ISSN 2070-7401 (Print), ISSN 2411-0280 (Online)
Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa
CURRENT PROBLEMS IN REMOTE SENSING OF THE EARTH FROM SPACE

  

Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2021, Vol. 18, No. 3, pp. 242-253

The dynamics of the water surface areas of steppe lakes in the Eastern Transbaikalia region using satellite data

M.A. Kashnitskaya 1 
1 State Research Center for Space Hydrometeorology “Planeta”, Moscow, Russia
Accepted: 28.04.2021
DOI: 10.21046/2070-7401-2021-18-3-242-253
The analysis of the long-term dynamics of the total area of the water surface of the steppe lakes in the Eastern Transbaikalia region for the period from 1989 to 2020 was carried out using Landsat satellite data. The years with the maximum and minimum values of the total area of the lakes water surface have been identified. For further detailed analysis of their dynamics, the most studied 23 lakes in the region were chosen. Three groups of lakes were identified as a result of clustering the water surface areas of these lakes using the k-means algorithm. According to the theoretical description and the geographical location of the water bodies, it has been established that the studied lakes are classified based on their origin: tectonic, oxbow and erosion-tectonic origin. The correlation analysis showed that the lakes of the oxbow and erosion-tectonic origin display more accurately the level of moisture in the region. The lakes of the tectonic origin can also show the level of moisture in the region, but they react to its changes with some time-lag.
Keywords: steppe zone lakes, spectral indices, clustering, MNDWI, Landsat, Kanopus-V, Eastern Transbaikalia region
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