Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2024, Vol. 21, No. 3, pp. 107-120
Possibilities for assessing the forest cover of small dry valleys in the Central Russian forest-steppe using remote sensing data
1 Belgorod State National Research University, Belgorod, Russia
Accepted: 17.04.2024
DOI: 10.21046/2070-7401-2024-21-3-107-120
Analysis of relationships between landscapes forest cover and their spectral reflectance is necessary for its spatiotemporal assessment using remote sensing data. The influence of small dry valleys forest cover on their Sentinel-2-derived reflectance measured during the first and second half of summer was studied in the forest-steppe. Small dry valleys reflectance measured in August showed a stronger relationship with forest cover than June reflectance. High sensitivity to forest cover was found for Analysis of relationships between landscapes forest cover and its spectral reflectance is necessary for its spatiotemporal assessment using remote sensing data. The influence of the forest cover of small dry valleys forest cover on their Sentinel-2-derived reflectance measured during the first and second half of summer was studied in the forest-steppe. Small dry valleys reflectance measured in August showed a stronger relationship with forest cover than June reflectance. High sensitivity to forest cover was found for August reflectance values measured in the visible and short wave infrared ranges. There is an inverse, statistically significant relationship with the forest cover of small dry valleys forest cover in the corresponding Sentinel-2 bands. Dry valleys reflectance in June shows a similar relationship with forest cover, but it is weaker than in August. A stable relationship was not found between forest cover and spectral reflectance in the near infrared and the red edge ranges located next to it. The spectral reflectance in green, red and first short wave infrared Sentinel-2 ranges, measured for dry valleys during August, can indicate spatial differences in their forest cover.
Keywords: forest-steppe landscapes, spectral reflectance, forest cover, Sentinel-2
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