Source Identification of Cd and Pb in Typical Farmland Topsoil in the Southwest of China: A Case Study
| العنوان: | Source Identification of Cd and Pb in Typical Farmland Topsoil in the Southwest of China: A Case Study |
|---|---|
| المؤلفون: | Shijun Ni, Fei Wei, Junji Zhang, Xinyu Wang, Chao Liao, Zeming Shi |
| المصدر: | Sustainability, Vol 13, Iss 3729, p 3729 (2021) Sustainability Volume 13 Issue 7 |
| بيانات النشر: | MDPI AG, 2021. |
| سنة النشر: | 2021 |
| مصطلحات موضوعية: | 010504 meteorology & atmospheric sciences, Geography, Planning and Development, lcsh:TJ807-830, Linear correlation analysis, lcsh:Renewable energy sources, Cd and Pb, 010501 environmental sciences, Management, Monitoring, Policy and Law, 01 natural sciences, complex mixtures, chemistry.chemical_compound, farmland topsoil, Coal, lcsh:Environmental sciences, 0105 earth and related environmental sciences, Isotope analysis, multivariate statistical analysis, lcsh:GE1-350, Topsoil, Renewable Energy, Sustainability and the Environment, business.industry, source of pollution, lcsh:Environmental effects of industries and plants, Coal mining, Flow direction, Phosphate, lcsh:TD194-195, Phosphorite, chemistry, Pb isotope, Environmental chemistry, Environmental science, business |
| الوصف: | Cd and Pb in farmland topsoil are controlled by many factors. To identify the source of potential toxic metals in the farmland topsoil around Mianyuan River, the chemical analysis and multivariate statistical analysis are performed in this study. The results indicate the following: (1) The concentration of Cd and Pb in soil exceed the background value of Chinese soil elements. (2) Cd is significantly enriched in the whole region and Pb is locally enriched, both of them are more or less influenced by human activities. (3) The contents of Cd and Pb increase significantly following the flow direction of river. (4) Pb isotope analysis indicates that the main source of Pb in the soil include the air dust, coal and phosphate plant, and the contribution of them decreases successively. (5) Linear correlation analysis and principal component analysis show that the main sources of Cd in the soil are mining phosphate rock, air dust, phosphate plant and coal mining. |
| وصف الملف: | application/pdf |
| اللغة: | English |
| تدمد: | 2071-1050 |
| الوصول الحر: | https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5beb21f55c9f336ed534092207b4ff54Test https://www.mdpi.com/2071-1050/13/7/3729Test |
| حقوق: | OPEN |
| رقم الانضمام: | edsair.doi.dedup.....5beb21f55c9f336ed534092207b4ff54 |
| قاعدة البيانات: | OpenAIRE |
| تدمد: | 20711050 |
|---|