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Table 4 Components of relational spatial demographic database based on freely available datasets

From: Mapping populations at risk: improving spatial demographic data for infectious disease modeling and metric derivation

Feature Example dataset Example dataset source
National boundaries SALB http://www.unsalb.org
Administrative boundaries GADM http://www.gadm.org
DHS boundaries MEASURE DHS http://www.measuredhs.com
Coastlines GBWD http://dds.cr.usgs.gov/srtm/
Water bodies SWDB http://dds.cr.usgs.gov/srtm/version2_1/SWBD/
Land cover GlobCover http://www.ionia1.esrin.esa.int
Protected areas WDBPA http://www.wdpa.org
Urban extents MODIS http://www.sage.wisc.edu/people/schneider/research/data.html
Settlement locations NGA Geonames http://www.earth-info.nga.mil/gns/html
Elevation and slope SRTM http://www.srtm.csi.cgiar.org
Infrastructure gRoads www.ciesin.columbia.edu/confluence/display/roads/GlobalĀ±RoadsĀ±Data