• Home
  • » Data
  • » Summary
  • China 100m Urban change



    WorldPop spatiotemporal change dataset details

    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).

    DOI: 10.5258/SOTON/WP00057

    Download Dataset

    We do not make it mandatory that you fill in the boxes below before downloading the data. We do value knowing some information about users and their intended data applications though, as this helps us understand and adapt to the needs of our user-base, so encourage you to provide details if you are able to. We will not share these contact data further, and also encourage you to provide feedback on the downloaded dataset, especially on any errors or availability of extra input datasets that can help in improving our outputs.

    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).

    This file is 16.09 GB in size.