干旱区生态环境知识资源中心(Arid): Fractal Characteristics of the Particle Size Distribution of Soil along an Urban-Suburban-Rural-Desert Gradient

Arid

DOI	10.3390/land12122120
	Fractal Characteristics of the Particle Size Distribution of Soil along an Urban-Suburban-Rural-Desert Gradient
	Wang, Ning; Eziz, Mamattursun; Mao, Donglei; Sidekjan, Nazupar
通讯作者	Eziz, M
来源期刊	LAND
EISSN	2073-445X
出版年	2023
卷号	12 期号:12
英文摘要	In order to investigate the difference in particle size distribution of soil along an urban-suburban-rural-desert (USRD) gradient in an arid zone, surface soil (0-20 cm) samples were gathered at the urban, suburban, rural, and desert gradients in Urumqi, a northwestern Chinese city. Laser diffraction technology was adopted for determining the particle size distribution of the soil. Comparisons were made regarding the particle size distribution traits and soil properties in different gradient zones based on parameters such as the mean particle size (M-G), fractal dimension (D-v), sorting coefficient (o(G)), kurtosis (K-G), and skewness (SKG). Results indicate that (1) particle size distribution in the urban, suburban, and rural soils was mainly sand particle sizes, whereas the desert soil was mainly composed of silt particle sizes. The average D-v value ranking for soil in each gradient is desert > suburban > urban > rural. (2) The width and peak of the soil particle size frequency curve ranged within 0-500 mu m, and the width and peak of the soil particle size frequency curve of each gradient were different. (3) The M-G of rural soil was the highest, whereas the M-G of desert soil was the lowest. The o(G) values of the surface soil of each gradient were all greater than 4.0, and the sorting performance was extremely poor. The SKG of the desert and urban soil particle size showed extremely positive and negative skewness, respectively, while the SKG of the rural and suburban soil particle size showed extremely negative skewness. The K-G values of the particle sizes of the rural and suburban soils exhibited narrow and medium peaks, whereas those of the urban and desert soils exhibited very broad and flat peaks. (4) The D-v of the soil in each gradient was strongly influenced by the soil particle size distribution, with the clay content of the soil playing a dominant role. Finally, the fractal dimension was identified as an indicator of the characteristics of the fine particle matter content in the soil structure. The novel contribution of this work is to clarify the fractal differences in the particle size distribution of soil along an urbanization gradient. The present research findings can offer fundamental information relating to the characteristics of soil particle size distribution along an urbanization gradient zone.
英文关键词	soil particle size distribution gradient fractal dimension
类型	Article
语种	英语
开放获取类型	gold
收录类别	SSCI
WOS记录号	WOS:001131956200001
WOS关键词	SPATIAL VARIABILITY ; LAND ; RESERVOIR ; FEATURES ; REGION ; PLANTS ; AREA
WOS类目	Environmental Studies
WOS研究方向	Environmental Sciences & Ecology
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/397716
推荐引用方式 GB/T 7714	Wang, Ning,Eziz, Mamattursun,Mao, Donglei,et al. Fractal Characteristics of the Particle Size Distribution of Soil along an Urban-Suburban-Rural-Desert Gradient[J],2023,12(12).
APA	Wang, Ning,Eziz, Mamattursun,Mao, Donglei,&Sidekjan, Nazupar.(2023).Fractal Characteristics of the Particle Size Distribution of Soil along an Urban-Suburban-Rural-Desert Gradient.LAND,12(12).
MLA	Wang, Ning,et al."Fractal Characteristics of the Particle Size Distribution of Soil along an Urban-Suburban-Rural-Desert Gradient".LAND 12.12(2023).