甘肃省县域经济差异变动的空间分析

SPATIAL ANALYSIS OF ECONOMIC DISPARITIES OF COUNTY LEVEL IN GANSU PROVINCE

以甘肃省县域单元为研究对象,综合运用SPSS、GeoDA和ARCGIS 9.2软件,对甘肃省县域经济发展时空差异分析后发现:甘肃省各县整体发展比较落后且经济发展差异有拉大趋势;县域经济发展水平呈现出西高东低,北高南低的趋势;1999—2008年甘肃省县域人均GDP中心,位于肃南县并向西北移动;空间聚集特征明显,经济发达地区位于河西地区;按照2008年甘肃省各县经济发展水平综合指数,甘肃省各县可分为经济发达地区、经济较发达地区、经济欠发达地区和经济不发达地区;1999—2008年人均GDP平均增长速度和相对发展率表明,河西地区发展速度明显快于其它地区。

This paper intends to discuss economic development disparities by taking the counties of Gansu as a research object,based on the per capital GDP and other relative economic index in Gansu,this paper calculates the general score of county economic level by using SPSS,and analyzes the time-space disparities of county economic level in Gansu by means of ARCGIS 9.2 and GeoDA.Based on study on evolution of economic development disparities,this paper draws some conclusions as follows.The overall level of economic development is fairly backward and the economic development disparities expand largely.The economic development trend is west and north areas are more developed than the east and south areas.From 1999 to 2008,the center of per capita GDP locates in Sunan and moves to the northwest.Spatial aggregate characteristics is obvious,the economic developed region locates in Hexi.Accord to the general score of county economic level,the county in Gansu can be divided into four types： economic developed region,the comparatively developed area,the undeveloped region and under-development area.From 1999 to 2008,per capital GDP average growth and Nich indicates that the development in Hexi region is faster than others.