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 | |
发表期刊 | Environmental Pollution |
卷号 | 207页码:420-428 |
摘要 | 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). |
关键词 | Carbon Monoxide korealong-term Trends seasonal urban environmental Policy |
收录类别 | SCI |
语种 | 英语 |
文献类型 | 期刊论文 |
条目标识符 | http://ir.gyig.ac.cn/handle/42920512-1/9571 |
专题 | 环境地球化学国家重点实验室 |
作者单位 | 1.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 |
推荐引用方式 GB/T 7714 | Ki-Hyun Kim,Kyung-Hwa Sul,Jan E. Szulejko,et al. 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,et al."Progress in the reduction of carbon monoxide levels in major urban areas in Korea".Environmental Pollution 207(2015):420-428. |
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