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The unique ability of UAS to collect data at user‐defined spectral, spatial, and temporal resolutions offers new possibilities for urban applications that require rapid mapping, assessment, or management. Noor et al. (2018) summarized several types of information that can be provided by UAS for urban studies, including urban location and extent, land cover and land use information, transportation networks and infrastructure, census‐related statistics, and land change information. Despite that the use of UAS in urban areas is currently limited by regulations and safety concerns, numerous attempts have been made to explore the potential of UAS to support urban studies. This section discusses four common types of urban applications using UAS, including disaster response, infrastructure inspection, hyper‐local ecological information collection, and the construction of smart cities.