摘要
基于西安市1985—2007年人口数据,运用GIS技术从人口空间关联模式、人口密度、人口重心、人口集中指数等方面对西安市人口空间分布进行了分析,得出:(1)西安市人口空间分布在整体上有显著的空间聚集模式,在局部空间分布上表现为中心城区呈现高度的集聚状态,带动周边城区的人口增长;(2)西安市人口持续增长,但各区县增长速度表现不一,主城六区的人口增长比较迅速,而近城区和远城区的增长比较缓慢;(3)人口密度在地域上有明显的差异性,表现为西安市中心城区人口最为密集,环绕中心城区的区县逐渐减少;(4)西安市人口重心随时间而变化,且变动速度有快慢之分,变动方向大致分为西北和东北两个方向.
Based on demographic data in Xi′an city from 1985 to 2007,spatial distribution of population in Xi′an city was analyzed by GIS from spatial connection patterns,population density,gravity center of population,index of population concentration.Results showed that：（1） population distribution in Xi′an city significantly shows space assembling pattern on the whole,where in the part shows highly concentrated state in the city center,driving population growth in the peripheral urban;（2） the population increases continuously in Xi′an city,but growth speed is different among counties;the population in the center six areas increases quickly,while slowly in the near and far from the city;（3） population density is obviously distinct in spatial,which appears dense in the center and gradually sparse in the county around downtown area;（4） the gravity center of population changes with time,and change speed is different;the change direction can be divided into the northeast and northwest.
出处
《陕西师范大学学报（自然科学版）》
CAS
CSCD
北大核心
2011年第3期78-83,共6页
Journal of Shaanxi Normal University：Natural Science Edition
基金
国家自然科学基金资助项目(41001388
41071057)
西安市科技计划软科学项目(SF1013(2))
中央高校基本科研业务费专项资金项目(GK200902023)
关键词
人口
空间自相关
空间分布
人口重心
西安市
population
the spatial auto-correlation
spatial distribution
gravity center of population
Xi′an city
