气候变化领域集成服务门户(CCPortal): Full particle size distribution characteristics of land surface sediment and their effect on wind erosion resistance in arid and semiarid regions of Northwest China

CCPortal

DOI	10.1016/j.geomorph.2020.107458
	Full particle size distribution characteristics of land surface sediment and their effect on wind erosion resistance in arid and semiarid regions of Northwest China
	Wang, Haibing; Zuo, Hejun; Jia, Xiaopeng; Li, Kuan; Yan, Min
通讯作者	Wang, HB (通讯作者)，Inner Mongolia Agr Univ, Coll Desert Control Sci & Engn, Key Lab Eolian Phys & Desertificat Control Engn, 29 Erdos East St, Hohhot 010018, Inner Mongolia, Peoples R China.
发表日期	2021
ISSN	0169-555X
EISSN	1872-695X
卷号	372
英文摘要	Particle size distribution (PSD) is one of the fundamental physical properties of clastic sediment. Although many mathematical models have been proposed to describe the PSD of sediment, the physical meaning behind model parameter characterization remains poorly understood, which means it is seldom used in studies of the environment, geomorphologic evolution, and related surface wind-sand processes in arid areas. In this study, based on the Li model of the PSD of sediment, the parameters of sediment obtained from different landscapes in Northwest China were investigated and their relationship with the resistance of sediment to wind erosion was analyzed. Results showed that the full PSD parameters (mu and Dc) of the Li model not only revealed the full PSD of the surface sediment of the various landscapes, but also reflected the differences in sediment structure. The full PSD parameters of fine silty, sandy, and sandy gravel surface sediment were -0.2 < mu < 0 and Dc < 0.08,-0.2 < mu < 0 and 0.08 <= Dc <= 0.2, and mu < 0 and Dc > 0.2, respectively. Parameter Dc not only represents the mean particle size of sediment, but it also indicates the degree of sorting, that is, it has a positive linear correlation with the component content of coarser particles in the sediment structure. Results also showed that vegetation cover markedly enhances surface resistance to wind erosion. Under different vegetation cover scenarios, the resistance of sandy and sandy gravel surfaces to wind erosion increased as the Dc value increased. (C) 2020 Elsevier B.V. All rights reserved.
关键词	GRAIN-SIZE NORTHERN CHINA SOIL TEXTURE ASIAN DUST TRANSPORT MEDIA SAND
英文关键词	Eolian sediment; Full particle size parameters; Resistance to wind erosion; Arid and semiarid regions
语种	英语
WOS研究方向	Physical Geography ; Geology
WOS类目	Geography, Physical ; Geosciences, Multidisciplinary
WOS记录号	WOS:000589918100002
来源期刊	GEOMORPHOLOGY
来源机构	中国科学院西北生态环境资源研究院
文献类型	期刊论文
条目标识符	http://gcip.llas.ac.cn/handle/2XKMVOVA/254733
作者单位	[Wang, Haibing; Zuo, Hejun; Yan, Min] Inner Mongolia Agr Univ, Coll Desert Control Sci & Engn, Key Lab Eolian Phys & Desertificat Control Engn, 29 Erdos East St, Hohhot 010018, Inner Mongolia, Peoples R China; [Jia, Xiaopeng] Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, Key Lab Desert & Desertificat, 260 Donggang West Rd, Lanzhou 730000, Gansu, Peoples R China; [Li, Kuan] Inner Mongolia Autonomous Reg Land Invest & Plann, Land Survey & Remote Sensing Ctr, 11 Xueyuan East Rd, Hohhot 010018, Inner Mongolia, Peoples R China
推荐引用方式 GB/T 7714	Wang, Haibing,Zuo, Hejun,Jia, Xiaopeng,et al. Full particle size distribution characteristics of land surface sediment and their effect on wind erosion resistance in arid and semiarid regions of Northwest China[J]. 中国科学院西北生态环境资源研究院,2021,372.
APA	Wang, Haibing,Zuo, Hejun,Jia, Xiaopeng,Li, Kuan,&Yan, Min.(2021).Full particle size distribution characteristics of land surface sediment and their effect on wind erosion resistance in arid and semiarid regions of Northwest China.GEOMORPHOLOGY,372.
MLA	Wang, Haibing,et al."Full particle size distribution characteristics of land surface sediment and their effect on wind erosion resistance in arid and semiarid regions of Northwest China".GEOMORPHOLOGY 372(2021).