gesjGEOGRAPHY, ENVIRONMENT, SUSTAINABILITYGEOGRAPHY, ENVIRONMENT, SUSTAINABILITY2071-93882542-1565Russian Geographical Society10.24057/2071-9388-2026-4534gesj-5050Research ArticleRESEARCH PAPERСтатьиEvolution of erosional badlands in the eastern black sea region during the late holoceneEremenkoEkaterina A.

Leninskie Gory 1, Moscow, 119991

Staromonetny per. 29, str. 4, Moscow, 119017

eremenkoea@my.msu.ruFuzeinaYulia N.

Leninskie Gory 1, Moscow, 119991

VlasovMaxim V.

Malaya Pirogovskaya str., 18, Bld. 1, Moscow, 119435

MatlakhovaEkaterina Yu.

Leninskie Gory 1, Moscow, 119991

KharchenkoSergey V.

Leninskie Gory 1, Moscow, 119991

Staromonetny per. 29, str. 4, Moscow, 119017

DerkachAleksandra A.

Leninskie Gory 1, Moscow, 119991

BurkovaAnna A.

Leninskie Gory 1, Moscow, 119991

TikhonovaTatiana I.

Leninskie Gory 1, Moscow, 119991

PoletaevaYulia A.

Leninskie Gory 1, Moscow, 119991

KuzmenkovaNatalia V.

Leninskie Gory 1, Moscow,119991

Staromonetny per. 29, str. 4, Moscow, 119017

ZhibaRoman Yu.

Krasnomayakskaya str., Sukhum,  384900

ZhaoHaiyan

Yanxiang Road, Xían, 710069

Fenghui South Road, Xi’an, 710061

LiuYixuan

Yanxiang Road, Xían, 710069

LuXuefeng

Yanxiang Road, Xían, 710069

ChengPeng

Yanxiang Road, Xían, 710069

HouXiaolin

Yanxiang Road, Xían, 710069

Lomonosov Moscow State University, Faculty of Geography; Institute of Geography RASRussian FederationLomonosov Moscow State University, Faculty of GeographyRussian FederationFRECOM LtdRussian FederationLomonosov Moscow State University, Chemistry Faculty; Institute of Geography RASRussian FederationInstitute of Ecology of the Academy of SciencesAbkhaziaState Key Laboratory of Loess Sciences, Institute of Earth Environment, Chinese Academy of Sciences; Xi’an Institute for Innovative Earth Environment ResearchChinaState Key Laboratory of Loess Sciences, Institute of Earth Environment, Chinese Academy of SciencesChina20260910202619399111Copyright © Eremenko E.A., Fuzeina Y.N., Vlasov M.V., Matlakhova E.Y., Kharchenko S.V., Derkach A.A., Burkova A.A., Tikhonova T.I., Poletaeva Y.A., Kuzmenkova N.V., Zhiba R.Y., Zhao H., Liu Y., Lu X., Cheng P., Hou X., 20262026Eremenko E.A., Fuzeina Y.N., Vlasov M.V., Matlakhova E.Y., Kharchenko S.V., Derkach A.A., Burkova A.A., Tikhonova T.I., Poletaeva Y.A., Kuzmenkova N.V., Zhiba R.Y., Zhao H., Liu Y., Lu X., Cheng P., Hou X.Eremenko E.A., Fuzeina Y.N., Vlasov M.V., Matlakhova E.Y., Kharchenko S.V., Derkach A.A., Burkova A.A., Tikhonova T.I., Poletaeva Y.A., Kuzmenkova N.V., Zhiba R.Y., Zhao H., Liu Y., Lu X., Cheng P., Hou X.Данная работа распространяется под лицензией Creative Commons Attribution 4.0.This work is licensed under a Creative Commons Attribution 4.0 License.https://ges.rgo.ru/jour/article/view/5050

This paper presents the results of geomorphological research conducted in the Mussera Upland (Western Abkhazia) in 2024. Based on morphometric analysis and geomorphological survey within the typical river basin (Ryapsh River basin), the topographical features of the upland were described in detail, and radiocarbon dating of alluvial deposits was performed. We found that the Mussera Upland is a typical humid badland with a dissection density of 3–4 km/km2. The formation of a low-order fluvial network begins here within a catchment area of approximately 0.01 km2. Within the dendritic catchment of the Ryapsh River, erosional slopes of varying steepness cover 94% of the total area, with only about 6% occupied by alluvial terraces in the valley floor (up to 1.5 m and up to 3.0 m above the riverbed). Both of these terraces were formed during the Holocene within the last thousand years: the low alluvial level formed no earlier than 570–670 cal yr BP, and the upper alluvial level in the Ryapsh River valley was formed about 810–960 cal yr BP. The development of the Mussera badland is occurring with the leading role of erosional and slope processes (primarily landslides) under conditions of ongoing tectonic uplift. The forest cover of the area does not prevent slope denudation, but, instead, it often triggers it. The development of the badland is characterized by two opposing trends: over time, the ridges are lowered due to slope denudation; however the depth of dissection does not decrease due to ongoing tectonic uplift and active stream downcutting. In recent decades climate change has increased the frequency of extreme rainfall events, resulting in a noticeable rise in denudation rates. 

badlandstectonic upliftriver downcuttingCaucasus foothillsdissected uplanddenudationHoloceneThe research was carried out within the framework of the state assignment «Conditions and mechanisms of natural and anthropogenic topography transformation in the Mesozoic-Cenozoic» of the Department of Geomorphology and Paleogeography (Lomonosov Moscow State University, Faculty of Geography) and scientific theme of the Department of Water Resources and Coastal Dynamics «Investigation of natural hazards in Abkhazia» (Institute of Ecology, Academy of Sciences of Abkhazia). The financial support from the Chinese Academy of Sciences (132B61ZYLH20230013), the Shanxi Province basic research program in National Science Shanxi Province (2025SYS-SYSZD-004) and the National Nature Science Foundation of China (No. 22061132004, 12175201) are acknowledged. 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The authors declare that there are no conflicts of interest present.