期刊
ENVIRONMENTAL RESEARCH
卷 202, 期 -, 页码 -出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.envres.2021.111702
关键词
Heavy metal pollution; Soil heavy metal; Risk assessment; Monte Carlo simulation
资金
- Strategic Priority Program of the Chinese Academy of Science (CAS), PanThird Pole Environment Study for a Green Silk Road [XDA20040400]
- Local People's Government of the Xinjiang Uygur Autonomous Region in China [L06]
- Tianshan talent project of Xinjiang Uygur Autonomous region [400070010209]
The study analyzed the pollution characteristics and sources of heavy metal elements in the Zhundong mining area in Xinjiang for the first time, as well as evaluating the health risks and influencing factors using Monte Carlo simulation. Results showed that coal combustion, transportation, and atmospheric dust were significant sources of heavy metal pollution in the area. The research contributes to better soil management, remediation, and pollution control in Xinjiang's mining areas.
This study aims to analyze the pollution characteristics and sources of heavy metal elements for the first time in the Zhundong mining area in Xinjiang using the linear regression model. Additionaly, the health risks with their probability and infleuencing factors on different groups of people's were also evaluated using Monte Carlo (MC) simulation approach. The results shows that 89.28% of Hg was from coal combustion, 40.28% of Pb was from transportation, and 19.54% of As was from atmospheric dust. The main source of Cu and Cr was coal dust, Hg has the greatest impact on potential ecological risks. which accounted for 60.2% and 81.46% of the Cu and Cr content in soil, respectively. The all samples taken from Pb have been Extremely polluted (100%). 93.3% samples taken from As have been Extremely polluted. The overall potential ecological risk was moderate. Adults experienced higher non-carcinogenic risks of heavy metals from their diets than children. Interestingly, body weight was the main factor affecting the adult's health risks. This research provides more comprehensive information for better soil management, soil remediation, and soil pollution control in the Xinjiang mining areas.
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