Urban Vacant Land in China

Beijing City Lab Data

Type & Source This research identifies urban vacant land (UVL) across 2,446 natural cities in China using a Fast Segment Anything Model workflow. It reports national and city-level UVL areas, ratios and five spatial distribution types, and releases the identification results together with the tools, model and labelled training data. Citation Wang, X., & Long, Y. (2026). Urban vacant land identification and its distribution rules of China's urban system based on fast segment anything model. Habitat International , 167, 103663. https://doi.org/10.1016/j.habitatint.2025.103663 Data & Code Access UVL identification r...