Branco River
The Branco River (Portuguese: Rio Branco; Engl: White River) is the principal affluent of the Rio Negro from the north.
| Branco River | |
|---|---|
Branco River in Boa Vista city, Roraima state, Brazil. The Macuxi Bridge, 1.2 km (0.75 mi) long, can be seen in the background. | |
The Branco River is a tributary of the Rio Negro (highlighted on map) | |
| Native name | Rio Branco (Portuguese) |
| Location | |
| Country | Brazil |
| Physical characteristics | |
| Source | |
| • location | confluence of Takutu and Uraricoera, Roraima, Brazil |
| • coordinates | 3°1′28.5276″N 60°29′14.8596″W |
| • elevation | 64 m (210 ft) |
| 2nd source | |
| • location | Uraricoera, Parima Mountains |
| • coordinates | 3°41′42.2484″N 64°12′36.018″W |
| • elevation | 1,240 m (4,070 ft) |
| 3rd source | |
| • location | Takutu, Guiana Shield |
| • coordinates | 1°47′48.6492″N 60°1′38.2656″W |
| • elevation | 306 m (1,004 ft) |
| Mouth | |
• location | Rio Negro, Roraima, Brazil |
• coordinates | 1°23′38″S 61°50′46″W |
• elevation | 12 m (39 ft) |
| Length | 560 km (350 mi) to 775 km (482 mi) |
| Basin size | 192,392.66 km2 (74,283.22 sq mi) |
| Discharge | |
| • location | Confluence of Rio Negro, Roraima |
| • average | (Period:1967-2010)5,400 m3/s (190,000 cu ft/s)
(Period: 1980-2006)5,300 m3/s (190,000 cu ft/s) (Period: 1998-2022)6,469 m3/s (228,500 cu ft/s) |
| • minimum | 278 m3/s (9,800 cu ft/s) |
| • maximum | 28,697 m3/s (1,013,400 cu ft/s) |
| Discharge | |
| • location | Caracaraí (400 km upstream of mouth; Basin size: 124,980 km2 (48,260 sq mi) |
| • average | (Period: 1997/01/01-2015/12/31)
3,170.343 m3/s (111,959.6 cu ft/s) (Period: 1998-2022)3,615.65 m3/s (127,685 cu ft/s) |
| • minimum | 178 m3/s (6,300 cu ft/s) (1998/03/24) |
| • maximum | 15,735 m3/s (555,700 cu ft/s) (1976/07/10) |
| Discharge | |
| • location | Boa Vista (Basin size: 97,200 km2 (37,500 sq mi) |
| • average | (Period: 1967-2010)2,436.76 m3/s (86,053 cu ft/s) (Period: 1998-2022)3,129.97 m3/s (110,534 cu ft/s) |
| Basin features | |
| Tributaries | |
| • left | Takutu, Anauá, Itapará |
| • right | Uraricoera, Mucajai, Ajarani, Univini, Catrimani, Xeruini |
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