Ji-Paraná River

"Machado River" redirects here. For the river in Minas Gerais, see Machado River (Minas Gerais).

River in Brazil

Ji-Paraná River

Machado River

Bridge (BR-364 highway) over the river in Ji-Paraná city

Location of the mouth of the Ji-Paraná River in the Amazonas watershed

Location
Country| Brazil
Physical characteristics
Source|
• location| Confluence of Pimenta Bueno and Comemoração, Parecis plateau, Rondônia, Brazil
• elevation| 173 m (568 ft)
Mouth| Madeira River

• location

| Rondônia, Brazil

• coordinates

| 8°02′55″S 62°53′51″W﻿ / ﻿8.048599°S 62.897437°W﻿ / -8.048599; -62.897437

• elevation

| 43 m (141 ft)
Length| 820 km (510 mi)[1]
Basin size| 76,127 km2 (29,393 sq mi)[2]
Discharge|
• location| Confluence of Madeira, Rondônia
• average| 2,100 m3/s (74,000 cu ft/s)[2]
• minimum| 596 m3/s (21,000 cu ft/s)[2]
• maximum| 4,360 m3/s (154,000 cu ft/s)[2]
Basin features
Progression| Madeira → Amazon → Atlantic Ocean
River system| Amazon
Tributaries|
• left| Pimenta Bueno, Jaru, Rolim de Moura, Muqui, Urupá, Machadinho, Juruazinho, Preto
• right| Comemoração, São João

The Ji-Paraná River (Machado River), sometimes spelled Jiparaná, is a river in Rondônia state in western Brazil. It is a tributary of the Madeira River in the Amazon Basin. For much of its length it runs roughly parallel with the northeastern state border of Rondônia. The city of Ji-Paraná is divided by the river.

Part of the river's basin is covered by the 221,218 hectares (546,640 acres) Jacundá National Forest, a sustainable use conservation unit.[3] Part of the basin is in the 346,861 hectares (857,110 acres) Jaru Biological Reserve, a fully protected conservation unit created in 1984.[4] The river forms the southern boundary in Rondônia of the Campos Amazônicos National Park, a 961,318 hectares (2,375,470 acres) protected area created in 2006 that holds an unusual enclave of cerrado vegetation in the Amazon rainforest.[5]

## See also

[edit]

* List of rivers of Rondônia

## References

[edit]

* Brazilian Ministry of Transport

1. ^ 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.
2. ^ a b c d Prof. Carlos, Vieira da Silva; Prof. Carlos Eduardo, Norelli Tucci; Prof. José, Almir Cirilo; Prof. Luciene, Pimentel da Silva; Prof. Otto, Corrêa Roturno Filho; Prof. Benoit, Le Guennec (2006). "SIMULAÇÃO HIDROLÓGICA NA AMAZÔNIA: RIO MADEIRA".
3. ^ Unidade de Conservação: Floresta Nacional de Jacundá (in Portuguese), MMA: Ministério do Meio Ambiente, retrieved 2016-05-16
4. ^ Unidade de Conservação: Reserva Biológica do Jaru (in Portuguese), MMA: Ministério do Meio Ambiente, retrieved 2016-04-27
5. ^ Parna Campos Amazônicos Mapa Interativo (in Portuguese), Chico Mendes Institute for Biodiversity Conservation, archived from the original on 2016-08-17, retrieved 2016-06-03

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