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Fractal characteristics of synthetic soil for cut slope revegetation in the Purple soil area of China
Ai, Yingwei1; Chen, Zhaoqiong1; Guo, Peijun1; Zeng, Lixia1; Liu, Hao1; Da, Zhujun1; Li, Wei2
Corresponding AuthorAi, Yingwei
2012-02-01
Source PublicationCANADIAN JOURNAL OF SOIL SCIENCE
ISSN0008-4271
Volume92Issue:2Pages:277-284
SubtypeArticle
AbstractAi, Y., Chen, Z., Guo, P., Zeng, L., Liu, H., Da, Z. and Li, W. 2012. Fractal characteristics of synthetic soil for cut slope revegetation in the Purple soil area of China. Can. J. Soil Sci. 92: 277-284. Revegetation of the cut slopes formed during railroad construction can reduce potential hazards, improve the quality of the environment, and beautify the landscape along the railways. Artificial backfill soil is required to anchor the plant roots and satisfy the plant's moisture and nutritional demands on the bare rock face. The soil particle size distribution (PSD), fertility and stability of the reconstructed topsoils are affected by the soil type used as a backfill. In this study, a fractal method was used to characterize the PSD. The relationships between the fractal dimension of the PSD and selected soil properties, including soil moisture, bulk density, and organic carbon are discussed. Various soil samples were obtained from four different land-use environments in the purple soil area in southwest, China: a cut slope reconstructed from rock fragments (RF), a cut slope reconstructed with agricultural soil (AS), a naturally developed slope (NS), and a cropland used for growing Vicia (CL). Analysis of the soil samples revealed that: (1) from CL to RF, the sand content increased from 59.6 to 83.9%; (2) the fractal dimension of PSD ranged from 2.605 for RF to 2.725 for CL, being the greater the sand content and the lower the fractal dimension; (3) there existed marked linear relationships between the fractal dimensions and selected physicochemical properties of the soils. Therefore, the fractal dimension of PSD can be a useful parameter with which to monitor the structural deterioration and nutrient loss of the synthetic soils used for the revegetation of a cut slope.
KeywordCut-slope Synthetic Soil Soil Particle Size Distribution Fractal Dimension Soil Structure
WOS HeadingsScience & Technology ; Life Sciences & Biomedicine
DOI10.4141/CJSS2011-053
WOS Subject ExtendedAgriculture
Indexed BySCI
WOS KeywordPARTICLE-SIZE DISTRIBUTIONS ; NITROGEN ; AGGREGATION ; CARBON
Language英语
WOS SubjectSoil Science
WOS IDWOS:000302114900001
Funding OrganizationNature Science Foundation of China(41171175 ; Key Technology R&D Program of Sichuan Province, China(07FG001-018) ; 40771087)
Citation statistics
Cited Times:25[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/9909
Collection中国科学院水利部成都山地灾害与环境研究所
Affiliation1.Sichuan Univ, Key Lab Bioresources & Ecoenvironm, Minist Educ, Coll Life Sci, Chengdu 610064, Sichuan, Peoples R China
2.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Sichuan, Peoples R China
Recommended Citation
GB/T 7714
Ai, Yingwei,Chen, Zhaoqiong,Guo, Peijun,et al. Fractal characteristics of synthetic soil for cut slope revegetation in the Purple soil area of China[J]. CANADIAN JOURNAL OF SOIL SCIENCE,2012,92(2):277-284.
APA Ai, Yingwei.,Chen, Zhaoqiong.,Guo, Peijun.,Zeng, Lixia.,Liu, Hao.,...&Li, Wei.(2012).Fractal characteristics of synthetic soil for cut slope revegetation in the Purple soil area of China.CANADIAN JOURNAL OF SOIL SCIENCE,92(2),277-284.
MLA Ai, Yingwei,et al."Fractal characteristics of synthetic soil for cut slope revegetation in the Purple soil area of China".CANADIAN JOURNAL OF SOIL SCIENCE 92.2(2012):277-284.
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