Groundwater-Mixing Mechanism in a Multiaquifer System Based on Isotopic Tracing Theory: A Case Study in a Coal Mine District, China

<div><i>δ </i><sup>13</sup>C versus CO<sub>3</sub><sup>2−</sup> + HCO<sub>3</sub><sup>−</sup> diagram of the water samples. MIX: mixing water; CLG: Cambrian aquifer groundwater; QG: Quaternary aquifer groundwater; sw: surface water; CSG: coal-bearing sandstone aquifer groundwater.</div>

Geofluids

fig6

Figure 6

Figure 6: Groundwater-Mixing Mechanism in a Multiaquifer System Based on Isotopic Tracing Theory: A Case Study in a Coal Mine District, China 