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>D–<i>δ</i><sup>18</sup>O plot showing the stable isotope composition of water in the study area, which indicates the recharge sources. MIX: mixing water; CLG: Cambrian aquifer groundwater; QG: Quaternary aquifer groundwater; sw: surface water; CSG: coal-bearing sandstone aquifer groundwater.</div>

Geofluids

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Figure 4

Figure 4: Groundwater-Mixing Mechanism in a Multiaquifer System Based on Isotopic Tracing Theory: A Case Study in a Coal Mine District, China 