基于国省道数据的江苏省交通可达性研究  

Research on Traffic Accessibility of Jiangsu Province Based on National and Provincial Road Data

作　　者：朱晨曦[1] 晏王波[2] ZHU Chenxi

机构地区：[1]江苏省土地勘测规划院,江苏南京210098 [2]江苏省测绘研究所,江苏南京210098

出　　处：《地理空间信息》2019年第12期1-3,I0001,共4页Geospatial Information

基　　金：国家自然科学基金资助项目(41201394);江苏省测绘地理信息科研项目(JSCHKY201622)

摘　　要：以江苏省域国省道路网数据为研究对象,从等时圈、可达时间等角度进行可达性分析,综合分析了全省交通可达空间分布特征。研究结果表明:①2005~2015年,设区市等时圈变化主要集中在江苏沿海;②全省绝大部分区域(83.49%)位于南京4.0 h等时圈辐射范围内,苏南地区全部位于南京3.0 h等时圈辐射范围;③2005~2015年间,省会南京与各县(区、市)的交通通达能力越来越强。Taking the national and provincial road network in Jiangsu Province as the research object,we analyzed the accessibility from isochronous circle and reachable time,and comprehensively analyzed the spatial distribution characteristics of the provincial traffic.The results show that①from 2005 to 2015,the changes of the cities are mainly concentrated in the coastal areas of Jiangsu.②The vast majority of the province(83.49%) are located in the four-hour isochronous circle radiation range in Nanjing,and southern of Jiangsu Province is located in the three-hour isochronous circle radiation range in Nanjing.③From2005 to 2015,the traffic accessibility of Nanjing and counties(districts,cities) are getting stronger and stronger.

关 键 词：空间分析 交通可达性分析 江苏省 

分 类 号：P208[天文地球—地图制图学与地理信息工程]