Arid
DOI10.1016/S1001-0742(08)62427-4
Element and mineral characterization of dust emission from the saline land at Songnen Plain, Northeastern China
Chen Bing1,2,3; Kitagawa, Hiroyuki1; Hu Ke4; Jie Dongmei5; Yang Junpeng4; Li Jingmin1
通讯作者Chen Bing
来源期刊JOURNAL OF ENVIRONMENTAL SCIENCES
ISSN1001-0742
EISSN1878-7320
出版年2009
卷号21期号:10页码:1363-1370
英文摘要

Recent observations of Asian dust storms show an eastern expansion of the source area to degraded lands, where dust emissions have been little studied. The dust concentrations over the saline land of the western Songnen Plain (SSL), Northeastern China, are circumstantially higher than those from the northwestern Chinese deserts. These concentrations ate sensitive to the surface soil conditions and wind velocity on the ground. The dust samples collected during dust storm events on the SSL contain abundant Na, Mg, Al, K, Ca, Fe and Ti, as well as toxic elements such as Cu, V, Zn and Ba. Individual particle analysis reveals that fine saline particles (< 10 mu m in diameter) on the saline land, consisting largely of carbonate, halite and sulfate together with lithogenic minerals such as SiO2 and aluminosilicate, are eventually uplifted during the interval from spring to autumn. The predominantly fine saline particles uplifted from the SSL are likely transported eastward by the winter monsoon circulation and westerlies. Recent degradation of saline lands in Northeastern China would not only increase the frequency of dust storm events in the downwind area, but also might change the chemical composition of the Asian dust emissions.


英文关键词element geochemistry individual particle analysis Asian dust dust storm saline soil land degradation
类型Article
语种英语
国家Japan ; Peoples R China
收录类别SCI-E
WOS记录号WOS:000271049700007
WOS关键词X-RAY-MICROANALYSIS ; MARINE AEROSOLS ; INNER-MONGOLIA ; GRASSLAND ; WIND ; TRANSPORT ; POLLUTION ; PLATEAU ; SULFATE ; PM2.5
WOS类目Environmental Sciences
WOS研究方向Environmental Sciences & Ecology
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/161488
作者单位1.Nagoya Univ, Grad Sch Environm Studies, Dept Hydrospher Atmospher Sci, Nagoya, Aichi 4648601, Japan;
2.Chinese Acad Sci, Inst Urban Environm, Xiamen 361021, Peoples R China;
3.Jilin Univ, Coll Earth Sci, Changchun 130061, Peoples R China;
4.China Univ Geosci, Sch Marine Sci, Beijing 100038, Peoples R China;
5.NE Normal Univ, Coll Urban & Environm, Changchun 130024, Peoples R China
推荐引用方式
GB/T 7714
Chen Bing,Kitagawa, Hiroyuki,Hu Ke,et al. Element and mineral characterization of dust emission from the saline land at Songnen Plain, Northeastern China[J],2009,21(10):1363-1370.
APA Chen Bing,Kitagawa, Hiroyuki,Hu Ke,Jie Dongmei,Yang Junpeng,&Li Jingmin.(2009).Element and mineral characterization of dust emission from the saline land at Songnen Plain, Northeastern China.JOURNAL OF ENVIRONMENTAL SCIENCES,21(10),1363-1370.
MLA Chen Bing,et al."Element and mineral characterization of dust emission from the saline land at Songnen Plain, Northeastern China".JOURNAL OF ENVIRONMENTAL SCIENCES 21.10(2009):1363-1370.
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