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Home » Archive of journals » Volume 16, No. 2, 2026 » Formation of the chemical and isotopic composition of surface and groundwater under conditions of permafrost degradation and man-made impact in terms of the Salekhard urban area

FORMATION OF THE CHEMICAL AND ISOTOPIC COMPOSITION OF SURFACE AND GROUNDWATER UNDER CONDITIONS OF PERMAFROST DEGRADATION AND MAN-MADE IMPACT IN TERMS OF THE SALEKHARD URBAN AREA

JOURNAL: Volume 16, No. 2, 2026, p. 274-287

HEADING: Regional problems

AUTHORS: Palamarchuk, V.A., Tokarev, I.V., Bashkova, A.A., Lebedeva, L.S., Сhezhina, E.P.

ORGANIZATIONS: Earth Cryosphere Institute, Tyumen Scientific Centre SB RAS, St Petersburg University, SAI “Scientific Center for the Study of the Arctic”, Melnikov Permafrost Institute of the Siberian Branch of the Russian Academy of Sciences, Saint Petersburg Mining University

DOI: 10.25283/2223-4594-2026-2-274-287

UDC: 556.314; 550.42; 551.34

The article was received on: 05.07.2025

Keywords: microelements, Western Siberia, stable isotopes, surface and underground waters of permafrost zone, macro-components, Salekhard

Bibliographic description: Palamarchuk, V.A., Tokarev, I.V., Bashkova, A.A., Lebedeva, L.S., Сhezhina, E.P. Formation of the chemical and isotopic composition of surface and groundwater under conditions of permafrost degradation and man-made impact in terms of the Salekhard urban area. Arktika: ekologiya i ekonomika. [Arctic: Ecology and Economy], 2026, vol. 16, no. 2, pp. 274-287. DOI: 10.25283/2223-4594-2026-2-274-287. (In Russian).

Abstract:

A study of the chemical and isotopic composition of surface and groundwater in Salekhard using modern and historical data allowed the authors to assess the impact of natural (permafrost degradation) and man-made factors on their quality. Some improvement in river water quality has been noted due to the modernization of the city’s wastewater treatment facilities. However, groundwater in the area is still under significant man-made impact. Thawing of permafrost over the past 50 years has led to the formation of water-bearing taliks in the fourth–terrace sediments and the migration of elements including Mn, Fe, Al, Ni and Pb from the sediments.

Finance info: The study was supported by the State Assignment (no. FWRZ-2026-0016, IKZ TyumSC SB RAS) and R&D (no. 126020516689–6, IMZ SB RAS). Water chemical analyses were conducted by the GAU YANAO NCIA. Isotopic analysis was performed at the Centre for X-ray Diffraction Studies of Saint Petersburg State University within the framework of the project 125021702335-5. The authors are grateful to A. N. Shein and A. P. Ginzburg for their assistance with fieldwork.

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DOI 10.25283/2223-4594