IDENTIFICATION OF ICINGS SPREADING PATTERNS IN SELENGA MIDDLE MOUNTAINS BY METHODS OF GEOINFORMATION ANALYSIS

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The purpose of this work is to determine the main regularities of icing distribution in the Selenga middle mountains. The objectives of the study included mapping of icings using Landsat imagery and geoinformation analysis of their spatial differentiation. The geoinformation analysis of the distribution of icings in the Selenga mid-mountain depending on various environmental factors (tectonics, relief, permafrost, meteorological indicators) revealed the main regularities of their formation. The relation of the glaciers to different categories according to the main classification features was determined. Icings of the Selenga mid-mountain are divided into 4 size classes (medium, large, very large and giant), 2 main genetic types are identified according to the prevailing sources of supply (groundwater and spring icings), the number of slope and valley icings is determined. The role of relief and snow cover influence on the distribution of icings in the territory was assessed. It has been established that in the current climatic conditions in the Selenga middle mountains 7.7 thousand icings are formed, most of which (70%) belong to groundwater icings. The maximum number of glaciers is observed in areas with a transitional type of permafrost distribution, while valley glaciers prevail in mountainous areas at altitudes from 850 to 1000 m. They are formed along watercourses in intermountain hollows and in the spurs of mountain ranges.

Sobre autores

V. Chernykh

Baikal Institute of Nature Management SB RAS

Email: geosibir@yandex.ru
ORCID ID: 0000-0001-9365-7340
candidate of geographical sciences 2025

B. Tsydypov

Baikal Institute of Nature Management SB RAS

Email: bz61@mail.ru
ORCID ID: 0000-0001-8340-7268
Código SPIN: 5789-2810
Scopus Author ID: 14632724300
Laboratory of Geoecology, candidate of technical sciences 2005

A. Ayurzhanaev

Baikal Institute of Nature Management SB RAS

Email: aaayurzhanaev@yandex.ru
ORCID ID: 0000-0002-2282-7848
candidate of technical sciences 2011

M. Zharnikova

Baikal Institute of Nature Management SB RAS

Email: rita_zharnikova@mail.ru
ORCID ID: 0000-0003-3428-6724
candidate of geographical sciences 2021

B. Sodnomov

Baikal Institute of Nature Management SB RAS

Email: sodnomov@binm.ru
ORCID ID: 0000-0002-4099-7226

Zh. Alymbaeva

Baikal Institute of Nature Management SB RAS

Email: alymbaeva@binm.ru
ORCID ID: 0000-0001-6411-3985
candidate of sciences in biology

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Declaração de direitos autorais © Chernykh V., Tsydypov B., Ayurzhanaev A., Zharnikova M., Sodnomov B., Alymbaeva Z., 2025

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