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Auati-Paraná Canal
The Auati-Paraná Canal ( pt, Canal Auati-Paraná) is a natural canal of Amazonas state in north-western Brazil. It is a distributary that leaves the Solimões River and joins the Japurá River. Course The Auati-Paraná, also called the Ati-Paraná or Ati-Paranã, is sometimes called a river, sometimes a ''paraná'' (channel) and sometimes a canal. The last term seems most appropriate, since the natural canal leaves one river and joins another. The canal divides the lower western Amazon plateau to the north from the Amazon plain. The canal forms the boundary between the Auatí-Paraná Extractive Reserve, created in 2001, on the north bank, and the Mamirauá Sustainable Development Reserve The Mamirauá Sustainable Development Reserve ( pt, Reserva de Desenvolvimento Sustentável Mamirauá) in the Brazilian state of Amazonas, near the city of Tefé, is a reserve near the village of Boca do Mamirauá. It includes mostly Amazonian ... on the south bank. The canal is a body of ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Amazonas (Brazilian State)
Amazonas () is a state of Brazil, located in the North Region in the northwestern corner of the country. It is the largest Brazilian state by area and the 9th largest country subdivision in the world, and the largest in South America, being greater than the areas of Uruguay, Paraguay, and Chile combined. Mostly located in the Southern Hemisphere, it is the third largest country subdivision in the Southern Hemisphere after the Australian states of Western Australia and Queensland. Entirely in the Western Hemisphere, it is the fourth largest in the Western Hemisphere after Greenland, Nunavut and Alaska. It would be the sixteenth largest country in land area, slightly larger than Mongolia. Neighbouring states are (from the north clockwise) Roraima, Pará, Mato Grosso, Rondônia, and Acre. It also borders the nations of Peru, Colombia and Venezuela. This includes the Departments of Amazonas, Vaupés and Guainía in Colombia, as well as the Amazonas state in Venezuela, and ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Solimões River
Solimões () is the name often given to upper stretches of the Amazon River in Brazil from its confluence with the Rio Negro upstream to the border of Peru. Geography The Amazon / Solimões river just above the confluence of the Solimões and Rio Negro is already by far the largest river in the world, even though its two largest tributaries (the Negro and the Madeira River) have not yet contributed to the flow volume. The Solimões portion of the Amazon River lies entirely in the state of Amazonas, Brazil, and some portion of the state is often referred to as the "Solimões region". The ecoregion of the Solimões River drainage basin is entirely tropical rainforest. Etymology An Amazonian aboriginal nation called ''Soriman'' was corrupted in Portuguese to ''Solimão'' and ''Soliemoens'', from which the name of this section of the river and region it drains is derived. Use of the name ''Solimões'' for the upper Amazon is mostly confined to Brazilian speakers of Portuguese; ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Japurá River
The Japurá River or Caquetá River is a river about long in the Amazon basin. It rises in Colombia and flows eastward through Brazil to join the Amazon River. Course The river rises as the Caquetá River in the Andes in southwest Colombia. The Caquetá River rises near the sources of the Magdalena River, and augments its volume from many branches as it courses through Colombia. It flows southeast into Brazil, where it is called the Japurá. The Japurá enters the Amazon River through a network of channels. It is navigable by small boats in Brazil. West of the Rio Negro, the Solimões River (as the Amazon's upper Brazilian course is called) receives three more imposing streams from the northwest—the Japurá, the Içá (referred to as the Putumayo before it crosses over into Brazil), and the Napo. Environment For much of its length the river flows through the Purus várzea ecoregion. The river is home to a wide variety of fish and reptiles, including enormous catfish weighi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Brazil
Brazil ( pt, Brasil; ), officially the Federative Republic of Brazil (Portuguese: ), is the largest country in both South America and Latin America. At and with over 217 million people, Brazil is the world's fifth-largest country by area and the seventh most populous. Its capital is Brasília, and its most populous city is São Paulo. The federation is composed of the union of the 26 States of Brazil, states and the Federal District (Brazil), Federal District. It is the largest country to have Portuguese language, Portuguese as an List of territorial entities where Portuguese is an official language, official language and the only one in the Americas; one of the most Multiculturalism, multicultural and ethnically diverse nations, due to over a century of mass Immigration to Brazil, immigration from around the world; and the most populous Catholic Church by country, Roman Catholic-majority country. Bounded by the Atlantic Ocean on the east, Brazil has a Coastline of Brazi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Distributary
