Arid
DOI10.1016/j.atmosenv.2021.118768
Modeling for the source apportionments of PM10 during sand and dust storms over East Asia in 2020
Wang, Jikang; Gui, Hailin; An, Linchang; Hua, Cong; Zhang, Tianhang; Zhang, Bihui
通讯作者Wang, JK ; Zhang, BH (corresponding author), China Meteorol Adm, Natl Meteorol Ctr, Beijing 100081, Peoples R China.
来源期刊ATMOSPHERIC ENVIRONMENT
ISSN1352-2310
EISSN1873-2844
出版年2021
卷号267
英文摘要Sand and dust storms occur frequently in East Asia, and the dust particles could be transported to most areas of East Asia. To quantify the dust emissions in 18 dust source regions in China and Mongolia and their contributions to PM10 concentrations over East Asia, 10 sand and dust storms (SDSs) episodes in 2020 were simulated using the Comprehensive Air Quality Model with Extensions (CAMx). A dust emission scheme and a tagged method were incorporated. The model well captured the variations of PM10 concentrations during the SDSs episodes. The Gobi deserts in Mongolia were the most important sources of sand and dust in East Asia, with the highest dust emissions, contributing more than 60% to the PM10 concentrations over East-Central China, Japan, and South Korea. The dust emission from Inner Mongolia was about 1/3 of that in Mongolia, and contributed 20-30% to PM10 concentrations over East-Central China, Japan, and South Korea. However, more than 50% of the PM10 concentrations in Inner Mongolia originated from Mongolia in the SDSs events. Few dust aerosols from Taklimakan and Eastern Xinjiang could be transported to the areas further than its surrounding area. Because of the larger contribution of Mongolia to Northern China, the variation of the dust storm frequency in Northern China correlated well with the surface conditions in Mongolia. Anthropogenic emissions contributed less than 5% to the PM10 concentrations over most part of East Asia during the SDSs events.
英文关键词Sand and Dust Storms Source-apportionment Tagged method East Asia
类型Article
语种英语
收录类别SCI-E
WOS记录号WOS:000709713300002
WOS关键词LONG-RANGE TRANSPORT ; TAKLIMAKAN DESERT ; NORTHERN CHINA ; INNER-MONGOLIA ; EVENTS ; CLIMATE ; EMISSIONS ; REGIONS ; VARIABILITY ; AEROSOLS
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/368113
作者单位[Wang, Jikang; Gui, Hailin; An, Linchang; Hua, Cong; Zhang, Tianhang; Zhang, Bihui] China Meteorol Adm, Natl Meteorol Ctr, Beijing 100081, Peoples R China
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GB/T 7714
Wang, Jikang,Gui, Hailin,An, Linchang,et al. Modeling for the source apportionments of PM10 during sand and dust storms over East Asia in 2020[J],2021,267.
APA Wang, Jikang,Gui, Hailin,An, Linchang,Hua, Cong,Zhang, Tianhang,&Zhang, Bihui.(2021).Modeling for the source apportionments of PM10 during sand and dust storms over East Asia in 2020.ATMOSPHERIC ENVIRONMENT,267.
MLA Wang, Jikang,et al."Modeling for the source apportionments of PM10 during sand and dust storms over East Asia in 2020".ATMOSPHERIC ENVIRONMENT 267(2021).
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