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Characterization of recharge mechanisms in a Precambrian basement aquifer in semi-arid south-west Niger

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Academic year: 2021

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Figure

Table 2: Comparison of tritium content in boreholes in 1980-1981 (in Ousmane, 1988) and 497
Fig. 2 Fluctuations in the depth to the water table in the shallow aquifer (W1) and in the deep 877
Fig.  3  Map  of  the  main  groundwater  flow  directions  (Nov.,  2009)  in  the  deep  aquifer  part
Fig. 5 Chemical facies (Piper diagram) of the sampled waters (HWL : High water levels;
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