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, 2016, Vol. 13, No. 6, pp. 224-232

Methodological issues of construction of generalized histograms of lake size distribution in the permafrost based on satellite images of middle and high resolution

Yu.M. Polishchuk 1, 2 , A.N. Bogdanov 1 , I.N. Muratov 1 
1 Ugra Research Institute of Information Technologies, Khanty-Mansiysk, Russia
2 Institute of Petroleum Chemistry SB RAS, Tomsk, Russia
Accepted: 21.11.2016
DOI: 10.21046/2070-7401-2016-13-6-224-232
The paper is devoted to the construction of generalized histograms of thermokarst lakes size distribution taking into account the totality of lakes in permafrost areas, from the very small to large sizes. The proposed approach to the construction of a generalized histogram is based on a combination of the two original histograms obtained from images of high (Kanopus-V, BKA, Alos) and middle (Landsat-8) spatial resolution and reflecting the distribution of small and large lakes, respectively. The remote sensing research was conducted on the territory of the permafrost zone of Western Siberia. To determine the number and area of large lakes, a mosaic of Landsat-8 images of 2013–2014 was used. Studies of small lakes properties were held at 66 test sites distributed quite evenly over the same territory. Methodical issues of the integration of histograms of lakes size distribution obtained from images of different resolutions are described by the example of the permafrost territory of Western Siberia. In the article, a graph illustrating the procedure of integration of the two original histograms for the purpose of constructing a generalized lakes size distribution histogram is represented. The generalized histogram of lakes size distribution is represented as a graph in double logarithmic scale ensuring its compact representation in a very wide range of sizes of the lakes.
Keywords: permafrost, geoinformation systems, satellite images, histogram of lakes size distribution
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