IMHE OpenIR  > 山地表生过程与生态调控重点实验室
Multifractal characteristics and spatial variability of soil particle-size distribution in different land use patterns in a small catchment of the Three Gorges Reservoir Region, China
Chen, Tai-li1,2; Shi, Zhong-lin1; Wen, An-bang1; Yan, Dong-chun1; Guo, Jin3; Chen, Jia-cun1,2; Liu, Yuan1,2; Chen, Rui-yin1,2
Corresponding AuthorYan, Dong-chun(yandc@imde.ac.cn)
2021
Source PublicationJOURNAL OF MOUNTAIN SCIENCE
ISSN1672-6316
EISSN1993-0321
Volume18Issue:1Pages:111-125
SubtypeArticle
Contribution Rank1
AbstractCharacterizing soil particle-size distribution is a key measure towards soil property. The purpose of this study was to evaluate the multifractal characteristics of soil particle-size distribution among different land-use from a purple soil catchment and to generalize the spatial variation trend of multifractal parameters across the catchment. A total of 84 soil samples were collected from four kinds of land use patterns (dry land, orchard, paddy, and forest) in an agricultural catchment in the Three Gorges Reservoir Region, China. The multifractal analysis method was applied to quantitatively characterize the soil particle size distribution. Six soil particle size distribution (PSD) multifractal parameters (D(0), D(1), D(2), Delta alpha(q), Delta f[alpha(q)], alpha(0)) were computed. Additionally, a geostatistical analysis was employed to reveal the spatial differentiation and map the spatial distribution of these parameters. Evident multifractal characteristics were found. The trend of generalized dimension spectrum of four land use patterns was basically consistent with the range of 0.8 to 2.0. However, orchard showed the largest monotonic decline, while the forest demonstrated the smallest decrease. D(0) of the four land use patterns were ranked as: dry land < orchard < forest < paddy, the order of D(1) was: dry land < paddy < orchard < forest, D(2) presented a rand-size relationship as dry land < forest < paddy < orchard. Furthermore, all land-use patterns presented as Delta f[alpha(q)] < 0. The rand-size relationship of alpha(0) was same as D(0). The best-fitting model for D(0), D(1), D(2) and Delta f[alpha(q)] was spherical model, for Delta alpha(q) was gaussian model, and for alpha(0) was exponential model with structure variance ratio was 1.03%, 49.83%, 0.84%, 1.48%, 22.20% and 10.60%, respectively. The results showed that soil particles of each land use pattern were distributed unevenly. The multifractal parameters under different land use have significant differences, except for Delta alpha(q). Differences in the composition of soil particles lead to differences in the multifractal properties even though they belong to the same soil texture. Farming behavior may refine particles and enhance the heterogeneity of soil particle distribution. Our results provide an effective reference for quantifying the impact of human activities on soil system in the Three Gorges Reservoir region.
KeywordLand use patterns Purple soil Multifractal characteristics Particle size distribution Geostatistics Spatial variability
DOI10.1007/s11629-020-6112-5
Indexed BySCI
WOS KeywordMULTI-FRACTAL THEORY ; GEOSTATISTICS ; FEATURES ; RIVER ; AREA
Language英语
WOS Research AreaEnvironmental Sciences & Ecology
WOS SubjectEnvironmental Sciences
WOS IDWOS:000607413000008
PublisherSCIENCE PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/55187
Collection山地表生过程与生态调控重点实验室
科技与合作处
Corresponding AuthorYan, Dong-chun
Affiliation1.Chinese Acad Sci, Inst Mt Hazards & Environm, Key Lab Mt Surface Proc & Ecol Regulat, Chengdu 610041, Peoples R China
2.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Sichuan Water Conservancy Vocat Coll, Dept Resources & Environm Engn, Chengdu 611231, 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
Chen, Tai-li,Shi, Zhong-lin,Wen, An-bang,et al. Multifractal characteristics and spatial variability of soil particle-size distribution in different land use patterns in a small catchment of the Three Gorges Reservoir Region, China[J]. JOURNAL OF MOUNTAIN SCIENCE,2021,18(1):111-125.
APA Chen, Tai-li.,Shi, Zhong-lin.,Wen, An-bang.,Yan, Dong-chun.,Guo, Jin.,...&Chen, Rui-yin.(2021).Multifractal characteristics and spatial variability of soil particle-size distribution in different land use patterns in a small catchment of the Three Gorges Reservoir Region, China.JOURNAL OF MOUNTAIN SCIENCE,18(1),111-125.
MLA Chen, Tai-li,et al."Multifractal characteristics and spatial variability of soil particle-size distribution in different land use patterns in a small catchment of the Three Gorges Reservoir Region, China".JOURNAL OF MOUNTAIN SCIENCE 18.1(2021):111-125.
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