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Total particulate and reactive gaseous mercury in ambient air on the eastern slope of the Mt. Gongga area, China
Fu, Xuewu1,2; Feng, Xinbin1; Zhu, Wanze3; Zheng, Wei1,2; Wang, Shaofeng1,2; Lu, Julia Y.4
Corresponding AuthorFeng, Xinbin
2008
Source PublicationAPPLIED GEOCHEMISTRY
ISSN0883-2927
Volume23Issue:3Pages:408-418
SubtypeArticle; Proceedings Paper
AbstractTotal particulate mercury (TPM) and reactive gaseous mercury (RGM) concentrations in ambient air on the eastern slope of the Mt. Gongga area, Sichuan Province, Southwestern China were monitored from 25 May, 2005 to 29 April, 2006. Simultaneously, Hg concentrations in rain samples were measured from January to December, 2006. The average TPM and RGM concentrations in the study site were 30.7 and 6.2 pg m(-3), which are comparable to values observed in remote areas in Northern America and Europe, but much lower than those reported in some urban areas in China. The mean seasonal RGM concentration was slightly higher in spring (8.0 pg m(-3)) while the minimum mean concentration was observed in winter (4.0 pg m(-3)). TPM concentrations ranged across two orders of magnitude from 5.2 to 135.7 Pg m(-3) and had a clear seasonal variation: winter (74.1 pg m(-3)), autumn (22.5 Pg m(-3)), spring (15.3 Pg m(-3)) and summer (10.8 Pg m(-3)), listed in decreasing order. The annual wet deposition was 9.1 mu g m(-2) and wet deposition in the rainy season (May-October) represented over 80% of the annual total. The temporal distribution of TPM and RGM suggested distinguishable dispersion characteristics of these Hg species on a regional scale. Elevated TPM concentration in winter was probably due to regional and local enhanced coal burning and low wet deposition velocity. The RGM distribution pattern is closely related to daily variation in UV radiation observed during the winter sampling period indicating that photo-oxidation processes and diurnal changes in meteorology play an important role in RGM generation. (c) 2007 Elsevier Ltd. All rights reserved.
KeywordScience & Technology
WOS HeadingsScience & Technology ; Physical Sciences
DOI10.1016/j.apgeochem.2007.12.018
WOS Subject ExtendedGeochemistry & Geophysics
Indexed BySCI
WOS KeywordATMOSPHERIC MERCURY ; DIVALENT MERCURY ; COAL COMBUSTION ; DRY DEPOSITION ; SPECIATION ; EMISSIONS ; GAS ; GUIZHOU ; METHODOLOGY ; ENVIRONMENT
Language英语
Quartile2区
TOP
WOS SubjectGeochemistry & Geophysics
WOS IDWOS:000255047300007
Citation statistics
Cited Times:64[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imde.ac.cn/handle/131551/10532
Collection成都山地所知识仓储(2009年以前)
山地表生过程与生态调控重点实验室
Affiliation1.Chinese Acad Sci, State Key Lab Environm Geochem, Inst Geochem, Guiyang 550002, Peoples R China
2.Grad Univ Chinese Acad Sci, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Inst Mt Hazards & Environm, Chengdu 610041, Peoples R China
4.Ryerson Univ, Dept Biol & Chem, Toronto, ON M5B 2K3, Canada
Recommended Citation
GB/T 7714
Fu, Xuewu,Feng, Xinbin,Zhu, Wanze,et al. Total particulate and reactive gaseous mercury in ambient air on the eastern slope of the Mt. Gongga area, China[J]. APPLIED GEOCHEMISTRY,2008,23(3):408-418.
APA Fu, Xuewu,Feng, Xinbin,Zhu, Wanze,Zheng, Wei,Wang, Shaofeng,&Lu, Julia Y..(2008).Total particulate and reactive gaseous mercury in ambient air on the eastern slope of the Mt. Gongga area, China.APPLIED GEOCHEMISTRY,23(3),408-418.
MLA Fu, Xuewu,et al."Total particulate and reactive gaseous mercury in ambient air on the eastern slope of the Mt. Gongga area, China".APPLIED GEOCHEMISTRY 23.3(2008):408-418.
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