Rapid rise in urban sprawl: Global hotspots and trends since 1990
Fig 1
Overview of the research process used to measure the degree of urban sprawl on the planet at multiple spatial scales for the period 1990–2014.
The colors indicate work packages related to main input data (orange), auxiliary and validation input data (light grey), reporting areas (dark grey), data processing and analysis (blue), validation (light blue), and results (green).