Hydrogeochemistry of Fluorine in Groundwater in Humid Mountainous Areas: A Case Study at Xingguo County, Southern China

Figure 4

Relationship between F⁻ and pH in the groundwater of different subsystems. (a) Groundwater subsystem of Suishui River. (b) Groundwater subsystem of Jianshui River. (c) Groundwater subsystem of Wushu River.

(a)

(b)

(c)