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Magnetic susceptibility characteristics of surface soils in the Xilingele grassland and their implication for soil redistribution in wind-dominated landscapes: A preliminary study
Liang Liu1,2; Zhuodong Zhang2; Keli Zhang2; Hongyuan Liu2,3; Suhua Fu4,5; Zhang, KL (reprint author), Beijing Normal Univ, Fac Geog Sci, Sch Geog, State Key Lab Earth Surface Proc & Resource Ecol, Xinjiekouwai Str 19, Beijing 100875, Peoples R China.
SubtypeArticle
2018
Source PublicationCATENA
ISSN0341-8162
description.correspondentemailkeli@bnu.edu.cn
Volume163Pages:33-41
AbstractWind erosion processes in the typical temperate Xilingele grassland of North China result in significant regional surface soil fine particle and carbon loss. They increasingly restrict local grass industry sustainable production and grassland ecosystem protection. It is challenging to link wind erosion and deposition at landscape scale using classical field monitoring or the expensive fallout environmental radionuclides tracing techniques. The low-cost but efficient magnetic susceptibility (MS) technique has been successfully demonstrated to have great potential to trace soil water erosion processes and patterns at large spatial and temporal scales. However, so far soil wind erosion research using MS technique has not been reported. This study had a trial to determine the variations of soil magnetic susceptibility on relative flat grassland by a grid soil sampling and to establish the relationship between wind erosion parameters and variations of MS in surface soils. 160 grid sampling sites were spaced at an interval of 400 m across a study transect with 12.8 km long and 1.6 km wide. 319 soil samples were collected from the surface soils (0-1 cm and 1-6 cm layers). Grazing intensity of the sampling sites were investigated, and the samples were measured for mass-specific low-frequency magnetic susceptibility (chi(lf)), absolute frequency dependent magnetic susceptibility (chi(fd)), percentage frequency-dependent magnetic susceptibility (chi(fd)%), soil grain size and organic carbon concentrations. The results showed that the chi(lf), chi(fd) and chi(fd)% values in surface soils ranged from 30.0 to 97.8 x 10(-8) m(3) kg(-1), 1.2 to 6.1 x 10(-8) m(3) kg(-1) and from 3.2 to 8.0%, respectively. The variations of soil chi(lf) values were closely related to grazing intensity, soil grain size and organic carbon concentrations, suggesting that soil erosion processes were very sensitive to soil properties. Moreover, the MS parameters (chi(lf), chi(fd)%) were positively correlated with the soil erosion rates and negatively correlated with the dust deposition rates, indicating that MS parameters could potentially identify the erosion and dust deposition stages of wind dominated erosion processes in semi-arid grassland, respectively. These preliminary experimental results implied that magnetic susceptibility signals in surface soils will hopefully serve as a useful tool in the accuracy assessment of wind dominated erosion and deposition in the temperate grassland regions.
KeywordMagnetic Susceptibility Technique Wind Erosion Grazing Intensity Soil Grain Size Temperate Grassland
Subject AreaGeology ; Agriculture ; Water Resources
DOI10.1016/j.catena.2017.12.009
Indexed BySCI
Publication PlacePO BOX 211, 1000 AE AMSTERDAM, NETHERLANDS
Language英语
WOS IDWOS:000427332000004
PublisherELSEVIER SCIENCE BV
Funding OrganizationNational Natural Science Foundation of China [41301282, 41730748] ; National Natural Science Foundation of China [41301282, 41730748] ; Chinese Academy of Sciences (CAS) "Light of West China" Program ; Chinese Academy of Sciences (CAS) "Light of West China" Program ; China Postdoctoral Science Foundation [2016 M602884] ; China Postdoctoral Science Foundation [2016 M602884]
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.iswc.ac.cn/handle/361005/8277
Collection水保所科研产出--SCI_2018--SCI
Corresponding AuthorZhang, KL (reprint author), Beijing Normal Univ, Fac Geog Sci, Sch Geog, State Key Lab Earth Surface Proc & Resource Ecol, Xinjiekouwai Str 19, Beijing 100875, Peoples R China.
Affiliation1.Northwest A&F Univ, Inst Soil & Water Conservat, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Shaanxi, Peoples R China
2.Beijing Normal Univ, Fac Geog Sci, State Key Lab Earth Surface Proc & Resource Ecol, Beijing 100875, Peoples R China
3.Chinese Acad Sci, Northeast Inst Geog & Agroecol, Key Lab Wetland Ecol & Environm, Changchun 130102, Jilin, Peoples R China
4.Chinese Acad Sci, State Key Lab Soil Eros & Dryland Farming Loess P, Yangling 712100, Peoples R China
5.Minist Water Resources, Yangling 712100, Peoples R China
6.Beijing Normal Univ, Fac Geog Sci, Beijing 100875, Peoples R China
Recommended Citation
GB/T 7714
Liang Liu,Zhuodong Zhang,Keli Zhang,et al. Magnetic susceptibility characteristics of surface soils in the Xilingele grassland and their implication for soil redistribution in wind-dominated landscapes: A preliminary study[J]. CATENA,2018,163:33-41.
APA Liang Liu,Zhuodong Zhang,Keli Zhang,Hongyuan Liu,Suhua Fu,&Zhang, KL .(2018).Magnetic susceptibility characteristics of surface soils in the Xilingele grassland and their implication for soil redistribution in wind-dominated landscapes: A preliminary study.CATENA,163,33-41.
MLA Liang Liu,et al."Magnetic susceptibility characteristics of surface soils in the Xilingele grassland and their implication for soil redistribution in wind-dominated landscapes: A preliminary study".CATENA 163(2018):33-41.
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