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The effects of sorting by aeolian processes on the geochemical characteristics of surface materials: a wind tunnel experiment
Wang, Xunming1,2; Lang, Lili1; Hua, Ting2; Zhang, Caixia2; Li, Hui2
2018-03-01
Source PublicationFRONTIERS OF EARTH SCIENCE
ISSN2095-0195
Volume12Issue:1Pages:86-94
Corresponding AuthorWang, Xunming(xunming@igsnrr.ac.cn)
AbstractThe geochemical characteristics of aeolian and surface materials in potential source areas of dust are frequently employed in environmental reconstructions as proxies of past climate and as source tracers of aeolian sediments deposited in downwind areas. However, variations in the geochemical characteristics of these aeolian deposits that result from near-surface winds are currently poorly understood. In this study, we collected surface samples from the Ala Shan Plateau (a major potential dust source area in Central Asia) to determine the influence of aeolian processes on the geochemical characteristics of aeolian transported materials. Correlation analyses show that compared with surface materials, the elements in transported materials (e.g., Cu, As, Pb, Mn, Zn, Al, Ca, Fe, Ga, K, Mg, P, Rb, Co, Cr, Na, Nb, Si, and Zr) were subjected to significant sorting by aeolian processes, and the sorting also varied among different particle size fractions and elements. Variations in wind velocity were significantly correlated with the contents of Cr, Ga, Sr, Ca, Y, Nd, Zr, Nb, Ba, and Al, and with the Zr/Al, Zr/Rb, K/Ca, Sr/Ca, Rb/Sr, and Ca/Al ratios. Given the great variation in the geochemical characteristics of materials transported under different aeolian processes relative to those of the source materials, these results indicate that considerable uncertainty may be introduced to analyses by using surface materials to trace the potential source areas of aeolian deposits that accumulate in downwind areas.
Keywordaeolian process transported material geochemistry
DOI10.1007/s11707-017-0619-2
WOS KeywordCHINESE LOESS PLATEAU ; TIBETAN PLATEAU ; ASIAN DUST ; ISOTOPIC CHARACTERISTICS ; EOLIAN DEPOSITS ; TRACE-ELEMENTS ; MONSOON ; DESERT ; PROVENANCE ; VARIABILITY
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program of China[2016YFA0601900] ; National Natural Science Foundation of China[41225001] ; National Natural Science Foundation of China[41401005] ; Foundation of the Director of the Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences
Funding OrganizationNational Key Research and Development Program of China ; National Natural Science Foundation of China ; Foundation of the Director of the Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences
WOS Research AreaGeology
WOS SubjectGeosciences, Multidisciplinary
WOS IDWOS:000425157200008
PublisherSPRINGER
Citation statistics
Document Type期刊论文
Identifierhttp://ir.igsnrr.ac.cn/handle/311030/56999
Collection中国科学院地理科学与资源研究所
Corresponding AuthorWang, Xunming
Affiliation1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Key Lab Water Cycle & Related Land Surface Proc, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Cold & Arid Reg Environm Engn Res Inst, Key Lab Desert & Desertificat, Lanzhou 730000, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Wang, Xunming,Lang, Lili,Hua, Ting,et al. The effects of sorting by aeolian processes on the geochemical characteristics of surface materials: a wind tunnel experiment[J]. FRONTIERS OF EARTH SCIENCE,2018,12(1):86-94.
APA Wang, Xunming,Lang, Lili,Hua, Ting,Zhang, Caixia,&Li, Hui.(2018).The effects of sorting by aeolian processes on the geochemical characteristics of surface materials: a wind tunnel experiment.FRONTIERS OF EARTH SCIENCE,12(1),86-94.
MLA Wang, Xunming,et al."The effects of sorting by aeolian processes on the geochemical characteristics of surface materials: a wind tunnel experiment".FRONTIERS OF EARTH SCIENCE 12.1(2018):86-94.
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