The relationship between environmental factors and magnetic susceptibility in the Ili loess, Tianshan Mountains, Central Asia

doi:10.1002/gj.3182

IEECAS OpenIR > 古环境研究室

	The relationship between environmental factors and magnetic susceptibility in the Ili loess, Tianshan Mountains, Central Asia
	Zeng, Mengxiu 1; Song, Yougui2,4 ; Li, Yue 2; Fu, Chaofeng 3; Qiang, Xiaoke2 ; Chang, Hong2 ; Zhu, Lidong 1; Zhang, Zhiping 5; Cheng, Liangqing 2
通讯作者	Zeng, Mengxiu(mengxiuzeng@zjnu.edu.cn) ; Song, Yougui(ygsong@loess.llqg.ac.cn)
	2019-07-01
发表期刊	GEOLOGICAL JOURNAL
ISSN	0072-1050
卷号	54 期号:4 页码:1889-1901
摘要	The mechanisms of the magnetic susceptibility (MS) enhancement of loess from Arid Central Asia (ACA) have received much attention recently. Consensus varies about factors controlling the magnetic properties as well as the environmental implications, and much effort needs to be gone into how surface processes affect the MS. In this study, we collected 214 topsoil, near-surface loess, and fluvial sediment samples covering different elevations, climatic conditions, and vegetation from the Ili Valley in eastern ACA and analysed their magnetic properties and composition to investigate the factors influencing MS. Redundancy analysis (RDA) was employed to assess the relationship between environmental indicators and environmental factors. Our results show that (a) the concentration of pedogenic magnetic particles in the Ili loess and topsoils is limited. chi(lf) is higher in loess but lower in paleosol, mainly attributable to changes in wind intensity; (b) the mean chi(fd), chi(fd)%, and chi(lf) values of topsoil are lower in the desert steppe and forest-meadow zones, but highest in the montane steppe zone, and are not positively associated with vegetation coverage and the intensity of pedogenic processes; and (c) elevation exerts the most important impact on topsoil chi(fd) and chi(fd)%, while chi(lf) is influenced more by temperature than precipitation. (d) The magnetic enhancement could be mainly attributed to wind velocity; we also should consider elevation and other factors such as local material, climatic conditions, and distance to the dust source when interpreting the paleoclimatic or paleoenvironmental significance of magnetic parameters.
关键词	Arid Central Asia controlling factors elevation Ili loess magnetic susceptibility vegetation
DOI	10.1002/gj.3182
关键词[WOS]	LATE QUATERNARY LOESS ; ARID CENTRAL-ASIA ; CHINESE LOESS ; PALEOSOL SEQUENCES ; GRAIN-SIZE ; QUARTZ OSL ; BASIN ; CLIMATE ; XINJIANG ; RECORDS
收录类别	SCI ; SCI
语种	英语
资助项目	National Key Research and Development Program of China[2016YFA0601902] ; National Natural Science Foundation of China[41572162] ; Natural Science Foundation of Zhejiang Province, China[LQ18D020002] ; International Partnership Program of Chinese Academy of Sciences (CAS)[132B61KYS20160002] ; Special Exchange Program for Russia from CAS ; Special Exchange Program for Belarus from CAS ; Special Exchange Program for Ukraine from CAS
WOS研究方向	Geology
项目资助者	National Key Research and Development Program of China ; National Natural Science Foundation of China ; Natural Science Foundation of Zhejiang Province, China ; International Partnership Program of Chinese Academy of Sciences (CAS) ; Special Exchange Program for Russia from CAS ; Special Exchange Program for Belarus from CAS ; Special Exchange Program for Ukraine from CAS
WOS类目	Geosciences, Multidisciplinary
WOS记录号	WOS:000477016000005
出版者	WILEY
引用统计	被引频次：12[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.ieecas.cn/handle/361006/13384
专题	古环境研究室
通讯作者	Zeng, Mengxiu; Song, Yougui
作者单位	1.Zhejiang Normal Univ, Coll Geog & Environm Sci, Jinhua 321004, Zhejiang, Peoples R China 2.Chinese Acad Sci, Inst Earth Environm, State Key Lab Loess & Quaternary Geol, Xian, Shaanxi, Peoples R China 3.Changan Univ, Key Lab Western Mineral Resources & Geol Engn, Minist Educ China, Xian, Shaanxi, Peoples R China 4.CAS Res Ctr Ecol & Environm Cent Asia, Urumqi, Peoples R China 5.Environm Monitoring Stn Ili Kazakh Autonomous Pre, Yining, Peoples R China
推荐引用方式 GB/T 7714	Zeng, Mengxiu,Song, Yougui,Li, Yue,et al. The relationship between environmental factors and magnetic susceptibility in the Ili loess, Tianshan Mountains, Central Asia[J]. GEOLOGICAL JOURNAL,2019,54(4):1889-1901.
APA	Zeng, Mengxiu.,Song, Yougui.,Li, Yue.,Fu, Chaofeng.,Qiang, Xiaoke.,...&Cheng, Liangqing.(2019).The relationship between environmental factors and magnetic susceptibility in the Ili loess, Tianshan Mountains, Central Asia.GEOLOGICAL JOURNAL,54(4),1889-1901.
MLA	Zeng, Mengxiu,et al."The relationship between environmental factors and magnetic susceptibility in the Ili loess, Tianshan Mountains, Central Asia".GEOLOGICAL JOURNAL 54.4(2019):1889-1901.