Levoglucosan on Tibetan glaciers under different atmospheric circulations
文献类型：期刊论文
| 作者 | Song, LL (Song, Lili)3; You, C (You, Chao)1,2; Yao, TD (Yao, Tandong)1,2; Xu, C (Xu, Chao)1,2; You, C |
| 刊名 | ATMOSPHERIC ENVIRONMENT
 |
| 出版日期 | 2017 |
| 卷号 | 152期号:0页码:1-5 |
| 关键词 | BLACK CARBON AEROSOL EMISSIONS PLATEAU FIRES RECORDS HEIGHTS REGION SMOKE RIVER |
| DOI | 10.1016/j.atmosenv.2016.12.021 |
| 文献子类 | Article |
| 英文摘要 | Tibetan glaciers are natural documents of the specific biomass burning biomarker levoglucosan from regions around. However, knowledge about the characteristics of levoglucosan distributions on Tibetan glaciers under the different climate systems is poorly understood. In this study, we detected levoglucosan in snow samples from the Zuoqiupu (ZQP) Glacier affected by the Indian summer monsoon and the Muji (MJ) Glacier dominated by the westerlies. Results found that the ZQP Glacier was more heavily affected by fire emissions than the MJ Glacier, caused by stronger emission sources on the windward direction and shorter transport distances. Elevations for the appearance of levoglucosan maxima on glacier surfaces are roughly around the equilibrium line altitudes. However, levoglucosan displays a wider distribution range on the MJ glacier than on the ZQP glacier due to weaker summer melt. Injection height of fire smokes and glacial melt can affect the altitudinal distribution of levoglucosan. Black carbon and levoglucosan show different temporal variations in snow-pit samples on those two glaciers. The post depositional effects, e.g. the melting and refreezing processes, can modulate the vertical distribution of levoglucosan in snow/ice layers. Our results are helpful for understanding the geochemical behaviors of levoglucosan happened on Tibetan glacier surfaces. (C) 2016 Elsevier Ltd. All rights reserved. |
| 学科主题 | 自然地理学 |
| WOS研究方向 | Environmental Sciences & Ecology; Meteorology & Atmospheric Sciences |
| 语种 | 英语 |
| WOS记录号 | WOS:000394400000001 |
| 源URL | [http://ir.itpcas.ac.cn/handle/131C11/8324]  |
| 专题 | 青藏高原研究所_图书馆 |
| 通讯作者 | You, C |
| 作者单位 | 1.Chinese Acad Sci, Key Lab Tibetan Environm Changes & Land Surface P, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China. 2.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China. 3.Chinese Acad Sci, Key Lab Alpine Ecol & Biodivers, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China. |
| 推荐引用方式 GB/T 7714 | Song, LL ,You, C ,Yao, TD ,et al. Levoglucosan on Tibetan glaciers under different atmospheric circulations[J]. ATMOSPHERIC ENVIRONMENT,2017,152(0):1-5. |
| APA | Song, LL ,You, C ,Yao, TD ,Xu, C ,&You, C.(2017).Levoglucosan on Tibetan glaciers under different atmospheric circulations.ATMOSPHERIC ENVIRONMENT,152(0),1-5. |
| MLA | Song, LL ,et al."Levoglucosan on Tibetan glaciers under different atmospheric circulations".ATMOSPHERIC ENVIRONMENT 152.0(2017):1-5. |
入库方式： OAI收割
来源：青藏高原研究所
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