Investigating the Ecological Situation of Jiroft Region according to Land Use Change over a 30-year Period

This research was conducted with the aim of investigating the ecological assessment of Jiroft region under the influence of land use changes. For this purpose, from the satellite image in 1990 (Landsat 5-TM) and 2020 (Landsat 8-OLI) to extract land surface temperature with the help of single-band algorithm and land use map with the support vector machine (SVM) classification method. used. Next, to investigate the role of land cover in the creation of thermal islands, the contribution index (CI) and UTFVI index were used to evaluate the ecological situation. The results showed that in 2020, barren areas had the highest land-use change since 90 and decreased by 7,300 hectares, but man-made, agricultural, and irrigated land uses increased the most. The water area has increased with the construction of water dam in the region. The reduction of barren areas and the increase of water levels, agricultural use and gardens have improved the ecological situation compared to 1990, while the temperature of the earth's surface has increased by 11 degrees in 2020, which can be attributed to the increase in global warming. It can be said that although the ecological situation of the region is in a better state than in 1990, the presence of desert lands and rocky outcrops around Jiroft has caused the formation of thermal islands in Jiroft region.