Arid
DOI10.1080/15324982.2015.1053630
Spatial distribution of dust deposition during dust storms in Cele Oasis, on the southern margin of the Tarim Basin
Xu, Lishuai1,2,3; Mu, Guijin1,3; Ren, Xiao1,2,3; Sun, Lin1,2,3; Lin, Yongchong1,2,3; Wan, Dejun4
通讯作者Mu, Guijin
来源期刊ARID LAND RESEARCH AND MANAGEMENT
ISSN1532-4982
EISSN1532-4990
出版年2016
卷号30期号:1页码:25-36
英文摘要

The Cele Oasis, located in the southern margin of the Tarim Basin and in the northern foot plain of the Kunlun Mountains, has suffered serious dust storm disasters. To identify the spatial distribution of dust deposition in the oasis, dust samples were collected at eight sites using passive dry samplers, and dust deposition rates and particle sizes were measured. Results indicated that with wind blowing in a single direction, dust deposition rates increased windward from the outside of the oasis to the margin, and decreased gradually leeward; with wind blowing in a single directions, the windward margins had higher deposition rates than the other regions. Fine particles of <70 mu m were deposited preferentially inside the oasis, where the mean grain size is larger than outside the oasis. The oasis protection system at the margin had a mechanical obstruction effect extending about 2km from the oasis edge to its exterior, enhancing dust deposition through reducing wind speed. The wind speed recovery, due to the decrease in roughness on the leeward side of the oasis, suppressed deposition of fine particles, resulting in minimum deposition rates and larger mean grain sizes on that side. Although a small amount of harmful dust (such as PM2.5 and PM10) was deposited during the dust storms, these particles are thought remain in the environment for long periods and prove harmful to human health.


英文关键词oasis particle size Tarim Basin Dust deposition
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000370978400002
WOS关键词AEROSOL DRY DEPOSITION ; TAKLIMAKAN DESERT ; AEOLIAN DUST ; VEGETATIVE CANOPIES ; SIZE-DISTRIBUTION ; NORTHERN CHINA ; MINERAL DUST ; TRANSPORT ; LOESS ; REGIONS
WOS类目Environmental Sciences ; Soil Science
WOS研究方向Environmental Sciences & Ecology ; Agriculture
来源机构中国科学院新疆生态与地理研究所
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/191504
作者单位1.Chinese Acad Sci, Xinjiang Inst Ecol & Geog, Beijing Rd 818, Urumqi 830011, Peoples R China;
2.Univ Chinese Acad Sci, Beijing, Peoples R China;
3.Cele Natl Stn Observat & Res Desert Grassland Eco, Cele, Peoples R China;
4.Chinese Acad Geol Sci, Inst Hydrogeol & Environm Geol, Shijiazhuang, Peoples R China
推荐引用方式
GB/T 7714
Xu, Lishuai,Mu, Guijin,Ren, Xiao,et al. Spatial distribution of dust deposition during dust storms in Cele Oasis, on the southern margin of the Tarim Basin[J]. 中国科学院新疆生态与地理研究所,2016,30(1):25-36.
APA Xu, Lishuai,Mu, Guijin,Ren, Xiao,Sun, Lin,Lin, Yongchong,&Wan, Dejun.(2016).Spatial distribution of dust deposition during dust storms in Cele Oasis, on the southern margin of the Tarim Basin.ARID LAND RESEARCH AND MANAGEMENT,30(1),25-36.
MLA Xu, Lishuai,et al."Spatial distribution of dust deposition during dust storms in Cele Oasis, on the southern margin of the Tarim Basin".ARID LAND RESEARCH AND MANAGEMENT 30.1(2016):25-36.
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