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, 2020, Vol. 17, No. 3, pp. 95-101

Study of tortuosity of the coastal boundaries of thermokarst lakes of Bolshezemelskaya tundra using images of Kanopus-V

Yu.M. Polishchuk 1, 2 , I.N. Muratov 1 , O.A. Baisalyamova 1 
1 Ugra Research Institute of Information Technology, Khanty-Mansiysk, Russia
2 Institute of Petroleum Chemistry SB RAS, Tomsk, Russia
Accepted: 23.04.2020
DOI: 10.21046/2070-7401-2020-17-3-95-101
The paper is devoted to the issues of using high resolution images to study the properties and distribution of the tortuosity of coastal boundaries of thermokarst lakes in the permafrost zone of Western Siberia. Remote studies were carried out on 78 test sites located fairly evenly in the territory of the cryolithozone of Western Siberia. To describe the tortuosity, an indicator of the shape of spatial objects used in cartography, which is calculated from the results of measuring the area and perimeter of lakes using satellite images, was used. It was found that the degree of tortuosity of the lake borders showed an average positive linear trend with an increase in the area of lakes. A histogram of the distribution of the degree of tortuosity of the coastal boundaries of lakes in a wide range of sizes from 50 m2 to 50 ha was constructed.
Keywords: remote sensing, space images, geoinformation systems, permafrost, Bolshezemelskaya tundra, thermokarst lakes, tortuosity of lakes coastal boundaries
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