“…[7] Next, the study area is clipped using the vector polygon of the Dasigou River Basin (initial section) as a mask. [8] Then, using ENVI software, ROIs (Region of Interest) for various land use types are established to extract the land use information for the years 2002, 2009, 2015, and 2020 using supervised classification methods. [9] Finally, a comparative analysis is conducted on the results of the supervised classification to obtain the temporal sequence of land use changes in the study area, as shown in Figure 2 and Table 1.…”