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 3.47ngm-3 (N). Inspection of the seasonal patterns indicates that the maximum concentrations (ngm-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±1.26). 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 4.49ngm-3 in 2004 and from 2.49 to 3.42ngm-3 in 2011.
Original language | English |
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Pages (from-to) | 199-208 |
Number of pages | 10 |
Journal | Atmospheric Research |
Volume | 132-133 |
DOIs | |
Publication status | Published - 2013 Oct |
Bibliographical note
Funding Information:This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Ministry of Education, Science and Technology (MEST) (no. 2010-0007876 ). The second author also acknowledges the support made by a grant from the Korea Basic Science Institute (project no. T31603 ). The fourth author also acknowledges partial support made by the Human Resources Development of the Korea Institute of Energy Technology Evaluation and Planning (KETEP) grant funded by the Korea government Ministry of Trade, Industry and Energy (no. 20094010200030 ).
Keywords
- Anthropogenic
- Long term
- Mercury
- Seoul
- Spatial
- Temporal
ASJC Scopus subject areas
- Atmospheric Science