Investigation of vortex structures in Lake Baikal using NOAA-AVHRR data

Ekaterina N. Sutyrina

doi:10.1117/12.2540863

18 December 2019 Investigation of vortex structures in Lake Baikal using NOAA-AVHRR data

Ekaterina N. Sutyrina

Proceedings Volume 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1120856 (2019) https://doi.org/10.1117/12.2540863
Event: XXV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2019, Novosibirsk, Russian Federation

Abstract

The paper presents the results of a study of mesoscale vortex structures in Lake Baikal according to remote sensing data include a set of AVHRR-derived water surface temperature images for the ice-free period from 1998 to 2017. It is shown that mesoscale vortices are common in Lake Baikal and observed from the beginning of July to the middle or even the end of November. The horizontal dimensions, duration of existence, and horizontal temperature gradient at the boundary of these structures were determined using to satellite-based data.

Because of research, a schematic map of the localization of anticyclonic and cyclonic vortex formations in the lake during the cooling period was compiled. The intra-annual and inter-annual variability of the characteristics of the anticyclonic vortex formation on the border of the North and Central Basins of the lake near the Svyatoy Nos Peninsula during the ice-free period has been studied.

Citation Download Citation

Ekaterina N. Sutyrina "Investigation of vortex structures in Lake Baikal using NOAA-AVHRR data", Proc. SPIE 11208, 25th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1120856 (18 December 2019); https://doi.org/10.1117/12.2540863

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KEYWORDS

Infrared radiation

Satellites

Infrared imaging

Remote sensing

Infrared sensors

Infrared signatures

Satellite imaging

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