干旱区生态环境知识资源中心(Arid): Distribution and transport characteristics of dust aerosol over Tibetan Plateau and Taklimakan Desert in China using MERRA-2 and CALIPSO data

Arid

DOI	10.1016/j.atmosenv.2020.117670
	Distribution and transport characteristics of dust aerosol over Tibetan Plateau and Taklimakan Desert in China using MERRA-2 and CALIPSO data
	Xu, Xiaofeng; Wu, Hao; Yang, Xiaoyue; Xie, Lifeng
通讯作者	Xu, XF
来源期刊	ATMOSPHERIC ENVIRONMENT
ISSN	1352-2310
EISSN	1873-2844
出版年	2020
卷号	237
英文摘要	The distribution and transportation characteristics of dust aerosol over the Tibetan Plateau (TP) and Taklimakan Desert (TD) were analyzed during 1980-2017 using MERRA-2 (second Modern-Era Retrospective analysis for Research and Applications) and CALIPSO (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations) products. The aerosol optical depth (AOD) of MERRA-2 were compared with those of AERONET (Aerosol Robotic Network) at six sites and the corresponding MISR (Multi-angle Imaging SpectroRadiometer) data. The correlation coefficients were 0.73-0.88 and 0.94, respectively. The yearly AOD over the IGP (Indo-Gangetic Plain) and the TD showed a significant increasing trend. The variations of seasonal AOD and dust AOD (DAOD) over the research region were similar, showing the values decreasing from north to south and the higher values appearing in spring and summer. The DAOD/AOD ratio exceeded 0.5 during March-August and throughout whole year in the north part of the TP and the TD, respectively. The duration, strength and area of the high DAOD region over the TD have enhanced during the past 38 years. From the CALIPSO observation, it showed the dust moving from the TD to the TP was mainly through the Qaidam Basin in the layer of 4-8 km aloft and could transport as south as 30.N, with the maximum lifting height in spring. In winter, the dust over TP was mainly from the Qaidam Basin due to the suppression effect of the inversion layer over the TD. The largest profile of dust extinction coefficient appeared in spring over the TD, while in summer over the TP. The distribution and annual regional averages of base, top and thickness of dust layer were calculated and presented. It shows a long-standing dust layer of about 1 km appearing over the TP with the maximum in spring.
英文关键词	Dust Aerosol optical depth Tibetan plateau Taklimakan desert
类型	Article
语种	英语
收录类别	SCI-E
WOS记录号	WOS:000558538000017
WOS关键词	OPTICAL DEPTH ; GLOBAL DISTRIBUTION ; ATMOSPHERIC DUST ; CLIMATE RESPONSE ; SOIL DUST ; STORMS ; ASIA ; NETWORK ; REGIONS ; EVENTS
WOS类目	Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向	Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
来源机构	南京信息工程大学
资源类型	期刊论文
条目标识符	http://119.78.100.177/qdio/handle/2XILL650/325554
作者单位	[Xu, Xiaofeng; Wu, Hao; Yang, Xiaoyue; Xie, Lifeng] Nanjing Univ Informat Sci & Technol, Sch Atmospher Phys, Key Lab Aerosol Cloud Precipitat, China Meteorol Adm, Nanjing 210044, Jiangsu, Peoples R China
推荐引用方式 GB/T 7714	Xu, Xiaofeng,Wu, Hao,Yang, Xiaoyue,et al. Distribution and transport characteristics of dust aerosol over Tibetan Plateau and Taklimakan Desert in China using MERRA-2 and CALIPSO data[J]. 南京信息工程大学,2020,237.
APA	Xu, Xiaofeng,Wu, Hao,Yang, Xiaoyue,&Xie, Lifeng.(2020).Distribution and transport characteristics of dust aerosol over Tibetan Plateau and Taklimakan Desert in China using MERRA-2 and CALIPSO data.ATMOSPHERIC ENVIRONMENT,237.
MLA	Xu, Xiaofeng,et al."Distribution and transport characteristics of dust aerosol over Tibetan Plateau and Taklimakan Desert in China using MERRA-2 and CALIPSO data".ATMOSPHERIC ENVIRONMENT 237(2020).