Arid
DOI10.1016/j.catena.2017.12.009
Magnetic susceptibility characteristics of surface soils in the Xilingele grassland and their implication for soil redistribution in wind-dominated landscapes: A preliminary study
Liu, Liang1,2; Zhang, Zhuodong2; Zhang, Keli2; Liu, Hongyuan2,3; Fu, Suhua4,5,6
通讯作者Zhang, Keli
来源期刊CATENA
ISSN0341-8162
EISSN1872-6887
出版年2018
卷号163页码:33-41
英文摘要

Wind 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.


英文关键词Magnetic susceptibility technique Wind erosion Grazing intensity Soil grain size Temperate grassland
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000427332000004
WOS关键词PARTICLE-SIZE ; INNER-MONGOLIA ; DUST STORMS ; EROSION ; CS-137 ; TOPOGRAPHY ; RATES ; PATTERNS ; TEXTURE ; TOPSOIL
WOS类目Geosciences, Multidisciplinary ; Soil Science ; Water Resources
WOS研究方向Geology ; Agriculture ; Water Resources
来源机构北京师范大学 ; 西北农林科技大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/208330
作者单位1.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
推荐引用方式
GB/T 7714
Liu, Liang,Zhang, Zhuodong,Zhang, Keli,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]. 北京师范大学, 西北农林科技大学,2018,163:33-41.
APA Liu, Liang,Zhang, Zhuodong,Zhang, Keli,Liu, Hongyuan,&Fu, Suhua.(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 Liu, Liang,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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