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Service Description: 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 13.5 million national and sub-national administrative units, was used to assign population counts to 30 arc-second grid cells. The data files were produced as global rasters at 30 arc-second (~1 km at the equator) resolution. To enable faster global processing, and in support of research communities, the 30 arc-second data were aggregated to 2.5 arc-minute, 15 arc-minute, 30 arc-minute and 1 degree resolutions.
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Copyright Text: NASA SEDAC
Spatial Reference:
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Single Fused Map Cache: false
Initial Extent:
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Spatial Reference:
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Spatial Reference:
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Units: esriDecimalDegrees
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Gridded Population of the World, Version 4 (GPWv4): Population Density, Revision 11
Author: Center for International Earth Science Information Network - CIESIN - Columbia University
Comments: Gridded Population of the World, Version 4 (GPWv4) Population Density, Revision 11 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 13.5 million national and sub-national administrative units, was used to assign population counts to 30 arc-second grid cells. The data files were produced as global rasters at 30 arc-second (~1 km at the equator) resolution. To enable faster global processing, and in support of research communities, the 30 arc-second data were aggregated to 2.5 arc-minute, 15 arc-minute, 30 arc-minute and 1 degree resolutions.
Subject: To provide estimates of population density for the years 2000, 2005, 2010, 2015, and 2020, consistent with national censuses and population registers.
Category:
Keywords: population,gpw-v4-population-density
AntialiasingMode: None
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Supports Dynamic Layers: true
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Supported Query Formats: JSON, AMF, geoJSON
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Max Scale: 0
Supports Datum Transformation: true
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