地理空间信息2024，Vol.22Issue(5)：41-44,48,5.
考虑供需比的出租车可达性评价研究
Research on Taxi Accessibility Evaluation Considering Taxi Supply-Demand Ratio
摘要
Abstract
Taxi is an important part of urban public transportation system.Taking the Fifth Ring Road area of Beijing as research area,consider-ing traffic competition,and referencing to the idea of supply-demand ratio in the 2SFCA method,we used the taxi trajectory data to calculate the taxi accessibility based on the cumulative opportunity method,and compared two scenarios with or without considering supply-demand ratio by using Getis-Ord Gi*index and variable coefficient.The results show that①the spatial distribution of taxi accessibility in research area is charac-terized by high center and low periphery,and high unit grids connecting the ring road.②After considering supply-demand ratio,the unit grids with high reduction rate of taxi accessibility are mainly located outside the Third Ring Road.The increase of variation coefficient indicates that the increase of numerical distribution difference and the calculation of accessibility without considering supply-demand ratio will underestimate the spatial inequality.③Before and after considering supply-demand ratio,the hotspots of taxi accessibility are mainly clustered in bustling business districts,employment centers and transportation hubs with high passenger flow.The coldspots disappear completely with considering supply-demand ratio.关键词
出租车可达性/供需竞争/出租车轨迹数据/累积机会法Key words
taxi accessibility/supply-demand competition/taxi trajectory data/cumulative opportunity method分类
天文与地球科学引用本文复制引用
刘秉鑫,戴特奇,刘庆芳,李梓桐..考虑供需比的出租车可达性评价研究[J].地理空间信息,2024,22(5):41-44,48,5.基金项目
国家自然科学基金资助项目(42071152). （42071152）
