«IZVESTIYA IRKUTSKOGO GOSUDARSTVENNOGO UNIVERSITETA». SERIYA «NAUKI O ZEMLE»
«THE BULLETIN OF IRKUTSK STATE UNIVERSITY». SERIES «EARTH SCIENCES»
ISSN 2073-3402 (Print)

List of issues > Series «Earth Sciences». 2021. Vol. 35

Transformation of Geosystems of the Pre-Baikal Pre-Drift Zone

Author(s)
V. N. Nogovizin
Abstract

The results of the work are aimed at solving a fundamental problem related to the forecast of changes in the natural environment of the Russian regions.Modern problems of geographical research are aimed at studying geosystems that develop under the conditions of climatic or geodynamic changes. The territory is characterized by the diversity and contrast of geosystems, which makes the study area unique for identifying the factors of their transformation. The article presents the results of generalization of information obtained in the course of field research, in the analysis of literary and cartographic data in order to identify the specifics of the transformation of plateau geosystems. The features of transformation of geosystems of the research area are revealed. Various blocks of transformation of geosystems are considered, the synthesis of knowledge about which made it possible to create a systematic picture of the transformation of geosystems of the territory. It is shown that the history of the development of geosystems in the research area is largely related to the impact of the Baikal rift zone on the outskirts of the Siberian Platform. The specificity of the spatial organization of geosystems within its boundaries is shown. It is established that at present the most intensive transformations are characteristic of the area of the upper reaches of the Orlinga River, where new young geosystems are being formed. The materials are presented in the form of information synthesis of data and knowledge about the territory, based on the theory of geosystems of Academician V. B. Sochava, the results of long-term ground route research, cartographic information, and the interpretation of satellite images.

About the Authors

Nogovizin Vasiliy Nikolaevich, Candidate of Science (Geography), Researcher , V. B. Sochava Institute of Geography SB RAS,1, Ulan-Batorskaya st., Irkutsk, 664033, Russian Federation, e-mail: nv.plus.mk@yandex.ru

For citation

Nogovizin V.N. Transformation of Geosystems of the Pre-Baikal Pre-Drift Zone. The Bulletin of Irkutsk State University. Series Earth Sciences, 2021, vol. 35, pp. 84-95. https://doi.org/10.26516/2073- 3402.2021.35.84 (in Russian)

Keywords
Pre-Baikal pre-lift zone, transformation, geosystems, activation, watershed
UDC
551.4(571.5)
DOI
https://doi.org/10.26516/2073-3402.2021.35.84
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