基于RS的成都市城市扩张监测与分析

Monitoring and Analysis of Urban Expansion of Chengdu City Based on RS

随着21世纪人口和经济的快速增长,城市扩张速度明显加快,如何快速获取城市的扩张信息并进行分析,对城市的规划和可持续发展具有十分重要的意义。采用监督分类方法对3个时相的成都市建成区进行提取,并分析比较。在此基础上,结合相关的统计数据分析,得出成都市城区的扩张与经济发展密切相关,人口增长与基础设施完善也起到了重要的驱动作用。

Along with the rapid growth of population and economy, the rate of urban expansion accelerated significantly. How to access and analyze the information of city＇s expansion fast were significative for urban planning and sustainable scientific development. The authors used supervised classification method to extract 3 years＇ built - up area of Chengdu to analyze and compare them. And then, combining with the relevant statistical data analysis, the result showed that the expansion of Chengdu was closely related with economic development. In addition, the population growth and improvement of the infrastructure were also important drivers.