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42-631: The Bozo cluster is divided into the following varieties: Hainyaxo (Kelengaxo), spoken by the Hain (sg. Xan), is the most western dialect, spoken in two spots along the Niger River . It is closely related to Tieyaxo (Tigemaxo), its eastern neighbour which is spoken around Diafarabé . The central and most widely spoken Bozo language is Jenaama (Sorogama), which actually consists of four dialects, Pondori (south of Mopti ), Kotya, Korondugu (north of Mopti ) and Debo (around Lake Debo ). Tiemacewe (Tièma Cièwè)

84-637: A Berber language, in which "gher" means "watercourse", confusion could easily arise. Pliny connected these two rivers as one long watercourse which flowed (via lakes and underground sections) into the Nile, a notion which persisted in the Arab and European worlds – and further added the Senegal River as the "Ger" – until the 19th century. While the true course of the Niger was presumably known to locals, it

126-597: A larger stream. In some cases, a minor distributary can divert so much water from the main channel that it can later become the main route. Common terms to name individual river distributaries in English-speaking countries are arm and channel . These terms may refer to a distributary that does not rejoin the channel from which it has branched (e.g., the North, Middle, and South Arms of the Fraser River , or

168-407: Is an accepted version of this page (Period: 1971–2000)7,922.3 m /s (279,770 cu ft/s) The Niger River ( / ˈ n aɪ dʒ ər / NY -jər ; French : (le) fleuve Niger [(lə) flœv niʒɛʁ] ) is the main river of West Africa , extending about 4,180 kilometres (2,600 miles). Its drainage basin is 2,117,700 km (817,600 sq mi) in area. Its source

210-753: Is an important distributary of the Mississippi River . Because the Atchafalaya takes a steeper route to the Gulf of Mexico than does the Mississippi, over several decades the Atchafalaya has captured more and more of the Mississippi's flow, after the Mississippi meandered into the Red River of the South . The Old River Control Structure , a dam which regulates the outflow from the Mississippi into

252-839: Is in the Guinea Highlands in south-eastern Guinea near the Sierra Leone border. It runs in a crescent shape through Mali , Niger , on the border with Benin and then through Nigeria , discharging through a massive delta , known as the Niger Delta , into the Gulf of Guinea in the Atlantic Ocean . The Niger is the third-longest river in Africa, exceeded by the Nile and the Congo River . Its main tributary

294-477: Is part of the larger African massive physiographic division. The Niger River basin, located in western Africa , covers 7.5% of the continent and spreads over ten countries. Niger River basin: areas and rainfall by country within the basin rainfall in the basin (mm) Hydrometric stations on the Niger River kilometer (rkm) (m) (km ) start Average, minimum and maximum discharge of

336-657: Is the Benue River . The Niger has different names in the different languages of the region: The earliest use of the name "Niger" for the river is by Leo Africanus in his Della descrittione dell’Africa et delle cose notabili che ivi sono , published in Italian in 1550. Nevertheless, "Nigris" was already the name of a river in West Africa, as mentioned by Pliny the Elder and Solinus, among others. Whether this river

378-669: Is the northeasternmostern Bozo dialect, spoken in the vicinity of Lake Debo. In Nigeria, the Jenaama/Sorogama dialect of the Bozo language is usually referred to as Sorko. It is spoken in the Nigerian states of Niger , Kebbi , and Kwara ( Lake Kainji ). A long vowel is indicated by doubling the letter: ⟨aa, ee, ɛɛ, ii, oo, ɔɔ, uu⟩ ; nasalization is indicated by following the letter with an n: ⟨an, en, ɛn, in, on, ɔn, un⟩ . Niger River This

420-435: Is the opposite of a tributary , a stream that flows towards and into another stream or river. Distributaries are a result of river bifurcation and are often found where a river approaches a lake or an ocean and divides into distributary networks; as such they are a common feature of river deltas . They can also occur inland, on alluvial fans , or where a tributary stream bifurcates as it nears its confluence with

