Geophysical studies of the internal structure of glacial-permafrost stone formations of the Central Altai

G. S. Dyakova; A. A. Goreyavcheva; O. V. Ostanin; V. V. Olenchenko; R. Yu. Biryukov

doi:10.31857/S2076673420010027

Geophysical studies of the internal structure of glacial-permafrost stone formations of the Central Altai

G. S. Dyakova, A. A. Goreyavcheva, O. V. Ostanin, V. V. Olenchenko, R. Yu. Biryukov

https://doi.org/10.31857/S2076673420010027

Full Text:

Abstract

Several complexes of glacial-permafrost stone formations have been studied in the Central Altai using geophysical methods. The features of their internal structure together with characteristic differences between them depending on the dynamic activity, altitude and geomorphological characteristics were determined. Integration of the methods of the electrical resistivity tomography and the GPR-sounding made it possible to distinguish roofs on all the studied formations and to estimate thicknesses of the stone-ice cores. Studying of eight formations with different degrees of activity and located at different altitudes did show that the thicknesses of the stone-ice cores increase with height: from 8–10 m in the mid-mountain zone up to 18-20 m in the highlands. The values of the specific resistance of cores inside the glacial-stone formations are directly proportional to altitudes of the objects (the correlation coefficient is 0.7) that give an indication of increasing in the amount of ice in them with height. The depth of occurrence of the roof of the stone-ice material in the formations is more dependent on the exposure of the slope on which the object is located, and changes from 1–2 m on slopes of the Northern exposure up to 4–6 m on slopes of the Southern and Western exposures.

Keywords

Altai, electrical resistivity tomography, glacial-permafrost rock formations, GPR-sounding, permafrost, rock glacier,

About the Authors

G. S. Dyakova

Altai State University
Russian Federation
Barnaul

A. A. Goreyavcheva

Novosibirsk State University
Russian Federation
Novosibirsk

O. V. Ostanin

Altai State University
Russian Federation
Barnaul

V. V. Olenchenko

Trofimuk Institute of Petroleum Geology and Geophysics
Russian Federation
Novosibirsk

R. Yu. Biryukov

Institute of Water and Environmental Problems
Russian Federation
Barnaul

References

1. Maurer H., Hauck C. Instruments and methods geophysical imaging of alpine rock glaciers // Journ. of Glaciology. 2007. V. 53. № 180. P. 110–120.

2. Hauck C., Bottcher M., Maurer H. A new model for estimating subsurface ice content based on combined electrical and seismic data sets // The Cryosphere. 2011. № 5. P. 453–468.

3. Hausmann H., Krainer K., Bruckl E., Ullrich C. Internal structure, ice content and dynamics of Оlgrube and Kaiserberg rock glaciers (Оtztal Alps, Austria) determined from geophysical surveys // Austrian Journ. of Earth Sciences. 2012. V. 105. № 2. P. 12–31.

4. Bodin X. Present status and development of rock glacier complexes in south-faced valleys (45°N, French Alps) // Geogr. Fis. Dinam. Quat. 2013. P. 27–38.

5. Leopold M., Williams M.W., Caine N., Völkel J., Dethier D. Internal structure of the Green Lake 5 rock glacier, Colorado Front Range, USA // Permafrost and Periglacial Processes. 2011. V. 22. № 2. P. 107–119.

6. Hassinger J.M., Mayewski P.A. Morphology and dynamics of the rock glaciers in Southern Victoria Land, Antarctica // Arctic and Alpine Research. 1983. V. 15. № 3. P. 351–368.

7. Butvilovskiy V.V. Paleogeografiya poslednego oledeneniya i golocena Altaya: sobytiyno-katastroficheskaya model. Paleogeography of the last glaciation and Holocene of Altai: event-catastrophic model. Tomsk, 1993: 253 p. [In Russian].

8. Zolnikov I.D., Mistryukov A.A. Chetvertichnye otlozheniya i rel'ef dolin Chui i Katuni. Quaternary sediments and re-lief of the Chuya and Katun valleys. Novosibirsk: Parallel, 2008: 182 p. [In Russian].

9. Deev E.V., Zolnikov I.D., Staroverov V.N. Reflection of fast geological processes in sediments and textures (on the example of uneven-aged complexes of northern Eurasia). Litosfera. Lithosphere. 2012, 6: 14–35. [In Russian].

10. Balkov E.V., Panin G.L., Manstein Yu.A., Manstein A.K., Beloborodov V.A. Electro-tomography: equipment, methods and experience of application. Geofizika. Geophysics. 2012, 6: 54–63. [In Russian].

11. Lapkovskaya A.A., Olenchenko V.V., Potapov V.V., Shein A.N., Gornostaeva E.S., Gubin D.I. The structure of the stone glacier of the Sukorsky collapse (Gorny Altai) according to electrotomography data. Arktika, Subarktika: mozaichnost', kontrastnost', variativnost' kriosfery: Trudy Mezhdunarodnoy konferentsii. Arctic, Subarctic: mosaic, contrast, variability of the cryosphere: Proc. of the Intern. Conf. 2017: 195–198. [In Russian].

12. Lapkovskaya A.A., Olenchenko V.V., Dyakova G.S. Geoelectric structure of the stone glacier of the Sukorsky landslide-collapse (Mountainous Altai). Interehkspo Geo-Sibir'. Interexpo Geo-Siberia. 2016: 53–57. [In Russian].

13. Dyakova G.S., Olenchenko V.V., Ostanin O.V. Application of the method of electro-tomography to study the internal structure of Altai stone glaciers. Led i Sneg. Ice and Snow. 2017, 57 (1): 69–76. [In Russian].

14. Shatz M.M. Geokriologicheskie usloviya Altae-Sayanskoy gornoy strany. Geocryological conditions of the AltaiSayan mountainous country. Novosibirsk: Science, 1978: 103 p. [In Russian].

Supplementary files

For citation: Dyakova G.S., Goreyavcheva A.A., Ostanin O.V., Olenchenko V.V., Biryukov R.Y. Geophysical studies of the internal structure of glacial-permafrost stone formations of the Central Altai. Ice and Snow. 2020;60(1):109-120. https://doi.org/10.31857/S2076673420010027

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ISSN 2076-6734 (Print)
ISSN 2412-3765 (Online)

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