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《Geomatics & Spatial Information Technology》 2017-11
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Comprehensive Accessibility and Spatial Characteristics of Road Network in Hubei Province

YIN Chao-hui;LIU Yan-fang;SHI Ying-yi;School of Resource and Environmental Sciences,Wuhan University;Ministry of Education Key Laboratory of Geographic Information System,Wuhan University;  
Road network accessibility is an important aspect of the construction of regional transportation system. Based on the GIS technology,this paper calculated the economic linkage index and road weighted kernel density index,and constructed the comprehensive accessibility index through gravity measurement and weighted kernel density model to analyze the distribution of comprehensive accessibility and its spatial characteristics in 103 of counties Hubei province. The results show that among 103 counties of Hubei province( 1) economic linkage index is highest in Wuhan City,which similar to the spatial pattern and the " 1 + 8 Wuhan city circle" economic development pattern;( 2) the road weighted kernel density index in Dongxihu District of Wuhan city in Hubei province is the highest. In general,the Middle East area is higher than that of the western region with a decreasing ring;( 3) The highest comprehensive accessibility of road network includes Qiaokou District,Hanyang District,Jiang'an District,Jianghan District,and Dongxihu District while Xianfeng County,Hefeng County,Zhuxi County,Fangxian and Shennongjia forest region holds poor comprehensive accessibility. The comprehensive accessibility index of the road network in the area turns out significantly different. This paper fills up the current domestic research on the accessibility of the provincial road network,providing a reference for the construction and layout optimization of the road network in Hubei province.
【Fund】: 国土资源部公益性行业科研专项项目(201511001)资助
【CateGory Index】: P208;U491
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