Fig. 12
Relationship between I⁻ and F⁻ concentrations and SO₄²⁻/(HCO₃⁻+CO₃²⁻) ratio in SG and DG from 2014 to 2022 (high-iodine and high-fluoride groundwater sampling points above the dashed line).
Fig. 12 | Scientific Reports
Relationship between I⁻ and F⁻ concentrations and SO₄²⁻/(HCO₃⁻+CO₃²⁻) ratio in SG and DG from 2014 to 2022 (high-iodine and high-fluoride groundwater sampling points above the dashed line).
