In recent years, remote sensing data has been increasingly applied to land use change with its advantages. In this paper, the dynamic land use of Xichang city over ten years are analysed based on Landsat 8 data. After the pre-processing, there are five land use types are given using the supervision classification. The results show that from 2013 to 2021, the urbanization of Xichang City develop significantly with the construction land 376.73685km2 increasing to 480.152025 km2. At the same time, the forest land area also increased by 29.44575 km2, and the area of urban green space, bare land and water body decreased significantly.
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