IEECAS OpenIR  > 黄土与第四纪地质国家重点实验室(2010~)
An effective method for reconstructing the historical change in anthropogenic contribution to sedimentary organic matters in rivers
Wang, SS (Wang, Shanshan)1,2,3,4; Liu, GJ (Liu, Guijian)1,2; Zhang, JM (Zhang, Jiamei)1; Zhou, L (Zhou, Li)1; Lam, PKS (Lam, Paul K. S.)3
2019-03-10
Source PublicationSCIENCE OF THE TOTAL ENVIRONMENT
Volume655Pages:968-976
Contribution Rank2
AbstractSurface water quality has been greatly affected by anthropogenic activities around the world in the past decades. Scientists and policymakers should pay close attention to quantify historical change in human impacts on aquatic environment. An effective method for reconstructing the historical input of anthropogenic organic matters in aquatic environment is urgently required. Here, five sediment cores from the Huaihe River were analyzed for n-alkanes (C-8-C-40) and isoprenoid alkanes (pristane and phytane) using gas chromatography-mass spectrometry (GC-MS). Sixty years (1955-2014) sedimentary history of n-alkanes was reconstructed using Pb-210 method. The evaluation of wax n-alkanes percentage (WNA) indicated that the terrestrial higher plant input was predominant in most samples. The main anthropogenic sources were the petroleum hydrocarbon, fossil fuel combustion and the discharge of industrial wastewater and domestic sewage. The results of principal component analysis-multiple linear regression (PCA-MLR) indicated that the respective contributions of anthropogenic and biogenic sources to sedimentary organic matters were 47.8% and 48.1% in the Huaihe River. Furthermore, the anthropogenic contribution displayed a decrease trend from 1991 to 2014, which probably attributed to the effective pollution control measures taken by the local government. However, the anthropogenic contribution was still considerable during this period. Thus, the government should pay attention to organic pollution control in the Huaihe River sediments continuously. In summary, this study provides an effective method for reconstructing the historical change in anthropogenic contribution to sedimentary organic matters in rivers, which can probably be applied to other aquatic environment around the world.
KeywordHuaihe River Lipid biomarkers Sediment cores Anthropogenic contribution Sedimentary organic matters
Indexed BySCI ; SCIE
Language英语
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/10938
Collection黄土与第四纪地质国家重点实验室(2010~)
Corresponding AuthorLiu, GJ (Liu, Guijian)
Affiliation1.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Anhui, Peoples R China;
2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China;
3.City Univ Hong Kong, Dept Chem, SKLMP, Hong Kong, Peoples R China;
4.Univ Sci & Technol China, Suzhou Inst Adv Study, Suzhou 215123, Jiangsu, Peoples R China
Recommended Citation
GB/T 7714
Wang, SS ,Liu, GJ ,Zhang, JM ,et al. An effective method for reconstructing the historical change in anthropogenic contribution to sedimentary organic matters in rivers[J]. SCIENCE OF THE TOTAL ENVIRONMENT,2019,655:968-976.
APA Wang, SS ,Liu, GJ ,Zhang, JM ,Zhou, L ,&Lam, PKS .(2019).An effective method for reconstructing the historical change in anthropogenic contribution to sedimentary organic matters in rivers.SCIENCE OF THE TOTAL ENVIRONMENT,655,968-976.
MLA Wang, SS ,et al."An effective method for reconstructing the historical change in anthropogenic contribution to sedimentary organic matters in rivers".SCIENCE OF THE TOTAL ENVIRONMENT 655(2019):968-976.
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