哥伦比亚大学国际地球科学信息网络中心 (CIESIN)。2018 年。Gridded Population of the World, Version 4
(GPWv4): National Identifier Grid, Revision 11. Palisades, NY: NASA Socioeconomic Data
and Applications Center (SEDAC). https://doi.org/10.7927/H4F47M2C.
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[[["易于理解","easyToUnderstand","thumb-up"],["解决了我的问题","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["没有我需要的信息","missingTheInformationINeed","thumb-down"],["太复杂/步骤太多","tooComplicatedTooManySteps","thumb-down"],["内容需要更新","outOfDate","thumb-down"],["翻译问题","translationIssue","thumb-down"],["示例/代码问题","samplesCodeIssue","thumb-down"],["其他","otherDown","thumb-down"]],[],[[["\u003cp\u003eThe GPWv4.11 National Identifier Grid dataset identifies the census data sources used for the Gridded Population of the World Version 4 (GPWv4) population estimates.\u003c/p\u003e\n"],["\u003cp\u003eThis dataset, provided by NASA SEDAC, covers the period from 2000 to 2020 and has a spatial resolution of approximately 1km (30 arc-seconds).\u003c/p\u003e\n"],["\u003cp\u003ePixels with the same value within the dataset represent the same data source, typically a country or territory.\u003c/p\u003e\n"],["\u003cp\u003eGPWv4.11 models the distribution of the global human population using data from the 2010 round of censuses, extrapolated to produce estimates for each modeled year.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset is available through Google Earth Engine and is licensed under CC-BY-4.0.\u003c/p\u003e\n"]]],["The dataset from NASA SEDAC, available from 2000 to 2020, provides census data sources for GPWv4 population estimates. It models global population distribution on a 1km grid for 2000, 2005, 2010, 2015, and 2020. Each pixel in the 'national_identifier_grid' band, with values ranging from 4 to 999, indicates a unique census data source, often representing a country or territory. Access and analysis are available through Google Earth Engine, and the data is under a CC-BY-4.0 license.\n"],null,[]]