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题名: An optimum city size? The scaling relationship for urban population and fine particulate (PM2.5) concentration
作者: Han, Lijian; Zhou, Weiqi; Pickett, Steward T. A.; Li, Weifeng; Li, Li
刊名: ENVIRONMENTAL POLLUTION
出版日期: 2016-01
卷号: 208, 期号:0, 页码:96-101
关键词: Urbanization ; Developed country ; Developing country ; Urban air quality
DOI: 10.1016/j.envpol.2015.08.039
部门归属: 城市与区域生态国家重点实验室
英文摘要: We utilize the distribution of PM2.5 concentration and population in large cities at the global scale to illustrate the relationship between urbanization and urban air quality. We found: 1) The relationship varies greatly among continents and countries. Large cities in North America, Europe, and Latin America have better air quality than those in other continents, while those in China and India have the worst air quality. 2) The relationships between urban population size and PM2.5 concentration in large cities of different continents or countries were different. PM2.5 concentration in large cities in North America, Europe, and Latin America showed little fluctuation or a small increasing trend, but those in Africa and India represent a "U" type relationship and in China represent an inverse "U" type relationship. 3) The potential contribution of population to PM2.5 concentration was higher in the large cities in China and India, but lower in other large cities. (C) 2015 Elsevier Ltd. All rights reserved.
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内容类型: 期刊论文
URI标识: http://ir.rcees.ac.cn/handle/311016/35525
Appears in Collections:城市与区域生态国家重点实验室_期刊论文

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Recommended Citation:
Han, Lijian,Zhou, Weiqi,Pickett, Steward T. A.,et al. An optimum city size? The scaling relationship for urban population and fine particulate (PM2.5) concentration[J]. ENVIRONMENTAL POLLUTION,2016,208(0):96-101.
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