Emergy analysis on urban metabolism by counties in Beijing
文献类型：期刊论文
| 作者 | Qi, Wei1,2 ; Deng, Xiangzheng1,2,3; Chu, Xi4; Zhao, Chunhong5; Zhang, Fan6
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| 刊名 | PHYSICS AND CHEMISTRY OF THE EARTH
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| 出版日期 | 2017-10-01 |
| 卷号 | 101页码:157-165 |
| 关键词 | Urban metabolism Emergy analysis Sustainability Urbanization Beijing |
| ISSN号 | 1474-7065 |
| DOI | 10.1016/j.pce.2017.01.024 |
| 通讯作者 | Deng, Xiangzheng(dengxz@igsnrr.ac.cn) |
| 英文摘要 | Beijing is an international metropolis, with rapid urbanization during the last 30 years. However, it faces the challenge of sustainability with limited natural resources. This paper attempts to incorporate emergy analysis on urban metabolism to investigate the sustainability of the entire Beijing at the county level. Based on the time-series climate data and socioeconomic data, we calculated the structure, intensities, environment pressures and output efficiency of the urban metabolic emergy system by counties between 2005 and 2014. The result shows that the metabolic emergy stores of Beijing, especially in Capital Function Core (CFC) area, had been increasing significantly during the study period, especially for the increasing imported and exported emergy accounting. The 16 districts of Beijing can be grouped into four types of functional areas in terms of the function in urban metabolism. The five parts of urban metabolic emergy system had obviously spatial difference by counties, and the renewable emergy in CFC area and Urban Function Development (UFD) zone was obviously lower than in City Development (CD) zone and Ecological Conservation Development (ECD) area. The non-renewable emergy and waste emergy in CFC area, UFD zone and CD zone were obviously higher than that in ECD area. The imported emergy and exported emergy were significantly higher in Dongcheng, Xicheng and Chaoyang district. Emergy use intensities of CFC area had been increasing with the rapid rise in imported emergy and exported emergy, resulting in the increasing environmental pressure. However, the district governments of CFC area are trying to enhance output efficiency and sustainability to reduce waste emergy. The indices of emergy yield rate (EYR) and emergy sustainable index (ESI) had been gradually decreasing and the region with the highest value of EYR and ESI, in decreasing order, are: ECD area, CD zone, UFD zone, and CFC area. The result indicates that CFC area is more fragile and dependent on external resources. Therefore, the Beijing government, especially the district governments of CFC area should encourage the exploitation and utilization of renewable resources and energy, increase the consumption efficiency of non-renewable resources and energy, and establish the mechanism to re-use wastes of resources and energy in order to promote the urban metabolism. (C) 2017 Elsevier Ltd. All rights reserved. |
| WOS关键词 | MULTISCALE INTEGRATED ANALYSIS ; CHINA ; CONSUMPTION ; SOCIETAL ; SYSTEMS ; CITIES |
| 资助项目 | National Natural Science Foundation of China Programs[71533004] ; National Natural Science Foundation of International/Regional Cooperation and Exchange Programs[71561137002] |
| WOS研究方向 | Geology ; Meteorology & Atmospheric Sciences ; Water Resources |
| 语种 | 英语 |
| WOS记录号 | WOS:000416704100017 |
| 出版者 | PERGAMON-ELSEVIER SCIENCE LTD |
| 资助机构 | National Natural Science Foundation of China Programs ; National Natural Science Foundation of International/Regional Cooperation and Exchange Programs |
| 源URL | [http://ir.igsnrr.ac.cn/handle/311030/56740]  |
| 专题 | 中国科学院地理科学与资源研究所 |
| 通讯作者 | Deng, Xiangzheng |
| 作者单位 | 1.Chinese Acad Sci, Inst Geog Sci & Nat Resources Res, Beijing 100101, Peoples R China 2.Chinese Acad Sci, Ctr Chinese Agr Policy, Beijing 100101, Peoples R China 3.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 4.Hubei Univ, Resources & Environm Sci, Wuhan 430062, Hubei, Peoples R China 5.Texas State Univ, Dept Geog, San Marcos, TX USA 6.Beijing Normal Univ, Sch Environm, Beijing 100875, Peoples R China |
| 推荐引用方式 GB/T 7714 | Qi, Wei,Deng, Xiangzheng,Chu, Xi,et al. Emergy analysis on urban metabolism by counties in Beijing[J]. PHYSICS AND CHEMISTRY OF THE EARTH,2017,101:157-165. |
| APA | Qi, Wei,Deng, Xiangzheng,Chu, Xi,Zhao, Chunhong,&Zhang, Fan.(2017).Emergy analysis on urban metabolism by counties in Beijing.PHYSICS AND CHEMISTRY OF THE EARTH,101,157-165. |
| MLA | Qi, Wei,et al."Emergy analysis on urban metabolism by counties in Beijing".PHYSICS AND CHEMISTRY OF THE EARTH 101(2017):157-165. |
入库方式： OAI收割
来源：地理科学与资源研究所
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