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机构地区:[1]东北师范大学地理科学学院,长春130024 [2]中国城市建设研究院,北京100120
出 处:《干旱区资源与环境》2016年第11期70-76,共7页Journal of Arid Land Resources and Environment
基 金:国家自然科学基金(40371040)资助
摘 要:以地处黄土高原的石油化工城市兰州市为研究对象,通过建立一系列的评价指标体系,应用熵值法计算城市脆弱性指数,并从生态环境、经济、社会三个方面深入分析兰州市脆弱性的时空变化特征以及影响脆弱性变化的内部原因。研究发现兰州市脆弱性长期处于中等偏高的状态,虽然随着经济快速发展,脆弱性逐渐降低,但问题尚存。生态环境的改善并没有与经济发展相适应,以牺牲环境为代价的粗放式经济发展模式依然存在。据此有针对性地提出未来兰州市的发展必须是以经济、环境、社会相协调的精明增长模式。This research calculated the vulnerability index of urban by using entropy method and established the evaluation index system. The internal causes of temporal and spatial variation characteristics of vulnerability from the three aspects of ecological environment,economy and society were analyzed to explore the impact of vulnerability factors and the roles of these factors in the city. Then a direction of the city planning and urban construction in principle was given. The ultimate goal of urban vulnerability assessment is understanding the urban problems,building a city with an elastic property. It was found that the vulnerability of Lanzhou has long been to a medium high state. Although the vulnerability gradually reduced with the rapid economic development,the problem still exist. The improvement of the ecological environment is not commensurate with the economic development. The development model which is at the expense of the environment still exists. At last,it was proposed that we must choose the smart growth model which can promote economy,environment and society coordinated.
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