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Limpopo River

Coordinates: 25°12′22″S 33°30′40″E / 25.20611°S 33.51111°E / -25.20611; 33.51111
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For the province, see Limpopo.

Limpopo River
Vhembe
Limpopo River in Mozambique
Course and watershed of the Limpopo River
Location
CountrySouth Africa, Botswana, Zimbabwe, Mozambique
Physical characteristics
Source confluenceMarico and Crocodile
 • locationBotswana/South Africa border
 • coordinates24°11′29″S 26°52′15″E / 24.1913°S 26.8708°E / -24.1913; 26.8708
 • elevation872 m (2,861 ft)
MouthIndian Ocean
 • location
Gaza Province, Mozambique
 • coordinates
25°12′22″S 33°30′40″E / 25.20611°S 33.51111°E / -25.20611; 33.51111
 • elevation
0 m (0 ft)
Length1,750 km (1,090 mi)
Basin size415,000 km2 (160,000 sq mi)
Discharge 
 • locationXai-Xai
 • average(Period: 1971–2000)313.4 m3/s (11,070 cu ft/s)[1]
Basin features
River systemLimpopo River
Tributaries 
 • leftNotwane, Bonwapitse, Mahalapswe, Lotsane, Motloutse, Shashe, Umzingwani, Bubi, Mwenezi, Changane
 • rightMarico, Crocodile, Matlabas, Mikolo, Palala, Mogalakwena, Kolope, Sand, Nwanedi, Luvuvhu, Olifants
Map

The Limpopo River (/lɪmˈpoʊpoʊ/) rises in South Africa[2] and flows generally eastward through Mozambique to the Indian Ocean. The term Limpopo is derived from Rivombo (Livombo/Lebombo), a group of Tsonga settlers led by Hosi Rivombo who settled in the mountainous vicinity and named the area after their leader.[citation needed] The river has been called the Vhembe by local Venda communities of the area where now that name has been adopted by the South African government as its District Municipality in the north, a name that was also suggested in 2002 as a possible title for the province but was voted against. The river is approximately 1,750 km (1,090 mi) long, with a drainage basin of 415,000 km2 (160,000 sq mi) in size. The mean discharge measured over a year is 170 m3/s (6,000 cu ft/s) to 313 m3/s (11,100 cu ft/s) at its mouth.[3][1] The Limpopo is the second largest African river that drains to the Indian Ocean, after the Zambezi River.[4]

The first European to sight the river was Vasco da Gama, who anchored off its mouth in 1498 and named it Espirito Santo River. Its lower course was explored by St Vincent Whitshed Erskine in 1868–69, and Captain J F Elton travelled down its middle course in 1870.

The drainage area of Limpopo River has decreased over geological time. Up to Late Pliocene or Pleistocene times, the upper course of the Zambezi River drained into the Limpopo River.[5] The change of the drainage divide is the result of epeirogenic movement that uplifted the surface north of present-day Limpopo River, diverting waters into Zambezi River.[6]

Course

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Limpopo River is located in Mozambique
Limpopo River
Limpopo River
class=notpageimage|
Location of the Limpopo River's mouth

The river flows in a great arc, first zigzagging north and then north-east, then turning east and finally south-east. It serves as a border for about 640 kilometres (398 mi), separating South Africa to the southeast from Botswana to the northwest and Zimbabwe to the north. At the confluence of the Marico River and the Crocodile River, the name becomes the Limpopo River. There are several rapids as the river falls off Southern Africa's inland escarpment.

The Notwane River is a major tributary of the Limpopo, rising on the edge of the Kalahari Desert in Botswana and flowing in a north-easterly direction.[7] The main tributary of the Limpopo, the Olifants River (Elephant River), contributes around 1,233 million m3 of water per year.[8] Other major tributaries include the Shashe River, Mzingwane River, Crocodile River, Mwenezi River and Luvuvhu River.[9]

In the north-eastern corner of South Africa the river borders the Kruger National Park. The port town of Xai-Xai, Mozambique, is on the river near the mouth. Below the Olifants, the river is navigable to the sea, though a sandbar prevents access by large ships except at high tide.

