Ruvuma River
| Mouth of the watercourse | Indian Ocean  |
|---|---|
| Tributary | Lugenda River, Bangala River |
| Country | Mozambique, Tanzania |
| Coordinate location | 10°45′0″S 35°40′0″E, 10°28′28″S 40°26′13″E |
Ruvuma River, dem formerly sanso know as de Rovuma River, be a river insyd de African Great Lakes region. During de greater part of ein course, e dey form de border between Tanzania den Mozambique. De river be 998 km (620 mi) long, plus a drainage basin of ~155,000 km2 (60,000 mi2) in size. Ein mean annual discharge be 475 m3/s (16,800 cu ft/s) to 2,286 m3/s (80,700 cu ft/s) at ein mouth.[1][2]
Discharge
[edit | edit source]Average den maximum discharge of de Rovuma River (11°9′53.9532″S 39°15′37.8072″E / 11.164987000°S 39.260502000°E / -11.164987000; 39.260502000):[3]
| VIC modeled (1999–2008) | MFR estimated flows (1999–2008) | UNH-GRDC historical period (1957–1999) |
|---|---|---|
| Average discharge | ||
| 1,864 m3/s (65,800 cu ft/s) | 1,866 m3/s (65,900 cu ft/s) | 1,838 m3/s (64,900 cu ft/s) |
| Maximum discharge | ||
| 22,365 m3/s (789,800 cu ft/s) | 22,630 m3/s (799,000 cu ft/s) | 22,053 m3/s (778,800 cu ft/s) |
Average monthly discharge of de Rovuma River (11°9′53.9532″S 39°15′37.8072″E / 11.164987000°S 39.260502000°E / -11.164987000; 39.260502000), UNH-GRDC historical period (1957–1999):[3]
| Month | Discharge
(m3/s) |
|---|---|
| JAN | 3,340 |
| FEB | 4,040 |
| MAR | 5,390 |
| APR | 3,880 |
| MAY | 1,780 |
| JUN | 780 |
| JUL | 350 |
| AUG | 160 |
| SEP | 50 |
| OCT | 80 |
| NOV | 270 |
| DEC | 1,940 |
Tributaries
[edit | edit source]De largest tributaries of de Rovuma River:[2]
| Left
tributary | Right
tributary | Length
(km) | Basin size
(km2) | Average discharge
(m3/s) |
|---|---|---|---|---|
| Rovuma | 760 | 155,316.4 | 1,773 | |
| Kitama | 70 | 1,065.8 | 12.3 | |
| Matiu | 100 | 1,920.1 | 26.1 | |
| Mwiti | 80 | 994.2 | 14 | |
| Ninga | 100 | 1,572.8 | 19.8 | |
| Miesi | 80 | 946.7 | 12.5 | |
| Mbangala | 160 | 3 598.2 | 44.4 | |
| Lugenda | 650 | 60,990.4 | 752.1 | |
| Lukwika | 100 | 1,331.5 | 16.3 | |
| Manjesi | 90 | 1,084.2 | 16.3 | |
| Lumesule | 180 | 2,342.8 | 28.9 | |
| Muhuwesi | 240 | 10,319.6 | 137.3 | |
| Mzinieva | 100 | 1,285.4 | 22.5 | |
| Chimovero | 638.3 | 11.2 | ||
| Licombe | 60 | 975.7 | 16 | |
| Lukembule | 1,234.6 | 21.6 | ||
| Chiluezi | 3,544.9 | 55.1 | ||
| Lopele | 763.1 | 13.3 | ||
| Luvingo | 80 | 592.4 | 10.3 | |
| Ludimilé | 1,129.4 | 20.7 | ||
| Sasawara | 90 | 2,322.8 | 37.3 | |
| Msangesi | 120 | 1,614.1 | 23.8 | |
| Lipapa | 753.5 | 14.2 | ||
| Lussanhando | 2,863.2 | 51.9 | ||
| Lucheringo | 250 | 9,288.1 | 200.5 | |
| Lualece | 60 | 611.9 | 11 | |
| Miongosi | 50 | 964.3 | 11.6 | |
| Likonde | 150 | 5,914.8 | 61.2 | |
| Mlongasi | 100 | 960.8 | 11.9 | |
| Messinge | 238 | 7,525.4 | 174.8 | |
| Lunyere | 190 | 6,210.1 | 78.7 | |
Overview
[edit | edit source]De lower Ruvuma river be formed by de junction at 11° 25′ S, 38° 31′ E of two branches of nearly equal importance, de longer of wich, de Lujenda, dey cam from de south-west, de oda, wich still dey bear de name Ruvuma, from de west. Ein source dey lie on an undulating plateau, 1,000 m (3,300 ft) high, immediately to de east of Lake Nyasa, at 10° 45′ S, 35° 40′ E, de head-stream dey flow first due west before turning south den east.
Insyd ein eastward course, de Ruvuma dey flow near de base of de escarpment of an arid sandstone plateau to de north, from wich direction de stream, wich cut demselves deep channels insyd de plateau edge, get almost all short courses.
References
[edit | edit source]- ↑ Nakayama, Mikiyasu (2003). International Waters in Southern Africa (in English). United Nations University Press. ISBN 978-92-808-1077-6.
- 1 2 "Central East Coast".
- 1 2 M.R., Minihane (2012). "Evaluation of streamflow estimates for the Rovuma River". Physics and Chemistry of the Earth. 50–52: 14–23. doi:10.1016/j.pce.2012.09.003.
External links
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