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China 100m. Urban change
China 100m Urban change

WorldPop spatiotemporal change dataset details
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DATASET: Alpha version of temporally-comparable 1990, 2000, and 2010 estimates of numbers of people per pixel (ppp) and people per hectare (pph) - produced using covariates that are either time-invariant or temporally explicit.
REGION: Asia
SPATIAL RESOLUTION: 0.000833333 decimal degrees (approx 100m at the equator)
PROJECTION: Geographic, WGS84
UNITS: Estimated persons per grid square
MAPPING APPROACH: : Random Forest
FORMAT: Geotiff (zipped using 7-zip (open access tool): www.7-zip.org)
FILENAMES: Example - CHN_1990_gaul3_ppp_v2c_1990.tif = China (CHN) population per pixel (ppp) map for 1990 (1990) obtained using GAUL 3 boundary-matched census data, version 2c (v2c).
DATE OF PRODUCTION: October 2015

Details about the input data and how the datasets were generated are provided here: Gaughan, A. E. et al. Spatiotemporal patterns of population in mainland China, 1990 to 2010. Sci. Data 3:160005 doi: 10.1038/sdata.2016.5 (2016).

Region : China
DOI : 10.5258/SOTON/WP00057
Date of production : 2015-05-05
Recommended citation

WorldPop (www.worldpop.org - School of Geography and Environmental Science, University of Southampton). 2015. China 100m Urban change. Alpha version of temporally-comparable 1990, 2000, and 2010 estimates of numbers of people per pixel (ppp) and people per hectare (pph) - produced using covariates that are either time-invariant or temporally explicit. DOI: 10.5258/SOTON/WP00057

Html file : view Metadata page
Data Files :
WorldPop datasets are available under the Creative Commons Attribution 4.0 International License. This means that you are free to share (copy and redistribute the material in any medium or format) and adapt (remix, transform, and build upon the material) for any purpose, even commercially, provided attribution is included (appropriate credit and a link to the licence).