Tracing the Origin of Groundwater Nitrate in an Area Affected by Acid Rain Using Dual Isotopic Composition of Nitrate

<div>Piper diagram of spring water samples. The HCO<sub>3</sub><sup>-</sup>-Ca<sup>2+</sup> and HCO<sub>3</sub><sup>-</sup>-Ca<sup>2+</sup>·Mg<sup>2+</sup> types were found to be dominant.</div>

Geofluids

fig3

Figure 3

Figure 3: Tracing the Origin of Groundwater Nitrate in an Area Affected by Acid Rain Using Dual Isotopic Composition of Nitrate 