Arid
DOI10.1016/j.atmosenv.2015.10.038
Source and transportation of summer dust over the Tibetan Plateau
Jia, Rui; Liu, Yuzhi; Chen, Bin; Zhang, Zhijuan; Huang, Jianping
通讯作者Liu, Yuzhi
来源期刊ATMOSPHERIC ENVIRONMENT
ISSN1352-2310
EISSN1873-2844
出版年2015
卷号123页码:210-219
英文摘要

Satellite observational evidences (Cloud-Aerosol Lidar and Infrared Pathfinder Satellite Observations, CALIPSO) have presented that the Tibetan Plateau (TP) is subject to heavy loading of dust aerosols during summer. Combining back trajectory and weather system analyses, the source and transportation of summer Tibetan dust from 2007 to 2014 were investigated. The Tibetan dust is mainly from the Taklimakan Desert and partially from the Gurbantunggut Desert and Great Indian Thar Desert. Case study indicates that the meteorological conditions together with the topography benefit the dust emission adjacent to the TP and the transport toward the plateau. When a cold advection or front developed by strong cold advection passes, dust particles are emitted into the atmosphere from the Taklimakan and Gurbantunggut deserts and then transported to the northern slope of the TP with northeasterly wind induced by the Altai and Tian Shan mountains. For the period from 2007 to 2014, the correlation coefficient of the monthly frequencies of summer dust events over the TP and cold advection passing the Taklimakan and Gurbantunggut deserts were as high as 0.68 and 0.34, respectively. Differently, although the correlation is limited, much TP dust mobilized from the Great Indian Thar Desert is associated with the passing low-pressure system activity and generally polluted by anthropogenic aerosols. The polluted dust is further transported to the southern slope of the TP by the prevailing westerly wind. Investigations on the source and transportation of summer dust over the TP provide a solid foundation of data that can be used to reveal the role of TP dust in the radiation balance, hydrological cycle, and monsoon cycle in India and East Asia. (C) 2015 Elsevier Ltd. All rights reserved.


英文关键词Tibetan plateau Summer dust Source Transportation
类型Article
语种英语
国家Peoples R China
收录类别SCI-E
WOS记录号WOS:000367498600022
WOS关键词AEROSOL OPTICAL-PROPERTIES ; EAST-ASIA ; NORTHWEST CHINA ; SATELLITE MEASUREMENTS ; TAKLIMAKAN DUST ; MINERAL DUST ; WRF-CHEM ; CLIMATE ; MONSOON ; STORM
WOS类目Environmental Sciences ; Meteorology & Atmospheric Sciences
WOS研究方向Environmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
来源机构兰州大学
资源类型期刊论文
条目标识符http://119.78.100.177/qdio/handle/2XILL650/186106
作者单位Lanzhou Univ, Key Lab Semiarid Climate Change, Minist Educ, Coll Atmospher Sci, Lanzhou 730000, Peoples R China
推荐引用方式
GB/T 7714
Jia, Rui,Liu, Yuzhi,Chen, Bin,et al. Source and transportation of summer dust over the Tibetan Plateau[J]. 兰州大学,2015,123:210-219.
APA Jia, Rui,Liu, Yuzhi,Chen, Bin,Zhang, Zhijuan,&Huang, Jianping.(2015).Source and transportation of summer dust over the Tibetan Plateau.ATMOSPHERIC ENVIRONMENT,123,210-219.
MLA Jia, Rui,et al."Source and transportation of summer dust over the Tibetan Plateau".ATMOSPHERIC ENVIRONMENT 123(2015):210-219.
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