人口数据空间化的处理方法
收稿日期: 2002-05-17
修回日期: 2002-10-21
网络出版日期: 2002-12-25
基金资助
中科院知识创新工程重要方向性项目(KZCX2-308-4); 国家“十五”攻关课题 (2001-BA608B-03)
Method of Pixelizing Population Data
Received date: 2002-05-17
Revised date: 2002-10-21
Online published: 2002-12-25
Supported by
Knowledge Innovation Project of Chinese Academy of Sciences, No.KZCX2-308-4;National Key Project of the Tenth-Five Year Plan, No.2001-BA608B-03)
杨小唤,江东,王乃斌,刘红辉 . 人口数据空间化的处理方法[J]. 地理学报, 2002 , 57(7s) : 70 -75 . DOI: 10.11821/xb20027s010
This paper discusses particularly the method and process of pixelizing the statistical population data. Firstly, the regionalization of spatial population distribution is finished. Secondly, the models of spatial population distribution based on the data of land use and land cover deriving from Landsat TM is established to calculate the population coefficient dwelling on different types of land use. Thirdly, the 1-km gridded population data supported by GIS is calculated. Then the results were modified according to DEM and inhabitant place map. Of course the sub-area data sampling randomly from the first class regions tests the precision of the results.
Key words: population; data; pixelizing
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