462-647: The Balonne River in Queensland into Narran Lake in New South Wales . Many of Papua New Guinea's major rivers flow into the Gulf of Papua through marshy, low-lying country, allowing for wide, many-branched deltas. These include the Fly River , which splits into three major and several minor rivers close to its mouth. The Bamu River splits into several channels close to its mouth, among them

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504-773: The Bebea , Bina , Dibiri , and Aramia . The Kikori River also splits into a multitude of channels as it crosses the plains close to the Gulf of Papua. The Purari River splits into three major channels as it approaches its mouth. New Zealand's second-longest river, the Clutha River , splits into two arms, the Matau and the Koua , some 10 kilometres from the South Island's Pacific Coast. A large island, Inch Clutha , lies between

546-498: The Kainji Dam , Shiroro Dam , Zungeru Dam , and Jebba Dam are used to generate hydropower. The water resources of the Niger River are under pressure because of increased water abstraction for irrigation. The construction of dams for hydropower generation is underway or envisaged in order to alleviate chronic power shortages in the countries of the Niger basin. The FAO estimates the irrigation potential of all countries in

588-747: The North Arm and the South Arm , and a few smaller ones adjoining them. Examples of inland distributaries: The Casiquiare canal is an inland distributary of the upper Orinoco , which flows southward into the Rio Negro , forming a unique natural canal between the Orinoco and Amazon river systems. It is the largest river on the planet that links two major river systems. The Huai River in China splits into three streams. The main stream passes through

630-591: The Scramble for Africa at the end of the 19th century. As part of the West Africa Sahel region, Niger River has a hot climate characterized by very high temperatures year-round; a long, intense dry season from October–May; and a brief, irregular rainy season linked to the West African monsoon. The Niger River is a relatively clear river, carrying only a tenth as much sediment as the Nile because

672-588: The Wadi Ghir on the north-western edge of the Tuat , along the borders of modern Morocco and Algeria . This would likely have been as far as Ptolemy would have had consistent records. The Ni-Ger was likely speculation, although the name stuck as that of a river south of the Mediterranean's "known world". Suetonius reports Romans traveling to the "Ger", although in reporting any river's name derived from

714-425: The 18th-century visits of Mungo Park , who travelled down the Niger River and visited the great Sahelian empires of his day, that Europeans correctly identified the course of the Niger and extended the name to its entire course. The modern nations of Nigeria and Niger take their names from the river, marking contesting national claims by colonial powers of the "upper", "lower" and "middle" Niger river basin during

756-592: The 1980s. The Niger takes one of the most unusual routes of any major river, a boomerang shape that baffled geographers for two centuries. Its source ( Tembakounda ) is 240 km (150 mi) inland from the Atlantic Ocean, but the river runs directly away from the sea into the Sahara Desert , then takes a sharp right turn near the ancient city of Timbuktu and heads southeast to the Gulf of Guinea . This strange geography apparently came about because

798-475: The Atchafalaya, was completed by the Army Corps of Engineers in 1963. The dam is intended to prevent the Atchafalaya from capturing the main flow of the Mississippi and stranding the ports of Baton Rouge and New Orleans . In British Columbia , Canada, the Fraser River has numerous sloughs and side-channels which may be defined as distributaries. This river's final stretch has three main distributaries:

840-571: The Inner Delta between Ségou and Timbuktu to seepage and evaporation. The water from the Bani River , which flows into the Delta at Mopti , does not compensate for the losses. The average loss is estimated at 31 km /year but varies considerably between years. The river is then joined by various tributaries but also loses more water to evaporation. The quantity of water entering Nigeria

882-654: The Interior of Africa . Park proposed a theory that the Niger and Congo were the same river. Although the Niger Delta would seem like an obvious candidate, it was a maze of streams and swamps that did not look like the head of a great river. He died in 1806 on a second expedition attempting to prove the Niger-Congo connection. The theory became the leading one in Europe. Several failed expeditions followed; however

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924-412: The Niger River at Koulikoro (Upper Niger), Niamey (Middle Niger) and Lokoja (Lower Niger). Period from 2000/06/01 to 2024/05/31. Average discharge of the Niger River at Niger Delta (period from 2010 to 2018): Niger River at Lokoja average, minimum and maximum discharge (1946 to 2023): The main tributaries from the mouth: tributary tributary (km) (km ) (m /s) At

