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学科主题: 地理学::自然地理学
题名: The online measured black carbon aerosol and source orientations in the Nam Co region, Tibet
作者: Zhang, X (Zhang, Xin)1; Ming, J (Ming, Jing)2, 3; Li, ZQ (Li, Zhongqin)3; Wang, FT (Wang, Feiteng)3; Zhang, GS (Zhang, Guoshuai)4
通讯作者: Ming, J
关键词: OPTICAL-PROPERTIES ; LIGHT-ABSORPTION ; AETHALOMETER DATA ; SIZE DISTRIBUTION ; SOLAR ABSORPTION ; DUST ; PLATEAU ; SITE ; ASIA ; ATMOSPHERE
刊名: ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH
发表日期: 2017
DOI: 10.1007/s11356-017-0165-1
卷: 24, 期:32, 页:25021-25033
收录类别: SCI
合作性质: 国际
文章类型: Article
类目[WOS]: Environmental Sciences ; Environmental Sciences & Ecology
研究领域[WOS]: Environmental Sciences & Ecology
英文摘要: Equivalent black carbon (eBC) mass concentrations were measured by an aethalometer (AE-31) in the Nam Co, central Tibet from 2010 to 2014. Different from previous filter-sampling studies (Ming et al., J Environ Sci 22(11):1748-1756, 2010; Zhao et al., Environ Sci Pollut Res 20:5827-5838, 2013), the first high-resolution online eBC measurement conducted in central Tibet is reported here, allowing to discuss the diurnal variations as well as seasonal variabilities of eBC. Average daily eBC concentration was 74 +/- 50 ng/m(3), reflecting a global background level. Meteorological conditions influenced eBC concentrations largely at seasonal scale, which are higher in February-May but lower in June-January. The highest eBC concentrations (greater than 210 ng/m(3)) were more associated with the W and WSW winds smaller than 6 m/s. The diurnal variations of eBC showed plateaus from 10:00 to 15:00 with seasonal variations, associated with local anthropogenic activities, such as indigenous Tibetan burning animal waste and tourism traffic. The PBLHs showed a co-variance with eBC concentrations, implicating close sources. The aerosol optical depths derived from the MODIS data over the Nam Co Observatory Station (NCOS)-included sub-area (30A degrees N-40A degrees N, 90A degrees E-100A degrees E) showed significant relationship with eBC concentrations. This suggests that nearby or short-distance sources other than long-distance transported pollutants could be important contributors to eBC concentrations at the NCOS, different from the conclusions suggested by previous studies.
语种: 英语
WOS记录号: WOS:000414958700023
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7954
Appears in Collections:研究生部_期刊论文

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作者单位: 1.Northwest Normal Univ, Lanzhou 730070, Peoples R China.
2.Max Planck Inst Chem, Biogeo Multiphase Chem Dept, D-55128 Mainz, Germany.
3.Chinese Acad Sci, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China.
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Beijing 100101, Peoples R China.

Recommended Citation:
Zhang, X ,Ming, J ,Li, ZQ ,et al. The online measured black carbon aerosol and source orientations in the Nam Co region, Tibet[J]. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH,2017,24(32):25021-25033.
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文件名: V.24(32) 25021-25033 2017.pdf
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