中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
Aeolian process of the dried-up riverbeds of the Hexi Corridor, China: a wind tunnel experiment

文献类型:期刊论文

作者Zhang, Caixia1; Wang, Xunming1,2; Dong, Zhibao1; Hua, Ting1
刊名ENVIRONMENTAL MONITORING AND ASSESSMENT
出版日期2017-08-01
卷号189期号:8页码:11
关键词Aeolian process Dried-up riverbeds Wind tunnel Hexi Corridor
ISSN号0167-6369
DOI10.1007/s10661-017-6132-y
通讯作者Zhang, Caixia(zhangcaixia@lzb.ac.cn)
英文摘要Wind tunnel studies, which remain limited, are an important tool to understand the aeolian processes of dried-up riverbeds. The particle size, chemical composition, and the mineral contents of sediments arising from the dried river beds are poorly understood. Dried-up riverbeds cover a wide area in the Hexi Corridor, China, and comprise a complex synthesis of different land surfaces, including aeolian deposits, pavement surfaces, and Takyr crust. The results of the present wind tunnel experiment suggest that aeolian transport from the dried-up riverbeds of the Hexi Corridor ranges from 0 to 177.04 g/m(2)/min and that dry riverbeds could be one of the main sources of dust emissions in this region. As soon as the wind velocity reaches 16 m/s and assuming that there are abundant source materials available, aeolian transport intensity increases rapidly. The dried-up riverbed sediment and the associated aeolian transported material were composed mainly of fine and medium sands. However, the transported samples were coarser than the bed samples, because of the sorting effect of the aeolian processes on the sediment. The aeolian processes also led to regional elemental migration and mineral composition variations.
WOS关键词DUST EMISSION ; CLIMATE CHANGES ; AGRICULTURAL SOILS ; MAJOR SOURCE ; THAR DESERT ; ASIAN DUST ; WEST CHINA ; STORMS ; BASIN ; GEOCHEMISTRY
资助项目National Nature Science Foundation of China[41101006]
WOS研究方向Environmental Sciences & Ecology
语种英语
WOS记录号WOS:000410241300023
出版者SPRINGER
资助机构National Nature Science Foundation of China
源URL[http://ir.igsnrr.ac.cn/handle/311030/61754]  
专题中国科学院地理科学与资源研究所
通讯作者Zhang, Caixia
作者单位1.Chinese Acad Sci, Key Lab Desert & Desertificat, Cold & Arid Reg Environm & Engn Res Inst, 320 West Donggang Rd, Lanzhou 730000, Gansu, Peoples R China
2.Chinese Acad Sci, Key Lab Water Cycle & Related Land Surface Proc, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China
推荐引用方式
GB/T 7714
Zhang, Caixia,Wang, Xunming,Dong, Zhibao,et al. Aeolian process of the dried-up riverbeds of the Hexi Corridor, China: a wind tunnel experiment[J]. ENVIRONMENTAL MONITORING AND ASSESSMENT,2017,189(8):11.
APA Zhang, Caixia,Wang, Xunming,Dong, Zhibao,&Hua, Ting.(2017).Aeolian process of the dried-up riverbeds of the Hexi Corridor, China: a wind tunnel experiment.ENVIRONMENTAL MONITORING AND ASSESSMENT,189(8),11.
MLA Zhang, Caixia,et al."Aeolian process of the dried-up riverbeds of the Hexi Corridor, China: a wind tunnel experiment".ENVIRONMENTAL MONITORING AND ASSESSMENT 189.8(2017):11.

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来源:地理科学与资源研究所

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