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Dating of reservoir and pond deposits by the Cs-137 technique to assess sediment production in small catchments of the Hilly Sichuan basin and the Three Gorges Region, China
Language英语
Xinbao Zhang1,2; Yongqing Qi1; Xiubin He1; Anbang Wen1; Jiexiong Fu1
2006
Source PublicationSediment Dynamics and the Hydromorphology of Fluvial Systems
Author of SourceRowan, JS ; Duck, RW ; Werritty, A
Volume306
Pages348-354
meetingSymposium on Sediment Dynamics and the Hydromorphology of Fluvial Systems
Conference DateJUL 02-07, 2006
Conference PlaceDundee
CountrySCOTLAND
Publication PlaceWALLINGFORD
PublisherINT ASSOC HYDROLOGICAL SCIENCES
Contribution Rank1
AbstractThere is a huge number of small reservoirs and ponds with quite high deposition rates in the Hilly Sichuan basin and Three Gorges Region, China. Ponds in four small catchments in Yanting and Nanchong of Sichuan Province and Kaixian of Chongqing were selected for this study. Incremental samples of sediment deposit profiles for Cs-137 dating were collected from the four ponds to estimate the volumes deposited since 1963. By analysis of the topographic characteristics and the Cs-137 depth distribution in rice fields it was concluded that no significant sediment accumulation occurs in the valley areas The direct estimates of catchment erosion infer rates of 566-1869 t km (-2) year The main factors accounting for the severe erosion of these regions are topography, soil erodibility and bedrock bedding conditions.
KeywordCs-137 hilly sichuan basin three gorges region sediment yield small catchments
ISBN978-1-901502-68-8
ISSN0144-7815
Indexed ByEI ; CPCI
Accession numberAccession number:20063710109917
WOS IDWOS:000248525200040
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/33519
Collection成都山地所知识仓储(2009年以前)
山地表生过程与生态调控重点实验室
科技与合作处
Corresponding AuthorXinbao Zhang
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China;
2.State Key Laboratory of Loess and Quaternary Geoglogy, Institute of Earth Environment, Chinese Academy of Scienes, Xi'an 710075, Peoples R China
First Author Affilication中国科学院水利部成都山地灾害与环境研究所
Corresponding Author Affilication中国科学院水利部成都山地灾害与环境研究所
Recommended Citation
GB/T 7714
Xinbao Zhang,Yongqing Qi,Xiubin He,et al. Dating of reservoir and pond deposits by the Cs-137 technique to assess sediment production in small catchments of the Hilly Sichuan basin and the Three Gorges Region, China[C]//Rowan, JS, Duck, RW, Werritty, A. WALLINGFORD:INT ASSOC HYDROLOGICAL SCIENCES,2006:348-354.
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