2011 , Vol. 30 >Issue 5: 635 - 640

• 北京大学城市与环境学院土地科学中心/地表过程分析与模拟教育部重点实验室, 北京 100871

修回日期: 2011-04-01

网络出版日期: 2011-05-25

Spatial Down-scaling Analysis and Simulation of Population Density in Maotiaohe Basin, Guizhou Province

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• College of Urban and Environmental Sciences, the Center for Land Study, Peking University; Laboratory for Earth Surface Processes, the Ministry of Education, Beijing 100871, China

Revised date: 2011-04-01

Online published: 2011-05-25

### Abstract

Population census is based on administrative unit, therefore, the data accuracy can not meet the higher resolution analysis of the spatial structure and is difficult to match the data of physical elements in a comprehensive analysis of geographic features. Thus, spatialization of population density becomes an important research direction in geography. Based on the statistical population data of villages in the Maotiaohe basin, this research first analyzed the relationship between population density and spatial factors, and then established a spatial down-scaling model of population density by means of multiple variables regression analysis and GIS technique. The correlation coefficient between population density and spatial factors is 0.577. For testing and verifying the model, we calculated the population of every village with modeling results and compared it with statistical data. The correlation coefficient almost reached 1. The result shows that the main spatial factors of population density are the built-up area, farmland index and the distance to road.

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