基于POI数据的扬州市消费服务设施空间格局分析

Spatial Pattern Analysis of Consumer Service Facilities in Yangzhou Based on POI Data

摘要: 消费服务设施是影响城市经济发展的重要引擎，本研究基于兴趣点(POI)数据，采用空间数据分析工具中的变异系数、平均最近邻指数、核密度分析和相关性分析等方法，对扬州市消费服务设施的空间格局进行研究，总结消费服务设施在城市空间的布局特征，并探讨其影响因素。结果表明：1) 扬州市消费服务设施在空间分布上总体表现出聚集特征。2) 各类消费服务设施在整体空间上的分布差异相对明显。3) 人口密度、道路十字节点密度、路网密度与消费服务设施的分布密度存在显著相关性。

Abstract: The consumption service facilities (CSFs) are the important engine of urban economy development. This study selected the point of interest (POI) data, and adopted the methods of coefficient of variation, average nearest neighbor index, kernel density analysis and correlation analysis to analyze the spatial characteristics of the CSFs of Yangzhou based on the spatial data analysis tool. The spatial distribution and the influence factors of the CSFs were concluded. The results are as follows: 1) The spatial distribution of consumer service facilities in Yangzhou is characterized by aggregation. 2) The distribution differences of various consumer service facilities in the selected research area are relatively obvious. 3) The population density, the road cross node density and the road network density have good correlation with the distribution density of consumption service facility.