区域物质流动对循环经济的影响——以西南地区为例

IF 2.7 4区 环境科学与生态学 Q3 ENERGY & FUELS
Minxi Wang, Lu Chen, Lu Liu, Rui Zhang, Hong Cheng, Xin Li, Hao Su
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引用次数: 1

摘要

循环经济有利于解决环境与发展的矛盾。本研究将人类社会的物质流动与区域循环经济评价相结合。通过DEA和秩和比相结合的评价方法,从纵向和横向两个层面(时间层面和空间层面)对该地区循环经济发展水平进行评价。结果表明:(1)从物质投入来看,直接物质投入、物质总需求和物质总消耗均呈上升趋势。整体资源投入比较大。(2)在物质产出方面,排放呈增加趋势。但增长速度相对较慢。减排效果显著。资源产出率呈持续增长趋势。经济发展对大量消耗自然资源的依赖程度降低。(3)物资流通方面,西南地区省外自然资源进口量增加。固体废物回收率不高。(4)从评价结果来看,四川省循环经济发展水平相对稳定。其次是重庆和贵州。然而,云南的发展水平波动很大。西南地区的物质消耗率高于经济增长率。资源投入和资源消耗仍然较大。虽然部分环境指标有所改善,但西部地区未来经济发展中仍存在严重的资源环境问题需要引起重视。©2023化学工业协会和John Wiley &儿子,有限公司
本文章由计算机程序翻译,如有差异,请以英文原文为准。
The impact of regional material flows on circular economy: A case study of southwest China

Circular economy is beneficial to solve the conflict between the environment and development. The study combines the material flow in human society with the evaluation of the regional circular economy. Through the evaluation method combining DEA and rank-sum ratio, the development level of circular economy in this area is evaluated from both vertical and horizontal perspectives (time level and space level). The result shows: (1) from the point of view of material input, direct material input, total material demand and total material consumption all show an upward trend. The overall resource input is relatively large. (2) In terms of material output, the emission is increasing. But the growth rate is relatively slow. The emission reduction effect is outstanding. The resource output rate showed a continuous growth trend. Economic development is less dependent on the massive consumption of natural resources. (3) In terms of material circulation, the import volume of natural resources outside the province in the southwest region increased. Solid waste recycling is not high. (4) Judging from the evaluation results, the development level of Sichuan's circular economy is relatively stable. Followed by Chongqing and Guizhou. However, the level of development in Yunnan fluctuates greatly. The material consumption rate in Southwest China is higher than the economic growth rate. Resource input and resource consumption are still relatively large. Although some environmental indicators have improved, there are still serious resource and environmental problems in the future economic development of the western region that need to be paid attention. © 2023 Society of Chemical Industry and John Wiley & Sons, Ltd.

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来源期刊
Greenhouse Gases: Science and Technology
Greenhouse Gases: Science and Technology ENERGY & FUELS-ENGINEERING, ENVIRONMENTAL
CiteScore
4.90
自引率
4.50%
发文量
55
审稿时长
3 months
期刊介绍: Greenhouse Gases: Science and Technology is a new online-only scientific journal dedicated to the management of greenhouse gases. The journal will focus on methods for carbon capture and storage (CCS), as well as utilization of carbon dioxide (CO2) as a feedstock for fuels and chemicals. GHG will also provide insight into strategies to mitigate emissions of other greenhouse gases. Significant advances will be explored in critical reviews, commentary articles and short communications of broad interest. In addition, the journal will offer analyses of relevant economic and political issues, industry developments and case studies. Greenhouse Gases: Science and Technology is an exciting new online-only journal published as a co-operative venture of the SCI (Society of Chemical Industry) and John Wiley & Sons, Ltd
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