Natalya M. Khavanskaya, Arina V. Novochadova REVEGATION ANALYSIS WITHIN THE SHURUPOV QUARRIES BASED ON REMOTE SENSING DATA
DOI: https://doi.org/10.15688/nsr.jvolsu.2023.2.6
Natalya M. Khavanskaya, Candidate of Sciences (Geography), Associate Professor, Department of Geography and Cartography, Volgograd State University, Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation, This email address is being protected from spambots. You need JavaScript enabled to view it.
Arina V. Novochadova, Student, Volgograd State University, Prosp. Universitetsky, 100, 400062 Volgograd, Russian Federation, This email address is being protected from spambots. You need JavaScript enabled to view it.
Abstract. The article presents an analysis of restoration processes within two quarries located in the northwest of the Shurupovsky Khutor in the Frolovsky district of the Volgograd region. The described methods of revegetation analysis within the quarry-dump complexes included images from the USGS Earth Explorer portal (US Geological Survey). The Landsat-5 TM satellite images were used in July 2007, Landsat 8 OLI_TIRS was used in July 2015, and Landsat 9 OLI_TIRS described the status in July 2022. Using the ArcGIS geoinformation system 10.3.1, we considered multispectral images of different times and calculated the Normalized Difference Vegetation Index (NDVI) for 2007, 2015, and 2022. As a second index, we calculated the NDVI trend for 2007–2015 and 2015–2022. Based on the results of interpretation, the assessment of changes in the vegetation cover of quarry-dump complexes was carried out. As a result, it was revealed that the vegetation cover of quarries demonstrated different restoration pathways despite their close territorial location. By 2022, the NDVI of the eastern quarry did not exceed 0.2, and the NDVI of the western quarry increased to 0.5. However, in general, there is a positive NDVI trend in the territories of both quarries. Resulting from the data obtained, NDVI maps and NDVI trend maps for the studied quarries were prepared. Tables for calculating changes in the areas of flooding and vegetation cover of the Shurupov quarries for 2007, 2015, and 2022 were created in MS Excel.
Key words: quarry-dump complexes, vegetation cover, GIS technologies, NDVI, Volgograd region.
Citation. Khavanskaya N.M., Novochadova A.V. Revegation Analysis Within the Shurupov Quarries Based on Remote Sensing Data. Prirodnye sistemy i resursy [Natural Systems and Resources], 2022, vol. 13, no. 2, pp. 58-66. (in Russian). DOI: https://doi.org/10.15688/nsr.jvolsu.2023.2.6
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