Identifying Anthropogenic Sources of Heavy Metals in Alpine Peatlands over the Past 150 Years: Examples from Typical Peatlands in Altay Mountains, Northwest China
Abstract
:1. Introduction
2. Materials and Methods
2.1. Regional Setting and Samples Collection
2.2. Chronology
2.3. Physicochemical Analysis
2.4. Contamination Assessment Methods
2.4.1. Enrichment Factors
2.4.2. The Geo-Accumulation Index
2.5. PMF Model
2.6. Data Analysis
3. Results
3.1. Sediment Chronology and Deposition Rate
3.2. Depth Distribution of Elements’ Concentration
3.3. Risk Evaluation of HMs in Sediments
3.4. Source Apportionment of HMs in Sedimentary Cores
4. Discussion
5. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Elements | JDY (mg·kg−1 yr−1) (n = 60) | HH (mg·kg−1 yr−1) (n = 30) |
---|---|---|
Cu | 0.951 | 0.229 |
Pb | 0.635 | 0.021 |
As | 0.095 | 0.013 |
Cd | 0.006 | 0.001 |
Zn | 1.250 | 0.164 |
Cr | 0.765 | 0.075 |
Ni | 0.520 | 0.158 |
Hg | 0.006 | 0.001 |
Mn | 6.393 | 0.613 |
V | 1.855 | 0.167 |
Fe | 439.371 | 46.679 |
Sb | 0.016 | 0.003 |
Al | 1043.284 | 96.317 |
Ca | 314.176 | 38.755 |
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Luo, N.; Yu, R.; Wen, B.; Li, X.; Liu, X.; Li, X. Identifying Anthropogenic Sources of Heavy Metals in Alpine Peatlands over the Past 150 Years: Examples from Typical Peatlands in Altay Mountains, Northwest China. Int. J. Environ. Res. Public Health 2023, 20, 5013. https://doi.org/10.3390/ijerph20065013
Luo N, Yu R, Wen B, Li X, Liu X, Li X. Identifying Anthropogenic Sources of Heavy Metals in Alpine Peatlands over the Past 150 Years: Examples from Typical Peatlands in Altay Mountains, Northwest China. International Journal of Environmental Research and Public Health. 2023; 20(6):5013. https://doi.org/10.3390/ijerph20065013
Chicago/Turabian StyleLuo, Nana, Rui Yu, Bolong Wen, Xiaoyu Li, Xingtu Liu, and Xiujun Li. 2023. "Identifying Anthropogenic Sources of Heavy Metals in Alpine Peatlands over the Past 150 Years: Examples from Typical Peatlands in Altay Mountains, Northwest China" International Journal of Environmental Research and Public Health 20, no. 6: 5013. https://doi.org/10.3390/ijerph20065013