Table 4.
Components of relational spatial demographic database based on freely available datasets
| 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 | http://www.ciesin.columbia.edu/confluence/display/roads/Global±Roads±Data |