Annual variability in light absorption by particles and colored dissolved organic matter in the Crimean coastal waters (the Black Sea)

T. Churilova; N. Moiseeva; T. Efimova; V. Suslin; O. Krivenko; E. Zemlianskaia

doi:10.1117/12.2288339

30 November 2017 Annual variability in light absorption by particles and colored dissolved organic matter in the Crimean coastal waters (the Black Sea)

T. Churilova, N. Moiseeva, T. Efimova, V. Suslin, O. Krivenko, E. Zemlianskaia

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Proceedings Volume 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 104664B (2017) https://doi.org/10.1117/12.2288339
Event: XXIII International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2017, Irkutsk, Russian Federation

Abstract

Bio-optical studies were carried out in coastal waters around the Crimea peninsula in different seasons 2016. It was shown that variability of chlorophyll a concentration (Chl-a), light absorption by suspended particles (a_p(λ)), phytoplankton pigments (a_ph(λ)), non-algal particles (a_NAP(λ)) and by colored dissolved organic matter (a_CDOM(λ)) in the Crimea coastal water was high (~order of magnitudes) in all seasons 2016. Relationships between a_p(440), a_ph(440) and Chl-a were obtained and their seasonal differences were analyzed. Spectral distribution of a_NAP(λ) and a_CDOM(λ) were parameterized. Seasonality in a_CDOM(λ) parameterization was revealed, but - in a_NAP(λ) parameterization was not revealed. The budget of light absorption by a_ph(λ), a_NAP(λ) и a_CDOM(λ) at 440 nm was assessed and its seasonal dynamics was analyzed.

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T. Churilova, N. Moiseeva, T. Efimova, V. Suslin, O. Krivenko, and E. Zemlianskaia "Annual variability in light absorption by particles and colored dissolved organic matter in the Crimean coastal waters (the Black Sea) ", Proc. SPIE 10466, 23rd International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 104664B (30 November 2017); https://doi.org/10.1117/12.2288339

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