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利用六个年份新疆各县级行政单元人均GDP数据,提取县级行政中心的几何中心,通过地统计分析建立了县级行政单元人均GDP表面模型,在此基础上进行了人均GDP空间分布相关与变异分析。结果表明:(1)新疆各县、市人均GDP在特定方向上有一定的空间趋势。(2)自1949年始,新疆县域经济的空间相关性是逐渐增强的;至2008年,经济发展水平已达到强的空间相关性。随机因素对新疆各县、市的经济发展水平的空间变异的作用越来越小;一些特定的客观因素的内在机制的作用越来越大。(3)新疆县域经济格局由1949年的相对均衡状态逐步演变为越来越集中分布的格局。(4)上述关于新疆县域经济的空间相关及变异特征的判断,对于揭示其空间格局演变的机制提供了可行性支持。
Using the per capita GDP data of each county administrative unit in Xinjiang in six years, the geometric center of the county administrative center is extracted, and the per capita GDP surface model of the administrative unit at the county level is established by geostatistical analysis. Based on this, the spatial distribution of per capita GDP is correlated with Variation analysis. The results show that: (1) GDP per capita in all counties and cities in Xinjiang has a certain spatial trend in a certain direction. (2) Since 1949, the spatial correlation of Xinjiang’s county economy has gradually increased; by 2008, the level of economic development has reached a strong spatial correlation. The effect of stochastic factors on the spatial variability of the economic development levels of counties and cities in Xinjiang is getting smaller and smaller; the internal mechanism of some specific objective factors is playing a more and more important role. (3) The county economic pattern in Xinjiang gradually evolved from a relatively balanced state in 1949 to an increasingly centralized pattern. (4) The above-mentioned judgment on the spatial correlation and variation characteristics of county economy in Xinjiang provides feasible support for revealing the mechanism of its spatial pattern evolution.