Exogenous Processes and Soil Cover in the Area of Large Reservoirs

IF 0.6 Q4 ECOLOGY

Arid Ecosystems Pub Date : 2025-02-19 DOI:10.1134/S2079096124700495

Sh. G. Idarmachev, V. I. Cherkashin, A. Sh. Idarmachev

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Abstract

The influence of the Chirkei Reservoir and of its hydrodynamic regime that causes negative exogenous processes associated with the activation of landslides and water spills is considered. For example, one of the landslide massifs located 1 km from the high dam of the hydroelectric power station is capable of causing a wave ten meters or more high, and a breakthrough of the Tishiklinskaya earthen dam 1 km long, which is located in the eastern part of the reservoir, could lead to the flooding of a large area of agricultural lands and settlements. The Chirkei reservoir is geographically located in Dagestan, at the coordinates 42°58′00″ N, 46°53′00″ E. Considering the small percentage of land suitable for agricultural activity in the mountainous part of Dagestan, the preservation and prevention of flooding of fertile lands is an important national economic task. In the Republic of Dagestan, there are seven hydroelectric power stations with dams from 40 to 232 m high. Services on them are limited to monitoring the condition of the dams. However, monitoring of hazardous geological processes in reservoir areas has not been given due attention. The results of geophysical monitoring that allows detecting landslide body deformation under the influence of seasonal changes in the reservoir level are presented.

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大型水库外源过程与土壤覆盖

考虑了Chirkei水库及其水动力制度的影响，该制度导致与滑坡和水溢出激活相关的负外生过程。例如，位于水电站高坝1公里处的一个滑坡地块能够引起10米或更高的波浪，而位于水库东部的1公里长的Tishiklinskaya土坝的突破可能导致大面积农田和定居点被洪水淹没。Chirkei水库地理位置位于达吉斯坦，坐标42°58 ' 00″N, 46°53 ' 00″E.考虑到达吉斯坦山区适合农业活动的土地比例很小，保护和预防肥沃土地的洪水是一项重要的国家经济任务。达吉斯坦共和国有7座水电站，水坝高度从40米到232米不等。他们的服务仅限于监测大坝的状况。然而，对库区危险地质过程的监测却没有得到应有的重视。介绍了水库水位季节性变化影响下滑坡体变形的地球物理监测结果。

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来源期刊

Arid Ecosystems ECOLOGY-

CiteScore

1.50

自引率

25.00%

发文量

期刊介绍： Arid Ecosystems publishes original scientific research articles on desert and semidesert ecosystems and environment:systematic studies of arid territories: climate changes, water supply of territories, soils as ecological factors of ecosystems state and dynamics in different scales (from local to global);systematic studies of arid ecosystems: composition and structure, diversity, ecology; paleohistory; dynamics under anthropogenic and natural factors impact, including climate changes; studying of bioresources and biodiversity, and development of the mapping methods;arid ecosystems protection: development of the theory and methods of degradation prevention and monitoring; desert ecosystems rehabilitation;problems of desertification: theoretical and practical issues of modern aridization processes under anthropogenic impact and global climate changes.