Knowledge Resource Center for Ecological Environment in Arid Area
DOI | 10.1016/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
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ISSN | 1352-2310 |
EISSN | 1873-2844 |
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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