Sovremennye problemy distantsionnogo zondirovaniya Zemli iz kosmosa, 2024, Vol. 21, No. 2, pp. 261-270
Analysis of spatial and temporal dynamics of lake landscapes near Urengoyskaya power plant
V.A. Khamedov
1, 2 , D.A. Fratya
1
1 Siberian State University of Geosystems and Technologies, Novosibirsk, Russia
2 Saint Petersburg State University of Aerospace Instrumentation, Saint Petersburg, Russia
Accepted: 21.03.2024
DOI: 10.21046/2070-7401-2024-21-2-161-270
The paper presents the results of studies of lake landscape dynamics occurring near Urengoyskaya SDPP (State District Power Plant). We analyzed the historic and current high-resolution KH-9 (Hexagon 6, Mission 1206) and Canopus-V satellite imagery, as well as Landsat-1, -7, -8, -9 imagery. We traced changes in the area of Lake Iamyilimuiaganto that serves as a cooling reservoir for Urengoyskaya SDPP and the changes in the spatial distribution of the tributaries, connecting the lake with the Pur River. We measured seasonal changes of infrared emission of the cooling reservoir that effects the adjacent territories. We examined the imagery from 1983 to 2023 using the VEGA-Science satellite service. The resulting data reveals the possibilities of the outflow from the cooling reservoir due to the thermal erosion and karst in the bottom-land area of the lake. Systematic observations including satellite imagery analysis are required to control the changes in lake landscapes in the region of Urengoyskaya SDPP.
Keywords: space monitoring, Arctic zone, permafrost, cooling pond, thermoerosion and thermokarst processes, KH-9 Hexagon, Kanopus-V, Vega-Science
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