Geochemical processes controlling the groundwater chemistry and fluoride contamination in the Yuncheng Basin, China—An area with complex hydrogeochemical conditions
Fig 5
(a) Plots of TDS versus Na/(Na+Ca) and (b) TDS versus Cl/(Cl+HCO3) illustrating the dominant processes that control the groundwater chemistry in the study area.
Triangle, shallow groundwater; circle, deep groundwater.