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All Journal Jurnal Meteorologi Klimatologi dan Geofisika JURNAL GEOGRAFI Geografi dan Pengajarannya International Journal for Disaster and Development Interface
Widyatmanti, Wirastuti
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Astronomy Earth & Planetary Sciences Education Environmental Science Mathematics Physics Social Sciences

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Journal : International Journal for Disaster and Development Interface

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Land Cover Change Dynamics And Potential Acid Sulfate Soil Formation in Segara Anakan Wahyu, Hyundra Zakiya Putri; Widyatmanti, Wirastuti; Wibowo, Sandy Budi
International Journal for Disaster and Development Interface Vol. 5 No. 2 (2025): October 2025
Publisher : Amcolabora

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.53824/ijddi.v5i2.111

Abstract

Tropical coastal regions are highly susceptible to acid sulfate soi formation due to ecological and hydrological changes driven by land cover dynamics and sedimentation. This study analyzes land cover changes from 1990 to 2025 and their implications for ASS development in Segara Anakan, Indonesia. Landsat imagery (Landsat 5 and Landsat 8/9 OLI) was classified using Random Forest and Gradient Boosting Tree algorithms within Google Earth Engine. Classification accuracy was assessed using overall accuracy and the Kappa coefficient. Land cover classes included mangrove, nipa palm, paddy fields, aquaculture ponds, settlements, bare land, water bodies, and forest. Results reveal substantial conversion of natural vegetation into paddy fields, bare land, and settlements, particularly in low-lying tidal areas. These changes disrupted ecological conditions that previously sustained organic matter accumulation, low-energy environments, and anaerobic waterlogging—three of the five key factors for ASS formation. Field validation confirmed soil pH < 4 in high-risk areas. This research demonstrates the effectiveness of integrating multi-temporal Landsat imagery with machine learning to detect spatio-temporal land cover dynamics and to identify areas prone to ASS formation, offering valuable insights for adaptive coastal management.
Co-Authors Amanatullah, Dikiakhyar Azzahra, Nadia Windy Basworo, Ariseto Fakhrudin, Damar Kurniawan Budi Santoso, Kurniawan Budi Lukman Hakim Nafasari, Umi Ningrum, Esya Racha Nugraha, Hasan Adi Sandy Budi Wibowo Viane, Justinalle Krisna Wahyu, Hyundra Zakiya Putri Wibowo, Anisa Nurfadila Mukti