重庆都市区环境压力与经济发展退耦研究
Decoupling between Environmental Pressures and Economic Growth in Chongqing Metropolitan Area
查看参考文献29篇
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文摘
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在简介环境压力与经济发展退耦理论的基础上,以重庆都市区为例,构建环境压力与经济发展耦合的PSR框架,应用退耦分析方法建立环境压力与经济发展退耦的指标体系,并对1996-2007年重庆都市区环境压力与经济发展退耦状态及趋势进行了评价.结果显示:①在相邻年度间各指标退耦比较普遍,相对和绝对退耦发生率达88%,但退耦程度在指标间和时间上有明显差异,各指标退耦指数在-4.990 6~4.887 8之间波动,且2000年以后退耦更明显;②2007年与1996年比较,综合退耦指数达0.845 3,呈明显的相对退耦状态,而且在1996-2007年间综合退耦持续发生;③评价结论符合重庆都市区环境状况与经济发展的客观实际,将退耦分析作为环境压力评价的方法论具有重要的实践意义. |
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其他语种文摘
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In the context of increasing environmental and resources pressures in Chinese economic development, it is significant to carry out studies on the decoupling relationship between environmental pressure and economic growth and the pathways to realize the decoupling. This paper introduces the decoupling method for environmental pressure assessment, modifies the Pressure-State-Response framework for the environmental indicator selection and proposes the detailed indicators for decoupling assessment. In addition, the paper evaluates the states and trends of the relationship during 1996-2007 in Chongqing Metropolitan Area. The results are as follows: 1) Decoupling between environmental pressures and economic growth occurred at 88% in the proximate two years, among them, relative decoupling accounted for 51% and absolute decoupling 37%. The rest 12% of no decoupling means the coupling relation between economic growth and environmental pressure. Decoupling indexes range from -4.990 6 to 4.887 8 with obvious variations between the indicators in the temporal scale. The decoupling degrees switch from no decoupling to slight relative decoupling, to little relative decoupling, to relative decoupling, to evident relative decoupling, and finally to absolute decoupling. No decoupling mainly happens before the year of 2000 and relative/absolute decoupling occurs after 2000. 2) Comparing the situations in 2007 to that in 1996, the comprehensive decoupling index of 0.845 3 indicates evident relative decoupling, moreover, the comprehensive decoupling occurs continually from 1996 to 2007. These conclusions indicated the less pressures of economic growth on the resources and environment, i.e. economic sustainability is strengthened. 3) The results are in accord with the actual environmental and economic growth situations in Chongqing. Therefore, it is reasonable to study the environmental pressures by using the decoupling method. |
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来源
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自然资源学报
,2010,25(1):139-147 【核心库】
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关键词
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环境压力
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经济发展
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退耦指标体系
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退耦指数
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重庆都市区
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地址
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1.
重庆师范大学,地理科学学院, 重庆, 400047
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重庆师范大学,旅游学院, 重庆, 400047
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1000-3037 |
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学科
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环境科学基础理论;社会与环境 |
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基金
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重庆市教委人文社科研究项目
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重庆市人文地理学重点学科科研项目
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文献收藏号
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CSCD:3822150
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