1990年以来长春市居住空间扩展特征与动力机制

The Extension Characteristics and Dynamic Mechanisms of Residential Space in Changchun since 1990

利用1995、2003、2008年长春市土地利用现状图,以及2011年长春市卫星影像和相关年份统计年鉴,借助于ArcGIS软件和SPSS统计工具,运用多种计量方法,对1990年以来长春市居住空间扩展特征进行研究,结果表明:1在扩展方式上,长春市居住空间总体以"飞地式+轴带式"扩展为主,但各个时期具有不同的扩展特点;2在扩展方向上,长春市居住空间整体经历了"西南、南、东南方向—西北偏北、南部—东北方向"的空间变化过程;3在演化特征上,长春市居住空间主要集中于城市核心区,但居住空间梯度推移趋势显著,郊区化特征显现。在上述研究结果的基础上,构建了长春市居住空间扩展的动力机制指标评价体系,认为其动力机制包括工业化的大力推动、经济发展水平的提高、交通条件的改善、政府的调控作用、土地制度的改革以及城市规划作用。

Based on the 1995, 2003, 2008 years＇ land utilization present situation chart, the 2011 year remote sensing images of Changchun city and related statistical yearbook, combining with GIS sot%vare and SPSS statistical tools, utilizing various measure methods, this article mainly studies on the extension characteristics of residential space in Changchun city. The conclusions show that：（1）The overall extension mode of residential space is given priority to ＂enclave type -~ shaft type＂, but different stages have different characteristics;（2）The whole development of residential space has experienced large-scale development process in different directions and stages;（3）At the present stage, the residential space is mainly focused on the core area of Changchun city, but the characteristic of gradient distribution has appeared significantly and the suburbanization has already occurred. On the basis of the above research, the paper builds the index evaluation system of the dynamical mechanism of residential space extension and uses a method of the qualitative and quantitative analysis to study the influence degree of the specific factors force. Its dynamic mechanisms including the push of industrialization, the increase of the level of economic development, the improvement of traffic conditions, the regulation of government, the reform of land system and the function of the urban planning.