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SPATIALIZATION MODEL OF POPULATION BASED ON dataset OF LAND USE AND LAND COVER CHANGE IN CHINA

Chinese Geographical Science 2002年第2期12卷 114-119页

作者： ZHUANGDa－fang LIUMing－liang 等 InstituteofGeographicSciencesandNaturalResourcesResearch theChineseAcademyofSciencesBeijing100101P.R.China InstituteofGeographicSciencesandNaturalResourcesResearch theChineseAcademyofSciencesBeijin

The spatialization of population of counties in China is significant. Firstly, we can gain the estimated values of population density adaptive to different kinds of regions. Secondly, we can integrate effectively population data with other data including natural resources, environment, society and economy, build 1km GRIDs of natural resources reserves per person, population density and other economic and environmental data, which are necessary to the national management and macro adjustment and control of natural resources and dynamic monitoring of population. In order to establish population information system serving national decision making, three steps ought to be followed:1) establishing complete geographical spatial data foundation infrastructure including the establishment of electric map of residence with high resolution using topographical map with large scale and high resolution satellite remote sensing data, the determination of attribute information of housing and office buildings, and creating complete set of attribute database and rapid data updating; 2) establishing complete census systems including improving the transformation efficiency from census data to digital database and strengthening the link of census database and geographical spatial database, meanwhile, the government should attach great importance to the establishment and integration of population migration database; 3) considering there is no GIS software specially serving the analysis and management of population data, a practical approach is to add special modules to present software system, which works as a bridge actualizing the digitization and spatialization of population geography research.

关键词： spatialization models population models lucc dataset populationspatialization deqing county

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