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Identifying the driving factors of energy-water nexus in Beijing from both economy- and sector-wide perspectives

机译：从经济和行业角度确定北京能源水关系的驱动因素

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摘要

This study develops an integrated analytical framework, based on LMDI method, to identify the driving factors of energy and water (EW) nexus in Beijing from both economy- and sector-wide perspectives. The notable findings are: (1) The service and urban household sectors contributed most to the increase of energy use while the agriculture sector played a dominated role in the large decline of water use in Beijing from 2002 to 2017. Service and urban household were the key sectors of EW nexus. (2) Both economy- and sector-wide factors exerted synergistic effects on EW use, although their contributions to water-saving were much higher than energy-saving. Regarding economy-wide factors, production expansion considerably increased both EW use in Beijing, with the contribution degrees of 129.9% and 276.2%, respectively, and population expansion also played an important role in increasing EW use, with the contribution degree of 10.3% and 32.9%; while efficiency improvement and industrial structure adjustment led to much more water-saving of 261.7% and 145.1% than energy-saving of 56.6% and 5.6%, respectively. As to sector-wide factors, production expansion of industry and service sectors, and income improvement of urban household contributed to a considerable increase in both energy and water use, and the contribution degree are 58.3%, 65.7% and 28.5% for energy use as well as 61.0%, 79.8% and 22.8% for water use, respectively, whereas efficiency improvement of industry sector effectively curbed the increase of energy and water use, with the contribution degree of -50.5% and -76.7%, respectively. (3) The only trade-off between energy- and water-saving occurred in the efficiency improvement of the agriculture sector. (4) More attention should be paid to reducing EW use in the service and urban household sectors through efficiency improvement and behavior guidance for EW saving. (C) 2019 Elsevier Ltd. All rights reserved.
机译：这项研究建立了一个基于LMDI方法的综合分析框架，以从经济和整个行业的角度确定北京能源和水（EW）关系的驱动因素。值得注意的发现是：（1）服务业和城市家庭是能源使用量增长的最大原因，而农业部门在2002年至2017年北京用水量的大幅下降中起了主导作用。电子战关系的关键领域。 （2）经济因素和行业因素都对电子战的使用产生协同作用，尽管它们对节水的贡献远高于节水。在整个经济方面，北京的生产扩张大大增加了电子战的使用，贡献率分别为129.9％和276.2％，人口增长在增加电子战的使用中也发挥了重要作用，贡献度分别为10.3％和32.9％;而提高效率和调整产业结构则分别比节水56.6％和5.6％节省了261.7％和145.1％。就部门因素而言，工业和服务业的生产扩张，以及城镇居民的收入增加，使能源和水的使用量均大幅增加，其中能源使用率的贡献度分别为58.3％，65.7％和28.5％。用水效率分别为61.0％，79.8％和22.8％，而工业部门的效率提高有效地抑制了能源和用水的增长，贡献度分别为-50.5％和-77.6％。 （3）节能与节水之间的唯一权衡是农业部门效率的提高。 （4）应通过提高效率和节约电子行为的行为指导，更加注意减少服务和城市家庭部门的电子使用。 （C）2019 Elsevier Ltd.保留所有权利。

著录项

  • 来源
    《Journal of Cleaner Production》 |2019年第20期|1450-1464|共15页
  • 作者

    Li Hao; Lin Jiang; Zhao Yuhuan; Kang Jia-Ning;

  • 作者单位

    Beijing Inst Technol, Sch Management & Econ, Beijing 100081, Peoples R China;

    Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA|Univ Calif Berkeley, Dept Agr & Resource Econ, Berkeley, CA 94720 USA;

    Beijing Inst Technol, Sch Management & Econ, Beijing 100081, Peoples R China|Sustainable Dev Res Inst Econ & Soc Beijing, Beijing 100081, Peoples R China;

    Beijing Inst Technol, Sch Management & Econ, Beijing 100081, Peoples R China;

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  • 原文格式 PDF
  • 正文语种 eng
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  • 关键词

    Energy use; Water use; Nexus characteristics; Driving factors; LMDI; Beijing;

    机译：能量使用;用水;Nexus特征;驱动因素;LMDI;北京;

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