安徽农业科学Issue(2)：248-250,290,4.
绵阳市城市扩展及其驱动力分析
Urban Expansion of Mianyang City and Analysis of Its Driving Force
摘要
Abstract
With remote sensing image as the data sources,the expansion information of built-up area in Mianyang City was extracted in seven periods by GIS spatial overlay analysis technology and multi-factor comprehensive analysis function.Combining with the economic and social data in Mianyang City,the expansion situation of built-up area in Mianyang City was analyzed from the aspects of expansion quantity,expan sion form,expansion rationality,and expansion space.With natural factor,economic and industrial structure and other factors as the indexes,driving force for the urban expansion of Mianyang City was analyzed.Results showed that the built-up area in Mianyang City increased by 126.27 km2 from 1985 to 2014.With the central area as the center,Mianyang City showed multi-direction extensive expansion in 1985-1995,multi-direction gallery expansion in 1995-2010,and mainly internal structure adjustment in 2010-2014.Both economic development and population were the determinants of urban expansion in Mianyang City.This research provides decision basis for the government,and offer guidance for the urban planning and ecological protection in Mianyang City in future.关键词
城市扩展/驱动力分析/GIS/绵阳市Key words
Urban expansion/Driving force analysis/GIS/Mianyang City分类
农业科技引用本文复制引用
曹琦,韩元明..绵阳市城市扩展及其驱动力分析[J].安徽农业科学,2016,(2):248-250,290,4.基金项目
西南科技大学博士研究基金项目(14zx7133). （14zx7133）
