安徽省区域经济格局时空演变研究

利用统计分析和探索性空间自相关分析方法(ESDA),在ArcGIS和GeoDA软件的支持下,以县、县级市和设区市市辖区为研究单元,以人均GDP为测度指标,从时间、空间、关联性3个侧面,对1997—2009年安徽省区域经济格局时空演变进行分析,得到以下结论:(1)从时间演变过程来看,安徽省区域经济绝对差异持续扩大,相对差异波动性扩大。(2)从空间演变过程来看,安徽省区域经济发展格局经历了阶段性演化,分别呈现出"条带状"、"串珠状"以及"⊥"字型和"U"字型交织的空间格局。(3)从空间关联性来看,经济发展的整体关联性较弱,表明区域发展的空间相互作用并不显著,近年来,部分发达地区对周边地区的辐射带动效应开始显现,空间关联性有所增强。研究表明:区域经济空间格局除了与自身发展条件、历史基础以及区域空间相互作用有关外,还受到区域发展政策的较大影响。

Spatio-temporal Evolution of Regional Economic Pattern in Anhui Province

This paper took per capita GDP indications at county level to analyze spatial-temporal evolution of regional economic pattern in Anhui Province during 1997—2009,by statistical analysis and ESDA,which could be realized by ArcGIS 9.2 and GeoDA 9.5.It comes to the conclusions from three sides of time series,spatial series and spatial autocorrelation,as follows: The absolute economic disparities at county level had enlarged continually,while the relative disparities showed volatility expansion,overall relevance of economic development was weak,all of these indicated that the spatial interaction of regional development is unapparent.By 2005,radiation effects had been apparent,it revealed the spatial correlation had been enhanced.In the evolution of spatial pattern,the spatial pattern of regional economic development in Anhui Province had gone through a severe reconstruction process,and shown three different spatial patterns,which were the "banded" shape,the "beaded" shape,and the interwoven of "⊥" shape and "U" shape.