| Mercury wet deposition in rural Korea: concentrations and fluxes. | |
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MedLine Citation:
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PMID: 21863180 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The characteristics of Hg wet deposition were investigated in a rural area of Korea from August 2006 to July 2008. The volume weighted mean (VWM) Hg(T) concentration and cumulative Hg(T) flux were 8.8 ng L(-1) and 9.4 μg m(-2) per year, respectively. The VWM Hg(T) concentration varied seasonally, similar to the seasonal pattern in atmospheric Hg(p) concentration. The enhancement of both VWM Hg(T) and atmospheric Hg(p) concentrations in spring and winter was likely caused by the long-range transport of Hg from China. Monthly VWM Hg(T) and atmospheric Hg(p) concentrations were well correlated (R(2) = 0.36); however, there was no correlation between VWM Hg(T) and RGM (reactive gaseous mercury) concentrations, suggesting that Hg(p) was responsible for the majority of the Hg in wet deposition at this site. The VWM Hg(T) concentration in snow was statistically higher than in rain. In addition, the atmospheric Hg(p) concentration appeared to be elevated for snow events as well. This suggests that both elevated Hg(p) concentrations and the enhanced scavenging efficiency of snow for Hg(p) were responsible for the elevated VWM Hg(T) concentrations measured during snow events. |
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Authors:
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Myeong-Chan Ahn; Seung-Muk Yi; Thomas M Holsen; Young-Ji Han |
Publication Detail:
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Type: Journal Article; Research Support, Non-U.S. Gov't Date: 2011-08-24 |
Journal Detail:
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Title: Journal of environmental monitoring : JEM Volume: 13 ISSN: 1464-0333 ISO Abbreviation: J Environ Monit Publication Date: 2011 Oct |
Date Detail:
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Created Date: 2011-10-05 Completed Date: 2012-02-16 Revised Date: 2012-03-01 |
Medline Journal Info:
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Nlm Unique ID: 100968688 Medline TA: J Environ Monit Country: England |
Other Details:
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Languages: eng Pagination: 2748-54 Citation Subset: IM |
Affiliation:
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Wonju Regional Environmental Office, 327 Dangu-ro, Myeongryun-dong, Wonju, Kangwon-do 220-947, Korea. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Air Pollutants
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analysis* Air Pollution / statistics & numerical data* Atmosphere / chemistry Environmental Monitoring Mercury / analysis* Rain / chemistry* Republic of Korea |
| Chemical | |
Reg. No./Substance:
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0/Air Pollutants; 7439-97-6/Mercury |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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