Monitoring of land use land cover change using google earth engine in urban area: Kendari city 2000-2021

Abstract

The physical development of an area causes Land Use Land Cover (LULC) changes due to land requirement increases. Kendari City is the capital city of Southeast Sulawesi Province with extensive urbanization and extensive LULC changes. This study aims to analyze LULC changes in Kendari City (2000-2021) using multi-temporal Landsat imageries data. Landsat-5, Landsat-7, and Landsat-8 imageries spanning 20 years obtained from the Google Earth Engine (GEE) database. LULC classification based on machine learning using random forest method. The pattern of LULC of 2000-2010 spread to the west and increased the settlements in Kadia District. In 2010-2021 settlement developments to the west and south, namely in Kadia and Wua-wua Districts. An increase in built-up land or settlements in Kendari City has occurred about two times over the last 20 years has led to agricultural land. The increase in built-up land or settlements in Kendari City reached 1,920.44 Ha, and at the same time, there was a decrease in agricultural land in rice fields by 1,866.86 ha in the last 20 years.