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First measurement of atmospheric mercury species in Qomolangma Natural Nature Preserve, Tibetan Plateau, and evidence of transboundary pollutant invasion
Lin, HM (Lin, Huiming)1; Tong, YD (Tong, Yindong)2; Yin, XF (Yin, Xiufeng)3,4,5; Zhang, QG (Zhang, Qianggong)4,6; Zhang, H (Zhang, Hui)7; Zhang, HR (Zhang, Haoran)1; Chen, L (Chen, Long)8; Kang, SC (Kang, Shichang)3,5,6; Zhang, W (Zhang, Wei)9; Schauer, J (Schauer, James)10,11; de Foy, B (de Foy, Benjamin)12; Bu, XG (Bu, Xiaoge)2; Wang, XJ (Wang, Xuejun)1
Source PublicationATMOSPHERIC CHEMISTRY AND PHYSICS
2019
Volume19Issue:2Pages:1373-1391
DOI10.5194/acp-19-1373-2019
Abstract

Located in the world's "third pole" and a remote region connecting the Indian plate and the Eurasian plate, Qomolangma National Nature Preserve (QNNP) is an ideal region to study the long-range transport of atmospheric pollutants. In this study, gaseous elemental mercury (GEM), gaseous oxidized mercury (GOM) and particle-bound mercury (PBM) were continuously measured during the Indian monsoon transition period in QNNP. A slight increase in the GEM concentration was observed from the period preceding the Indian summer monsoon (1.31 +/- 0.42 ng m(-3)) to the Indian summer monsoon period (1.44 +/- 0.36 ng m(-3)), while significant decreases were observed in the GOM and PBM concentrations, with concentrations decreasing from 35.2 +/- 18.6 to 19.3 +/- 10.9 pg m(-3) (p < 0.001) for GOM and from 30.5 +/- 12.5 to 24.9 +/- 19.8 pg m(-3) (p < 0.001) for PBM. A unique daily pattern was observed in QNNP with respect to the GEM concentration, with a peak value before sunrise and a low value at noon. Relative to the (low) GEM concentrations, GOM concentrations (with a mean value of 21.4 +/- 13.4 pg m(-3), n = 1239) in this region were relatively high compared with the measured values in some other regions of China. A cluster analysis indicated that the air masses transported to QNNP changed significantly at different stages of the monsoon, and the major potential mercury (Hg) sources shifted from northern India and western Nepal to eastern Nepal and Bangladesh. As there is a large area covered in glaciers in QNNP, local glacier winds could increase the transboundary transport of pollutants and transport polluted air masses to the Tibetan Plateau. The atmospheric Hg concentration in QNNP in the Indian summer monsoon period was influenced by transboundary Hg flows. This highlights the need for a more specific identification of Hg sources impacting QNNP and underscores the importance of international cooperation regarding global Hg controls.

Subject AreaEnvironmental Sciences
WOS IDWOS:000457478100001
Language英语
Indexed BySCI
KeywordTotal Gaseous Mercury Polycyclic Aromatic-hydrocarbons Planetary Boundary-layer Asian Summer Monsoon Long-term Trends Black Carbon Yak Dung Meteorological Parameters Temporal Variability Air-pollutants
WOS Research AreaEnvironmental Sciences & Ecology ; Meteorology & Atmospheric Sciences
WOS SubjectEnvironmental Sciences ; Meteorology & Atmospheric Sciences
Cooperation Status国际
ISSN1680-7316
Department环境变化与地表过程
URL查看原文
PublisherCOPERNICUS GESELLSCHAFT MBH
SubtypeArticle
Citation statistics
Document Type期刊论文
Identifierhttp://ir.itpcas.ac.cn/handle/131C11/9415
Collection图书馆
Corresponding AuthorTong, YD (Tong, Yindong); Wang, XJ (Wang, Xuejun)
Affiliation1.Peking Univ, Coll Urban & Environm Sci, MOE Lab Earth Surface Proc, Beijing 100871, Peoples R China;
2.Tianjin Univ, Sch Environm Sci & Engn, Tianjin 300072, Peoples R China;
3.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Gansu, Peoples R China;
4.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China;
5.Univ Chinese Acad Sci, Beijing 100039, Peoples R China;
6.CAS Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100085, Peoples R China;
7.Chinese Acad Sci, Inst Geochem, State Key Lab Environm Geochem, Guiyang 550002, Guizhou, Peoples R China;
8.East China Normal Univ, Sch Geog Sci, Shanghai 200241, Peoples R China;
9.Renmin Univ China, Sch Environm & Nat Resources, Beijing 100872, Peoples R China;
10.Univ Wisconsin, Dept Civil & Environm Engn, Madison, WI 53706 USA;
11.Univ Wisconsin, Wisconsin State Lab Hyg, Madison, WI 53706 USA;
12.St Louis Univ, Dept Earth & Atmospher Sci, St Louis, MO 63108 USA.
Recommended Citation
GB/T 7714
Lin, HM ,Tong, YD ,Yin, XF ,et al. First measurement of atmospheric mercury species in Qomolangma Natural Nature Preserve, Tibetan Plateau, and evidence of transboundary pollutant invasion[J]. ATMOSPHERIC CHEMISTRY AND PHYSICS,2019,19(2):1373-1391.
APA Lin, HM .,Tong, YD .,Yin, XF .,Zhang, QG .,Zhang, H .,...&Wang, XJ .(2019).First measurement of atmospheric mercury species in Qomolangma Natural Nature Preserve, Tibetan Plateau, and evidence of transboundary pollutant invasion.ATMOSPHERIC CHEMISTRY AND PHYSICS,19(2),1373-1391.
MLA Lin, HM ,et al."First measurement of atmospheric mercury species in Qomolangma Natural Nature Preserve, Tibetan Plateau, and evidence of transboundary pollutant invasion".ATMOSPHERIC CHEMISTRY AND PHYSICS 19.2(2019):1373-1391.
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