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Environmental Changes on the Southern Sides of Lake Chad (1951-1987)

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Environmental Changes on the Southern Sides of Lake Chad (1951-1987)

Diane Brami
Laboratoire Prodig, CNRS Paris 1-Paris 4 -Paris 7 Ephe
France
Email: [email protected]

Location

The Lake Chad Basin which lyes between the 8th N and the 16th N parallels of latitude comes under a tropical climate with unimodal rainfall. The rains occur within the boreal summer, their maximum is in august. In the northern side of the 16th parallel the rainy season lasts two or three months, whereas in the south it can last six months.

During the two last decades the rains were disminishing (carte n° 1).


Carte n° 1 : Position des isohy