Global S&T Development Trend Analysis Platform of Resources and Environment
Pollution and Road Infrastructure in Cities of the People’s Republic of China | |
[unavailable] | |
2017-04-12 | |
出版年 | 2017 |
语种 | 英语 |
国家 | 国际 |
领域 | 气候变化 |
英文摘要 |
While wider roads or more lanes can reduce vehicle emissions and help people be more mobile and efficient, longer roads can increase emissions, although not in a statistically significant way. Urban road infrastructure is crucial in determining air pollution. Yet, little is known about the roles played by road width versus road length. We attempt to fill this gap by estimating the effects of road infrastructure on 10-micron particulate matter (PM10) using city-level data from the People’s Republic of China (PRC). Our robust modeling results show that the road density index, defined as the ratio of surface area of roads to city territory size, is negatively correlated with PM10. More importantly, when the index of road density is decomposed into road width and road length components, the width is found to help reduce PM10, whereas the length is positively correlated with PM10, although the latter relationship is statistically insignificant. WORKING PAPER NO: 717 |
URL | 查看原文 |
来源平台 | Asian Development Bank |
文献类型 | 科技报告 |
条目标识符 | http://119.78.100.173/C666/handle/2XK7JSWQ/233985 |
专题 | 气候变化 |
推荐引用方式 GB/T 7714 | [unavailable]. Pollution and Road Infrastructure in Cities of the People’s Republic of China,2017. |
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文件名称/大小 | 文献类型 | 版本类型 | 开放类型 | 使用许可 | ||
adbi-wp717.pdf(527KB) | 科技报告 | 开放获取 | CC BY-NC-SA | 浏览 下载 |
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