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Zorluk: ZorDrainage Systems: Major Rivers and Lakes of Africa

Arrange the following key geographical features and locations along the course of the River Niger in sequential order, starting from its source region in West Africa and moving downstream towards its lower course in Nigeria.

  1. 1Fouta Djallon Highlands
  2. 2Macina Inland Delta
  3. 3Kainji Dam Reservoir
  4. 4Lokoja Confluence

Cevap

The correct sequential order from upstream to downstream is Fouta Djallon Highlands, followed by Macina Inland Delta, Kainji Dam Reservoir, and Lokoja Confluence.
The correct order traces the natural downstream flow of the River Niger: 1. Fouta Djallon Highlands (source in Guinea) -> 2. Macina Inland Delta (Mali floodplains) -> 3. Kainji Dam Reservoir (middle course impoundment in Nigeria) -> 4. Lokoja Confluence (confluence with the Benue River in central Nigeria).

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1
Identify the headwaters/source region of the River Niger.
The River Niger originates in the high-altitude Fouta Djallon Highlands near the border of Sierra Leone in Guinea.
A river course always begins at its elevated source region.
2
Trace the river flow into Mali.
As the river flows northeast into Mali, the low slope causes it to spread out into the Macina Inland Delta.
The inland delta is an upper-middle course wetland feature situated prior to the northern desert bend.
3
Trace the river entering western Nigeria.
After looping south through Niger Republic into Nigeria, the river is impounded to form the Kainji Dam Reservoir.
Kainji Lake represents a major middle-course feature in western Nigeria.
4
Locate the major tributary junction in central Nigeria.
Further downstream at Lokoja, the River Niger merges with the Benue River before flowing towards the Gulf of Guinea.
The Lokoja confluence occurs downstream of Kainji in the lower course of the river system.

Anahtar Kavram

Sequential drainage flow and geomorphic features of major African rivers
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Konular

Drainage Systems: Major Rivers and Lakes of Africa

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