Donga (Benue)

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Donga
Northwest Region, Cameroon. Donga River in the north

Northwest Region, Cameroon . Donga River in the north

Data
location CameroonCameroon Cameroon Nigeria
NigeriaNigeria 
River system Niger
Drain over Benue  → Niger  → Gulf of Guinea
origin Confluence of two streams on the Mambilla Plateau
6 ° 41 ′ 58 ″  N , 11 ° 17 ′ 53 ″  E
Source height 1251  m
muzzle In the Benue coordinates: 8 ° 18 ′ 48 ″  N , 9 ° 57 ′ 51 ″  E 8 ° 18 ′ 48 ″  N , 9 ° 57 ′ 51 ″  E
Mouth height 93  m
Height difference 1158 m
Bottom slope 4.1 ‰
length 282 km
Catchment area 20,000 km²
Discharge at the Donga
A Eo gauge : 10,000 km² 		MNQ 1977
MQ 1977
Mq 1977
 MHQ 1977
 109 m³ / s
472 m³ / s
47.2 l / (s km²)
 1673 m³ / s
Discharge at the gauge near the mouth of the
A Eo : 20,000 km² 		MQ
Mq
 		1800 m³ / s
90 l / (s km²)
River Donga 3.jpg

The Donga is a river in Nigeria and Cameroon , and with the Benue , Ibi and Taraba one of the important rivers in the Nigerian state of Taraba .

course

The river has its source on the Mambilla Plateau in southeastern Nigeria, and is part of the international border between Nigeria and Cameroon. It finally flows into the Benue in Nigeria. The catchment area of the Donga is 20,000 km².

On average, the Donga has an outflow of around 1800 m³ of water per second.

There are three forest reserves in the catchment area of ​​the Donga in the Nigerian state of Taraba: Baissa, Amboi and Bissaula River. They are located on the slopes and at the foot of the Mambilla Plateau, southwest of the Gashaka-Gumti National Park .

Hydrometry

The flow rate of the river was recorded in 1977 at Ahua, about half of the catchment area in m³ / s.

Web links

Individual evidence

  1. ↑ National Bureau of Statistics Federal Republic of Nigeria Annual Abstract of Statistics, 2011 ( Memento of the original from December 3, 2015 in the Internet Archive ) Info: The archive link has been inserted automatically and has not yet been checked. Please check the original and archive link according to the instructions and then remove this notice. @1@ 2Template: Webachiv / IABot / www.nigerianstat.gov.ng
  2. ^ The Niger River Basin A Vision for Sustainable Management
  3. ↑ a b PANGEA Data Publisher for Earth & Environmental Science
  4. ↑ a b Inger Andersen, Ousmane Dione, Martha Jarosewich-Holder, Jean-Claude Olivry: The Niger River Basin: A Vision for Sustainable Management (PDF; 5.4 MB) World Bank . 2005. Retrieved February 6, 2011.
  5. ↑ Donga river basin forests . BirdLife International . Retrieved February 6, 2011.