Interannual variability of the wind field on the Black Sea north western shelf and its impact on river plume formation for decade 2011-2020

M. V. Tsyganova; E. M. Lemeshko

doi:10.1117/12.2603268

15 December 2021 Interannual variability of the wind field on the Black Sea north western shelf and its impact on river plume formation for decade 2011-2020

M. V. Tsyganova, E. M. Lemeshko

Author Affiliations +

Proceedings Volume 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 119163G (2021) https://doi.org/10.1117/12.2603268
Event: 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2021, Moscow, Russian Federation

Abstract

The maximum rivers inflow into the northwestern part of the Black Sea is on May-June. The plume occupies the largest area during this period. The alongshore current of desalinated waters, directed to the south, is formed, its transport increases. The mixing of water and its transport affect the spatiotemporal distribution of chlorophyll-"a" concentrations and, in general, the ecological state of the shelf waters. The six typical wind field distributions are obtained as a result of synoptic situations analysis by self-organizing Kohonen map method. It’s can be grouped by the predominance of the northward and southward winds. Estimates of the frequency of occurrence of synoptic situations for a decade have been obtained and their interannual variability has been analyzed in comparison with climatic indices characterizing large-scale atmospheric circulation.

Citation Download Citation

M. V. Tsyganova and E. M. Lemeshko "Interannual variability of the wind field on the Black Sea north western shelf and its impact on river plume formation for decade 2011-2020", Proc. SPIE 11916, 27th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 119163G (15 December 2021); https://doi.org/10.1117/12.2603268

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