Ecological Safety of Coastal and Shelf Zones of Sea Ecological Safety of Coastal and Shelf Zones of Sea 2413-5577 20230303 Research Article Prospects for Radar Monitoring of Wind Speed, Wind Wave Spectra and Velocity of Currents from an Oceanographic Platform Yurovsky Yu. Yu.
Russian Federation
yyyurovsky@gmail.com Malinovsky V. V.
Russian Federation
vladimir.malinovsky@mhi-ras.ru Korinenko A. E.
Russian Federation
korinenko.alex@mhi-ras.ru Glukhov L. A.
Russian Federation
Dulov V. A.
Russian Federation
dulov@mhi-ras.ru Marine Hydrophysical Institute of RAS Sevastopol Russian Federation 25 09 2023 2023 3 40 54 15 05 2023 28 06 2023 08 06 2023 Copyright © 2023, Yu. Yu. Yurovsky, V. V. Malinovsky, A. E. Korinenko, L. A. Glukhov, V. A. Dulov 2023 Yu. Yu. Yurovsky, V. V. Malinovsky, A. E. Korinenko, L. A. Glukhov, V. A. Dulov https://creativecommons.org/licenses/by-nc/4.0/ https://ecological-safety.ru/en/repository/issues/2023/03/03/

The article aims to present the prospects of radar monitoring of the marine environment from an oceanographic platform located near the village of Katsiveli on the South coast of Crimea at the Black Sea hydrophysical sub-satellite test site of the Marine Hydrophysical Institute of the Russian Academy of Sciences. Operation of the radar station from the platform in Katsiveli would allow continuous round-view mode recording of the wind speed fields, wind wave spectra, and a current velocity vector in the water area of a 1 km radius with a resolution of up to 100 meters. The paper describes approaches and problems in estimating wind speed fields, wind wave spectra, and current velocity vectors using a navigation radar. It is shown that the already known methods developed in satellite and ship radar are suitable for the reconstruction of the mentioned fields from the radar signal if we use the results of wind wave-breaking studies carried out from the Katsiveli platform. The approaches were tested in autumn 2022 from the Katsiveli platform using radar stations MRS-1011 (X-band, electromagnetic wavelength 3 cm) and MRS-3000 (Ka-band, electromagnetic wavelength 8 mm). Both stations have power and Doppler channels, horizontal polarizations of emission and reception, and perform all-around scanning of the water area at grazing angles to the sea surface not exceeding 10°. The specialized experiment included the radar operation simultaneously with the standard equipment of the platform, and data processing was based on the described recovery algorithms. As a result of the experiment, it is shown that the recovered frequency spectra of wind waves agree with the spectra measured with a conventional string wave recorder, the recovered spatial fields of wind and currents meet the traditional concepts, and the field of currents agrees qualitatively with the Doppler channel data. The data obtained with radar stations demonstrate the possibility of recovery of wind speed fields, vectors of the velocity of currents, and wave frequency spectra in a water area with a radius of about 1 km with a spatial resolution of tens of meters. Radar monitoring from the Katsiveli platform provides a technical base for studies of air-sea interactions and wave-current interactions and for the development and validation of satellite technologies and regional models of the marine environment.

 radar sea surface normalized radar cross-section Doppler spectrum scatterometry wave spectra current velocity in situ measurements monitoring oceanographic platform The work was performed under state assignment of MHI RAS on topics no. FNNN-2021-0005 and no. FNNN-2021-0004.

About the authors:

Yury Yu. Yurovsky, Senior Research Associate, Marine Hydrophysical Institute of RAS (2 Kapitanskaya St., Sevastopol, 299011, Russian Federation), Ph.D. (Phys.-Math.), Scopus Author ID: 24377122700, ORCID: 0000-0002-9995-3965, SPIN-code: 8482-5777, yyyurovsky@gmail.com

Vladimir V. Malinovsky, Senior Research Associate, Marine Hydrophysical Institute of RAS (2 Kapitanskaya St., Sevastopol, 299011, Russian Federation), Ph.D. (Phys.-Math.), ORCID: 0000-0002-5799-454X, ResearcherID: F-8709-2014, SPIN-code: 9206-3020, Scopus Author ID: 23012976200, vladimir.malinovsky@mhi-ras.ru

Aleksandr E. Korinenko, Research Associate, Marine Hydrophysical Institute of RAS (2 Kapitanskaya St., Sevastopol, 299011, Russian Federation), Ph.D. (Phys.-Math.), Scopus Author ID: 23492523000, ORCID: 0000-0001-7452-8703, SPIN-code: 7288-8023, korinenko.alex@mhi-ras.ru

Lev A. Glukhov, Junior Research Associate, Marine Hydrophysical Institute of RAS (2 Kapitanskaya St., Sevastopol, 299011, Russian Federation)

Vladimir A. Dulov, Chief Research Associate, Marine Hydrophysical Institute of RAS (2 Kapitanskaya St., Sevastopol, 299011, Russian Federation), Dr.Sci. (Phys.-Math.), ORCID: 0000-0002-0038-7255, ResearcherID: F-8868-2014, SPIN-code: 8303-6244, Scopus Author ID: 6602725409, dulov@mhi-ras.ru

Contribution of the authors:

Yury Yu. Yurovsky – development of methods and conduction of experimental studies, processing, analysis, and description of the study results, preparation of the manuscript

Vladimir V. Malinovsky – problem statement, participation in discussion of the article materials, preparation of the manuscript

Aleksandr E. Korinenko – development of methods and conduction of experimental studies, processing, analysis, and description of the study results, participation in discussion of the article materials

Lev A. Glukhov – review of literature on the study problem, qualitative analysis of the results and their interpretation, discussion of the work results

Vladimir A. Dulov – general scientific supervision of the study, problem statement, analysis and description of the study results, preparation of the manuscript

All the authors have read and approved the final manuscript.

Article text not included.

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