Assessing Sevastopol greenery level using remote sensing

E.S. Kashirina1, 4, A.A. Novikov1, 3, E.I. Golubeva2, A.M. Novikova3

                           1Branch of M.V. Lomonosov Moscow State University in the city of Sevastopol, RF, Sevastopol, Geroyev Sevastopolya St., 7


2M.V. Lomonosov Moscow State University, Faculty of Geography, Environmental Management Department, RF,

Moscow, Leninskie Gory St., 1


3Institute of Natural Technical Systems, RF, Sevastopol, Lenina St., 28


4Sevastopol State University, City Development Institute, RF, Sevastopol, Kornilova nab., 1


DOI: 10.33075/2220-5861-2020-2-108-116

UDC 502.1                                                           


   The article presents the results of assessing the greenery level and the condition of urban green spaces in Sevastopol based on remote sensing data. The Normalized Difference Vegetation Index (NDVI) is calculated using the Sentinel-2A satellite image (July 26, 2017) for the territory of the south-western part of the Crimean peninsula within the administrative borders of Sevastopol.

   Five classes characterizing the underlying surface are distinguished: land with a disturbed natural cover (under man-made objects) – 1st class; open areas with grassy-shrubby vegetation – 2nd class; green spaces with woody-shrubby vegetation with low (3rd grade), medium (4th grade) and high (5th grade) photosynthetic activity. The average NDVI value for the green spaces of Sevastopol varies from 0.19 to 0.81, which makes it possible to divide the vegetation sections by the level of photosynthetic activity and, as a result, the condition from unsatisfactory to excellent. About 25% of the city green spaces are in unsatisfactory condition, while other more than 75% is in satisfactory, good and excellent condition.

   The most important ecosystems of the city are identified, which include specially protected natural territories, parks, horticultural societies, cemeteries and memorial complexes: “Baidarsky” nature reserve, “Maximova Dacha” nature park, “Ushakova Balka” botanical nature monument, a green space on the square of General Sakharov etc.

   The mountain forests are characterized by good and excellent vegetation condition.

Keywords: green spaces, city, urban ecosystems, remote sensing, GIS technology, Crimea, Sevastopol.

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