Occurrence, spatial distribution, and sources of rare earth elements in soils of large urban agglomerations in Northern China
文献类型：期刊论文
| 作者 | Li, Shun1,3; Wang, Siyu2; Han, Xiaoxiao1; Xiong, Zhunan1,3; Wang, Lingqing1,3; Liang, Tao1,3 |
| 刊名 | PROCESS SAFETY AND ENVIRONMENTAL PROTECTION
 |
| 出版日期 | 2025-03-01 |
| 卷号 | 195页码:106741 |
| 关键词 | Beijing-Tianjin-Hebei urban agglomeration Rare earth elements Risk assessment Driving factors Source analysis |
| ISSN号 | 0957-5820 |
| DOI | 10.1016/j.psep.2024.12.122 |
| 产权排序 | 1 |
| 文献子类 | Article |
| 英文摘要 | The inadvertent release of rare earth elements (REEs), emerging as pollutants in agriculture and industry, has contributed to urban soil contamination. However, the driving factors and primary sources of their accumulation in urban soils remain inadequately understood. This study systematically investigated the concentration and spatial distribution of REEs in the Beijing-Tianjin-Hebei urban agglomeration (BTHUA) soils and identified pollution sources using gradient boosting decision tree (GBDT) and positive matrix factorization (PMF) models. Results revealed there was a significant risk of point-source pollution from REEs in BTHUA soils, primarily located in areas with heavy traffic and industrial clusters. Analysis using the GBDT model indicated that soil REEs enrichment was influenced by factors such as soil characteristics (humidity index, HI; soil total organic carbon, TOC), and industrial and urbanization activities (enterprise density, ED; distance from road, Distance). The PMF model results demonstrated that natural sources (48.04 %) were the main contributors to REEs in BTHUA soils, while industrial and transportation sources (31.87 %) and agricultural sources (20.09 %) may significantly affect the spatial heterogeneity of REEs in urban soils. These findings provide guidance for the risk management of REEs in BTHUA soils. |
| URL标识 | 查看原文 |
| WOS关键词 | TRACE-ELEMENTS ; POLLUTION ; TOPSOIL ; APPORTIONMENT ; SEDIMENTS ; METALS ; REGION ; RISKS ; PLANT ; PMF |
| WOS研究方向 | Engineering |
| 语种 | 英语 |
| WOS记录号 | WOS:001397240100001 |
| 出版者 | ELSEVIER |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/211313]  |
| 专题 | 陆地表层格局与模拟院重点实验室_外文论文 |
| 通讯作者 | Liang, Tao |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Land Surface Pattern & Simulat, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China; 2.Xinjiang Univ, Coll Ecol & Environm, Urumqi 830017, Peoples R China 3.Univ Chinese Acad Sci, Sino Danish Coll, Beijing 100049, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Li, Shun,Wang, Siyu,Han, Xiaoxiao,et al. Occurrence, spatial distribution, and sources of rare earth elements in soils of large urban agglomerations in Northern China[J]. PROCESS SAFETY AND ENVIRONMENTAL PROTECTION,2025,195:106741. |
| APA | Li, Shun,Wang, Siyu,Han, Xiaoxiao,Xiong, Zhunan,Wang, Lingqing,&Liang, Tao.(2025).Occurrence, spatial distribution, and sources of rare earth elements in soils of large urban agglomerations in Northern China.PROCESS SAFETY AND ENVIRONMENTAL PROTECTION,195,106741. |
| MLA | Li, Shun,et al."Occurrence, spatial distribution, and sources of rare earth elements in soils of large urban agglomerations in Northern China".PROCESS SAFETY AND ENVIRONMENTAL PROTECTION 195(2025):106741. |
入库方式： OAI收割
来源：地理科学与资源研究所
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