Institutional Repository of Key Laboratory of Coastal Zone Environmental Processes, Yantai Institute of Coastal Zone Research, Chinese Academy of Sciences (KLCEP)
| Temporal and spatial distribution of trace metals in sediments from the northern Yellow Sea coast, China: implications for regional anthropogenic processes | |
Sun, Qianli1,2; Liu, Dongyan3 ; Liu, Tao4; Di, Baoping3; Wu, Feng5
| |
| 发表期刊 | ENVIRONMENTAL EARTH SCIENCES
 |
| ISSN | 1866-6280 |
| 2012-06-01 | |
| 卷号 | 66期号:3页码:697-705 |
| 关键词 | Yellow Sea Trace Metals Anthropogenic Activities Pollution |
| 产权排序 | [Sun, Qianli] E China Normal Univ, State Key Lab Estuarine, Shanghai 200062, Peoples R China; [Sun, Qianli] E China Normal Univ, Inst Coastal Res, Shanghai 200062, Peoples R China; [Liu, Dongyan; Di, Baoping] Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China; [Liu, Tao] E China Normal Univ, Dept Geog, Shanghai 200062, Peoples R China; [Wu, Feng] Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China |
| 通讯作者 | Sun, QL (reprint author), E China Normal Univ, State Key Lab Estuarine, Shanghai 200062, Peoples R China.,[email protected] |
| 作者部门 | 中科院海岸带环境过程与生态修复重点实验室 |
| 英文摘要 | Surface sediment samples from 17 sites in the Yantai coastal area, the northern Yellow Sea, China, combined with a sediment core were employed for geochemical and chronological analyses for the purpose of characterizing the temporal and spatial distribution of trace metals in sediments and their implications for anthropogenic processes. The results indicated that the spatial distribution of trace metals (Cr, Ni, Ti, Pb, As, Zn, Mn and Cu) in surface sediments was significantly contributed by the sewage discharges along the Yantai coast, and the coastal currents played a major role for transporting the pollutants to offshore. The temporal concentrations of trace metals in the sediment core based on the chronology determined by a combination of radionuclide Cs-137 and 210 Pb activity demonstrated that trace metal concentrations increased step-wisely over the last ca. 100 years, corresponding to the intensity of anthropogenic processes in the Yantai area. The high levels of Cu and As before the late 1970s indicated the agricultural emission from the application of pesticides. While, all the high-trace metal concentrations since the early 1980s could be seen as diagnostic indictors of increasing industrialization, urbanization and sewage discharge in the Yantai area. Although the potential ecological risk evaluation of trace metals in the coastal area suggests low-potential ecological risk at present, some trace metals, such as As and Pb need particular attention due to their slight contamination.; Surface sediment samples from 17 sites in the Yantai coastal area, the northern Yellow Sea, China, combined with a sediment core were employed for geochemical and chronological analyses for the purpose of characterizing the temporal and spatial distribution of trace metals in sediments and their implications for anthropogenic processes. The results indicated that the spatial distribution of trace metals (Cr, Ni, Ti, Pb, As, Zn, Mn and Cu) in surface sediments was significantly contributed by the sewage discharges along the Yantai coast, and the coastal currents played a major role for transporting the pollutants to offshore. The temporal concentrations of trace metals in the sediment core based on the chronology determined by a combination of radionuclide Cs-137 and 210 Pb activity demonstrated that trace metal concentrations increased step-wisely over the last ca. 100 years, corresponding to the intensity of anthropogenic processes in the Yantai area. The high levels of Cu and As before the late 1970s indicated the agricultural emission from the application of pesticides. While, all the high-trace metal concentrations since the early 1980s could be seen as diagnostic indictors of increasing industrialization, urbanization and sewage discharge in the Yantai area. Although the potential ecological risk evaluation of trace metals in the coastal area suggests low-potential ecological risk at present, some trace metals, such as As and Pb need particular attention due to their slight contamination. |
| 文章类型 | Article |
| 资助机构 | CAS[KZCX2-YW-Q07-04]; National Science Foundation of China (NSFC)[40976097, 40872211]; Ministry of Science and Technology of China[SKLEC-2008KYYW02] |
| 收录类别 | SCI |
| 语种 | 英语 |
| 关键词[WOS] | PB-210 ; CS-137 ; RATES ; ESTUARINE ; POLLUTION |
| 研究领域[WOS] | Environmental Sciences & Ecology ; Geology ; Water Resources |
| WOS记录号 | WOS:000304624100001 |
| 引用统计 | |
| 文献类型 | 期刊论文 |
| 条目标识符 | http://ir.yic.ac.cn/handle/133337/6056 |
| 专题 | 中国科学院海岸带环境过程与生态修复重点实验室 中国科学院海岸带环境过程与生态修复重点实验室_海岸带环境过程实验室 |
| 作者单位 | 1.E China Normal Univ, State Key Lab Estuarine, Shanghai 200062, Peoples R China 2.E China Normal Univ, Inst Coastal Res, Shanghai 200062, Peoples R China 3.Chinese Acad Sci, Yantai Inst Coastal Zone Res, Yantai 264003, Peoples R China 4.E China Normal Univ, Dept Geog, Shanghai 200062, Peoples R China 5.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Peoples R China |
| 推荐引用方式 GB/T 7714 | Sun, Qianli,Liu, Dongyan,Liu, Tao,et al. Temporal and spatial distribution of trace metals in sediments from the northern Yellow Sea coast, China: implications for regional anthropogenic processes[J]. ENVIRONMENTAL EARTH SCIENCES,2012,66(3):697-705. |
| APA | Sun, Qianli,Liu, Dongyan,Liu, Tao,Di, Baoping,&Wu, Feng.(2012).Temporal and spatial distribution of trace metals in sediments from the northern Yellow Sea coast, China: implications for regional anthropogenic processes.ENVIRONMENTAL EARTH SCIENCES,66(3),697-705. |
| MLA | Sun, Qianli,et al."Temporal and spatial distribution of trace metals in sediments from the northern Yellow Sea coast, China: implications for regional anthropogenic processes".ENVIRONMENTAL EARTH SCIENCES 66.3(2012):697-705. |
| 条目包含的文件 | 下载所有文件 | |||||
| 文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
| Temporal and spatial（533KB） | 开放获取 | -- | 浏览 下载 | |||
除非特别说明，本系统中所有内容都受版权保护，并保留所有权利。
修改评论