吉林省新型城镇化格局的空间演变分析

Analysis on Spatial Evolution of New Urbanization Pattern in Jilin Province

运用空间自相关指数、平均增长指数和空间变差函数,分析吉林省新型城镇化格局的空间演变特征.结果表明：吉林省新型城镇化发展的离散特征明显,热点区相对稳定,中部长吉地区是热点,东西两端始终是冷点或次冷点的低值簇;新型城镇化增长的空间自相关性突出,热点区跃迁幅度不大,1995 年～2003 年呈团块状聚集于吉林省西部地区,2003 年～2012 年呈现“双组团”结构;新型城镇化格局演化存在一定的规律性和延续性,空间自组织性增强,均质度有所提高,“中高周低”的极化现象愈发显著,大城市的辐射涓滴作用减弱.最后,从新型城镇化的内在要求、区域战略政策和经济产业基础探讨新型城镇化格局演化的驱动机制.

Taking the Jilin province as a case, new urbanization level as the measuring indicator, this article used spatial autocorrelation index, average growth index and variogram to study the spatial evolution in 1995, 2003 and 2012. Conclusions are drawn as follows: The discrete feature of new urbanization development is significant, and the hotspot is stable relatively. The hotspots of new urbanization development mainly centralizein the Changchun-Jilin area, and the cold spots cluster in the western and eastern region of Jilin province; The new urbanization growth shows a strong trend of spatial autocorrelation, and the hotspot areas switch slowly. The high values gather in the western of Jilin province with clump during the period of 1995-2003, and there are “two cores”from 2003 to 2012; The continuity and self-organization of new urbanizationpattern tends to be enhancing, whereas the random components of the spatial disparity pattern keeps decreasing over time, and the polar phenomenon which taking Changchun-Jilin area as center is obvious, the radiation function of big cities is weakening. Finally, the three driving forces of new urbanization framework evolvement in Jilin province have been drawn: internal requirement of new urbanization, regional strategic policy and economic and industrialfoundation.