@article{ajwr2018644,
author={{Valentin, MVONDO and TCHOUTA, KEMGANG DONGMO and Guillaume, FAVREAU and Benjamin, NGOUNOU NGATCHA},
title={Use of Geological and Hydrogeochemical Data to Investigate Depressed Aquifers in the Southern Part of Lake Chad Basin (LCB), Cameroon},
journal={American Journal of Water Resources},
volume={6},
number={4},
pages={169--175},
year={2018},
url={http://pubs.sciepub.com/ajwr/6/4/4},
issn={2333-4819},
abstract={Depressed aquifers highlighted on the Cameroon border of Lake Chad have not yet been closely studied. The purpose of this work is to improve the knowledge of these depressions by combining a dataset derived from geology and hydrochemistry. To do this, a field campaign was conducted. During this campaign, static levels and physicochemical parameters (pH, temperature, electrical conductivity and turbidity) were measured. Groundwater sampling was also carried out. This study shows that piezometric levels decrease from the edge to the central part of the depression, regardless of the flow line. Ph vary from 7.09 to 7.80, temperatures from 21.70¡ãC to 24.50¡ãC and conductivities from 181.66 ¦Ìs/cm to 3446.66 ¦Ìs/cm with the highest values in the depression; the mineralization is done within the aquifer. Two water facies: calcic/magnesic bicarbonate facies (87.5%) and sodic/potassic bicarbonate facies (12.5%) were noted. This facies change is due to substitutions within the clay formations and dissolution of evaporitic minerals. The different litho-stratigraphic logs show a heterogeneous aquifer of which the formations could not be correlated.},
doi={10.12691/ajwr-6-4-4}
publisher={Science and Education Publishing}
}