“…Currently, the Korean government is integrating the satellite operating system to support comprehensive use of satellite images at the national level and is supporting R&D for the development and distribution of various technologies. The theory and applications of KOMPSAT satellite images can be found in several Special Issues [1][2][3][4][5][6]. This Special Issue discusses recent The KOMPSAT images have been successfully used to observe Earth's surface in the fields of physics, ecology, geology, hydrology, environmentology, etc.…”