A distributary, or a distributary channel, is a stream that branches off and flows away from a main stream channel. Distributaries are a common feature of river deltas. The phenomenon is known as river bifurcation. The opposite of a distributary is a tributary, which flows ''towards'' and joins another stream. Distributaries are often found where a stream approaches a lake or an ocean. They can also occur inland, on alluvial fans, or where a tributary stream bifurcates as it nears its confluence with a larger stream. In some cases, a minor distributary can divert so much water from the main channel that it can later become the main route. Related terms Common terms to name individual river distributaries in English-speaking countries are ''arm'' and ''channel''. These terms may refer to a distributary that does not rejoin the channel from which it has branched (e.g., the North, Middle, and South Arms of the Fraser River, or the West Channel of the Mackenzie River), or to one ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Channel (geography)
In physical geography, a channel is a type of landform consisting of the outline of a path of relatively shallow and narrow body of water or of other fluids (e.g., lava), most commonly the confine of a river, river delta or strait. The word is cognate to canal, and sometimes takes this form, e.g. the Hood Canal. Formation Channel initiation refers to the site on a mountain slope where water begins to flow between identifiable banks.Bierman, R. B, David R. Montgomery (2014). Key Concepts in Geomorphology. W. H. Freeman and Company Publishers. United States. This site is referred to as the channel head and it marks an important boundary between hillslope processes and fluvial processes. The channel head is the most upslope part of a channel network and is defined by flowing water between defined identifiable banks. A channel head forms as overland flow and/or subsurface flow accumulate to a point where shear stress can overcome erosion resistance of the ground surface. Channel he ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Auatí-Paraná Extractive Reserve
The Auatí-Paraná Extractive Reserve ( pt, Reserva Extrativista Auatí-Paraná) is an extractive reserve is Amazonas, Brazil. Location The Auatí-Paraná Extractive Reserve is divided between the municipalities of Japurá (54.69%) and Fonte Boa (45.31%) in Amazonas. It has an area of . The reserve covers land along the north (left) bank of the Auati-Paraná Canal, which leaves the Solimões (Upper Amazon) to the south and meanders in a generally eastward direction to join the Japurá River to the north. The reserve adjoins the Mamirauá Sustainable Development Reserve to the south. Environment The terrain is mostly flat in the south of the reserve, gently undulating further north. Altitudes range from above sea level. Average daily temperatures range from with an average of . Average annual rainfall is . There has been little study of the vegetation of the central and northern areas of the reserve. Near the river the vegetation is dense tropical rainforest including ter ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Mamirauá Sustainable Development Reserve
The Mamirauá Sustainable Development Reserve ( pt, Reserva de Desenvolvimento Sustentável Mamirauá) in the Brazilian state of Amazonas, near the city of Tefé, is a reserve near the village of Boca do Mamirauá. It includes mostly Amazonian flooded forest and wetlands. The ribeirinhos are native to the area. Location The Mamirauá Sustainable Development Reserve is divided between the municipalities of Uarini (18.68%), Tonantins (1.24%), Maraã (26.74%), Japurá (1.33%) and Fonte Boa (52.01%) in the state of Amazonas. It has an area of . It covers the elongated triangle between the Solimões River (Upper Amazon) to the south, the Auati-Paraná Canal, which leaves the Solimões and meanders in a generally eastward direction to join the Japurá River to the north, and the Japurá from the junction with the Auati-Paraná to the point where it joins the Solimões. It adjoins the Auatí-Paraná Extractive Reserve to the north. The Amanã Sustainable Development Reserve lies ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
List Of Rivers Of Amazonas (Brazilian State)
List of rivers in Amazonas (Brazilian State). The list is arranged by drainage basin, with respective tributaries indented under each larger stream's name and ordered from downstream to upstream. Amazonas is located entirely within the Amazon Basin. By Drainage Basin * Amazon River (includes Solimões) ** Tapajós River *** Juruena River **** Bararati River ** Nhamundá River *** Piratucu River ** Mamuru River *** Uaicurapa River ** Andirá River ** Paraná Urariá (Amazon and Madeira side channel) *** Maués Açu River **** Urupadi River **** Amanã River **** Paracori River **** Parauari River *** Apoquitaua River *** Paraconi River *** Abacaxis River **** Marimari River *** Canumã River **** Mapiá Grande River **** Acari River **** Camaiú River **** Sucunduri River ** Uatumã River *** Jatapu River **** Capucapu River *** Pitinga River ** Urubu River ** Madeira River *** Prêto do Igapó-Açu River **** Autaz-mirim River **** Tupana River **** Matupiri River ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
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