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September 17, 2025ACS OmegaOpen Access

Hydrochemical Evolution of Karst Groundwater and Mining-Induced Activation Effects in a Coal Mining Area: A Case Study from the Tengxian Coalfield, China

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Authors

BTBo TianCLChang LuDZDeqiang Zhao

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Overview

Case study reveals mining-induced chemical evolution in karst groundwater, highlighting ion concentration changes.

Key Points

  • Hydrochemical analysis shows significant changes in ion concentrations due to mining-induced interactions.
  • Major ions like SO42– and Na+ dominate the karst groundwater hydrochemistry in the Tengxian Coalfield.
  • Multiwell drainage experiments reveal dominant water types and sources of ions in karst systems.
  • Stable ion concentrations under natural conditions contrast with increased variability during mining activities.

Cite This Study

Tian et al. (2025) studied this question.

synapsesocial.com/papers/68d4604031b076d99fa5f62chttps://doi.org/10.1021/acsomega.5c04077
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