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学科主题: 地理学::自然地理学
题名: Atmospheric particulate mercury in Lhasa city, Tibetan Plateau
作者: Huang, J (Huang, Jie)1, 3, 4; Kang, SC (Kang, Shichang)2, 3; Guo, JM (Guo, Junming)1, 6; Zhang, QG (Zhang, Qianggong)1, 3; Cong, ZY (Cong, Zhiyuan)1, 3; Sillanpaa, M (Sillanpaa, Mika)4, 5; Zhang, GS (Zhang, Guoshuai)1; Sun, SW (Sun, Shiwei)2, 6; Tripathee, L (Tripathee, Lekhendra)2
通讯作者: Kang, SC
关键词: REACTIVE GASEOUS MERCURY ; TOKYO METROPOLITAN-AREA ; DRY-DEPOSITION ; AMBIENT AIR ; SEASONAL-VARIATIONS ; WET DEPOSITION ; TRACE-ELEMENTS ; ORGANOCHLORINE PESTICIDES ; MT. NYAINQENTANGLHA ; MINAMATA CONVENTION
刊名: ATMOSPHERIC ENVIRONMENT
发表日期: 2016
DOI: 10.1016/j.atmosenv.2016.08.021
卷: 142, 期:0, 页:433-441
收录类别: SCI
合作性质: 国际
文章类型: Article
部门归属: 环境
英文摘要: In an effort to understand the biogeochemical cycling and seasonal characteristics of atmospheric Hg, a total of 80 daily sampled total suspended particulates were collected at Lhasa, the largest city of Tibet, from April 2013 to August 2014 for particulate-bound Hg (Hgp) analysis. Daily concentrations of atmospheric Hgp ranged from 61.2 to 831 pg m(-3) with an average of 224 pg m(-3), which were unexpectedly comparable to those measured in most of the Chinese metropolises. Both the daily/monthly average Hgp concentrations were slightly but not significantly higher during the non-monsoon season than during the monsoon season. Together with the fact that there was lack of significant relationship between Hgp concentration and most meteorological parameters, no significant and distinct pattern for the seasonal characteristics of atmospheric Hgp could be mainly attributed to the almost equal emission strength of two principal anthropogenic Hg sources (i.e., industrial emission sources during the non-monsoon season, and vehicular traffic and religious sources during the monsoon season). Moreover, the Hgp dry deposition rate was estimated to be 35.3 14 mu g m(-2) yr(-1) by using a theoretical model, which was significantly higher than those Hg wet fluxes. The elevated deposition rate implied that dry deposition may play an important role in the biogeochemical Hg cycling over the Tibetan Plateau. (C) 2016 Elsevier Ltd. All rights reserved.
语种: 英语
WOS记录号: WOS:000383293100044
Citation statistics:
内容类型: 期刊论文
URI标识: http://ir.itpcas.ac.cn/handle/131C11/7595
Appears in Collections:图书馆_期刊论文

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作者单位: 1.Chinese Acad Sci, Inst Tibetan Plateau Res, Key Lab Tibetan Environm Changes & Land Surface P, Beijing 100101, Peoples R China
2.Chinese Acad Sci, Northwest Inst Ecoenvironm & Resources, State Key Lab Cryospher Sci, Lanzhou 730000, Peoples R China
3.Chinese Acad Sci, Ctr Excellence Tibetan Plateau Earth Sci, Beijing 100101, Peoples R China
4.Lappeenranta Univ Technol, Lab Green Chem, Sammonkatu 12, FI-50130 Mikkeli, Finland
5.Florida Int Univ, Dept Civil & Environm Engn, Miami, FL 33174 USA
6.Univ Chinese Acad Sci, Beijing 100049, Peoples R China

Recommended Citation:
Huang, J ,Kang, SC ,Guo, JM ,et al. Atmospheric particulate mercury in Lhasa city, Tibetan Plateau[J]. ATMOSPHERIC ENVIRONMENT,2016,142(0):433-441.
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文件名: V.142 433-441 2016.pdf
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