Arid
DOI10.1007/s11869-014-0297-0
Temporal change of PM10 and its mass fraction during a dust storm in September 2009 in Australia
Aryal, Rupak1; Beecham, Simon1; Kamruzzaman, Mohammad1; Conner, Samantha2; Lee, Byeong-Kyu3
通讯作者Aryal, Rupak
来源期刊AIR QUALITY ATMOSPHERE AND HEALTH
ISSN1873-9318
EISSN1873-9326
出版年2015
卷号8期号:5页码:483-494
英文摘要

Frequent dust storms are a major concern in Australia due to associated human health risks and potential economic losses. From 23 to 24 September 2009, a dust storm passed over many east coast regions of Australia. This blanketed them with dust and reduced the visibility to a few hundred meters for several hours. The respirable particulate matter less than 10 mu m (PM10) was monitored at 22 locations across New South Wales (NSW) by the Environmental Protection Agency. In addition, samples were collected in Sydney using a nine-stage cascade impactor both during and after the dust storm. The PM10 concentration over most of NSW jumped from less than 50 mu g/m(3) to more than 10,000 mu g/m(3) within a couple of hours and then dropped again to more normal levels (< 50 mu g/m(3)). The normal bimodal particle size distribution was observed to change to a multimodal distribution during a dust storm event. Also, the elemental ratio of Al to Si increased from 0.14 to 0.39 during the storm. An Al/Si ratio > 0.3 indicates that the dust originated from inland desert areas and indeed was closely matched to Lake Eyre Basin crustal element data indicating it had travelled from central Australia to the eastern coasts.


英文关键词PM10 Dust storm Particle size distribution Mineralogical content
类型Article
语种英语
国家Australia ; South Korea
收录类别SCI-E
WOS记录号WOS:000361444000005
WOS关键词AIR-POLLUTION ; DAILY MORTALITY ; TRACE-METALS ; AMBIENT AIR ; SIZE DISTRIBUTIONS ; PARTICULATE MATTER ; URBAN AEROSOL ; IMPACT ; CARBON ; AREA
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/2XILL650/185662
作者单位1.Univ S Australia, Sch Nat & Built Environm, Ctr Water Management & Reuse, Mawson Lakes, SA 5095, Australia;
2.Bur Meteorol, Kent Town, SA 5067, Australia;
3.Univ Ulsan, Sch Civil Engn, Ulsan 680749, South Korea
推荐引用方式
GB/T 7714
Aryal, Rupak,Beecham, Simon,Kamruzzaman, Mohammad,et al. Temporal change of PM10 and its mass fraction during a dust storm in September 2009 in Australia[J],2015,8(5):483-494.
APA Aryal, Rupak,Beecham, Simon,Kamruzzaman, Mohammad,Conner, Samantha,&Lee, Byeong-Kyu.(2015).Temporal change of PM10 and its mass fraction during a dust storm in September 2009 in Australia.AIR QUALITY ATMOSPHERE AND HEALTH,8(5),483-494.
MLA Aryal, Rupak,et al."Temporal change of PM10 and its mass fraction during a dust storm in September 2009 in Australia".AIR QUALITY ATMOSPHERE AND HEALTH 8.5(2015):483-494.
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