Jamanxim River

The Jamanxim River is a river of Pará state in north-central Brazil. Originating in the Serra do Cachimbo, it is a tributary of the Tapajós, into which it flows a few kilometers upstream from Itaituba.

Jamanxim River
Bridge over the Jamaxim
Mouth location in Brazil
Native nameRio Jamanxim  (Portuguese)
Location
CountryBrazil
Physical characteristics
Source 
 • locationPará
 • elevation460 metres (1,510 ft)
Mouth 
 • coordinates
4°45′23″S 56°26′15″W
 • elevation
40 metres (130 ft)
Length510 kilometres (320 mi)[1]
Basin features
River systemTapajós

Course

The river flows through the Tapajós-Xingu moist forests ecoregion.[2] It flows through the Itaituba I National Forest, a 220,639 hectares (545,210 acres) sustainable use conservation area established in 1998.[3] The river basin also contains part of the 538,151 hectares (1,329,800 acres) Rio Novo National Park, a conservation unit created in 2006.[4]

Hydroelectric potential

Its hydroelectric potential, along with that of the Tapajós, was assessed by Eletronorte (Centrais Elétricas do Norte do Brasil S.A.), the regional power authority, identifying nine potential dam sites, including four along the Jamanxim. at Cachoeira dos Patos, (estimated at 28 MW); Cachoeira do Caí, (estimated at 802 MW); at Jardim do Ouro and at Jamanxim (estimated at 881 MW). If all were constructed, these dams would flood a total of 103,700 ha, including 33,216 ha of the Jamanxim National Park and 25,849 ha of the Jamanxim, Itaituba I, Itaituba II and Altamira national forests.[5]

See also

References
  1. Ziesler & Ardizzone 1979.
  2. Sears.
  3. Unidade de Conservação ... MMA.
  4. Unidade de Conservação: Parque Nacional do Rio Novo.
  5. International Rivers: Tapajós Basin Dams

Sources
  • Sears, Robin, Amazon Basin - Brazil (NT0168), WWF: World Wildlife Fund, retrieved 2017-03-20
  • Unidade de Conservação: Floresta Nacional de Itaituba I (in Portuguese), MMA: Ministério do Meio Ambiente, retrieved 2016-05-29
  • Unidade de Conservação: Parque Nacional do Rio Novo (in Portuguese), MMA: Ministério do Meio Ambiente, retrieved 2016-05-27
  • Ziesler, R.; Ardizzone, G.D. (1979), "Amazon River System", The Inland waters of Latin America, Food and Agriculture Organization of the United Nations, ISBN 92-5-000780-9, archived from the original on 21 October 2013


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