Spatial Modelling of Agricultural Land Abandonment Probability in a Foothill Hromada Using Sentinel-2 Satellite Data

PA.
2025;
: pp. 11 - 20
1
Department of Photogrammetry and Geoinformatics, Lviv Polytechnic National University
2
Department of Photogrammetry and Geoinformatics, Lviv Polytechnic National University

Objective. The aim of this study is to identify potentially abandoned agricultural lands within the Vyhoda territorial community of Ivano-Frankivsk region through multi-criteria analysis based on Sentinel-2 satellite imagery, vegetation indices, and topographic and infrastructural parameters. Methodology. An  adapted multi-criteria spatial modeling approach was proposed to detect potentially abandoned agricultural lands. The study employed multispectral Sentinel-2 satellite images acquired in August 2024. Based on the pre-processed imagery, seven vegetation indices were calculated, of which NDVI, MSAVI2, and RECI were included in the final model as the most effective for reflecting vegetation condition, density, and type. Additionally, three non-spectral variables were considered: surface slope, distance to roads, and distance to residential areas. All spatial layers were harmonized to a common spatial resolution, normalized, and reclassified using a five-point suitability scale. Data integration was performed using the Weighted Overlay method in the ArcGIS Pro environment, which enabled the construction of an integrated probability layer of land abandonment. The weight coefficients of each layer were determined based on testing and expert evaluation. Results. The resulting abandonment risk map demonstrates spatial heterogeneity of agricultural land within the community. Areas with the highest risk classes (4–5) are predominantly located in the southern and northeastern parts of the territory, which is associated with mountainous terrain, limited accessibility, and fragmented land use patterns. The central part is dominated by areas with low abandonment risk (classes 1–2), typical of actively cultivated lands. The consistency between the results and the multispectral imagery confirms the effectiveness of the proposed approach in identifying abandoned lands in structurally complex foothill environments. Practical significance. The proposed approach allows for effective identification of spatial hotspots of land-use degradation to support local planning, agro-ecological monitoring, and the development of strategies for sustainable land use in mountainous communities.

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