Figure 2

Variation in groundwater cation concentration from 2015 to 2019. Figure mainly describes the ion mass concentrations of K+, Na+, Ca2+, and Mg2+ in groundwater in different years from 2015 to 2019. Figure was created using Origin [2022].
Variation in groundwater cation concentration from 2015 to 2019. Figure mainly describes the ion mass concentrations of K+, Na+, Ca2+, and Mg2+ in groundwater in different years from 2015 to 2019. Figure was created using Origin [2022].