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Formation of the Hydroecological Structure of the Ivankov Reservoir in the Summer in Adjacent Years under Different Weather Conditionsстатья
- Авторы: Grechushnikovaa M.G., Grigoryeva I.L., Lomova D.V., Kremenetskaya E.R., Komissarov B., Fedorova L.P., Lomov V.A., Chekmareva E.A.
- Журнал: Izvestiya - Atmospheric and Oceanic Physics
- Том: 60
- Номер: 3
- Год издания: 2024
- Издательство: Pleiades Publishing, Ltd
- Местоположение издательства: Road Town, United Kingdom
- Первая страница: 320
- Последняя страница: 333
- DOI: 10.1134/S0001433824700270
- Аннотация: This article examines the conditions for the formation of the hydroecological regime of the Ivankov Reservoir according to data from complex hydrological, hydrochemical, and hydrobiological surveys carried out in August 2020−2022. The differences in hydroecological characteristics are associated with the peculiarities of weather conditions in the summer seasons. Despite the significant flow of the reservoir, in its bottomlayer during prolonged hot weather, the formation of oxygen-free conditions is possible, affecting exchange processes with the bottom, hydrobionts, and methane emissions. The increased bioturbation of bottom sediments (BSs) by benthos under oxygen deficiency activates metabolic processes at the water–BSs boundary, including the release of methane. A strong “bloom” of the reservoir, characteristic of hot weather conditionsin 2022, led to a reduction in the specific flux of methane from the surface due to its oxidation with an excess of oxygen in the surface layer.
- Добавил в систему: Гречушникова Мария Георгиевна