IMHE OpenIR  > Journal of Mountain Science  > Journal of Mountain Science-2015  > Vol12 No.6
Soil Geochemistry Changes Induced by a Foreign Soil Reconstruction Project in Three Gorges Reservoir Region of China
LIU Juan; WEI Chao-Fu; LUO You-Jin; DU Jing
Corresponding AuthorWEI Chao-Fu
2015-11
Source PublicationJournal of Mountain Science
ISSN1672-6316
Volume12Issue:6Pages:1511-1520
Subtype期刊论文
AbstractFertile topsoil was added onto the surface of barren slope land in Three Gorges Reservoir region of China in an anthropogenic process known as the foreign soil reconstruction project. The main goal of this paper was to reveal the influence of anthropogenic activities on pedogenic processes and soil classifications. Chemical weathering indices and comparative analysis were applied to discuss changes in geochemical compositions and weathering features of purplish soils (Cambisols) before and after the project. Results showed that: (1) The foreign soil reconstruction project slightly altered the major element composition of topsoil and improved the soil structure. Although the distributions of major elements in the original topsoil, original subsoil, foreign topsoil and newly constructed topsoil were all similar to that in upper continental crust, newly constructed topsoil was the most similar soil. (2) The chemical index of alteration was more sensitive than the weathering index of Parker at indicating chemical weathering status of purplish soil. The chemical weathering status of newly constructed topsoil was higher than that of the original topsoil and lower than that of foreign topsoil. (3) Anthropogenic activities may provide a promising new thought for the anthropogenic soil classification system. The scope and subgroups of Anthrosols should be extended and strengthened. Or there may be a need to combine Anthrosols and Technosols orders to create a new soil order. The results may be used for optimizing soil mellowing engineering activities and enriching the soil classification system.
KeywordAnthropogenic Activities Weathering Status Foreign Soil Reconstruction Project Pedogenic Processes Three Gorges Reservoir Region China
DOI10.1007/s11629-014-3285-9
Indexed BySCI
Language英语
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/11052
CollectionJournal of Mountain Science_Journal of Mountain Science-2015_Vol12 No.6
Recommended Citation
GB/T 7714
LIU Juan,WEI Chao-Fu,LUO You-Jin,et al. Soil Geochemistry Changes Induced by a Foreign Soil Reconstruction Project in Three Gorges Reservoir Region of China[J]. Journal of Mountain Science,2015,12(6):1511-1520.
APA LIU Juan,WEI Chao-Fu,LUO You-Jin,&DU Jing.(2015).Soil Geochemistry Changes Induced by a Foreign Soil Reconstruction Project in Three Gorges Reservoir Region of China.Journal of Mountain Science,12(6),1511-1520.
MLA LIU Juan,et al."Soil Geochemistry Changes Induced by a Foreign Soil Reconstruction Project in Three Gorges Reservoir Region of China".Journal of Mountain Science 12.6(2015):1511-1520.
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