Simultaneous monitoring of total gaseous mercury at four urban monitoring stations in Seoul, Korea
- Authors
- Kim, Ki-Hyun; Yoon, Hye-On; Brown, Richard J. C.; Jeon, Eui-Chan; Sohn, Jong-Ryeul; Jung, Kweon; Park, Chan-Goo; Kim, Ik-Soo
- Issue Date
- 10월-2013
- Publisher
- ELSEVIER SCIENCE INC
- Keywords
- Mercury; Spatial; Temporal; Long term; Seoul; Anthropogenic
- Citation
- ATMOSPHERIC RESEARCH, v.132, pp.199 - 208
- Indexed
- SCIE
SCOPUS
- Journal Title
- ATMOSPHERIC RESEARCH
- Volume
- 132
- Start Page
- 199
- End Page
- 208
- URI
- https://scholar.korea.ac.kr/handle/2021.sw.korea/101952
- DOI
- 10.1016/j.atmosres.2013.05.023
- ISSN
- 0169-8095
- Abstract
- The monitoring of total gaseous mercury (TGM) concentrations together with other trace gases and meteorological parameters was made at hourly intervals over 2-year period (1 January 2010 to 31 December 2011) at four urban monitoring sites: Guro-gu (G), Nowon-gu (N), Songpa-gu (S), and Yongsan-gu (Y) in Seoul, Korea. The mean concentrations of TGM at these sites were found to span the range of 3.28 (Y) to 3.47 ng m(-3) (N). Inspection of the seasonal patterns indicates that the maximum concentrations (ng m(-3)) occur at different times of year across the four sites: winter at N (3.67 +/- 1.77), fall at S (3.64 +/- 1.12), summer at G (3.61 +/- 1.51), and spring at Y (3.40 +/- 126). The long-term trend in Hg concentrations, when also considering data sets from previous studies, suggests modest reductions in concentrations at all four sites, from 2.89 to 4.49 ng m(-3) in 2004 and from 2.49 to 3.42 ng m(-3) in 2011. (C) 2013 Elsevier B.V. All rights reserved.
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