Introduction
Lake Chad lies in an endorheic basin located in the center of Africa and is on the southern margin of the Sahara in the semiarid Sahel belt. It is a highly variable shallow lake centered approximately on 13°30′N and 14°E (Figure 1). During the last century, its water area has varied between 1,700 and 25,000 km2 in accordance with the changes in rainfall over its basin. When dealing with Lake Chad, it is thus necessary to specify the period considered.
The location of Lake Chad in Africa at the southern border of the Sahara.
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Lemoalle, J., Bader, JC., Leblanc, M. (2012). Chad Lake. In: Bengtsson, L., Herschy, R.W., Fairbridge, R.W. (eds) Encyclopedia of Lakes and Reservoirs. Encyclopedia of Earth Sciences Series. Springer, Dordrecht. https://doi.org/10.1007/978-1-4020-4410-6_201
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