Sobat_River
Sobat River
River in South Sudan
The Sobat River is a river of the Greater Upper Nile region in northeastern South Sudan, Africa. It is the most southerly of the great eastern tributaries of the White Nile, before the confluence with the Blue Nile.
| Sobat River | |
|---|---|
Sobat River from air | |
| Location | |
| Country | South Sudan |
| State | Jonglei, Upper Nile (state) |
| Physical characteristics | |
| Source | Baro River |
| • location | Dibdib, Ethiopia |
| • coordinates | 7°42′04″N 35°52′44″E |
| • elevation | 2,367 m (7,766 ft) |
| 2nd source | Pibor River |
| • location | Pibor Post, Greater Pibor |
| • coordinates | 6°47′42″N 33°09′07″E |
| • elevation | 418 m (1,371 ft) |
| Source confluence | |
| • location | Ajungmir, Jonglei |
| • coordinates | 8°26′10″N 33°13′7″E |
| • elevation | 404 m (1,325 ft) |
| Mouth | White Nile |
• location | Againg, Upper Nile |
• coordinates | 9°22′2″N 31°32′57″E |
• elevation | 398 m (1,306 ft) |
| Length | 354 km (220 mi)[1] |
| Basin size | 225,000 km2 (87,000 sq mi) |
| Discharge | |
| • location | Hillet Doleib |
| • average | 412 m3/s (14,500 cu ft/s) |
| • minimum | 99 m3/s (3,500 cu ft/s) |
| • maximum | 680 m3/s (24,000 cu ft/s) |
| Discharge | |
| • location | mouth |
| • average | 437 m3/s (15,400 cu ft/s) |
| Basin features | |
| Progression | White Nile → Nile → Mediterranean Sea |
| River system | Nile |
The Sobat River is formed by the confluence of the west-flowing Baro River and the north-flowing Pibor River, on the border with Ethiopia. The river enters the White Nile at Doleib Hill, near the city of Malakal in Upper Nile State.
When in flood the Sobat River produces an enormous discharge carrying a white sediment, which gives the White Nile its name.[1]
Hydrology
The Sobat and its tributaries drain a watershed approximately 225,000 km2 (87,000 sq mi) in size. The river's mean annual discharge is 412 m³/s (14,550 ft³/s).[2]
- "Sobat River". Encyclopædia Britannica Online Library Edition. Encyclopædia Britannica. Retrieved 2008-01-21. (registration required)
- Shahin, Mamdouh (2002). Hydrology and Water Resources of Africa. Springer. pp. 276, 288. ISBN 1-4020-0866-X.; online at Google Books
- Cana, Frank Richardson (1911). "Sobat" . Encyclopædia Britannica. Vol. 25 (11th ed.). pp. 299–300.
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