n-Alkanes in sediments from the Yellow River Estuary, China: Occurrence, sources and historical sedimentary record

doi:10.1016/j.ecoenv.2017.12.016

CORC > 地球环境研究所 > 中国科学院地球环境研究所 > 黄土与第四纪地质国家重点实验室（2010~）

	n-Alkanes in sediments from the Yellow River Estuary, China: Occurrence, sources and historical sedimentary record
	Da, Chunnian 2; Wang, Shanshan 1,2; Liu, Guijian 1,2; Yuan, Zijiao 2
刊名	ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY
	2018-04-15
卷号	150 期号:2018 页码:199-206
关键词	N-alkanes Surface Sediments Sediment Core Yellow River Estuary Old Yellow River Estuary
DOI	10.1016/j.ecoenv.2017.12.016
文献子类	Article
英文摘要	A total of 21 surface sediments from the Yellow River Estuary (YRE) and a sediment core from the abandoned Old Yellow River Estuary (GYRE) were analyzed for n-alkanes using gas chromatography-mass spectrometry (GC-MS). n-Alkanes in the range C-12-C-33 and C-13-C-34 were identified in the surface sediments and the core, respectively. The homologous series were mainly bimodal distribution pattern without odd/even predominance in the YRE and GYRE. The total n-alkanes concentrations in the surface sediments ranged from 0.356 to 0.572 mg/kg, with a mean of 0.434 mg/kg on dry wt. basis. Evaluation of n-alkanes proxies indicated that the aliphatic hydrocarbons in the surface sediments were derived mainly from a petrogenic source with a relatively low contribution of submerged/floating macrophytes, terrestrial and emergent plants. The dated core covered the time period 1925-2012 and the mean sedimentation rate was ca. 0.5 cm/yr. The total n-alkanes concentrations in the core ranged from 0.0394 to 0.941 mg/kg, with a mean of 0.180 mg/kg. The temporal evolution of n-alkanes reflected the historical input of aliphatic hydrocarbons and was consistent with local and regional anthropogenic activity. In general, the investigation on the sediment core revealed a trend of regional environmental change and the role of anthropogenic activity in environmental change.
WOS关键词	POLYCYCLIC AROMATIC-HYDROCARBONS ; SURFACE SEDIMENTS ; POLYAROMATIC HYDROCARBONS ; ALIPHATIC-HYDROCARBONS ; COASTAL SEDIMENTS ; ORGANIC-MATTER ; MEDITERRANEAN SEA ; BOHAI SEA ; DELTA ; BAY
WOS研究方向	Environmental Sciences & Ecology ; Toxicology
语种	英语
WOS记录号	WOS:000423651600024
内容类型	期刊论文
源URL	[http://ir.ieecas.cn/handle/361006/5233]
专题	地球环境研究所_黄土与第四纪地质国家重点实验室（2010~）
作者单位	1.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian 710075, Shaanxi, Peoples R China 2.Univ Sci & Technol China, Sch Earth & Space Sci, CAS Key Lab Crust Mantle Mat & Environm, Hefei 230026, Anhui, Peoples R China
推荐引用方式 GB/T 7714	Da, Chunnian,Wang, Shanshan,Liu, Guijian,et al. n-Alkanes in sediments from the Yellow River Estuary, China: Occurrence, sources and historical sedimentary record[J]. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,2018,150(2018):199-206.
APA	Da, Chunnian,Wang, Shanshan,Liu, Guijian,&Yuan, Zijiao.(2018).n-Alkanes in sediments from the Yellow River Estuary, China: Occurrence, sources and historical sedimentary record.ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY,150(2018),199-206.
MLA	Da, Chunnian,et al."n-Alkanes in sediments from the Yellow River Estuary, China: Occurrence, sources and historical sedimentary record".ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 150.2018(2018):199-206.