Gongola River
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The Gongola River is in northeastern Nigeria , the principal tributary of the Benue River . [1] The upper course of the river as well as most of its tributaries are seasonal streams , but fill rapidly in August and September. [2] The Gongola rises on the eastern slopes of the Jos Plateau and falls to the Gongola Basin, running northeasterly until Nafada . [3] [4] At one time, the Gongola continued from here in the northeast direction to Lake Chad . [5] Today it turns south and then southeast until it joins the Hawal River, its main tributary. The Gongola then runs south to the Benue river , joining it opposite the town of Numan . [6]
The lower reaches of the river are impounded by the Dadin Kowa Dam near Gombe , and lower down by the Kiri Dam . After the Kiri dam was constructed, downstream flood peaks dropped from 1,420 cubic metres per second (50,000 cu ft/s) to 1,256 cubic metres per second (44,400 cu ft/s) , while flows in dryer seasons increased from 5.7 cubic metres per second (200 cu ft/s) to 21 cubic metres per second (740 cu ft/s) . [ citation needed ] The river downstream from the dam also narrowed and became less winding , with fewer separate channels. [7]
The Gongola's floodplains are covered with a fertile black alluvial soil.The Gongola's floodplains are covered with a fertile black alluvial soi [8] l [9] Cotton , peanuts (groundnuts) , and sorghum are grown for export to other parts of the country , and millet , beans , cassava (manioc) , onions , corn (maize) , and rice are also cultivated . [10] The government built the Kiri Dam on the river near Numan to provide irrigation for a sugar plantation . The basin is also used as grazing ground for cattle , goats , sheep , horses , and donkeys . [11]
References
- ↑ "Gongola River | Facts & Path | Britannica" . www.britannica.com . Retrieved 2023-07-04 .
- ↑ https://dailytrust.com/how-rivers-benue-gongola-confluence-can-boost-tourism-in-numan/
- ↑ "Gongola River | Facts & Path | Britannica" . www.britannica.com . Retrieved 2023-07-04 .
- ↑ "How rivers Benue, Gongola confluence can boost tourism in Numan" . Daily Trust . 2021-02-06 . Retrieved 2023-07-17 .
- ↑ https://www.researchgate.net/figure/Irrigation-well-characteristics-of-the-Gongola-River-Floodplain_tbl2_280761561
- ↑ "Gongola River" . Encyclopædia Britannica . Retrieved 2010-05-21 .
- ↑ Tukur A.L., Mubi A.M. (February 2002). "Impact of Kiri dam on the lower reaches of river Gongola, Nigeria" . GeoJournal, Volume 56, Number 2 . Springer. pp. 93–96(4) . Retrieved 2010-05-21 .
- ↑ "Gongola River | Facts & Path | Britannica" . www.britannica.com . Retrieved 2023-07-07 .
- ↑ "Preferential flow between rivers and aquifers in alluvial floodplains" . HydroShare Resources . Retrieved 2023-07-07 .
- ↑ Udo, Reuben K. (1970). Geographical regions of Nigeria . University of California Press. p. 150 .
- ↑ "Gongola River | Facts & Path" . Encyclopedia Britannica . Retrieved 2020-12-20 .
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9°30′N 12°04′E / 9.500°N 12.067°E / 9.500; 12.067
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