Tributaries

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Left hand Right hand

Basin characteristics

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Sign at the viewing deck of the Limpopo River at Mapungubwe National Park, South Africa, featuring a quote from Rudyard Kipling

The waters of the Limpopo flow sluggishly, with considerable silt content. Rudyard Kipling's characterization of the river as the "great grey-green, greasy Limpopo River, all set about with fever-trees", where the "Bi-Coloured Python Rock-Snake" dwells[10] in the Just So Stories is apt. Rainfall is seasonal and unreliable: in dry years, the upper parts of the river flow for 40 days or less. The upper part of the drainage basin, in the Kalahari Desert, is arid but conditions become less arid further downriver. The next reaches drain the Waterberg Massif, a biome of semi-deciduous forest and low-density human population.[11] The fertile lowlands support a denser population, and about 14 million people live in the Limpopo basin. Flooding during the rainy season is an occasional problem in the lower reaches. During February 2000 heavy rainfalls during the passage of a cyclone caused the catastrophic 2000 Mozambique flood.

The highest concentration of hippopotamus in the Limpopo River is found between the Mokolo and the Mogalakwena Rivers.[12] There is a lot of mining activity in the Limpopo River basin with about 1,900 functioning mines, not counting about 1,700 abandoned mines.[13]

History

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Vasco da Gama, on his first expedition, was probably among the first Europeans to sight the river, when he anchored off the mouth in 1498. However, there has been human habitation in the region since time immemorial—sites in the Makapans Valley near Mokopane contain Australopithecus fossils from 3.5 million years ago. St Vincent Whitshed Erskine, later surveyor general for South Africa, traveled to the mouth of the river in 1868–69.[14]

A Zambezi shark was caught hundreds of kilometres upriver at the confluence of the Limpopo and Luvuvhu Rivers in July 1950. Zambezi sharks tolerate fresh water and can travel far up the Limpopo.[15] In 2013, approximately 15,000 Nile crocodiles were accidentally released into the river from flood gates at the nearby Rakwena Crocodile Farm.[16]

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See also

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References

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  1. ^ a b "Limpopo". Archived from the original on 23 February 2024. Retrieved 23 February 2024.
  2. ^ "Limpopo River", Encyclopædia Britannica, archived from the original on 30 April 2018, retrieved 29 April 2018
  3. ^ Nakayama, Mikiyasu (2003). International Waters in Southern Africa. United Nations University Press. p. 9. ISBN 92-808-1077-4.; online at Google Books
  4. ^ Zhu, Tingju; Ringler, Claudia. "Climate change impact on water availability and use in the Limpopo river basin". Researchgate.net. Retrieved 20 September 2021.
  5. ^ Goudie, A.S. (2005). "The drainage of Africa since the Cretaceous". Geomorphology. 67 (3–4): 437–456. Bibcode:2005Geomo..67..437G. doi:10.1016/j.geomorph.2004.11.008.
  6. ^ Moore, A.E. (1999). "A reapprisal of epeirogenic flexure axes in southern Africa". South African Journal of Geology. 102 (4): 363–376.
  7. ^ "Drought impact mitigation and prevention in the Limpopo River Basin". www.fao.org. Archived from the original on 30 August 2018. Retrieved 17 September 2021.
  8. ^ Görgens, A.H.M. and Boroto, R.A. 1997. Limpopo River: flow balance anomalies, surprises and implications for integrated water resources management. In: Proceedings of the 8th South African National Hydrology Symposium, Pretoria, South Africa.
  9. ^ "Drought impact mitigation and prevention in the Limpopo River Basin". www.fao.org. Archived from the original on 30 August 2018. Retrieved 5 April 2018.
  10. ^ "The Elephant's Child, Rudyard Kipling". Archived from the original on 5 September 2018. Retrieved 6 September 2018.
  11. ^ C. Michael Hogan, Mark L. Cooke and Helen Murray, The Waterberg Biosphere, Lumina Technologies, May 22, 2006. "Lumaw". Archived from the original on 24 March 2007. Retrieved 23 December 2006.
  12. ^ "State of Rivers Report: the Mokolo River" (PDF). Archived from the original (PDF) on 2 April 2015. Retrieved 31 March 2012.
  13. ^ "Mines in the Limpopo River basin". limpoporak.org. Archived from the original on 4 March 2016. Retrieved 5 April 2018.
  14. ^ Erskine, Vincent W. (1869). "Journey of Exploration to the Mouth of the River Limpopo". The Journal of the Royal Geographical Society of London. 39: 233–276. doi:10.2307/1798552. JSTOR 1798552.
  15. ^ Pienaar, U. de V., The Freshwater Fishes of the Kruger National Park, Koedoe Vol 11, No 1 (1968)
  16. ^ "South Africa police join hunt for 10,000 escaped crocodiles". reuters.com. 25 January 2013. Archived from the original on 17 November 2015. Retrieved 5 April 2018.
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