干旱区生态环境知识资源中心(Arid): Meteorological feedback and eco-environmental impact of Asian dust: A simulation study

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DOI	10.1016/j.atmosenv.2021.118350
	Meteorological feedback and eco-environmental impact of Asian dust: A simulation study
	Yang, Shishi; Wang, Zilin; Huang, Xin; Wang, Wencai; Sheng, Lifang; Zhou, Yang
通讯作者	Zhou, Y (corresponding author), Ocean Univ China, Coll Ocean & Atmospher Sci, Qingdao, Peoples R China. ; Huang, X (corresponding author), Nanjing Univ, Sch Atmospher Sci, Nanjing, Peoples R China.
来源期刊	ATMOSPHERIC ENVIRONMENT
ISSN	1352-2310
EISSN	1873-2844
出版年	2021
卷号	253
英文摘要	Wind-blown dust plays a crucial role in air quality, biogeochemical cycles, and climate change. In East Asia, one of the main dust source regions in the world, dust storms frequently engulf eastern China, with a substantial negative effect on air pollution and the ecological environment. By integrating multiple observations and the online coupled meteorology-chemistry model WRF-Chem, a severe dust storm event originating from the Gobi Desert in early May 2017 is comprehensively analyzed from the perspective of emission estimation, meteorological feedback, and the possible impact on the ecological environment. We optimize the size distribution of dust aerosol by applying local observations to better represent dust emission and regional transport in the model. Both the observations and simulations indicate that the dust storm broke out with PM10 concentrations exceeding 1500 ?g/m3 in the source region of the Gobi Desert, and was quickly transported downwind, deteriorating the air quality of cities in northern and eastern China. Moreover, we find that the dust storm significantly perturbed the temperature stratification, since mineral dust is a radiatively active aerosol and can absorb both short- and longwave radiation. The upper dust layer at an altitude of around 2?3 km became warmer by 1?2 ?C while the surface temperature decreased by about 2 ?C, making the planetary boundary layer more stable and indirectly aggravating local air pollution near the ground in eastern China. Furthermore, during this event, a large amount of dust deposition increased ocean primary productivity, with the maximum Chlorophyll-a concentration rising from 4 to 14 mg/m3 in the central area of the Yellow Sea. This study highlights the critical impact of Asian dust pollution on air quality and marine ecosystems in downwind areas.
英文关键词	Asian dust WRF-Chem Dust size distribution Phytoplankton growth
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000640899300001
WOS关键词	CHLOROPHYLL-A CONCENTRATION ; MINERAL DUST ; YELLOW SEA ; TRANSPORT ; DEPOSITION ; CLIMATE ; CHINA ; DISTRIBUTIONS ; POLLUTION ; EMISSION
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
来源机构	南京大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/349641
作者单位	[Yang, Shishi; Wang, Wencai; Sheng, Lifang; Zhou, Yang] Ocean Univ China, Coll Ocean & Atmospher Sci, Qingdao, Peoples R China; [Wang, Zilin; Huang, Xin] Nanjing Univ, Sch Atmospher Sci, Nanjing, Peoples R China
推荐引用方式 GB/T 7714	Yang, Shishi,Wang, Zilin,Huang, Xin,et al. Meteorological feedback and eco-environmental impact of Asian dust: A simulation study[J]. 南京大学,2021,253.
APA	Yang, Shishi,Wang, Zilin,Huang, Xin,Wang, Wencai,Sheng, Lifang,&Zhou, Yang.(2021).Meteorological feedback and eco-environmental impact of Asian dust: A simulation study.ATMOSPHERIC ENVIRONMENT,253.
MLA	Yang, Shishi,et al."Meteorological feedback and eco-environmental impact of Asian dust: A simulation study".ATMOSPHERIC ENVIRONMENT 253(2021).