Figure 9. Relationship between δ18O, chloride and nitrate

From

Stable Isotopes for Groundwater Assessment of the Quaternary Aquifer of the Western Part of Chad: A Case Study of Bahr El Gazel, Hadjer Lamis, Kanem and Lac Regions

A. Abdoulaye, H. C. Emvoutou, M. Diedhiou, M. S. Annadif, M. S. Hachimm, S. Faye

American Journal of Water Resources. 2021, 9(2), 49-62 doi:10.12691/ajwr-9-2-3