GHSL
Global Human Settlement Layer provides global built-up area mapping and population density data for urban analysis.
Data Content
| Category | Content | Examples |
|---|---|---|
| Built-up Areas | Urban and rural settlement mapping | City centers, suburban areas, rural settlements |
| Population Density | Gridded population estimates | High-density urban cores, medium-density suburbs |
| Built-up Volume | 3D building height and volume data | High-rise districts, low-rise residential areas |
| Settlement Classification | Urban/rural typology | Large urban areas, small towns, rural settlements |
| Temporal Evolution | Historical settlement changes | Urban expansion patterns, growth trajectories |
Applications in CityPortraits
| Application Area | Use Cases |
|---|---|
| Urban Extent Mapping | City boundary delineation, urban growth monitoring, sprawl analysis |
| Population Distribution | Demographic density mapping, urban population estimation, settlement patterns |
| Built Environment Analysis | Building density assessment, urban morphology studies, vertical development analysis |
| Change Detection | Historical urban transformation, development trend analysis, land use change monitoring |
Data Sources
Integration
GHSL data is combined with OSM for street network analysis and census data for demographic validation.