人口区划及其在人口空间化中的GIS分析应用——以山东省为例

对基于土地利用/土地覆盖类型的人口空间化方法,进行人口区划的GIS分析应用是一有效技术途径。本文在全国一级区划基础上,通过数理统计分析提取二级区划各影响因子,建立二级区划指标,进而利用空间分析技术进行人口空间化的二级分区。同时以农村居民地、城镇居民地和耕地数据建立人口空间化模型,在GIS的支持下实现山东省2000年人口统计数据空间化。并通过对比基于一级人口区划和二级人口区划的人口空间化数据,选取郯城县进行结果精度检验。验证结果表明二级人口区划后的人口空间化数据在数值精度和空间精度上都有明显提高。

A Study on Class-2 Population Regionalization and Its Application to Population Spatial Distribution Based on GIS:A Case of Shandong Province

The ways of regionalization affect the precision of population distribution based land-use and land-cover directly.In this paper,the authors made use of math-statistics to choose the factors to design the index of class-2 regionalization,and then did class-2 population regionalization using the technique of spatial analysis.Based on it,population distribution was modeled according to data of the rural residential area,city residential area and cultivated land area,and then distributed the statistic population of Shandong province in 2000 in aid of GIS.Eventually,the precisions of the population distribution data were compared between class-1 and class-2 regionalization in Tancheng county.The result of comparison indicated that the precision of population distribution based on class-2 regionalization was improved both in numerical and spatial aspects.