Express-analysis of quasi-periodic oxidation-reduction potential pulses in Baikal Coastal Groundwater during real-time monitoring (February 07–14, 2024)

Authors

S.V. Snopkov^1,2,, S.V. Rasskazov^1,3, I.A. Aslamov⁴, V.I. Archipenko⁴, A.M. Ilyasova³ E.P. Chebykin^3,4

¹Irkutsk State University, Irkutsk, Russia

²Irkutsk National Research Technical University, Siberian School of Geosciences, Irkutsk, Russia

³Institute of the Earth's Crust SB RAS, Irkutsk, Russia

⁴Limnological Institute, SB RAS, Irkutsk, Russia

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Snopkov Sergey Viktorovich,

Candidate of Geological and Mineralogical Sciences, assistant professor,

664025 Irkutsk, Lenin st., 3,

Irkutsk State University, Faculty of Geology,

assistant professor,

664074, Irkutsk, st. Kurchatova, 3,

Irkutsk National Research Technical University, Siberian School of Geosciences,

Leading Researcher,

email: snopkov_serg@mail.ru.

Rasskazov Sergei Vasilievich,

doctor of geological and mineralogical sciences, professor,

664025 Irkutsk, Lenin st., 3,

Irkutsk State University, Faculty of Geology,

Head of Dynamic Geology Char,

664033 Irkutsk, Lermontov st., 128,

Institute of the Earth's Crust SB RAS,

Head of Laboratory for Isotopic and Geochronological Studies,

tel.: (3952) 51–16–59,

email: rassk@crust.irk.ru.

Aslamov Ilya Aleksandrovich,

Candidate of physical and mathematical sciences,

664033 Irkutsk, st. Ulan-Batorskaya, 3,

Limnological Institute SB RAS,

Senior Researcher,

email: ilya_aslamov@bk.ru.

Arkhipenko Vladislav Ivanovich,

664033 Irkutsk, st. Ulan-Batorskaya, 3,

Limnological Institute SB RAS,

main electronics engineer,

email: vladarxip@gmail.com.

Ilyasova Aigul Maratovna,

candidate of geological and mineralogical sciences,

664033 Irkutsk, Lermontov st., 128,

Institute of the Earth's Crust SB RAS,

leading engineer,

email: ila@crust.irk.ru.

Chebykin Evgeny Pavlovich,

Candidate of Chemical Sciences,

664033 Irkutsk, st. Lermontova, 128,

Institute of the Earth's Crust SB RAS,

664033 Irkutsk, st. Ulan-Batorskaya, 3,

Limnological Institute SB RAS,

Senior Researcher,

email: epcheb@yandex.ru.

Abstract. Real-time groundwater monitoring on a shore of Lake Baikal reveals peculiar effects in the form of quasi-periodic negative ORP pulses with varying time intervals and a decrease in ORP relative to the background during the week of February 2024. We perform an express analysis of the observed effects and pay attention to their occurrence during increasing air temperature. At the beginning of the observation interval, we determine the regime of initial ORP pulses, which occur in conditions of a slightly increasing air temperature, then the middle one in a conventionally-optimal regime in conditions of significant warming, and the final regime of retrograde evolution in cooling conditions. The revealed regularities in changes of pauses between pulses and amplitudes of ORP reductions relative to the background form the basis for the analysis of ongoing effects.

Keywords: groundwater, monitoring, oxidation-redox potential, pH, temperature, Baikal.

P. 61–76

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For citation

Snopkov S.V. Express-analysis of quasi-periodic oxidation-reduction potential pulses in Baikal Coastal Groundwater during real-time monitoring (February 07–14, 2024) / S.V. Snopkov, S.V. Rasskazov, I.A. Aslamov, V.I. Archipenko, A.M. Ilyasova, E.P. Chebykin DOI 10.26516/2541-9641.2024.1.61 // Geology and Environment : electronic scientific journal. 2024. V. 4, No. 1. P. 61–76.

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