Reflectance model for satellite monitoring of bio-optical characteristics of Gorky reservoir waters

A. A. Molkov; E. N. Korchemkina; D. V. Kalinskaya; I. A. Kapustin

doi:10.1117/12.2504595

13 December 2018 Reflectance model for satellite monitoring of bio-optical characteristics of Gorky reservoir waters

A. A. Molkov , E. N. Korchemkina, D. V. Kalinskaya, I. A. Kapustin

Proceedings Volume 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics; 1083360 (2018) https://doi.org/10.1117/12.2504595
Event: XXIV International Symposium, Atmospheric and Ocean Optics, Atmospheric Physics, 2018, Tomsk, Russian Federation

Abstract

The first results in development of method for satellite monitoring of the bio-optical water properties of Gorky reservoir as an example of an inland freshwater eutrophic water body are presented. The method is based on the semi-analytical algorithm for the Black Sea and uses the data on the reflectance coefficient of the water column, allowing to calculate the concentrations of optically significant substances (phytoplankton pigments, dissolved organic matter and mineral suspended matter). Field measurements of spectral reflectance were carried out in years 2016 – 2017. Spatial variability of reflectance and factors affecting it were analyzed. Reflectance model used in Black Sea algorithm was adapted to biooptical features of the studied water body. Model calculations of pigment concentration were compared with chlorophyll a content data obtained from water samples analyses. The pigment absorption spectra were calculated, showing the spectral features characteristic of photosynthetic pigments. The ways of further research for algorithm development are determined.

Citation Download Citation

A. A. Molkov , E. N. Korchemkina, D. V. Kalinskaya, and I. A. Kapustin "Reflectance model for satellite monitoring of bio-optical characteristics of Gorky reservoir waters", Proc. SPIE 10833, 24th International Symposium on Atmospheric and Ocean Optics: Atmospheric Physics, 1083360 (13 December 2018); https://doi.org/10.1117/12.2504595

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KEYWORDS

Reflectivity

Absorption

Water

Data modeling

Backscatter

Inverse optics

Ocean optics

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