低碳视角下的城市圈土地可持续利用评价
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中央高校基本科研业务费专项基金项目"基于碳排放约束的武汉城市圈土地利用配置研究"(2013SC32)


Sustainable Land Use Evaluation for Urban Agglomerations from Perspective of Low Carbon
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    摘要:

    资源环境与经济发展的矛盾日益突出,低碳视角下的资源节约集约利用是增强发展可持续性的根本途径。以武汉市为例,采用文献资料法等结合已有研究成果,立足低碳视角,与城市圈土地利用特点相结合,建立低碳视角下的城市圈土地可持续利用评价指标体系。综合CSDEA(指标凝聚法)和熵值法对各指标值进行分析综合,在获得评价结果后进一步计算得到各评价对象的改进方案。结果显示,黄石市、黄冈市、咸宁市、潜江市为土地可持续利用CSDEA有效,仙桃市、天门市、孝感市、武汉市、鄂州市为土地可持续利用CSDEA无效,综合评价值分别为0.9849,0.9791,0.9725,0.9574,0.8082,评价值最低的是鄂州市,在地均农业产值等9个指标上均存在不足,需要降低的指标包括农村恩格尔系数、地均碳排放量等,其中地均碳排放量应降低97.33 t/hm2。综合来看鄂州市仍需较大提升。评价结果和改进方案客观反映了城市圈土地利用的现状和不足,经济发展应更加注重对环境的保护和资源的节约和集约利用,不断提高可持续发展能力。

    Abstract:

    The contradictions between resource and economic development have become increasingly prominent. Resource saving and its intensive use from the perspective of low carbon is a fundamental approach to enhance the ability of sustainable development. Taking Wuhan City as a study area, By literature referring method, the low-carbon perspective was combined with the land use characteristics of urban agglomeration to establish a sustainable land use evaluation index system. Integration of CSDEA(indicators coacervation) with entropy method was used to analyze each index value and get comprehensive evaluation result. An improvement program was obtained by further calculations. Results show that Huangshi, Huanggang, Xianning, Qianjiang Cities are relatively effective in the CSDEA of sustainable land use, while Xiantao, Tianmen, Xiaogan, Wuhan, Ezhou Cities are ineffective, with comprehensive evaluation values of 0.9849, 0.9791, 0.9725, 0.9574, 0.8082, respectively. The evaluation value is the lowest for Ezhou City that has nine big shortage indicators such as agricultural production. Indicators for Ezhou City needed to be reduced include the rural Engel coefficient, garbage transport volume and other five indicators, of which carbon emissions should be reduced to 97.33t/hm2. Overall, Ezhou City should be greatly improved in sustainable land use. The evaluation results objectively reflect the status and lack of urban agglomerations land use and improvement program. In economic development, more attention should be paid to environmental protection and intensive and economical resource utilization and continuously improve the capacity for sustainable development.

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员开奇,董捷.低碳视角下的城市圈土地可持续利用评价[J].水土保持通报,2014,(1):226-231,236

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  • 收稿日期:2013-03-07
  • 最后修改日期:2013-05-01
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  • 在线发布日期: 2016-03-29
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