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DOI	10.1016/j.jhydrol.2006.03.008
	Sediment sources and the flood record from Wanghu lake, in the middle reaches of the Yangtze River
	Yi, Chaolu; Liu, Huifang; Rose, Neil L.; Yang, Hong; Ni, Leyi; Xie, Ping
发表日期	2006
ISSN	0022-1694
EISSN	1879-2707
起始页码	568
结束页码	576
卷号	329 期号:3-4
英文摘要	A sediment core was collected from the centre of Wanghu Lake, in the Middle Reaches of the Yangtze River. The recent part of the core was dated using a combination of Pb-210 and spheroidal carbonaceous particle (SCP) techniques. Extrapolating this chronology dated the laminated section of the core, between 723 and 881 mm, to the first half of the 18th century and this section was selected for detailed study. The thicknesses of the laminae were measured using reflecting and polarizing microscopes whilst geochemistry was determined by an electron probe. The thickness of the dark layers was found to be positively correlated with titanium concentrations, and negatively correlated with aluminium and potassium concentrations. The thickness of the light layers was found to be negatively correlated with the concentrations of titanium. It is concluded that the dark layers were deposited from the Fushui River, a tributary of the Yangtze River, under periods of normal flow whilst the light Layers were mainly deposited from the Yangtze River itself during flood periods. Documentary evidence for floods occurring in the take catchment corresponded with thick laminations of high titanium concentration. Further, two of the three thickest, light laminations with low titanium concentrations were found to be synchronous with recorded flood dates of the main Yangtze River in its Middle Reaches, but one was synchronous with a local drought. These data suggest that the Lake sediment provides an archive of the relative water levels of the Yangtze and Wanghu including floods of both the main Yangtze River and the local hydrological regime. (c) 2006 Elsevier B.V. All rights reserved.
关键词	YR RECORD YIELD
英文关键词	laminated sediments; Yangtze river; sediment geochemistry; flood sources
语种	英语
WOS研究方向	Engineering ; Geology ; Water Resources
WOS类目	Engineering, Civil ; Geosciences, Multidisciplinary ; Water Resources
WOS记录号	WOS:000241295200018
来源期刊	JOURNAL OF HYDROLOGY
来源机构	中国科学院青藏高原研究所
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/257442
推荐引用方式 GB/T 7714	Yi, Chaolu,Liu, Huifang,Rose, Neil L.,et al. Sediment sources and the flood record from Wanghu lake, in the middle reaches of the Yangtze River[J]. 中国科学院青藏高原研究所,2006,329(3-4).
APA	Yi, Chaolu,Liu, Huifang,Rose, Neil L.,Yang, Hong,Ni, Leyi,&Xie, Ping.(2006).Sediment sources and the flood record from Wanghu lake, in the middle reaches of the Yangtze River.JOURNAL OF HYDROLOGY,329(3-4).
MLA	Yi, Chaolu,et al."Sediment sources and the flood record from Wanghu lake, in the middle reaches of the Yangtze River".JOURNAL OF HYDROLOGY 329.3-4(2006).