966-416: The Niger River is two ancient rivers joined together. The upper Niger, from the source west of Timbuktu to the bend in the current river near Timbuktu , once emptied into a now dry lake to the east northeast of Timbuktu, while the lower Niger started to the south of Timbuktu and flowed south into the Gulf of Guinea. Over time upstream erosion by the lower Niger resulted in stream capture of the upper Niger by

1008-481: The Niger bend region also brought Islam to the region in approximately the 14th century CE. Much of the northern Niger basin remains Muslim today, although the southern reaches of the river tend to be Christian. Classical writings on the interior of the Sahara begin with Ptolemy , who mentions two rivers in the desert: the "Gir" (Γειρ) and farther south, the "Nigir" (Νιγειρ). The first has been since identified as

1050-518: The Niger river basin at 2.8 million hectares. Only 0.93m hectares (ha) were under irrigation in the late 1980s. The irrigation potential was estimated at 1.68m ha in Nigeria 0.56m ha in Mali, and the actual irrigated area was 0.67m ha and 0.19m ha. Distributary A distributary , or a distributary channel is a stream channel that branches off and flows away from a main stream channel. It

1092-700: The Niger's headwaters lie in ancient rocks that provide little silt . Like the Nile, the Niger floods yearly; this begins in September, peaks in November, and finishes by May. An unusual feature of the river is the Inner Niger Delta , which forms where its gradient suddenly decreases. The result is a region of braided streams , marshes , and large lakes; the seasonal floods make the Delta extremely productive for both fishing and agriculture. The river loses nearly two-thirds of its potential flow in

1134-698: The Sanhe Sluice, goes out of the Sanhe river, and enters the Yangtze River through Baoying Lake and Gaoyou Lake . On the east bank of Hongze Lake , another stream goes out of Gaoliangjian Gate and enters the Yellow Sea at the port of Bidan through Subei Guan'gai Zongqu, the main irrigation channel of Northern Jiangsu ); its total length is 168 kilometers. The third stream leaves the Erhe lock on

1176-613: The West Channel of the Mackenzie River ), or to one that does (e.g. Annacis Channel and Annieville Channel of the Fraser River , separated by Annacis Island ). In Australia, the term anabranch is used to refer to a distributary that diverts from the main course of the river and rejoins it later. In North America such a branching river is called a braided river . In Louisiana , the Atchafalaya River

1218-541: The beginning of the river near Kissidougou in Guinea, walking at first till a raft could be used, then changing to various local crafts as the river broadened and changed. Two of them reached the ocean on March 25, 1947, with Ponty having left the expedition at Niamey , somewhat past the halfway mark. They carried a 16mm movie camera , the resulting footage giving Rouch his first two ethnographic documentaries: "Au pays des mages noirs", and "La chasse à l’hippopotame". A camera

1260-746: The end of the African humid period around 5,500 years before present, the modern Sahara Desert, once a savanna , underwent desertification . As plant species sharply declined, humans migrated to the fertile Niger River bend region, with abundant resources including plants for grazing and fish. Like in the Fertile Crescent , many food crops were domesticated in the Niger River region, including yams , African rice ( Oryza glaberrima ), and pearl millet . The Sahara aridification may have triggered, or at least accelerated, these domestications. Agriculture, as well as fishing and animal husbandry, led to

1302-578: The lower Niger. The northern part of the river, known as the Niger bend , is an important area because it is the major river and source of water in that part of the Sahara. This made it the focal point of trade across the western Sahara and the centre of the Sahelian kingdoms of Mali and Gao . The surrounding Niger River Basin is one of the distinct physiographic sections of the Sudan province, which in turn

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1344-509: The mystery of the Niger would not be solved for another 25 years, in 1830, when Richard Lander and his brother became the first Europeans to follow the course of the Niger to the ocean. In 1946, three Frenchmen, Jean Sauvy, Pierre Ponty and movie maker Jean Rouch , former civil servants in the African French colonies , set out to travel the entire length of the river, as no one else seemed to have done previously. They travelled from

