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Circulation of Waters in the Northwestern Part of the Bering Sea According to Satellite Data

  • USE OF SPACE INFORMATION ABOUT THE EARTH STUDYING SEAS AND OCEANS FROM SPACE
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Abstract

A study of water circulation in the northwestern part of the Bering Sea using AVISO satellite data on velocities of geostrophic currents from 2002 to 2017 showed a significantly variable dynamics of the surface waters. In January, the main current of the surface waters is directed toward the southwest along the continental slope in contrast to anticyclone water circulation in shelf. In July, the surface water current is oriented to the northeast along the continental slope, whereas cyclonic water circulation is dominant at shelf. The formation of winter mesoscale anticyclones is caused by a gain of low-temperature and low-saline shelf waters. The temporal variability of direction and velocity of summer currents is related to coastal upwelling, which is caused by the southern winds over the western part of the Bering Sea. The presence of upwelling and eddies should be considered one of the factors leading to the formation of an area with high chlorophyll concentration close to the coast during summer.

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Funding

The results of this study were obtained as part of the state budget theme POI FEBRAS, no. 0271-2019-0004. Also this work was supported by the Russian Science Foundation, project no. 19–17-00006.

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  1. Il’ichev Pacific Oceanological Institute, 690041, Vladivostok, Russia

    A. G. Andreev

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  1. A. G. Andreev
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Correspondence to A. G. Andreev.

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Translated by I. Melekestseva

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Andreev, A.G. Circulation of Waters in the Northwestern Part of the Bering Sea According to Satellite Data. Izv. Atmos. Ocean. Phys. 56, 963–969 (2020). https://doi.org/10.1134/S0001433820090029

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  • DOI: https://doi.org/10.1134/S0001433820090029

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