рус eng
«IZVESTIYA IRKUTSKOGO GOSUDARSTVENNOGO UNIVERSITETA». SERIYA «NAUKI O ZEMLE»
«THE BULLETIN OF IRKUTSK STATE UNIVERSITY». SERIES «EARTH SCIENCES»
ISSN 2073-3402 (Print)

List of issues > Series «Earth Sciences». 2022. Vol 42

Thermoprofiling System for Online Monitoring of the Active Layer Based on the Deep-Water Neutrino Telescope Baikal-GVD

Author(s)
I. A. Aslamov, M. M. Makarov, R. Yu. Gnatovsky, I. A. Portianskaya
Abstract
For continuous monitoring of the vertical distribution of temperature in Lake Baikal, as an indirect measure of dynamic processes, a system of distributed temperature sensors was developed in the Laboratory of Hydrology and Hydrophysics of the Limnological Institute of the SB RAS. The system allows to obtain instant vertical temperature profiles with up to 1 Hz frequency and 1 mK resolution. Additionally, each sensor is equipped with a microheater activated by adressed command to implement the thermanemometric mode of operation, to estimate the velocity of water flows. The pilot sample of the thermistor chain contains 11 temperature sensors located along the depth from 20 to 120 meters with a 10 meters step, and covers the active layer of Lake Baikal with the major changes during the year. The developed thermistor chain was integrated into one of the strings of the BaikalGVD neutrino telescope and connected to the specially developed data logger which placed in the telecommunication spherical module. In this article, we give a brief description of the temperature profiling system and preliminary results of tests in the open Baikal during 2022. The obtained measurement results allowed us to consider the temporal variability of the active layer temperature by analyzing its power spectral density. The developed monitoring system allows obtaining qualitatively new hydrophysical data on the state of the active layer of the pelagic part of Lake Baikal in real time.
About the Authors

Aslamov Ilya Aleksandrovich, Candidate of Sciences (Physics and Mathematics), Research Scientist, Limnological Institute SB RAS, 3, Ulan-Batorskaya st., Irkutsk, 664033, Russian Federation, e-mail: ilya_aslamov@bk.ru

Makarov Mikhail Mikhailovich, Candidate of Sciences (Geography), Senior Research Scientist, Limnological Institute SB RAS, 3, Ulan-Batorskaya st., Irkutsk, 664033, Russian Federation, e-mail: mmmsoft@hlserver.lin.irk.ru

Gnatovsky Ruslan Yurievich, Research Scientist, Limnological Institute SB RAS, 3, Ulan-Batorskaya st., Irkutsk, 664033, Russian Federation, e-mail: gnat@hlserver.lin.irk.ru

Portianskaya Inna Aleksandrovna, Senior Lecturer, Irkutsk State University, 1, K. Marx st., Irkutsk, 664003, Russian Federation, e-mail: iportyanskaya@mail.ru

For citation
Aslamov I.A., Makarov M.M., Gnatovsky R.Yu., Portianskaya I.A. Thermoprofiling System for Online Monitoring of the Active Layer Based on the Deep-Water Neutrino Telescope Baikal-GVD. The Bulletin of Irkutsk State University. Series Earth Sciences, 2022, vol. 42, pp. 3-15. https://doi.org/10.26516/2073-3402.2022.42.3 (in Russian)
Keywords
Baikal, hydrophysics, monitoring, thermistor chain, temperature, thermanemometer, Baikal-GVD.
UDC
556.024:556.043:556.08:556.551(571.53)
DOI
https://doi.org/10.26516/2073-3402.2022.42.3
References

Lovtsov S.V., Rastegin A.Je., Portyanskaya I.A. Osobennosti perenosa jenergii po rezul'tatam spektral'nogo analiza temperaturnyh dannyh [Features of energy transfer based on the results of spectral analysis of temperature data]. Izvestiya Irkutskogo Gosudarstvennogo Universiteta. Seriya Nauki o Zemle [The Bulletin of Irkutsk State University. Series Earth Sciences], 2012, vol. 5, pp. 195-204. (in Russian)

