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Simiyu River

River in Simiyu Region, Tanzania

Field	Value
name	Simiyu River
name_native	suk
subdivision_type1	Country
subdivision_name1	Tanzania
subdivision_name2	Simiyu Region and Arusha Region
length_km	180
discharge1_min	0 m3/s (dry season)
discharge1_max	200 m3/s (rainy season)
source1_elevation	1680 m
mouth_location	Speke Gulf, Lake Victoria
mouth_coordinates
mouth_elevation	1133 m
basin_size_km2	10800
tributaries_right	Duma River (Tanzania)

The Simiyu River is a river located in Simiyu Region and Arusha Region, Tanzania. It flows into Lake Victoria in the African Great Lakes region. As one of the six main inlets to Lake Victoria, it forms part of the upper headwaters of the Nile. The Simiyu Region is named after the river.

Geography

The river's source is on the western slopes of Mount Loolmalasin and the Ngorongoro Highlands in Arusha Region. It flows though the southern portion of the Serengeti National Park into Magu Bay of the Speke Gulf of Lake Victoria. The Simiyu has two main tributaries entering from the right, the Duma River and the Komahola River, and one from the left the Maloho River. There is considerable farming in the lower reaches of the Simiyu Basin, which causes runoff of fertilizers and pesticides. The delta of the Simiyu is a marsh that starts just downstream from the town of Magu. Upstream from Magu just below the Ndagalu Forest Reserve is the village of Samilunga.

History

In 1875, Henry Morton Stanley was the first European to sight the Simiyu River.

Climate

There are two rainy seasons, the light one from November into January, and the heavy one from March to May, which result in 700 to 1000 mm of annual rainfall. Less than 10% of the rainfall makes it to the mouth of the river due to a very high evapotranspiration rate.

Hydrometrie

Average monthly flow of Simiyu measured at the hydrological station in Magu Mjini Estate, about 10 km above the mouth in m³ / s (1999–2004). The Simiyu flows stimulate time-dependent, like most rivers in the region.

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BarData= bar:Jan text:January bar:Fév text:February bar:Mar text:Marz bar:Avr text:April bar:Mai text:May bar:Jun text:June bar:Jul text:July bar:Aoû text:August bar:Sep text:Sept. bar:Oct text:Oct. bar:Nov text:Nov. bar:Déc text:Dec.

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bar:Jan from:0 till: 32 bar:Fév from:0 till: 7 bar:Mar from:0 till: 29 bar:Avr from:0 till: 30 bar:Mai from:0 till: 33 bar:Jun from:0 till: 2 bar:Jul from:0 till: 0 bar:Aoû from:0 till: 0 bar:Sep from:0 till: 0 bar:Oct from:0 till: 0 bar:Nov from:0 till: 9 bar:Déc from:0 till: 34

PlotData= bar:Jan at: 32 fontsize:S text: 32 shift:(-10,5) bar:Fév at: 7 fontsize:S text: 7 shift:(-10,5) bar:Mar at: 29 fontsize:S text: 29 shift:(-10,5) bar:Avr at: 30 fontsize:S text: 30 shift:(-10,5) bar:Mai at: 33 fontsize:S text: 33 shift:(-10,5) bar:Jun at: 2 fontsize:S text: 2 shift:(-10,5) bar:Jul at: 0 fontsize:S text: 0 shift:(-10,5) bar:Aoû at: 0 fontsize:S text: 0 shift:(-10,5) bar:Sep at: 0 fontsize:S text: 0 shift:(-10,5) bar:Oct at: 0 fontsize:S text: 0 shift:(-10,5) bar:Nov at: 9 fontsize:S text: 9 shift:(-10,5) bar:Déc at: 34 fontsize:S text: 34 shift:(-10,5)

Notes

References

{{GEOnet2. 32FA881923C03774E0440003BA962ED3. Simiyu River (Approved), [[National Geospatial-Intelligence Agency. United States National Geospatial-Intelligence Agency]]
{{GEOnet2. 32FA8819410B3774E0440003BA962ED3. Magu Bay (Approved), [[National Geospatial-Intelligence Agency. United States National Geospatial-Intelligence Agency]]
{{GEOnet2. 32FA881959153774E0440003BA962ED3. Duma River (Approved), [[National Geospatial-Intelligence Agency. United States National Geospatial-Intelligence Agency]]
{{GEOnet2. 32FA881947CC3774E0440003BA962ED3. Komahola (Approved), [[National Geospatial-Intelligence Agency. United States National Geospatial-Intelligence Agency]]
Survey and Mapping Division, Ministry of Lands, Housing and Urban Development. (1982). "Topographic Map 1:250,000, Malya, SA 36-11". United Republic of Tanzania.
(2007). "Prediction of runoff and discharge in the Simiyu River (tributary of Lake Victoria, Tanzania) using the WetSpa model". Hydrology and Earth System Sciences Discussions.
{{GEOnet2. 32FA88192E113774E0440003BA962ED3. Ndagalu Central Government Forest Reserve (Approved), [[National Geospatial-Intelligence Agency. United States National Geospatial-Intelligence Agency]]
Jeal, Tim. (2007). "Stanley: The Impossible Life of Africa's Greatest Explorer". Yale University Press.
Stanley, H.M., 1899, Through the Dark Continent, London: G. Newnes, {{ISBN. 0486256677

Info: Wikipedia Source

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rivers-of-tanzania tributaries-of-lake-victoria

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