Spatiotemporal distribution of polycyclic aromatic hydrocarbons in sediments of a typical river located in the Loess Plateau, China: Influence of human activities and land-use changes
文献类型：期刊论文
| 作者 | Zhang, Yixuan1; Cheng, Dandong1; Lei, Yali1,3; Song, Jinxi1; Xia, Jun1,2 |
| 刊名 | JOURNAL OF HAZARDOUS MATERIALS
 |
| 出版日期 | 2022-02-15 |
| 卷号 | 424页码:10 |
| 关键词 | PAHs Spatiotemporal variations Human impacts Yanchang oilfield The Loess Plateau |
| ISSN号 | 0304-3894 |
| DOI | 10.1016/j.jhazmat.2021.127744 |
| 通讯作者 | Cheng, Dandong(dcheng@nwu.edu.cn) ; Xia, Jun(xiajun666@whu.edu.cn) |
| 英文摘要 | The Loess Plateau, as the key energy base of China, has sensitive responses to the global changes, and receives polycyclic aromatic hydrocarbons (PAHs) from anthropogenic activities. However, understanding how anthropogenic and climate factors affect synergistically the PAHs distribution in this vulnerable ecological environment is deficient. Here the spatiotemporal distribution of PAHs in sediments from a typical river of the Loess Plateau were investigated. The PAHs were mainly from coal combustion in the range of 194-514 ng g-1, and their concentrations were generally higher in normal season than wet season as the dilution effect of high river discharge and strong precipitation. The interactive effects of land-use and precipitation showed PAHs enriched in forest-grass land were transferred into rivers through surface and subsurface runoff during light rainfall, resulting in the increase of the PAHs concentrations in river sediments. In contrast, large precipitation in wet season would obscure any spatial variations. In addition, human activities, especially energy production, directly enhanced PAHs accumulation in river sediments due to the emission from the production processing of oil and coal, and indirectly influenced the PAHs by impacting the per capita GDP. These findings had important implications for the management and prediction of PAH accumulation. |
| WOS关键词 | SOURCE APPORTIONMENT ; SURFACE SEDIMENTS ; YANGTZE-RIVER ; SEASONAL-VARIATION ; SPATIAL VARIATION ; PAHS ; RISK ; TRANSPORT ; ATMOSPHERE ; WATER |
| 资助项目 | Special Funds of the National Natural Science Foundation of China[42041004] ; National Natural Science Foundation of China[42101085] ; Shaanxi Province Water Conservancy Science and Technology Project[2021slkj-13] ; Natural Science Foundation of Shaanxi Province, China[2021JQ-444] ; Key Research and Development Pro-gram of Shaanxi Province, China[2019ZDLSF05-02] |
| WOS研究方向 | Engineering ; Environmental Sciences & Ecology |
| 语种 | 英语 |
| WOS记录号 | WOS:000734395900006 |
| 出版者 | ELSEVIER |
| 资助机构 | Special Funds of the National Natural Science Foundation of China ; National Natural Science Foundation of China ; Shaanxi Province Water Conservancy Science and Technology Project ; Natural Science Foundation of Shaanxi Province, China ; Key Research and Development Pro-gram of Shaanxi Province, China |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/169144]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Cheng, Dandong; Xia, Jun |
| 作者单位 | 1.Northwest Univ, Coll Urban & Environm Sci, Shaanxi Key Lab Earth Surface Syst & Environm Car, Xian 710127, Peoples R China 2.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China 3.SINOMA Int Engn CO LTD, Nanjing 211100, Peoples R China |
| 推荐引用方式 GB/T 7714 | Zhang, Yixuan,Cheng, Dandong,Lei, Yali,et al. Spatiotemporal distribution of polycyclic aromatic hydrocarbons in sediments of a typical river located in the Loess Plateau, China: Influence of human activities and land-use changes[J]. JOURNAL OF HAZARDOUS MATERIALS,2022,424:10. |
| APA | Zhang, Yixuan,Cheng, Dandong,Lei, Yali,Song, Jinxi,&Xia, Jun.(2022).Spatiotemporal distribution of polycyclic aromatic hydrocarbons in sediments of a typical river located in the Loess Plateau, China: Influence of human activities and land-use changes.JOURNAL OF HAZARDOUS MATERIALS,424,10. |
| MLA | Zhang, Yixuan,et al."Spatiotemporal distribution of polycyclic aromatic hydrocarbons in sediments of a typical river located in the Loess Plateau, China: Influence of human activities and land-use changes".JOURNAL OF HAZARDOUS MATERIALS 424(2022):10. |
入库方式： OAI收割
来源：地理科学与资源研究所
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