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Retrieving optical characteristics of the Russian Arctic seas water surface layer from shipboard and satellite data

P.G. Karalli^{1, 2} , D.I. Glukhovets^{2, 1}

¹ Moscow Institute of Physics and Technology (National Research University), Dolgoprudny, Russia
² Shirshov Institute of Oceanology RAS, Moscow, Russia

Accepted: 11.11.2019
DOI: 10.21046/2070-7401-2020-17-1-191-202

This work is dedicated to the inherent optical properties of the water surface layer retrieving from the remote-sensing reflectance in the Barents, Kara, Laptev, and East Siberian seas. Colored dissolved organic matter and phytoplankton pigments absorption spectra as well as backscattering coefficient are considered. These characteristics are calculated using the GIOP semi-analytical algorithm. The GIOP results obtained in the Kara, Laptev and East Siberian seas are compared with the results of the Shirshov Institute of Oceanology RAS regional algorithm, which was developed for the estimation of the colored dissolved organic matter absorption in the Kara Sea. Also its results obtained in the Barents Sea are compared with the data of direct determinations, measured with a spectrophotometer with an integrating sphere. The calculated data are compared with the MODIS/Aqua satellite ocean color scanner data. It is shown that the GIOP algorithm is applicable in the conditions of coccolithophore blooms in the Barents Sea. The results suggest that the applied algorithms can be used in the Russian Arctic seas.

Keywords: inherent optical properties, GIOP, satellite ocean color scanners, shipboard measurements, Barents Sea, Kara Sea, Laptev Sea, East Siberian Sea

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