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Monitoring Dynamics of Vegetation Cover with the Integration of OBIA and Random Forest Classifier Using Sentinel-2 Multitemporal Satellite Imagery

*Nurwita Mustika Sari  -  Pusat Riset Aplikasi Penginderaan Jauh LAPAN, , Indonesia
R. Rokhmatuloh  -  Department of Geography, Faculty of Mathematics and Natural Science, Indonesia University, Indonesia
Masita Dwi Mandini Manessa  -  Department of Geography, Faculty of Mathematics and Natural Science, Indonesia University, Indonesia

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Abstract

The existence of vegetation in an area has an important role to maintain the carrying capacity of the environment and create a comfortable environment as a place to live. In an effort to create a sustainable environment, there are various pressures on vegetation that cause a decrease in vegetation area. Economic activity, population growth and other anthropogenic activities trigger the dynamics of vegetation cover in an area that causes land cover changes from vegetation to non-vegetation. Majalengka Regency as one of the areas with intensive regional physical development in line with the operation of BIJB Kertajati and the Cipali toll road became the study area in this research. This study aims to monitor the dynamics of vegetation cover with the proposed method namely the integration of the OBIA and Random Forest classifier using multi temporal Sentinel-2 satellite imagery. The results show that there is a decrease in the area of vegetation in the research area as much as 4,329.6 hectares to non-vegetation areas in the period 2016-2020. The vegetation area in 2020 is 84,716.07 hectares and non-vegetation area is 35,708 hectares. Thus, there has been a decrease in the percentage of vegetation area from 73.94% in 2016 to 70.35% in 2020, meanwhile for non-vegetation areas there has been an increase from 26.06% in 2016 to 29.65% in 2020.

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Keywords: Vegetation cover; vegetation dynamics; Sentinel-2; OBIA; Random Forest
Funding: Remote Sensing Application Center LAPAN, BRIN; Lembaga Pengelola Dana Pendidikan (LPDP) Kementerian Keuangan Republik Indonesia

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