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Submesoscale Eddies in the White Sea Based on Satellite Radar Measurements

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

This paper presents the results of the analysis of the archive of radar images of Envisat Advanced Synthetic Aperture Radar (ASAR) and Radarsat-1,2 for the warm period of 2009–2012. For the first time surface manifestations of submesoscale eddies are mapped in the White Sea.The areas of persistent eddy activity as well as eddy characteristics are determined using the statistical analysis. According to in situ observations some of the observed small eddies are generated due to a strong tidal flow around the underwater hills. A significant part of the observed eddies have been detected in the straits and near hydrological fronts, which indicates their important contribution to the processes of water exchange and mixing.

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Funding

This work was supported by the Russian Foundation for Basic Research, project no. 15-05-04639a, Russian Science Foundation, project no. 14-50-00095 (The World Ocean in the XXI Century: Climate, Ecosystems, Resources, Natural Disasters), and the Government of the Russian Federation, project no. 11.G34.31.0078.

The Envisat ASAR data were obtained as part of the ESACat-1 project, project no. C1F-4483. Radarsat-1 data were obtained via the MSU Geoportal (http://www.geogr. msu.ru:8082) with the assistance of the SCANEX Engineering and Technological Center. The Radarsat-2 data were obtained from the French Research Institute for Exploitation of the Sea (IFREMER) within the VIGISAT projects, project no. 32635, and cooperation agreement with the CLS company, project nos. 08 GET 13M and 09 GET 11.

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Authors and Affiliations

  1. Shirshov Institute of Oceanology of Russian Academy of Sciences, Moscow, Russia

    A. V. Zimin, O. A. Atazhanova & D. A. Romanenkov

  2. Marine Research Institute, Klaipeda University, Klaipeda, Lithuania

    I. E. Kozlov

  3. Russian State Hydrometeorological University, St. Petersburg, Russia

    I. E. Kozlov & B. Chapron

  4. Institut Français de Recherche pour l’Exploitation de la Mer, Brest, France

    B. Chapron

Authors
  1. A. V. Zimin
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  2. O. A. Atazhanova
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  3. D. A. Romanenkov
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  4. I. E. Kozlov
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  5. B. Chapron
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Correspondence to A. V. Zimin.

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Translated by O. Pismenov

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Zimin, A.V., Atazhanova, O.A., Romanenkov, D.A. et al. Submesoscale Eddies in the White Sea Based on Satellite Radar Measurements. Izv. Atmos. Ocean. Phys. 57, 1705–1711 (2021). https://doi.org/10.1134/S0001433821120306

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  • DOI: https://doi.org/10.1134/S0001433821120306

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