Monin A.S., Ozmidov R.V. Okeanskaya turbulentnost [Ocean turbulence]. Leningrad, Gidrometeoizdat Publ., 1981. 320p. (in Russian) Budnev N.M., Lovtsov S.V., Portyanskaya I.A., Rastegin A.E., Rubtsov V.Ju., Shturm M., Shurter M., Wuest A. Rezultaty modelirovanija jevoljucii temperaturnogo rezhima verhnih sloev oz. Bajkal po dannym jeksperimentov 2000-2001gg., 2004-2005gg. [The results of modeling the evolution of the temperature regime of the upper layers of the lake. Baikal according to the data of experiments in 2000-2001, 2004-2005]. Izvestiya Irkutskogo Gosudarstvennogo Universiteta. Seriya Nauki o Zemle [The Bulletin of Irkutsk State University. Series Earth Sciences], 2008, vol. 1, pp. 76-83. (in Russian)

Smirnov S.V., Kucher K.M., Granin N.G., Sturova I.V. Cejshevye kolebanija Bajkala [Seishe oscillations of Baikal]. Izvestija RAN. Fizika atmosfery i okeana[Proceedings of the RAS. Physics of the atmosphere and ocean], 2014, vol. 50, no. 1, pp. 105-116. (in Russian)

Tiberti R., Caroni R., Cannata M., Lami A., Manca D., Strigaro D., Rogora M. Automated high frequency monitoring of Lake Maggiore through in situ sensors: system design, field test and data quality control. Journal of Limnology, 2021, vol. 80. https://doi.org/10.4081/jlimnol.2021.2011

Marcé R. et al. Automatic high frequency monitoring for improved lake and reservoir management. Environmental Science and Technology, 2016, vol. 50, pp. 10780-10794.

Aynutdinov V. et al. Baikal neutrino telescope – an underwater laboratory for astroparticle physics and environmental studies. Nuclear Instruments and Methods, 2009, vol. 598, pp. 282-288. https://doi.org/10.1016/j.nima.2008.08.124

Bronmark C., Hansson L. A. The Biology of Lakes and Ponds. Oxford University Press, 2005, 285 p.

Istvanovics V., Honti M., Osztoics A., Shafik H. M., Padisak J., Yacobi Y., Eckert W. Continuous monitoring of phytoplankton dynamics in Lake Balaton (Hungary) using on-line delayed fluorescence excitation spectroscopy. Freshw. Biol., 2005, vol. 50, pp. 1950–1970.

Del Sontro T., Beaulieu J.J., Downing J.A. Greenhouse gas emissions from lakes and impoundments: Upscaling in the face of global change. Limnol. Oceanogr.: Letters., 2018, vol. 3, no. 3, pp. 64-75. https://doi.org/10.1002/lol2.10073

Dubelaar G.B.J., Geerders P.J.F., Jonker R.R. High frequency monitoring reveals phytoplankton dynamics. J. Environ. Monit., 2004, vol. 6, pp. 946-952.

Makarov M., Aslamov I., Gnatovsky R. Environmental Monitoring of the Littoral Zone of Lake Baikal Using a Network of Automatic Hydro-Meteorological Stations: Development and Trial Run. Sensors, 2021, vol. 21, pp. 7659. https://doi.org/10.3390/s21227659

Grechushnikova M.G. et al. Methane Emission from the Surface of the Mozhaisk Valley-Type Reservoir. Geogr. Nat. Resour., 2019, vol. 40, pp. 247-255. https://doi.org/10.1134/S1875372819030077

Thorpe S.A. The Turbulent Ocean // Cambridge University Press, 2005, 439 p.

Troitskaya E., Budnev N., Shimaraev M. Changes in the Heat Content of Water Column in the Slope Area of the Southern Basin of Lake Baikal in the 21st Century. Water, 2022, vol. 14, pp. 348. https://doi.org/10.3390/w14030348


Full text (russian)
Загружается...