1386-897: The northeast bank of Hongze Lake, passes the Huaishuhe River to the north of Lianyungang city, and flows into Haizhou Bay through the Hongkou. The Tha Chin River and Noi River are distributaries of the Chao Phraya River in Thailand , splitting off from the latter about 200 kilometers upstream from the Bay of Bangkok . The Brantas River in East Java , Indonesia , branches off into two distributaries, Mas River , also known as Surabaya River, and Porong River . A number of

1428-504: The rise of settlements like Djenné-Djenno in the Inner Delta, now a World Heritage Site . The region of the Niger bend, in the Sahel , was a key origin and destination for trans-Saharan trade , fueling the wealth of great empires such as the Ghana , Mali, and Songhai Empires . Major trading ports along the river, including Timbuktu and Gao, became centers of learning and culture. Trade to

1470-410: The river Niger. As Timbuktu was the southern end of the principal Trans-Saharan trade route to the western Mediterranean , it was the source of most European knowledge of the region. Medieval European maps applied the name Niger to the middle reaches of the river, in modern Mali, but Quorra ( Kworra ) to the lower reaches in modern Nigeria , as these were not recognized at the time as being

1512-692: The river – the myth connecting the Niger to the Nile persisted. Many European expeditions to plot the river were unsuccessful. In 1788 the African Association was formed in England to promote the exploration of Africa in the hopes of locating the Niger, and in June 1796 the Scottish explorer Mungo Park was the first European to lay eyes on the middle portion of the river since antiquity (and perhaps ever). He wrote an account in 1799, Travels in

1554-619: The rivers that flow inland from Australia's Great Dividing Range form distributaries, most of which flow only intermittently during times of high river levels and end in shallow lakes or simply peter out in the deserts. Yarriambiack Creek , which flows from the Wimmera River into Lake Coorong, and Tyrrell Creek, which flows from the Avoca River into Lake Tyrrell , are two distributaries in Victoria . The Narran River flows from

1596-529: The same river. When European colonial powers began to send ships along the west coast of Africa in the 16th and 17th centuries, the Senegal River was often postulated to be the seaward end of the Niger. The Niger Delta, pouring into the Atlantic through mangrove swamps and thousands of distributaries along more than 160 kilometres (100 mi), was thought to be coastal wetlands. It was only with

1638-405: Was a mystery to the outside world until the late 18th century. The connection to the Nile River was made not simply because this was then known as the great river of " Aethiopia " (by which all lands south of the desert were called by Classical writers), but because the Nile like the Niger flooded every summer. Through the descriptions of Leo Africanus and even Ibn Battuta – despite his visit to

1680-409: Was estimated at 25 km /year before the 1980s and at 13.5 km /year during the 1980s. The most important tributary is the Benue River which merges with the Niger at Lokoja in Nigeria. The total volume of tributaries in Nigeria is six times higher than the inflow into Nigeria, with a flow near the mouth of the river standing at 177.0 km /year before the 1980s and 147.3 km /year during

1722-404: Was the same as the actual Niger, or rather the river also known as Ger (currently known as Oued Guir, in Morocco), is a matter of discussion. This Nigris was said to divide "Africa proper" from the land of the (Western) Ethiopians to the south, and its name (as well as that of the river Ger) might well come from the Berber phrase gr-n-grwn meaning "river of rivers", as the current Tuareg name for

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1764-619: Was used to illustrate Rouch's subsequent book "Le Niger En Pirogue" (Fernand Nathan, 1954), as well as Sauvy's "Descente du Niger" (L'Harmattan, 2001). A typewriter was brought as well, on which Ponty produced newspaper articles he mailed out whenever possible. The water in the Niger River basin is partially regulated through dams. In Mali the Sélingué Dam on the Sankarani River is mainly used for hydropower but also permits irrigation. Two diversion dams, one at Sotuba just downstream of Bamako , and one at Markala , just downstream of Ségou , are used to irrigate about 54,000 hectares. In Nigeria

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