摘要
利用GIS技术,建立甘肃少数民族人口重心研究的图形数据库和人口统计数据库,计算各主要民族人口重心及其移动轨迹,制作人口重心移动专题图件,并在此基础上对少数民族人口重心移动规律展开讨论。
Using GIS technology,this paper establishes database for graph and database for statistic population,which can meet the study of the minority population gravity center of Gansu.The gravity center positions of the main nationlities and their moving tracks are calculated.This paper also makes thematic map that indicates characteristics of the moving of the population gravity center.And based on it,the rules of the moving of the minority population gravity center are discussed.
出处
《测绘工程》
CSCD
2001年第3期41-43,共3页
Engineering of Surveying and Mapping
