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基于ESDA全局和局部空间自相关分析,利用甘肃省1992～2006年县域人均GDP数据,对甘肃省县域总体和局部空间差异的变化趋势、特征与成因进行了初步探索。结果表明:甘肃省经济空间自相关特性明显,经济发展水平相似的地区在空间上集聚分布,呈现出“哑铃”形的空间格局,即经济发达地区集中分布在河西地区,经济发展水平较低的地区集中分布在陇中、陇南、陇东地区。
Based on the ESDA global and local spatial autocorrelation analysis, this paper uses the data of per capita GDP of Gansu Province from 1992 to 2006 to make a preliminary exploration of the trends, characteristics and causes of the overall and local spatial disparities in Gansu Province. The results show that the economic spatial autocorrelation of Gansu Province is obvious and the areas with similar level of economic development are clustered in space, presenting a spatial pattern of “dumbbell” shape. That is, the economically developed areas are concentrated in the Hexi area and the economic development level is relatively Low concentrated in the distribution of Longzhong, Longnan, Longdong area.