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Cross River (native name: Oyono)[4] is the main river in southeastern Nigeria and gives its name to Cross River State. It originates in Cameroon, where it takes the name of the Manyu River.[5] Although not long by African standards its catchment has high rainfall and it becomes very wide. Over its last 80 kilometres (50 mi) to the sea it flows through swampy rainforest with numerous creeks and forms an inland delta near its confluence with the Calabar River,[6] about 20 kilometres (12 mi) wide and 50 kilometres (31 mi) long between the cities of Oron on the west bank and Calabar, on the east bank, more than 30 kilometres (19 mi) from the open sea. The delta empties into a broad estuary[7] which it shares with a few smaller rivers. At its mouth in the Atlantic Ocean, the estuary is 24 kilometres (15 mi) wide. The eastern side of the estuary is in the neighbouring country of Cameroon.

The Cross River, flowing through Cameroon and Nigeria
The Cross River, flowing through Cameroon and Nigeria
The Cross River near the town of Mamfe, Cameroon
The Cross River near the town of Mamfe, Cameroon
Cross River
Location
CountryCameroon, Nigeria
Physical characteristics
SourceCameroonian Highlands forests, Cameroon
  elevation2,728 m (8,950 ft)[1]
MouthBight of Biafra
  coordinates
4°45′39.6″N 8°20′48.5″E
Length489 km (304 mi)
Basin size53,590 km2 (20,690 sq mi)[2]
Discharge 
  locationCross River Estuary, Bight of Biafra, Nigeria
  average2,465.528 m3/s (87,069.3 cu ft/s)[3]
Basin features
River systemCross River

The major tributary of Cross river is the river Aloma coming from Benue State to merge with the Cross River in Cross River State. Cross River State is connected with a major highway to its sister state Akwa Ibom. The distance between Oron and Calabar is 21 kilometres (13 mi) by boat and about 200 kilometres (120 mi) by road. The population of the lower Cross River traditionally use water transport and Calabar has long had a major seaport, in the Calabar River about 10 kilometres (6 mi) from its confluence with the Cross River and about 55 kilometres (34 mi) from the sea. The Itu bridge on the Cross River is along Itu-Calabar highway and is reported to be one of the landmark achievements of the Gowon administration when it was completed in 1975.

The Cross River forms a boundary between two tropical moist forest ecoregions: the Cross-Niger transition forests, which lie west of the river between the Cross and Niger Rivers, and the Cross-Sanaga-Bioko coastal forests, which lie to the east between the Cross River and the Sanaga River of Cameroon. The average annual rainfall varies from 1,760 mm in the northern part of the state to 3,100 mm in the southern part (WSSSRP II 2016).[8]

Dancers in Cross river state attire
Dancers in Cross river state attire

Cross River also gives its name to a national park and a family of languages.

The Cross River Region is of great historical importance, being a) adjacent to the likely homeland from which Bantu speaking people migrated across most of Sub-Saharan Africa 3000-5000 years ago, b) the location of where the Nsibidi Script was created, and c) the location of Calabar, one of the largest centres during the Atlantic slave trade.


References


  1. Nkpa M., Ogarekpe; Ekpe A., Obio; Imokhai T., Tenebe; Praise God C., Emenike; Chidozie C., Nnaji (23 Jul 2020). "Flood vulnerability assessment of the upper Cross River basin using morphometric analysis".
  2. Nkpa M., Ogarekpe; Ekpe A., Obio; Imokhai T., Tenebe; Praise God C., Emenike; Chidozie C., Nnaji (23 Jul 2020). "Flood vulnerability assessment of the upper Cross River basin using morphometric analysis".
  3. "Rivers Network". 2020.
  4. Reclus, Élisée (1892). Africa. Vol. 3 (reprint ed.). Forgotten Books. p. 341. ISBN 1-4400-9130-7.
  5. L. Zapfack; J. S. O. Ayeni; S. Besong; M. Mdaihli (November 2001). "ETHNOBOTANICAL SURVEY OF THE TAKAMANDA FOREST RESERVE" (PDF). Archived from the original (PDF) on 2011-07-08. Retrieved 2011-02-05.
  6. "Maritime Organisation of West and Central Africa, Nigeria". Archived from the original on 2010-05-05. Retrieved 2009-01-25.
  7. Chisholm, Hugh, ed. (1911). "Cross River" . Encyclopædia Britannica. Vol. 7 (11th ed.). Cambridge University Press. p. 510.
  8. Nkpa M., Ogarekpe; Ekpe A., Obio; Imokhai T., Tenebe; Praise God C., Emenike; Chidozie C., Nnaji (23 Jul 2020). "Flood vulnerability assessment of the upper Cross River basin using morphometric analysis".




На других языках


[de] Cross River (Fluss)

Der Cross River (früher im Deutschen auch Kreuzfluss)[3] ist ein Fluss im Südosten Nigerias. Er entspringt im Hochland von Kamerun.
- [en] Cross River (Nigeria)

[es] Río Cross

El río Cross es un importante río costero del África occidental, que discurre por Camerún y Nigeria. Corre en su mayor parte por el sudoeste de Nigeria, donde atraviesa y da nombre al homónimo estado de Cross River, en la frontera con Camerún, estado que tiene una superficie de 20 156 km² y una población de 3 169 053 habitantes (2006) y cuya capital es Calabar.

[it] Cross (fiume)

Il Cross (in inglese Cross River, o localmente Oyono) è un fiume lungo 489 km che scorre attraverso il Camerun e la Nigeria per sfociare nel golfo di Guinea nei pressi della città nigeriana di Calabar, capitale dello stato di Cross River.

[ru] Кросс (река)

Кросс — река в Западной Африке. Длина реки — 489 км.[источник не указан 1785 дней]



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