Abstract
In recent years, the COVID-19 has entered into pandemic era in the world and the Republic of Korea. The strengthened social distancing measure has been taken in Seoul Metropolitan City whose COVID-19 confirmed cases were higher than the other provinces. This research aims to investigate the spatial patterns of nighttime lights (NTL) change and potential correlation between the confirmed cases and the changes of NTL for the city and its local governments, using nighttime remotely sensed imagery and land use and land cover data. The increase of nighttime illumination in residential land use was identified in most local governments, and it was found to be strongly associated with both the physical area of residential land use and COVID-19 confirmed cases. In contrast, the decrease of NTL in commercial area observed in some regions, and it was correlated only with the physical area of commercial land use. In association with this results, a future study is expected to incorporate the other variable such as floating population for analyzing the NTL change of commercial land use.
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