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Geochemistry of rare earth elements in soils under different land uses in a typical karst area, Guizhou Province, Southwest China
Guilin Han;  Zhaoliang Song;  Yang Tang
2017
发表期刊Canadian Journal of Soil Science
卷号97期号:4页码:606-612
摘要

Understanding soil erosion processes under different land uses is important for predicting and controlling watershed soil losses, especially in karst areas. Five soil profiles and 55 soil samples were collected from soils that were under different land uses in a typical karst catchment, Southwest China. The total contents of rare earth elements (REE) are significantly lower (< 100 mg kg(-1)) than the average value of soils in China (181 mg kg(-1)). The enrichment degree of REE in heavy REE is much higher than that of light REE in all soil samples. A positive Ce anomaly (similar to 1.4) and a slightly negative Eu anomaly (similar to 0.95) were found. The enrichment and release of REE are partly controlled by pH, distribution of REE in bedrocks, contents, and adsorption ability of organic matters in weathering profiles.

关键词Rare Earth Elements Y/ho Land Use Karst Southwest China
收录类别SCI
语种英语
文献类型期刊论文
条目标识符http://ir.gyig.ac.cn/handle/42920512-1/8013
专题环境地球化学国家重点实验室
作者单位1.China Univ Geosci Beijing, Sch Sci Res, Beijing 100083, Peoples R China
2.Tianjin Univ, Inst Surface Earth Syst Sci Res, Tianjin 300072, Peoples R China
3.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
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Guilin Han;Zhaoliang Song;Yang Tang. Geochemistry of rare earth elements in soils under different land uses in a typical karst area, Guizhou Province, Southwest China[J]. Canadian Journal of Soil Science,2017,97(4):606-612.
APA Guilin Han;Zhaoliang Song;Yang Tang.(2017).Geochemistry of rare earth elements in soils under different land uses in a typical karst area, Guizhou Province, Southwest China.Canadian Journal of Soil Science,97(4),606-612.
MLA Guilin Han;Zhaoliang Song;Yang Tang."Geochemistry of rare earth elements in soils under different land uses in a typical karst area, Guizhou Province, Southwest China".Canadian Journal of Soil Science 97.4(2017):606-612.
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