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Alternative TitleSediment Yields Measured by Pond Deposits with Application of a ~(137)Cs Fingerprinting Technique for Small Catchments of the Three Gorges Reservoir Region
俱战省1; 严冬春2; 文安邦2; 史忠林2
Source Publication地球与环境
Contribution Rank2


Other Abstract

A study on sediment yields and sediment yield moduli during different periods of 1955-1963, 1963-2000 as well as 2001-2014 forHuangchongzi and Gongnonggou catchments in Zhongxian County, the Three Gorges Reservoir Region (TGRR) by using ~(137)Cs technique was conducted in this paper, based on the start-time of Grain to Green project (2000) as well as pond construction date (1955). Results indicate that sediment yield moduli of 1955-1963, 1963-2000, and 2001-2014 for Huangchongzi and Gongnonggou catchments display declining trends. The ecological environment of the catchments has become better than before. Sediment yield moduli of different periods for Huangchongzi catchment were apparently higher than those for Gonnonggou catchment. However, in 1963 year peak value of ~(137)Cs and surface sediment ~(137)Cs activities for Gonnonggou pond sediment core are both much lower than those for Huangchongzi catchment, which may be caused by different land use types and erosion pattern. In the future, the research on quantifying sediment yield from gully erosion should to be paid more attention to. This study could provide scientific reference for the ecological environmental construction of the Yangtze River Economic Belt.

Keyword~(137)Cs ~(137)Cs Pond Catchment Sediment Yield Modulus Yangtze River Economic Belt
Indexed ByCSCD
Citation statistics
Cited Times:2[CSCD]   [CSCD Record]
Document Type期刊论文
Corresponding Author严冬春
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
俱战省,严冬春,文安邦,等. 塘库沉积的~(137)Cs法断代测定三峡库区小流域产沙量[J]. 地球与环境,2018,46(1):76-81.
APA 俱战省,严冬春,文安邦,&史忠林.(2018).塘库沉积的~(137)Cs法断代测定三峡库区小流域产沙量.地球与环境,46(1),76-81.
MLA 俱战省,et al."塘库沉积的~(137)Cs法断代测定三峡库区小流域产沙量".地球与环境 46.1(2018):76-81.
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