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Progress in the reduction of carbon monoxide levels in major urban areas in Korea
Ki-Hyun Kim;  Kyung-Hwa Sul;  Jan E. Szulejko;  Scott D. Chambers;  Xinbin Feng;  Min-Hee Lee
2015
Source PublicationEnvironmental Pollution
Volume207Pages:420-428
Abstract

Long-term trends in observed carbon monoxide (CO) concentrations were analyzed in seven major South Korean cities from 1989 to 2013. Temporal trends were evident on seasonal and annual timescales, as were spatial gradients between the cities. As CO levels in the most polluted cities decreased significantly until the early 2000s, the data were arbitrarily divided into two time periods (I: 1989–2000 and II: 2001–2013) for analysis. The mean CO concentration of period II was about 50% lower than that of period I. Long-term trends of annual mean CO concentrations, examined using the Mann–Kendall (MK) method, confirm a consistent reduction in CO levels from 1989 to 2000 (period I). The abrupt reduction in CO levels was attributed to a combination of technological improvements and government administrative/regulatory initiatives (e.g., emission mitigation strategies and a gradual shift in the fuel/energy consumption mix away from coal and oil to natural gas and nuclear power).

KeywordCarbon Monoxide korealong-term Trends seasonal urban environmental Policy
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/9571
Collection环境地球化学国家重点实验室
Affiliation1.Department of Civil & Environmental Engineering, Hanyang University, 222 Wangsimni-Ro, Seoul 133-791, South Korea
2.ANSTO Institute for Environmental Research, Locked Bag 2001, Kirrawee DC, NSW 2232, Australia
3.Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550002, PR China
Recommended Citation
GB/T 7714
Ki-Hyun Kim;Kyung-Hwa Sul;Jan E. Szulejko;Scott D. Chambers;Xinbin Feng;Min-Hee Lee. Progress in the reduction of carbon monoxide levels in major urban areas in Korea[J]. Environmental Pollution,2015,207:420-428.
APA Ki-Hyun Kim;Kyung-Hwa Sul;Jan E. Szulejko;Scott D. Chambers;Xinbin Feng;Min-Hee Lee.(2015).Progress in the reduction of carbon monoxide levels in major urban areas in Korea.Environmental Pollution,207,420-428.
MLA Ki-Hyun Kim;Kyung-Hwa Sul;Jan E. Szulejko;Scott D. Chambers;Xinbin Feng;Min-Hee Lee."Progress in the reduction of carbon monoxide levels in major urban areas in Korea".Environmental Pollution 207(2015):420-428.
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