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Article

Intensity Assessment of Erosion-Accumulative Processes in the Selenga Middle Mountains (Case Study of the Gully Network of the Nizhnyaya Bulanka Depression, Western Transbaikalia)

1
Baikal Institute of Nature Management, Siberian Branch of Russian Academy of Sciences, 670047 Ulan-Ude, Russia
2
Buryat State Academy of Agriculture, 670024 Ulan-Ude, Russia
3
Institute of Geographic Sciences and Natural Resources Research, Chinese Academy of Sciences, Beijing 100101, China
*
Author to whom correspondence should be addressed.
Geosciences 2020, 10(10), 387; https://doi.org/10.3390/geosciences10100387
Received: 27 August 2020 / Revised: 22 September 2020 / Accepted: 24 September 2020 / Published: 28 September 2020
(This article belongs to the Special Issue Geo-Hydrological Risks Management)
The advantages of a quantitative assessment of the spatial and temporal variability of the boundaries and volumes of ravines using modern means and methods of aerial photography from an unmanned aerial vehicle (UAV) are substantiated, in contrast to traditional survey methods (linear method of benchmarks, tacheometric, aerial and space photography, laser scanning). The erosion zoning and mapping of linear and gully formations on the territory of the Kuitunka, Tarbagataika, and Kunaleika river basins (Selenga middle mountains) are carried out. The reanalysis data were used to assess extreme meteorological events leading to the acceleration of erosion processes. Paleontological material confirms the long duration of erosive-accumulative processes in the Nizhnyaya Bulanka depression. High-accuracy multi-temporal orthophotomaps and digital elevation models of Bulanka gully using unmanned aerial vehicles were produced. The method of quantitative estimation of gully formation rates is offered, which allows estimating with high accuracy the change of area and volume characteristics of erosive forms. View Full-Text
Keywords: Selenga middle mountains; water erosion; soil organic matter; anthropogenic impact; gully; unmanned aerial vehicle; orthophotomap; digital elevation model Selenga middle mountains; water erosion; soil organic matter; anthropogenic impact; gully; unmanned aerial vehicle; orthophotomap; digital elevation model
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MDPI and ACS Style

Tsydypov, B.Z.; Sodnomov, B.V.; Chernykh, V.N.; Ilyin, Y.M.; Gurzhapov, B.O.; Ayurzhanaev, A.A.; Semenova, M.V.; Zharnikova, M.A.; Alymbaeva, Z.B.; Batotsyrenov, E.A.; Li, F.; Cheng, H.; Bazarzhapov, T.; Boldanov, T.; Dong, S.; Garmaev, E.Z. Intensity Assessment of Erosion-Accumulative Processes in the Selenga Middle Mountains (Case Study of the Gully Network of the Nizhnyaya Bulanka Depression, Western Transbaikalia). Geosciences 2020, 10, 387. https://doi.org/10.3390/geosciences10100387

AMA Style

Tsydypov BZ, Sodnomov BV, Chernykh VN, Ilyin YM, Gurzhapov BO, Ayurzhanaev AA, Semenova MV, Zharnikova MA, Alymbaeva ZB, Batotsyrenov EA, Li F, Cheng H, Bazarzhapov T, Boldanov T, Dong S, Garmaev EZ. Intensity Assessment of Erosion-Accumulative Processes in the Selenga Middle Mountains (Case Study of the Gully Network of the Nizhnyaya Bulanka Depression, Western Transbaikalia). Geosciences. 2020; 10(10):387. https://doi.org/10.3390/geosciences10100387

Chicago/Turabian Style

Tsydypov, Bair Z., Bator V. Sodnomov, Vladimir N. Chernykh, Yury M. Ilyin, Bair O. Gurzhapov, Alexander A. Ayurzhanaev, Maria V. Semenova, Margarita A. Zharnikova, Zhargalma B. Alymbaeva, Eduard A. Batotsyrenov, Fujia Li, Hao Cheng, Tcogto Bazarzhapov, Tamir Boldanov, Suocheng Dong, and Endon Z. Garmaev. 2020. "Intensity Assessment of Erosion-Accumulative Processes in the Selenga Middle Mountains (Case Study of the Gully Network of the Nizhnyaya Bulanka Depression, Western Transbaikalia)" Geosciences 10, no. 10: 387. https://doi.org/10.3390/geosciences10100387

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