Internal Waves in the Region of the Akselsundet Strait of Western Spitsbergen Island

E. G. Morozov; Морозов Е. Г.; S. V. Pisarev; Писарев С. В.

doi:10.31857/S0002351523040120

Internal Waves in the Region of the Akselsundet Strait of Western Spitsbergen Island

Authors: Morozov E.G.¹^,2^,3, Pisarev S.V.¹
Affiliations:
1. Shirshov Institute of Oceanology, Russian Academy of Sciences
2. Moscow Institute of Physics and Technology,
3. Marine Hydrophysical Institute, RAS
Issue: Vol 59, No 4 (2023)
Pages: 497-508
Section: Articles
URL: https://journals.rcsi.science/0002-3515/article/view/136937
DOI: https://doi.org/10.31857/S0002351523040120
EDN: https://elibrary.ru/YOULEH
ID: 136937

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Abstract
About the authors
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Abstract

Moored measurements of temperature, salinity, and currents at three moorings that operated for a year in the area of strong tidal currents in the area of the Akselsundet Strait at the mouth of the Van Mayen fiord on Western Svalbard Island are analyzed. Tidal currents flowing around an underwater sill in the strait generate intense tidal internal waves. Forced internal waves exist above the underwater slope. Vertical displacements of water particles reach 20 m. Waves rapidly decay as they propagate away from the strait and slope. They are no longer recorded as far as 12 km from the strait. Tidal currents in the strait reach a speed of 3 m/s and form an intense jet when flowing out of the strait. A strong jet of currents during spring tides presses the instruments on moorings to the bottom.

Keywords

Tidal internal waves, supercritical latitudes, Spitsbergen, tidal currents, forced oscillations, Akseløya Island

About the authors

E. G. Morozov

Shirshov Institute of Oceanology, Russian Academy of Sciences; Moscow Institute of Physics and Technology, ; Marine Hydrophysical Institute, RAS

Author for correspondence.
Email: egmorozov@mail.ru
Russia, 119997, Moscow, Nakhimovsky prosp., 36; Russia, 141707, Moscow region, Dolgoprudny, Institutskiy per., 9; Russia, 2299011, Sevastopol, Kapitanskaya st., 2

S. V. Pisarev

Shirshov Institute of Oceanology, Russian Academy of Sciences

Email: egmorozov@mail.ru
Russia, 119997, Moscow, Nakhimovsky prosp., 36

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