, and the age of incision. A simple calculation of h 1 /t 1 can give the average rate of incision(r i), where h i = height of 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]
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 ...
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 Naturalist on the River Amazons, subtitled A Record of the Adventures, Habits of Animals, Sketches of Brazilian and Indian Life, and Aspects of Nature under the Equator, during Eleven Years of Travel, is an 1863 book by the British naturalist Henry Walter Bates about his expedition to the Amazon basin.
Tributaries of the Amazon River (3 C, 70 P) U. Upper Amazon (6 C, 50 P) Pages in category "Amazon River" The following 15 pages are in this category, out of 15 total.
The upper reaches of the Amazon River of western South America. In Peru , the Upper Amazon comprises a series of major river systems that flow north and south into the Marañón and Amazon Rivers. Among others, these include the following: Morona, Pastaza, Nucuray, Urituyacu, Chambira , Tigre, Nanay, Napo, Huallaga , and Ucayali.