For more information on the Global One-Eighth Degree Urban Land Extent Projection and Base Year Grids by SSP Scenarios, v1 (2000 – 2100) data see the following peer-reviewed open access journal article:
Gao, J. and B. C. O’Neill. 2020. Mapping global urban land for the 21st century with data-driven simulations and Shared Socioeconomic Pathways. Nature Communications, 11: 2302. https://doi.org/10.1038/s41467-020-15788-7.
Please see the readme text file for more information.