Peculiarities of currents in the Volga reservoir Cascade
https://doi.org/10.59887/2073-6673.2025.18(1)-8
Abstract
Data on the current structure in most reservoirs of the Volga Cascade were obtained in the last century and correctly describe the current structure only in general terms. The paper presents current structures at different distances from the HPPs in the Gorky, Cheboksary, Kuibyshev, and Volgograd reservoirs. The present work is a brief review of the existing database of current measurements in the water area of the Volga Cascade reservoirs. The data were obtained during field measurements in 2023 and 2024 using an acoustic current profiler. Longitudinal sections of the river part of the Cheboksarsky and Kuibyshev reservoirs, spatial structures of currents in the lake parts of the considered reservoirs are demonstrated. It is shown that the average current velocity in the river part of the reservoir decreases with distance from the HPP dam. The structure of currents in the lake part of the reservoir has high variability depending on the flow regime through the HPP. Local features of currents related to flow regulation at hydrosystems are presented, which include formation of whirlpools, changes in velocity and current directions.
Keywords
Current,
ADCP measurements,
Volga cascade reservoirs,
flow rate at HPP,
river and lake parts of the reservoirs,
Volga
Supporting agencies: This research was supported by the Russian Science Foundation, No. 23-17-00071 (“Volga Biooptical Algorithms”), https://rscf.ru/project/23-17-00071. The influence of uneven water flow through the hydroelectric power station on currents was carried out within the framework of the state task FFUF-2024-0033.
About the Authors
D. V. Dobrokhotova
Lobachevsky State University of Nizhny Novgorod ; A. V. Gaponov-Grekhov Institute of Applied Physics RAS
Russian Federation
Russian Federation
Scopus AuthorID: 57219659995, WoS ResearcherID: AAA-7981-2022
23 Gagarin Avenue, Nizhny Novgorod 603022
46 Ulyanova Str., Nizhny Novgorod 603950
I. A. Kapustin
Lobachevsky State University of Nizhny Novgorod ; A. V. Gaponov-Grekhov Institute of Applied Physics RAS ; Volzhsky State University of Water Transport
Russian Federation
Russian Federation
Scopus AuthorID: 25629629000, WoS ResearcherID: A-3593-2014
23 Gagarin Avenue, Nizhny Novgorod 603022
46 Ulyanova Str., Nizhny Novgorod 603950
5 Nesterova Str., Nizhny Novgorod 603950
A. A. Molkov
Lobachevsky State University of Nizhny Novgorod ; A. V. Gaponov-Grekhov Institute of Applied Physics RAS ; Volzhsky State University of Water Transport
Russian Federation
Russian Federation
Scopus AuthorID: 55377777800, WoS ResearcherID: А-3623-2014
23 Gagarin Avenue, Nizhny Novgorod 603022
46 Ulyanova Str., Nizhny Novgorod 603950
5 Nesterova Str., Nizhny Novgorod 603950
G. V. Leshchev
Lobachevsky State University of Nizhny Novgorod ; A. V. Gaponov-Grekhov Institute of Applied Physics RAS
Russian Federation
Russian Federation
Scopus AuthorID: 57213165519
23 Gagarin Avenue, Nizhny Novgorod 603022
46 Ulyanova Str., Nizhny Novgorod 603950
A. V. Ermoshkin
Lobachevsky State University of Nizhny Novgorod ; A. V. Gaponov-Grekhov Institute of Applied Physics RAS
Russian Federation
Russian Federation
Scopus AuthorID: 54410480500, WоS ResearcherID: D-5271–2015
23 Gagarin Avenue, Nizhny Novgorod 603022
46 Ulyanova Str., Nizhny Novgorod 603950
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Review
For citations:
Dobrokhotova D.V., Kapustin I.A., Molkov A.A., Leshchev G.V., Ermoshkin A.V. Peculiarities of currents in the Volga reservoir Cascade. Fundamental and Applied Hydrophysics. 2025;18(1):92-105. (In Russ.) https://doi.org/10.59887/2073-6673.2025.18(1)-8
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