Gridded Population of the World, Version 4 (GPWv4): Population Density, Revision 10
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下载链接：
https://beta.sedac.ciesin.columbia.edu/data/set/gpw-v4-population-density-rev10
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资源简介：
The Gridded Population of the World, Version 4 (GPWv4): Population Density, Revision 10 consists of estimates of human population density based on counts consistent with national censuses and population registers, for the years 2000, 2005, 2010, 2015, and 2020. A proportional allocation gridding algorithm, utilizing approximately 12.5 million national and sub-national administrative units, is used to assign population values to 30 arc-second (~1 km) grid cells. The population density grids are derived by dividing the population count grids by the land area grids. The pixel values represent persons per square kilometer.
提供机构：
Palisades, NY: NASA Socioeconomic Data and Applications Center (SEDAC)
创建时间：
2017-12-20
