コロンビア大学国際地球科学情報ネットワーク センター(CIESIN)。2018 年。Gridded Population of the World, Version 4(GPWv4): Land Area, Revision 11。Palisades, NY: NASA Socioeconomic Data and Applications Center(SEDAC)。https://doi.org/10.7927/H4Z60M4Z。Accessed DAY MONTH YEAR.
[[["わかりやすい","easyToUnderstand","thumb-up"],["問題の解決に役立った","solvedMyProblem","thumb-up"],["その他","otherUp","thumb-up"]],[["必要な情報がない","missingTheInformationINeed","thumb-down"],["複雑すぎる / 手順が多すぎる","tooComplicatedTooManySteps","thumb-down"],["最新ではない","outOfDate","thumb-down"],["翻訳に関する問題","translationIssue","thumb-down"],["サンプル / コードに問題がある","samplesCodeIssue","thumb-down"],["その他","otherDown","thumb-down"]],[],[[["\u003cp\u003eThe Gridded Population of the World Version 4 (GPWv4), Revision 11 dataset models the distribution of global human population for the years 2000, 2005, 2010, 2015, and 2020.\u003c/p\u003e\n"],["\u003cp\u003eThis dataset provides estimates of land area, excluding permanent ice and water, in square kilometers per pixel at a resolution of 927.67 meters.\u003c/p\u003e\n"],["\u003cp\u003ePopulation data is distributed to grid cells using proportional allocation from census and administrative units and extrapolated to produce estimates for each modeled year.\u003c/p\u003e\n"],["\u003cp\u003eThe dataset is provided by NASA SEDAC at the Center for International Earth Science Information Network and is licensed under CC-BY-4.0.\u003c/p\u003e\n"],["\u003cp\u003eThis land area dataset was specifically used to calculate the GPWv4 population density datasets.\u003c/p\u003e\n"]]],["The dataset, provided by NASA SEDAC, estimates land surface area per pixel (excluding permanent ice/water) from 2000 to 2020. It models global human population distribution using 30-arc-second grid cells. Data is extrapolated from census information collected between 2005-2014, with a pixel size of 927.67 meters. Users can access it via Earth Engine with the `ee.ImageCollection(\"CIESIN/GPWv411/GPW_Land_Area\")` snippet, under a CC-BY-4.0 license, and explore it using a provided JavaScript code.\n"],null,[]]