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来源类型 | Article |
规范类型 | 其他 |
DOI | 10.1016/j.apenergy.2016.04.087 |
Ecological network analysis of embodied particulate matter 2.5 – A case study of Beijing. | |
Yang S; Fath B; Chen B | |
发表日期 | 2016 |
出处 | Applied Energy 184: 882-888 |
出版年 | 2016 |
语种 | 英语 |
摘要 | Over the past decades, China has been facing severe airborne pollution associated with atmospheric fine particulate matter (PM2.5). Much attention has been paid to the physical transport of PM2.5 emissions. However, the embodied emissions, namely the emissions transferred through economic activities, have seldom been investigated. In this paper, embodied emission of PM2.5 from each sector of Beijing is quantified based on input–output analysis (IOA). Forty-two economic sectors from the input–output table are aggregated into fifteen components. Furthermore, the mutual interactions and control relationship within those sectors have been revealed by using ecological network analysis (ENA) to identify the dominant sectors. The results show that, in 2010, 34% of the total PM2.5 emissions, or 59.4 kt PM2.5, were indirect emissions traded through economic sectors within Beijing. According to the results of ENA, we found that “Smelting & Pressing of Metals“, “Metal Products” and “Nonmetal Mineral Products“ are the top three sectors with the highest control levels while “Agriculture”, “Catering Services” and “Residential Services” are the lowest-ranking sectors among the system. The network confirms that sectors related to heavy industry are the dominant sectors driving the embodied PM2.5 emissions in the whole system. Compared to the conventional approaches for tracking PM2.5 emissions, ENA may provide a practical way to reveal the mechanisms of embodied PM2.5 emission flows via socioeconomic activities from a holistic perspective. |
主题 | Advanced Systems Analysis (ASA) |
关键词 | Air pollution Ecological network analysis Input–output analysis Embodied emissions Energy structure |
URL | http://pure.iiasa.ac.at/id/eprint/12844/ |
来源智库 | International Institute for Applied Systems Analysis (Austria) |
引用统计 | |
资源类型 | 智库出版物 |
条目标识符 | http://119.78.100.153/handle/2XGU8XDN/130459 |
推荐引用方式 GB/T 7714 | Yang S,Fath B,Chen B. Ecological network analysis of embodied particulate matter 2.5 – A case study of Beijing.. 2016. |
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1-s2.0-S030626191630(1058KB) | 智库出版物 | 限制开放 | CC BY-NC-SA | 浏览 |
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