NDLI: Investigation of the relationship between atmospheric mercury and concentrations of key greenhouse gases at a mountainous monitoring site

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Kim, Ki-Hyun Pandey, Sudhir Kumar Brown, Richard J. C. Sheu, Guey Rong Jeon, Eui-Chan Jung, Kweon Kang, Chang-Hee
Spatial Coverage	Seoul
Description	Author Affiliation: Kim KH ( Department of Civil & Environmental Engineering, Hanyang University, Seoul 133-791, Korea.)
Abstract	The concentration of total gaseous mercury (TGM) was monitored, together with some key greenhouse gases (GHGs: carbon dioxide $(CO_{2}),$ methane $(CH_{4}),$ and water $(H_{2}O)$ vapor) at hourly intervals at a mountainous monitoring site close to the highly industrialized city of Seoul, Korea. Correlations between the concentrations of Hg and those of the greenhouse gases were examined to assess their source characteristics and responses to changes in meteorological conditions. The mean Hg levels in this study (3.58 ± 2.13 ng $m^{−3})$ were considerably lower (by, e.g., 24.3%) than those measured previously in other comparable sites during 1999–2006 (4.73 ± 1.34 ng $m^{−3}).$ Accordingly, such a reduction in Hg levels suggests the effectiveness of the regulatory measures enforced over the years. The mean Hg level observed in this study is also lower (by approximately 5%) than those in other Asian locations. In contrast, the mean concentrations of the two most important GHGs $(CO_{2}$ and $CH_{4})$ were moderately higher than those of other locations across the world (by approximately 4–9%). The results of our analysis indicate that the behavior of Hg is strongly correlated with water vapor and $CH_{4}$ in terms of their source characteristics, despite notable differences in their diurnal patterns.
File Format	HTM / HTML
ISSN	20507887
Issue Number	3
Volume Number	17
e-ISSN	20507895
Journal	Environmental Science: Processes & Impacts
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2015-03-01
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Discipline Environmental Health Air Pollutants Analysis Carbon Dioxide Environmental Monitoring Mercury Methane Seoul Journal Article Research Support, Non-u.s. Gov't
Content Type	Text
Resource Type	Article
Subject	Environmental Chemistry Public Health, Environmental and Occupational Health Management, Monitoring, Policy and Law

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