Figure 6. Schematic map showing the two distinct basins of Lake Chad in the southern basin (the observation sites of the measurements: Bol, Baga-sola, Guitte and Dandi) and the northern basin separated by the great barrier line Baga kawa - Baga Sola over a width of 40 km [5]

From

Study of the Dynamics of Quaternary Aquifers by Infiltration of Rainwater and/or Lake Chad

BADA Ali Malloum, MALOU Raymond, KODI Mahamat Mbâm, SOUK Allag Waayna

American Journal of Water Resources. 2017, 5(2), 41-53 doi:10.12691/ajwr-5-2-3