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	Assessment of traffic noise pollution from 1989 to 2003 in Lanzhou city
	Ma G. X. ; Tian Y. J. ; Ju T. Z. ; Ren Z. W.
	2006
关键词	traffic noise noise assessment effect factors prediction indices Lanzhou City greater cairo road egypt
英文摘要	On the basis of the continuous traffic noise data observed at 142 sites distributed in 52 roads from 1989 to 2003, the characteristics of traffic noise and effect factors were analyzed through traffic noise indices, such as Lep, L10, L50, L90, TNI, and Pn. Our findings allow us to reach a number of conclusions as follows: Firstly, traffic noise pollution was serious, and its fluctuant characteristic was obvious, resulting in a great intrusion to public in Lanzhou City during last 15 years. Secondly, traffic noise made a distinction between trunk lines and secondary lines, west-east direction roads and north-south direction roads. Thirdly, spatial character and time rule of traffic noise were obvious. In addition, traffic volume, traffic composition, road condition, and traffic management were identified as the key factors influencing traffic noise in this city.
出处	Environmental Monitoring and Assessment
卷	123
期	1-3
页	413-430
收录类别	SCI
语种	英语
ISSN号	0167-6369
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/23303]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Ma G. X.,Tian Y. J.,Ju T. Z.,et al. Assessment of traffic noise pollution from 1989 to 2003 in Lanzhou city. 2006.

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