October 1, 2025WaterOpen Access

Analysis of Driving Factors of Groundwater Chemical Characteristics at Different Depths and Health Effects of Nitrate Exposure in Zhengzhou City, China

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Descriptive analysis reveals hydrochemical characteristics and health risks of nitrate in Zhengzhou groundwater.

Groundwater in Zhengzhou shows diverse chemical characteristics influenced by depth and solute exchanges.
Key findings include Ca2+ dominance in shallow groundwater and Na+ in deep groundwater, highlighting chemical shifts.
Gibbs diagrams and correlation methods were utilized to explore groundwater chemical compositions and formation mechanisms.
Health assessments indicate nitrate risks vary by age group, with medium-depth groundwater posing risks to all ages.

Zhang et al. (2025) studied this question.

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