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논문 기본 정보

자료유형
학술저널
저자정보
Shanshan Zou (Guizhou University) Pu Liu (Guizhou University) Jingyi Wang (Guizhou University) Hao Lu (Guizhou University) Yingdan Zhang (Guizhou University) Yidan Wang (Guizhou University) Bo Li (Guizhou University)
저널정보
대한환경공학회 Environmental Engineering Research Environmental Engineering Research 제30권 제2호
발행연도
2025.4
수록면
144 - 159 (16page)

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초록· 키워드

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A series of pollution problems have been caused by the drainage of closed coal mines. This study focuses on the XZ River in Guizhou Province, employing a comprehensive approach involving hydrochemical analysis, mathematical statistics, and one-dimensional water quality modeling to investigate the spatial evolution and source apportionment of heavy metals in karst surface rivers affected by AMD. The average pH, EC, and Eh values of groundwater and surface water in the XZ river basin were 6.27, 331 ㎲/㎝, 230 ㎷ and 3.86, 1671.57 ㎲/㎝, 412.71 ㎷, respectively, indicating severe pollution of surface water by AMD. The study reveals that groundwater in the XZ River Basin is predominantly of the HCO₃-Ca-Mg type, shifting to HCO₃-SO₄-Ca-Mg type with the influx of acid mine wastewater. Utilizing statistical methods for source apportionment analysis indicated that downstream concentrations of Fe, Mn, Zn, Cu, As, and Sr most likely originate from tributaries. Further analysis through one-dimensional water quality simulation confirmed that downstream concentrations of Fe, Mn, Zn, Cu, As, and Sr are attributed to tributaries. This suggests that XZ River is affected by pollution from different coal mines, primarily from coal mine M4, followed by coal mine M1.

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ABSTRACT
1. Introduction
2. Materials and Methodologies
3. Results
4. Discussion
5. Conclusions
References

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