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–TDS and <i>δ</i><sup>18</sup>O–TDS plots showing the increase in oxyhydrogen stable isotope (<i>δ</i> value) of groundwater samples with the change in TDS. 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 5

Figure 5: Groundwater-Mixing Mechanism in a Multiaquifer System Based on Isotopic Tracing Theory: A Case Study in a Coal Mine District, China 