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Vulnerability of Large City and Its Implication in Urban Planning: A Perspective of Intra-urban Structure

查看全文 作  者:XIU [1]Chunliang;CHENG [1]Lin;SONG [2]Wei;WU [1]Wei 高影响力作者 机构地区:[1]School of Urban and Environmental Sciences, Northeast Normal University, Changchun 130024, China;[2]Department of Geography and Geosciences, University of Louisville, Louisville, K Y40292, USA高影响力机构 出  处:《Chinese Geographical Science》索引2011年第21卷第2期,共7页高影响力期刊 基  金:Under the auspices of National Natural Science Foundation of China (No. 40635030) 摘  要:Vulnerability is a new field and analytical tool in the study of urban safety. Analysis and assessment of vulnerability provide a new basis for urban planning. This study constructed a quantitative index system for assessing vulnerability, based on the city′s sensitivity and emergency response capacity. City size, density, and spatial form influence a city′s sensitivity to crises and risks, to which vulnerability is positively related. Levels of socio-economic development, infrastructures, and emergency management contribute to a city′s emergency response capacity, with which vulnerability is inversely associated. Vulnerability of 19 large Chinese cities was assessed. Harbin and Shenzhen demonstrated the highest and lowest vulnerability among 19 cities, while Beijing, Shanghai and Guangzhou ranked the 5th, the 9th and the 12th. Spatially, northern cities tended to be more vulnerable than southern cities. And the differences in vulnerability among cities were explored based on cities′ physical geography conditions, level of socioeconomic development, infrastructures, regional status, history of disaster, history of urban planning and development, government policies, etc. 关 键 词:城市规划 脆弱性分析 城市空间形态 经济发展水平 基础设施 结构 定量指标体系 自然地理条件
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