HYDRODYNAMICS AND WATER EXCHANGE FEATURES OF BLAGOPOLUCHIYA BAY (SOLOVETSKY ISLANDS, WHITE SEA)

JOURNAL: Volume 16, No. 3, 2026, p. 439-451

HEADING: Regional problems

AUTHORS: Lukina, Y.N., Bogdanov, S.R., Zdorovennov, R.E., Tolstikov, A.V., Novikova, I.S., Zdorovennova, G.E.

ORGANIZATIONS: Northern Water Problems Institute of the Karelian Research Centre of the RAS

DOI: 10.25283/2223-4594-2026-3-439-451

UDC: 551.465.4, 551.463.5

The article was received on: 20.01.2026

Keywords: White sea, solar radiation, anthropogenic impact, tidal phenomena, water salinity, Solovetsky Islands, Arctic environment, water exchange period, water temperature, currents

Bibliographic description: Lukina, Y.N., Bogdanov, S.R., Zdorovennov, R.E., Tolstikov, A.V., Novikova, I.S., Zdorovennova, G.E. Hydrodynamics and water exchange features of Blagopoluchiya Bay (Solovetsky Islands, White Sea). Arktika: ekologiya i ekonomika. [Arctic: Ecology and Economy], 2026, vol. 16, no. 3, pp. 439-451. DOI: 10.25283/2223-4594-2026-3-439-451. (In Russian).

Abstract:

Based on an analysis of in-situ measurements of water temperature, salinity, turbidity, solar radiation fluxes in the water column, and currents, the distribution patterns of wastewater and seawater in Blagopoluchiya Bay (Solovetsky Islands, White Sea) were identified. The bay’s water exchange period was estimated at 14 days during the open-water and over 30 days during the freeze-up period. For the enclosed bay, the effective horizontal turbulent diffusion coefficient, K_x, ~0.02 m²/s, was estimated, significantly lower than typical values for shelf seas. Possible mechanisms of water transport within the bay are considered.

Finance info: The study was carried out under the state assignment of the Northern water problems Institute of the Karelian Research Center of the Russian Academy of Sciences “State of the coastal ecosystem of the White Sea within the Solovetsky Archipelago” (FMEN 2024-0016). The authors are grateful to Olga Derusova (NWPI KarRC RAS) for assistance in preparing the figures.

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DOI 10.25283/2223-4594