EXPERIENCE OF ENGINEERING-GEOCRYOLOGICAL MAPPING OF THE REPUBLIC OF SAKHA (YAKUTIA)

http://doi.org/10.24057/2414-9179-2018-2-24-347-361

View or download the article (Rus)

About the Authors

Alyona A. Shestakova

Melnikov Permafrost Institute SB RAS,
Merzlotnaya str., 36, 677010, Yakutsk, Russia,

North-Eastern Federal University in Yakutsk,
Belinsky str., 58, 677027, Yakutsk, Russia,

E-mail: aashest@mail.ru

Vladimir B. Spektor

Melnikov Permafrost Institute SB RAS,
Merzlotnaya str., 36, 677010, Yakutsk, Russia,
E-mail: vbspector@mpi.ysn.ru

Yaroslav I. Torgovkin

Melnikov Permafrost Institute SB RAS,
Merzlotnaya str., 36, 677010, Yakutsk, Russia,
E-mail: torgovkin@mpi.ysn.ru

Abstract

Engineering-geocryological zoning of the Republic of Sakha (Yakutia) is considered in the work, which was performed based on the analysis of the main factors controlling engineering-geocryological conditions in the region and their cartographic generalization. The schematic maps of zoning are made: relief (morphostructural), cryogenic processes, ground conditions, geocryological conditions and seismicity. A scoring of varieties of engineering-geocryological conditions was carried out and territories were identified in various degrees favorable for the implementation of engineering activities. The article begins with a short "Introduction", in which the goals and relevance of the work are revealed. The following section “Methods of work” highlights the ranking of the types of engineering-geocryological conditions for the convenience of zoning. Next, “Factors forming engineering geocryological conditions of the territory of the Republic of Sakha (Yakutia)” are considered, such as geodynamic, morphostructural, geocryological, hydrogeological and seismicity of the territory. In the section “Results of the study and their discussion”, the compiled schematic maps of the zoning for individual types of engineering-geocryological conditions are considered. These are schematic maps of morphostructural (geomorphological) zoning, zoning schematic maps based on the intensity of cryogenic processes, ground conditions, geocryological conditions and seismic zoning. A complex analysis of the above-listed factors of engineering-geocryological conditions is also given. In the “Conclusions” section it is indicated that the region of the Primorsky lowland and shallow shelf is exceptionally difficult in engineering terms. In the future, to clarify the engineering conditions, it seems rational to compile a permafrost-landscape and geomorphological map of the territory of the RS (Y), and other maps that will enable us to assess the economic feasibility of various types of engineering activities on the territory of the Republic.

Keywords

zoning, engineering-geocryological conditions, cryogenic processes, ground conditions, morphostructure.

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For citation: Shestakova A.A., Spektor V.B., Torgovkin Ya.I. EXPERIENCE OF ENGINEERING-GEOCRYOLOGICAL MAPPING OF THE REPUBLIC OF SAKHA (YAKUTIA) Proceedings of the International conference “InterCarto. InterGIS”. 2018;24(2):347–361 http://doi.org/10.24057/2414-9179-2018-2-24-347-361