Characterization of 2017 coccolithophore bloom in the Black Sea using optical and biological data

E. N. Korchemkina; E. V. Mankovskaya; R. I. Lee

doi:10.1117/12.2574976

12 November 2020 Characterization of 2017 coccolithophore bloom in the Black Sea using optical and biological data

E. N. Korchemkina, E. V. Mankovskaya, R. I. Lee

Proceedings Volume 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics; 115603K (2020) https://doi.org/10.1117/12.2574976
Event: 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 2020, Moscow, Russian Federation

Abstract

The paper shows the results of optical measurements carried out during the coccolithophore bloom and the primary bio-optical characteristics obtained. Blooming coccolithophores produce a significant amount of mineral suspension, increasing light scattering and reducing the transparency of water. An increase in the backward scattering leads to an increase in the upwelling radiance and the reflectance coefficient of the sea water. On the base of field and satellite data, the characteristics of coccolithophore bloom in June 2017 in the Black Sea are calculated. A weak relationship between the biological and optical characteristics of the bloom is observed. It is shown that in 2017 the optical properties at the test site were determined not only by coccolithophore suspension, but also by a suspension of terrigenous origin. Suspension concentrations and optical parameters during the bloom are estimated.

Citation Download Citation

E. N. Korchemkina, E. V. Mankovskaya, and R. I. Lee "Characterization of 2017 coccolithophore bloom in the Black Sea using optical and biological data", Proc. SPIE 11560, 26th International Symposium on Atmospheric and Ocean Optics, Atmospheric Physics, 115603K (12 November 2020); https://doi.org/10.1117/12.2574976

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