Contribution of mesoscale eddies to energy of the Lofoten Basin

Vladimir S. Travkin; Vladimir Zhmur; Tatyana Belonenko

doi:10.2205/2022ES000802

CONTRIBUTION OF MESOSCALE EDDIES TO ENERGY OF THE LOFOTEN BASIN Contribution of mesoscale eddies to energy of the Lofoten Basin

АА Аа

Published in Russian Journal of Earth Sciences · Volume 22, Issue 4 · Pages 1–10 · Rubric: ORIGINAL ARTICLES

DOI: https://doi.org/10.2205/2022ES000802

Received: 08.04.2022 Accepted: 29.06.2022 Published: 26.09.2022 Language of publication: ru-RU

Authors

Vladimir S. Travkin

ORCID

Vladimir Zhmur

Tatyana Belonenko

ORCID Scopus ResearcherID

Vladimir S. Travkin

St. Petersburg State University inzhener-issledovatel' · St. Petersburg

Peter the Great St. Petersburg Polytechnic University Russian Federation

Marine Hydrophysical Institute of RAS Russian Federation

ORCID

Vladimir Zhmur

Shirshov Institute of Oceanology RAS Russian Federation · Moscow

Tatyana Belonenko

St. Petersburg State University St. Petersburg

ORCID Scopus ResearcherID

ABSTRACT

A comparative assessment of the contribution of eddies and other dynamic structures to the energy of the Lofoten Basin is carried out. The basis of the study is the data of global ocean reanalysis GLORYS12V1 for 1993–2019. We estimate the total kinetic and potential energy as well as the corresponding contribution of eddy energy for a region bounded by an isobath of 3000 m. We use the method of automatic identification of vortices for the analysis which allows us to calculate the eddy kinetic and potential energy in the automatically selected areas of the eddies. We establish that the potential energy of both cyclones and anticyclones is on average 2–3 times higher than the kinetic energy values, and the energy values of kinetic and potential for anticyclones dominate relative to the energy of cyclones. We also consider the interannual variability and seasonal course of eddy kinetic and potential energy. The seasonal course revealed an increase in both types of energy in the winter months. It is established that the contribution of eddies to the total energy of the basin is small. The contribution of eddy kinetic energy to the total energy of the basin is 7.3%, and the contribution of eddy potential energy is 8.4%. This means that the main contribution to the energy of the basin is made not by mesoscale eddies, but by other dynamic structures i.e. filaments and background flow.

KEYWORDS

Lofoten Basin, mesoscale vortices, kinetic and potential energy, filaments, identification method, GLORYS12V1

Funding

The work was carried out with funding sponsored by the Russian Science Foundation, project No. 22-27-00004. V. V. Zhmur was supported by state funds state budget according to the state task No. 0128-2021-0002.

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GOST

Travkin V. S., Zhmur V. V., Belonenko T. V. Contribution of mesoscale eddies to energy of the Lofoten Basin // Russian Journal of Earth Sciences. 2022. no. 4. pp. 1-10. DOI: https://doi.org/10.2205/2022ES000802. (Date of access 11.11.2026).

MLA

Vladimir S. Travkin, Zhmur V. V., Belonenko T. V.. "Contribution of mesoscale eddies to energy of the Lofoten Basin." Russian Journal of Earth Sciences 22.4 (2022): 1-10. DOI: https://doi.org/10.2205/2022ES000802.

APA

Travkin V. S., Zhmur V. V., Belonenko T. V. (2022). Contribution of mesoscale eddies to energy of the Lofoten Basin. Russian Journal of Earth Sciences, 22(4), 1-10. https://doi.org/10.2205/2022ES000802

Chicago

Vladimir S. Travkin, Zhmur V. V., Belonenko T. V.. "Contribution of mesoscale eddies to energy of the Lofoten Basin." Russian Journal of Earth Sciences 22, no. 4 (2022): 1-10. https://doi.org/10.2205/2022ES000802.

WIKI

{{cite journal | author = Travkin V. S., Zhmur V. V., Belonenko T. V. | title = Contribution of mesoscale eddies to energy of the Lofoten Basin | journal = Russian Journal of Earth Sciences | year = 2022 | volume = 22 | issue = 4 | pages = 1-10 | doi = 10.2205/2022ES000802 }}

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CONTRIBUTION OF MESOSCALE EDDIES TO ENERGY OF THE LOFOTEN BASIN Contribution of mesoscale eddies to energy of the Lofoten Basin

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